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 81.0°F. The average nightly temp is 58.5°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: 03:35
August 13, thursday
0600
55°F
SE
5 mph
5 mph
0900
59°F
S
4 mph
4 mph
1200
64°F
S
6 mph
6 mph
1500
75°F
S
9 mph
9 mph
1800
61°F
S
7 mph
7 mph
2100
57°F
SE
6 mph
6 mph
August 14, friday
0000
55°F
S
3 mph
3 mph
0300
54°F
S
2 mph
2 mph
