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 80.1°F. The average nightly temp is 57.7°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: 01:29
December 05, friday
0300
34°F
SE
1 mph
1 mph
0600
27°F
NE
1 mph
1 mph
0900
19°F
NE
4 mph
4 mph
1200
30°F
N
2 mph
2 mph
1500
37°F
NW
2 mph
2 mph
1800
34°F
N
3 mph
3 mph
2100
30°F
N
4 mph
4 mph
December 06, saturday
0000
32°F
E
9 mph
9 mph
