Princeton, NJ Weather Data

Princeton, NJ Current Weather Data

Tue. Sep 16th
overcast clouds
55 / 55
Wed. Sep 17th
light rain
73 / 58
Thu. Sep 18th
light rain
67 / 55
Fri. Sep 19th
sky is clear
65 / 48
Sat. Sep 20th
light rain
73 / 55

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Princeton, NJ Historical Weather Trends

*Historical weather data collected from Ewing Township, NJ
Princeton, NJ

Princeton, NJ Chance of Sunshine

Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
48.39%
7
8
16
February
50.00%
7
7
14
March
51.61%
8
8
15
April
53.33%
7
9
14
May
54.84%
6
11
14
June
60.00%
7
11
12
July
61.29%
7
12
12
August
63.33%
8
11
11
September
63.33%
10
9
11
October
62.50%
11
9
12
November
53.33%
7
9
14
December
50.00%
7
8
15

Princeton, NJ Historical Temperature

Month
Average
Max Average
Min Average
January
32.6°
40.13°
25.02°
February
35.9°
44.33°
27.42°
March
44.7°
53.9°
35.47°
April
55.02°
65.62°
44.38°
May
63.53°
73.68°
53.33°
June
72.33°
82.26°
62.36°
July
78.13°
88.15°
68.07°
August
75.06°
84.8°
65.3°
September
68.8°
77.48°
60.08°
October
56.88°
66.23°
47.48°
November
45.95°
54.58°
37.28°
December
37.3°
44.65°
29.88°

Princeton, NJ Rainfall and Snowfall Average

Month
Average Rainfall
Average Snowfall
January
2.52 Inches
0 Inches
February
2.06 Inches
8 Inches
March
2.61 Inches
0 Inches
April
2.54 Inches
0 Inches
May
3.91 Inches
0 Inches
June
4.68 Inches
0 Inches
July
4.72 Inches
0 Inches
August
4.15 Inches
0 Inches
September
3.7 Inches
0 Inches
October
3.19 Inches
0 Inches
November
2.17 Inches
0 Inches
December
4.45 Inches
0 Inches

Princeton, NJ Energy Demand

Month
Avg. Daily HDD (?)
Avg. Daily CDD (?)
Total
January
32.15
0
32.15
February
29.22
0
29.22
March
20.07
0.07
20.14
April
10.57
0.85
11.42
May
3.79
2.63
6.42
June
0.31
7.9
8.21
July
0
12.86
12.86
August
0.07
10.43
10.5
September
1.05
4.85
5.9
October
8.5
0.72
9.22
November
18.82
0
18.82
December
27.53
0
27.53