Weather in Helena (Montana) in august 2025

The weather in Helena (Montana) in the month of august comes from statistical datas on the past years. You can view the weather statistics for all the month, but also by clicking on the tabs for the beginning, the middle and the end of the month.

Average weather throughout august

good weather UV index: 6

Weather at 6am
50°F

Partly Cloudy

20%

Moderate rain at times

6%

Fog

5%

Weather at 12pm
74°F

Partly Cloudy

17%

Moderate rain at times

7%

Moderate or heavy rain in area with thunder

4%

Weather at 6pm
79°F

Partly Cloudy

23%

Moderate rain at times

7%

Moderate or heavy rain in area with thunder

5%

Weather at 3am
58°F

Clear/Sunny

67%

Partly Cloudy

16%

Moderate rain at times

12%

Fog

3%



Evolution of daily average temperature and precipitation in Helena (Montana) in august

These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Helena (Montana) in august.


The climate of Helena (Montana) in august is good

The weather in august in Helena (Montana) is quite dry (with 2in of rainfall over 3 days). The weather is worst than the previous month since in july there is an average of 1.6in of rainfall over 2 days.

The climate good in that locality august. Temperatures are up to 79°F. In the morning the temperature drops to 50°F. Thus, the mean temperature average in august in Helena (Montana) is 65°F. These temperatures are far removed from those records observed in Helena (Montana) in the month of august with a maximum record of 99°F in 2018 and a minimum record of 31°F in 2014. You You can hope to have about 6 days with temperatures up to 86°F, or 19 of the month.

In august in Helena (Montana), the days on average last 14:11. The sun rises at 05:27 and sunset is at 19:38.

With good weather conditions, this month is advisable to go in this city.



Seasonal average climate and temperature of Helena (Montana) in august

Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of august.

August
Outside temperature
Average temperature 65°F
Highest temperature 79°F
Lowest temperature 50°F
Highest record temperature 99°F
(2018)
Lowest record temperature 31°F
(2014)
Number of days at +86°F 6 day(s)
(19%)
Number of days at +65°F 29 day(s)
(94%)
Number of days at -32°F 0 day(s)
(0%)
Wind
Wind speed 13km/h
Wind temperature 49°F
Precipitation (rainfall)
Rainfall 2in
Number of days with rainfall 3 day(s)
(9%)
Record daily rainfall 1.7in
(2014)
Snowfall 0cm
Other climate data
Humidity 67%
Visibility 9.73km
Cloud cover 15%
UV index 6
Daily sunshine hours 14
Sunrise and sunset
Time of sunrise 05:27
Time of sunset 19:38
Length of day 14:11
Our opinion about the weather in august
Our opinion at whereandwhen.net good



How was the weather last august?

Here is the day by day recorded weather in Helena (Montana) in august 2024:

01-08-2024
Clear/Sunny
56°F to 92°F
02-08-2024
Clear/Sunny
61°F to 95°F
03-08-2024
Clear/Sunny
65°F to 95°F
04-08-2024
Partly Cloudy
65°F to 76°F
05-08-2024
Clear/Sunny
54°F to 88°F
06-08-2024
Thundery outbreaks in nearby
54°F to 85°F
07-08-2024
Patchy rain nearby
54°F to 61°F
08-08-2024
Partly Cloudy
49°F to 65°F
09-08-2024
Clear/Sunny
47°F to 72°F
10-08-2024
Clear/Sunny
50°F to 81°F
11-08-2024
Clear/Sunny
49°F to 79°F
12-08-2024
Clear/Sunny
54°F to 79°F
13-08-2024
Partly Cloudy
52°F to 77°F
14-08-2024
Patchy rain nearby
49°F to 70°F
15-08-2024
Clear/Sunny
50°F to 77°F
16-08-2024
Clear/Sunny
50°F to 77°F
17-08-2024
Clear/Sunny
50°F to 83°F
18-08-2024
Clear/Sunny
56°F to 88°F
19-08-2024
Clear/Sunny
54°F to 81°F
20-08-2024
Clear/Sunny
52°F to 83°F
21-08-2024
Clear/Sunny
52°F to 76°F
22-08-2024
Clear/Sunny
52°F to 77°F
23-08-2024
Clear/Sunny
52°F to 85°F
24-08-2024
Clear/Sunny
50°F to 76°F
25-08-2024
Clear/Sunny
43°F to 68°F
26-08-2024
Clear/Sunny
47°F to 74°F
27-08-2024
Clear/Sunny
50°F to 83°F
28-08-2024
Clear/Sunny
38°F to 59°F
29-08-2024
Clear/Sunny
40°F to 72°F
30-08-2024
Clear/Sunny
47°F to 83°F
31-08-2024
Clear/Sunny
52°F to 85°F

Map: other cities in the United States (USA) in august

Cities near Helena (Montana):

Montana in augustgood weather
Yellowstone National Park in augusttolerable weather
Glacier National Park (Montana) in augusttolerable weather
Cody (Wyoming) in augustgood weather
Grand Teton National Park (Wyoming) in augusttolerable weather
Jackson Hole in augusttolerable weather
Boise (Idaho) in augustperfect weather
Wyoming in augustperfect weather
Salt Lake City in augustperfect weather
Mount Rushmore in augustgood weather
Mount Rainier National Park (Washington) in augustgood weather
Seattle in augustperfect weather
United States in august: See full list of cities

Click over cities on the map for information about the weather in august.

Legend: Helena (Montana) perfect weather good tolerable bad very bad


Weather data for Helena (Montana) in august:

Weather data for Helena (Montana) for august are derived from an average of the weather forecast since 2009 in Helena (Montana). There is a margin of error and these forecasts are to be considered as general information only. The weather in Helena (Montana) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Helena (Montana).


Weather in july in Helena (Montana)
Weather in september in Helena (Montana)
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