World Resorts USA Helena

Helena Monthly Weather Averages

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.

December is the month with least precipitations during the year. The average precipitation totals for this month is 0.2 in. The month with most precipitation total is June.

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

Sunniest months:
July 22 days
August 22 days
September 21 days
Warmest months:
July 80.1 °F
August 77.5 °F
September 70.0 °F
Coldest months:
January 27.4 °F
February 28.1 °F
December 31.0 °F
Rainiest months:
June 3 days
May 3 days
July 1 day
Windiest months:
April 6.5 mph
May 5.9 mph
March 5.8 mph

Helena on a weather map

Helena
+43°F
NE 4 mph
Feels like: +37°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+72°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+64°F
+52°F
24 Hours Forecast
Helena
Local time: 03:16
April 09, thursday
0600
37°F
E
4 mph
0900
41°F
S
8 mph
1200
52°F
S
4 mph
1500
55°F
SW
7 mph
1800
54°F
W
6 mph
2100
43°F
SE
2 mph
April 10, friday
0000
39°F
SE
2 mph
0300
36°F
NE
1 mph
Units of measurement: °C / °F