Please click on any column to get detailed information about Helena weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in Helena is july. The average daily temp is 80.7°F. The average nightly temp is 58.6°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
Best time for vacation in Helena
Helena on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Helena
Local time: 13:11
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
