Jefferson County, CO Weather Data
Jefferson County, CO Current Weather Data
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Jefferson County, CO Historical Weather Trends
*Historical weather data collected from Inverness, CO
Jefferson County, CO
Jefferson County, CO area Highlights
Jefferson County, CO Chance of Sunshine
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
63.33%
10
9
11
February
60.71%
8
9
11
March
58.06%
8
10
13
April
58.06%
7
11
13
May
58.06%
6
12
13
June
73.33%
10
12
8
July
80.65%
9
16
6
August
75.00%
10
14
8
September
73.33%
13
9
8
October
70.97%
13
9
9
November
66.67%
10
10
10
December
67.74%
11
10
10
Jefferson County, CO Historical Temperature
Month
Average
Max Average
Min Average
January
31.68°
44.75°
18.55°
February
31.18°
43.53°
18.8°
March
41.77°
55.47°
28°
April
46.35°
60.03°
32.62°
May
55.42°
68.67°
42.1°
June
67.54°
82.41°
52.63°
July
73.65°
87.67°
59.62°
August
72.1°
86.26°
57.9°
September
63.13°
77.28°
48.9°
October
49.95°
63.77°
36.07°
November
41.58°
55.53°
27.58°
December
29.18°
42°
16.33°
Jefferson County, CO Rainfall and Snowfall Average
Month
Average Rainfall
Average Snowfall
January
0.26 Inches
6.16 Inches
February
0.53 Inches
8.37 Inches
March
0.74 Inches
7.87 Inches
April
1.66 Inches
7.68 Inches
May
2.19 Inches
1.5 Inches
June
1.82 Inches
0 Inches
July
2.23 Inches
0 Inches
August
1.62 Inches
0 Inches
September
1.3 Inches
0 Inches
October
1.24 Inches
6.06 Inches
November
0.44 Inches
4.87 Inches
December
0.43 Inches
12.75 Inches
Jefferson County, CO Energy Demand
January
33.07
0
33.07
February
34.68
0
34.68
March
23.1
0
23.1
April
18.38
0.02
18.4
May
9.66
0.46
10.12
June
1.59
4.54
6.13
July
0.11
8.89
9
August
0.23
7.6
7.83
September
3.43
1.75
5.18
October
14.87
0.05
14.92
November
23.24
0
23.24
December
36.05
0
36.05