Marlborough, Connecticut
Marlborough, Connecticut UV Index information is provided so you can take the steps to prevent sun damage.
| Clear Sky UV Index Annual Averages | UV INDEX # | EXPOSURE CATEGORY | ||
| YEAR | AVG | US AVG | <2 3-5 6-7 8-10 11+ |
LOW MODERATE HIGH VERY HIGH EXTREME |
| 2012 | 4.3654 | 4.9 | ||
| 2011 | 4.3479 | 4.9 | ||
MonthAverageHighLow
January
1.77
3
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
February
2.39
4
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
March
3.32
5
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
April
5.33
8
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
May
6.03
9
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
MonthAverageHighLow
January
1.35
2
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
1/1/2012
1
LOW
1/2/2012
1
LOW
1/3/2012
1
LOW
1/4/2012
1
LOW
1/5/2012
1
LOW
1/6/2012
1
LOW
1/7/2012
1
LOW
1/8/2012
1
LOW
1/9/2012
1
LOW
1/10/2012
1
LOW
1/11/2012
0
LOW
1/12/2012
1
LOW
1/13/2012
1
LOW
1/14/2012
1
LOW
1/15/2012
2
LOW
1/16/2012
1
LOW
1/17/2012
2
LOW
1/18/2012
2
LOW
1/19/2012
2
LOW
1/20/2012
1
LOW
1/21/2012
2
LOW
1/22/2012
1
LOW
1/23/2012
2
LOW
1/24/2012
2
LOW
1/25/2012
2
LOW
1/26/2012
1
LOW
1/27/2012
2
LOW
1/28/2012
2
LOW
1/29/2012
2
LOW
1/30/2012
2
LOW
1/31/2012
1
LOW
February
2.22
4
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
2/1/2012
1
LOW
2/2/2012
2
LOW
2/3/2012
2
LOW
2/4/2012
2
LOW
2/5/2012
2
LOW
2/6/2012
2
LOW
2/8/2012
2
LOW
2/9/2012
2
LOW
2/10/2012
1
LOW
2/11/2012
2
LOW
2/12/2012
2
LOW
2/13/2012
2
LOW
2/14/2012
3
MODERATE
2/15/2012
2
LOW
2/16/2012
3
MODERATE
2/17/2012
3
MODERATE
2/18/2012
3
MODERATE
2/19/2012
3
MODERATE
2/20/2012
3
MODERATE
2/21/2012
2
LOW
2/22/2012
2
LOW
2/23/2012
1
LOW
2/24/2012
2
LOW
2/26/2012
4
MODERATE
2/27/2012
3
MODERATE
2/28/2012
3
MODERATE
2/29/2012
1
LOW
March
4
6
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
3/1/2012
4
MODERATE
3/2/2012
1
LOW
3/3/2012
3
MODERATE
3/4/2012
5
MODERATE
3/5/2012
4
MODERATE
3/6/2012
4
MODERATE
3/7/2012
3
MODERATE
3/8/2012
4
MODERATE
3/9/2012
3
MODERATE
3/10/2012
4
MODERATE
3/11/2012
5
MODERATE
3/12/2012
3
MODERATE
3/13/2012
4
MODERATE
3/14/2012
4
MODERATE
3/15/2012
2
LOW
3/16/2012
5
MODERATE
3/17/2012
5
MODERATE
3/18/2012
5
MODERATE
3/19/2012
6
HIGH
3/20/2012
6
HIGH
3/21/2012
6
HIGH
3/22/2012
6
HIGH
3/23/2012
3
MODERATE
3/24/2012
2
LOW
3/25/2012
5
MODERATE
3/26/2012
5
MODERATE
3/27/2012
3
MODERATE
3/28/2012
3
MODERATE
3/29/2012
5
MODERATE
3/30/2012
2
LOW
3/31/2012
4
MODERATE
April
5.5
7
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
4/1/2012
5
MODERATE
4/2/2012
6
HIGH
4/3/2012
6
HIGH
4/4/2012
6
HIGH
4/5/2012
5
MODERATE
4/6/2012
5
MODERATE
4/7/2012
5
MODERATE
4/8/2012
4
MODERATE
4/9/2012
5
MODERATE
4/10/2012
5
MODERATE
4/11/2012
5
MODERATE
4/12/2012
5
MODERATE
4/13/2012
6
HIGH
4/14/2012
6
HIGH
4/15/2012
7
HIGH
4/16/2012
7
HIGH
4/17/2012
7
HIGH
4/18/2012
7
HIGH
4/19/2012
7
HIGH
4/20/2012
7
HIGH
4/21/2012
4
MODERATE
4/22/2012
2
LOW
4/23/2012
5
MODERATE
4/24/2012
5
MODERATE
4/25/2012
7
HIGH
4/26/2012
6
HIGH
4/27/2012
6
HIGH
4/28/2012
6
HIGH
4/29/2012
7
HIGH
4/30/2012
1
LOW
May
6.55
10
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
5/1/2012
6
HIGH
5/2/2012
4
MODERATE
5/3/2012
1
LOW
5/4/2012
7
HIGH
5/5/2012
7
HIGH
5/6/2012
8
VERY HIGH
5/7/2012
3
MODERATE
5/8/2012
5
MODERATE
5/9/2012
7
HIGH
5/10/2012
5
MODERATE
5/11/2012
7
HIGH
5/12/2012
7
HIGH
5/13/2012
3
MODERATE
5/14/2012
5
MODERATE
5/15/2012
4
MODERATE
5/16/2012
8
VERY HIGH
5/17/2012
8
VERY HIGH
5/18/2012
8
VERY HIGH
5/19/2012
8
VERY HIGH
5/20/2012
6
HIGH
5/21/2012
8
VERY HIGH
5/22/2012
9
VERY HIGH
5/23/2012
8
VERY HIGH
5/24/2012
3
MODERATE
5/25/2012
9
VERY HIGH
5/26/2012
9
VERY HIGH
5/27/2012
8
VERY HIGH
5/28/2012
9
VERY HIGH
5/29/2012
4
MODERATE
5/30/2012
9
VERY HIGH
5/31/2012
10
VERY HIGH
June
7.5
10
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
6/1/2012
1
LOW
6/2/2012
8
VERY HIGH
6/3/2012
3
MODERATE
6/4/2012
5
MODERATE
6/5/2012
7
HIGH
6/6/2012
8
VERY HIGH
6/7/2012
8
VERY HIGH
6/8/2012
5
MODERATE
6/9/2012
8
VERY HIGH
6/10/2012
9
VERY HIGH
6/11/2012
8
VERY HIGH
6/12/2012
3
MODERATE
6/13/2012
8
VERY HIGH
6/15/2012
9
VERY HIGH
6/16/2012
9
VERY HIGH
6/17/2012
9
VERY HIGH
6/18/2012
8
VERY HIGH
6/19/2012
10
VERY HIGH
6/20/2012
10
VERY HIGH
6/21/2012
9
VERY HIGH
6/22/2012
8
VERY HIGH
6/23/2012
8
VERY HIGH
6/24/2012
7
HIGH
6/25/2012
6
HIGH
6/26/2012
7
HIGH
6/27/2012
9
VERY HIGH
6/28/2012
9
VERY HIGH
6/29/2012
9
VERY HIGH
6/30/2012
9
VERY HIGH
July
7.48
9
4

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
7/1/2012
8
VERY HIGH
7/2/2012
9
VERY HIGH
7/3/2012
9
VERY HIGH
7/4/2012
9
VERY HIGH
7/5/2012
9
VERY HIGH
7/6/2012
8
VERY HIGH
7/7/2012
9
VERY HIGH
7/8/2012
9
VERY HIGH
7/9/2012
9
VERY HIGH
7/10/2012
9
VERY HIGH
7/11/2012
9
VERY HIGH
7/12/2012
8
VERY HIGH
7/13/2012
4
MODERATE
7/14/2012
4
MODERATE
7/15/2012
4
MODERATE
7/16/2012
4
MODERATE
7/17/2012
4
MODERATE
7/18/2012
4
MODERATE
August
7.29
9
3

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
September
4.97
7
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
October
2.58
4
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
November
1.7
2
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
December
1.03
2
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
MonthAverageHighLow
January
1.71
3
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
1/1/2011
1
LOW
1/2/2011
2
LOW
1/3/2011
2
LOW
1/4/2011
1
LOW
1/5/2011
1
LOW
1/6/2011
1
LOW
1/7/2011
1
LOW
1/8/2011
1
LOW
1/9/2011
2
LOW
1/10/2011
2
LOW
1/11/2011
1
LOW
1/12/2011
2
LOW
1/13/2011
2
LOW
1/14/2011
2
LOW
1/15/2011
2
LOW
1/16/2011
2
LOW
1/17/2011
1
LOW
1/18/2011
2
LOW
1/19/2011
2
LOW
1/20/2011
1
LOW
1/21/2011
2
LOW
1/22/2011
2
LOW
1/23/2011
2
LOW
1/24/2011
2
LOW
1/25/2011
2
LOW
1/26/2011
2
LOW
1/27/2011
2
LOW
1/28/2011
2
LOW
1/29/2011
2
LOW
1/30/2011
3
MODERATE
1/31/2011
1
LOW
February
2.82
4
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
2/1/2011
1
LOW
2/2/2011
3
MODERATE
2/3/2011
3
MODERATE
2/4/2011
3
MODERATE
2/5/2011
3
MODERATE
2/6/2011
3
MODERATE
2/7/2011
3
MODERATE
2/8/2011
3
MODERATE
2/9/2011
3
MODERATE
2/10/2011
3
MODERATE
2/11/2011
2
LOW
2/12/2011
3
MODERATE
2/13/2011
3
MODERATE
2/14/2011
3
MODERATE
2/15/2011
4
MODERATE
2/16/2011
3
MODERATE
2/17/2011
1
LOW
2/18/2011
3
MODERATE
2/19/2011
3
MODERATE
2/20/2011
3
MODERATE
2/21/2011
3
MODERATE
2/22/2011
4
MODERATE
2/23/2011
4
MODERATE
2/24/2011
0
LOW
2/25/2011
4
MODERATE
2/26/2011
3
MODERATE
2/27/2011
1
LOW
2/28/2011
4
MODERATE
March
3.29
5
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
3/1/2011
3
MODERATE
3/2/2011
4
MODERATE
3/3/2011
5
MODERATE
3/4/2011
2
LOW
3/5/2011
2
LOW
3/6/2011
3
MODERATE
3/7/2011
4
MODERATE
3/8/2011
4
MODERATE
3/9/2011
1
LOW
3/10/2011
0
LOW
3/11/2011
3
MODERATE
3/12/2011
3
MODERATE
3/13/2011
3
MODERATE
3/14/2011
3
MODERATE
3/15/2011
1
LOW
3/16/2011
5
MODERATE
3/17/2011
5
MODERATE
3/18/2011
4
MODERATE
3/19/2011
4
MODERATE
3/20/2011
1
LOW
3/21/2011
4
MODERATE
3/22/2011
3
MODERATE
3/23/2011
3
MODERATE
3/24/2011
4
MODERATE
3/25/2011
4
MODERATE
3/26/2011
4
MODERATE
3/27/2011
4
MODERATE
3/28/2011
4
MODERATE
3/29/2011
5
MODERATE
3/30/2011
4
MODERATE
3/31/2011
3
MODERATE
April
4.23
8
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
4/1/2011
4
MODERATE
4/2/2011
5
MODERATE
4/3/2011
1
LOW
4/4/2011
1
LOW
4/5/2011
5
MODERATE
4/6/2011
5
MODERATE
4/7/2011
5
MODERATE
4/8/2011
5
MODERATE
4/9/2011
6
HIGH
4/10/2011
6
HIGH
4/11/2011
2
LOW
4/12/2011
1
LOW
4/13/2011
6
HIGH
4/14/2011
6
HIGH
4/15/2011
6
HIGH
4/16/2011
3
MODERATE
4/17/2011
6
HIGH
4/18/2011
1
LOW
4/19/2011
2
LOW
4/20/2011
6
HIGH
4/21/2011
6
HIGH
4/22/2011
1
LOW
4/23/2011
4
MODERATE
4/24/2011
4
MODERATE
4/25/2011
3
MODERATE
4/26/2011
4
MODERATE
4/27/2011
2
LOW
4/28/2011
7
HIGH
4/29/2011
6
HIGH
4/30/2011
8
VERY HIGH
May
6.52
10
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
5/1/2011
8
VERY HIGH
5/2/2011
7
HIGH
5/3/2011
1
LOW
5/4/2011
4
MODERATE
5/5/2011
7
HIGH
5/6/2011
7
HIGH
5/7/2011
7
HIGH
5/8/2011
7
HIGH
5/9/2011
6
HIGH
5/10/2011
5
MODERATE
5/11/2011
7
HIGH
5/12/2011
8
VERY HIGH
5/13/2011
8
VERY HIGH
5/14/2011
1
LOW
5/15/2011
2
LOW
5/16/2011
4
MODERATE
5/17/2011
3
MODERATE
5/18/2011
4
MODERATE
5/19/2011
5
MODERATE
5/20/2011
7
HIGH
5/21/2011
8
VERY HIGH
5/22/2011
5
MODERATE
5/23/2011
9
VERY HIGH
5/24/2011
8
VERY HIGH
5/25/2011
9
VERY HIGH
5/26/2011
9
VERY HIGH
5/27/2011
9
VERY HIGH
5/28/2011
8
VERY HIGH
5/29/2011
10
VERY HIGH
5/30/2011
10
VERY HIGH
5/31/2011
9
VERY HIGH
June
7.63
10
2

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
6/1/2011
8
VERY HIGH
6/2/2011
8
VERY HIGH
6/3/2011
8
VERY HIGH
6/4/2011
3
MODERATE
6/5/2011
9
VERY HIGH
6/6/2011
9
VERY HIGH
6/7/2011
10
VERY HIGH
6/8/2011
10
VERY HIGH
6/9/2011
10
VERY HIGH
6/10/2011
5
MODERATE
6/11/2011
7
HIGH
6/12/2011
9
VERY HIGH
6/13/2011
3
MODERATE
6/14/2011
9
VERY HIGH
6/15/2011
9
VERY HIGH
6/16/2011
4
MODERATE
6/17/2011
9
VERY HIGH
6/18/2011
9
VERY HIGH
6/19/2011
7
HIGH
6/20/2011
9
VERY HIGH
6/21/2011
9
VERY HIGH
6/22/2011
2
LOW
6/23/2011
5
MODERATE
6/24/2011
8
VERY HIGH
6/25/2011
8
VERY HIGH
6/26/2011
9
VERY HIGH
6/27/2011
9
VERY HIGH
6/28/2011
8
VERY HIGH
6/29/2011
8
VERY HIGH
6/30/2011
8
VERY HIGH
July
8.52
10
3

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
7/1/2011
9
VERY HIGH
7/2/2011
4
MODERATE
7/3/2011
9
VERY HIGH
7/4/2011
9
VERY HIGH
7/5/2011
9
VERY HIGH
7/6/2011
9
VERY HIGH
7/7/2011
4
MODERATE
7/8/2011
9
VERY HIGH
7/9/2011
10
VERY HIGH
7/10/2011
10
VERY HIGH
7/11/2011
10
VERY HIGH
7/12/2011
9
VERY HIGH
7/13/2011
8
VERY HIGH
7/14/2011
8
VERY HIGH
7/15/2011
9
VERY HIGH
7/16/2011
10
VERY HIGH
7/17/2011
9
VERY HIGH
7/18/2011
9
VERY HIGH
7/19/2011
10
VERY HIGH
7/20/2011
10
VERY HIGH
7/21/2011
9
VERY HIGH
7/22/2011
8
VERY HIGH
7/23/2011
9
VERY HIGH
7/24/2011
8
VERY HIGH
7/25/2011
9
VERY HIGH
7/26/2011
8
VERY HIGH
7/27/2011
9
VERY HIGH
7/28/2011
3
MODERATE
7/29/2011
9
VERY HIGH
7/30/2011
9
VERY HIGH
7/31/2011
9
VERY HIGH
August
6.84
8
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
8/1/2011
8
VERY HIGH
8/2/2011
8
VERY HIGH
8/3/2011
8
VERY HIGH
8/4/2011
7
HIGH
8/5/2011
7
HIGH
8/6/2011
8
VERY HIGH
8/7/2011
8
VERY HIGH
8/8/2011
8
VERY HIGH
8/9/2011
8
VERY HIGH
8/10/2011
8
VERY HIGH
8/11/2011
8
VERY HIGH
8/12/2011
8
VERY HIGH
8/13/2011
3
MODERATE
8/14/2011
2
LOW
8/15/2011
6
HIGH
8/16/2011
8
VERY HIGH
8/17/2011
8
VERY HIGH
8/18/2011
8
VERY HIGH
8/19/2011
8
VERY HIGH
8/20/2011
7
HIGH
8/21/2011
7
HIGH
8/22/2011
7
HIGH
8/23/2011
8
VERY HIGH
8/24/2011
4
MODERATE
8/25/2011
8
VERY HIGH
8/26/2011
6
HIGH
8/27/2011
0
LOW
8/28/2011
7
HIGH
8/29/2011
7
HIGH
8/30/2011
7
HIGH
8/31/2011
7
HIGH
September
4.73
7
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
9/1/2011
7
HIGH
9/2/2011
7
HIGH
9/3/2011
6
HIGH
9/4/2011
5
MODERATE
9/5/2011
2
LOW
9/6/2011
1
LOW
9/7/2011
2
LOW
9/8/2011
6
HIGH
9/9/2011
7
HIGH
9/10/2011
6
HIGH
9/11/2011
6
HIGH
9/12/2011
6
HIGH
9/13/2011
5
MODERATE
9/14/2011
5
MODERATE
9/15/2011
6
HIGH
9/16/2011
5
MODERATE
9/17/2011
5
MODERATE
9/18/2011
6
HIGH
9/19/2011
2
LOW
9/20/2011
5
MODERATE
9/21/2011
4
MODERATE
9/22/2011
3
MODERATE
9/23/2011
5
MODERATE
9/24/2011
4
MODERATE
9/25/2011
6
HIGH
9/26/2011
5
MODERATE
9/27/2011
5
MODERATE
9/28/2011
2
LOW
9/29/2011
5
MODERATE
9/30/2011
3
MODERATE
October
2.74
4
1

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
10/1/2011
1
LOW
10/2/2011
4
MODERATE
10/3/2011
3
MODERATE
10/4/2011
4
MODERATE
10/5/2011
4
MODERATE
10/6/2011
4
MODERATE
10/7/2011
4
MODERATE
10/8/2011
4
MODERATE
10/9/2011
4
MODERATE
10/10/2011
4
MODERATE
10/11/2011
3
MODERATE
10/12/2011
1
LOW
10/13/2011
1
LOW
10/14/2011
3
MODERATE
10/15/2011
2
LOW
10/16/2011
3
MODERATE
10/17/2011
3
MODERATE
10/18/2011
1
LOW
10/19/2011
4
MODERATE
10/20/2011
3
MODERATE
10/21/2011
3
MODERATE
10/22/2011
3
MODERATE
10/23/2011
3
MODERATE
10/24/2011
3
MODERATE
10/25/2011
1
LOW
10/26/2011
1
LOW
10/27/2011
3
MODERATE
10/28/2011
1
LOW
10/29/2011
3
MODERATE
10/30/2011
2
LOW
10/31/2011
2
LOW
November
1.83
3
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
11/1/2011
3
MODERATE
11/2/2011
2
LOW
11/3/2011
2
LOW
11/4/2011
3
MODERATE
11/5/2011
3
MODERATE
11/6/2011
3
MODERATE
11/7/2011
3
MODERATE
11/8/2011
3
MODERATE
11/9/2011
0
LOW
11/10/2011
2
LOW
11/11/2011
2
LOW
11/12/2011
2
LOW
11/13/2011
1
LOW
11/14/2011
0
LOW
11/15/2011
1
LOW
11/16/2011
1
LOW
11/17/2011
2
LOW
11/18/2011
2
LOW
11/19/2011
2
LOW
11/20/2011
1
LOW
11/21/2011
2
LOW
11/22/2011
1
LOW
11/23/2011
2
LOW
11/24/2011
2
LOW
11/25/2011
2
LOW
11/26/2011
2
LOW
11/27/2011
1
LOW
11/28/2011
1
LOW
11/29/2011
2
LOW
11/30/2011
2
LOW
December
1.19
2
0

Date
Clear Sky UV Index
Exposure Category
Cloud
Coverage
Map
Coverage
Map
12/1/2011
2
LOW
12/2/2011
2
LOW
12/3/2011
2
LOW
12/4/2011
1
LOW
12/5/2011
1
LOW
12/6/2011
1
LOW
12/7/2011
2
LOW
12/8/2011
2
LOW
12/9/2011
1
LOW
12/10/2011
1
LOW
12/11/2011
2
LOW
12/12/2011
1
LOW
12/13/2011
1
LOW
12/14/2011
1
LOW
12/15/2011
1
LOW
12/16/2011
1
LOW
12/17/2011
1
LOW
12/18/2011
2
LOW
12/19/2011
1
LOW
12/20/2011
1
LOW
12/21/2011
1
LOW
12/22/2011
1
LOW
12/23/2011
1
LOW
12/24/2011
1
LOW
12/25/2011
1
LOW
12/26/2011
1
LOW
12/27/2011
1
LOW
12/28/2011
1
LOW
12/29/2011
1
LOW
12/30/2011
0
LOW
12/31/2011
1
LOW
