Weather in Helena: May
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Average day temperature: | 58.3°F |
| Average night temperature: | 42.3°F | |
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Number of sunny days: | 11 days |
| Day length: | 14.4 - 15.6 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Helena |
weather in
June
June
| Helena |
Air temperature in May, °F
Show year:
2023
2022
2021
The highest day temperature during May of 2023 was 77°F. At the same time the lowest night temperature was 37°F. Day and night temperature averages during May were 64.3°F and 47.5°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Helena in May is 1.5 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 5.3 mph It makes May one of the most windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.0.
Best time for vacation in Helena
Helena on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Helena
Local time: 14:36
May 18, saturday
1500
59°F
E
16 mph
16 mph
1800
59°F
E
14 mph
14 mph
2100
48°F
SE
2 mph
2 mph
May 19, sunday
0000
43°F
E
4 mph
4 mph
0300
41°F
E
3 mph
3 mph
0600
37°F
NE
2 mph
2 mph
0900
41°F
SE
4 mph
4 mph
1200
45°F
SW
1 mph
1 mph
