Riverhead, NY Weather Data

Riverhead, NY Current Weather Data

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Riverhead, NY Historical Weather Trends

*Historical weather data collected from Westhampton, NY
Riverhead, NY

Riverhead, NY Chance of Sunshine

Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
51.61%
8
8
15
February
53.57%
8
7
13
March
54.84%
8
9
14
April
53.33%
7
9
14
May
54.84%
7
10
14
June
60.00%
8
10
12
July
61.29%
7
12
12
August
62.50%
9
11
12
September
61.29%
10
9
12
October
61.29%
11
8
12
November
53.33%
8
8
14
December
51.61%
8
8
15

Riverhead, NY Historical Temperature

Month
Average
Max Average
Min Average
January
29.64°
39.5°
19.74°
February
31.58°
41.42°
21.67°
March
39.25°
49.23°
29.18°
April
48.28°
59.25°
37.25°
May
57.17°
67.27°
47°
June
66.13°
76.02°
56.18°
July
73.45°
83.08°
63.78°
August
70.62°
80.94°
60.22°
September
64.33°
74.17°
54.47°
October
53.88°
64.28°
43.4°
November
43.83°
53.7°
33.95°
December
34.97°
44.52°
25.37°

Riverhead, NY Rainfall and Snowfall Average

Month
Average Rainfall
Average Snowfall
January
2.32 Inches
6.93 Inches
February
2.59 Inches
7.57 Inches
March
3.39 Inches
3.81 Inches
April
3.13 Inches
0 Inches
May
2.59 Inches
0 Inches
June
4.79 Inches
0 Inches
July
3.17 Inches
0 Inches
August
1.71 Inches
0 Inches
September
4.03 Inches
0 Inches
October
3.11 Inches
0 Inches
November
2.55 Inches
0 Inches
December
3.93 Inches
6.42 Inches

Riverhead, NY Energy Demand

Month
Avg. Daily HDD (?)
Avg. Daily CDD (?)
Total
January
35.38
0
35.38
February
32.56
0
32.56
March
25.4
0
25.4
April
16.63
0.03
16.66
May
8.31
0.54
8.85
June
1.73
3.33
5.06
July
0.19
8.47
8.66
August
0.23
6.37
6.6
September
3.04
2.4
5.44
October
11.05
0.3
11.35
November
20.95
0
20.95
December
29.08
0
29.08