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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Valley Stream, NY
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May
Average Temperature
High
20°
Feels 20
Low
12°
Feels 11
Average Precipitation
12 Days
Rain amount
94.5mm
Snow amount
0cm
Content continues below
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
22
23
24
15°
25
21°
26
22°
27
25°
28
21°
29
21°
30
24°
31
21°
Forecast
Monday, May 25, 2026
Day
21°
Feels 21
Wind
10 km/h SW
Gust
15 km/h
Humidity
83%
P.O.P
90%
Rain
~5 mm
Night
16°
Feels 16
Wind
10 km/h SW
Gust
15 km/h
Humidity
94%
P.O.P
30%
Historical Averages
May 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.