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Monthly
Precipitation
Temperature
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°Celsius
°Fahrenheit
Monthly Historical Averages
Jamesburg, NJ
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May
Average Temperature
High
23°
Feels 23
Low
11°
Feels 10
Average Precipitation
12 Days
Rain amount
79.1mm
Snow amount
0cm
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
18°
22
17°
23
13°
24
16°
25
22°
26
25°
27
26°
28
24°
29
26°
30
26°
31
25°
Forecast
Thursday, May 21, 2026
Day
18°
Feels 18
Wind
20 km/h N
Gust
30 km/h
Humidity
51%
P.O.P
90%
Rain
5-10 mm
Night
12°
Feels 10
Wind
16 km/h NE
Gust
24 km/h
Humidity
77%
P.O.P
60%
Rain
1-3 mm
Historical Averages
May 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.