The climate in Helena during October can be summarized as cool and dry.
October is in the fall / autumn in Helena and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night -1°C (31°F) is normal.
Daytime temperature | 14.4°C 57.9°F |
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Nightly temperature | -0.8°C 30.6°F |
Average temperature | 6.8°C 44.2°F |
Daily sunshine | 7.2 hrs |
Avg rainfall | 19 mm 0.7 ins |
Rainy days | 6 days |
Sea temperature | 11.7°C 53°F |
Humidity | 58% |
Windspeed | 14kph 9 mph |
On average October is the 5th driest month of the year in Helena with around 19mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Helena in October 2024.
Best places to visit in October
Hottest month: | July | 27.9°C 82.2°F |
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Driest month: | February | 12mm 0.5ins |
Sunniest month: | July | 12.8hrs |
Coldest month: | January | -1.3°C 29.7°F |
Wettest month: | June | 55mm 2.2ins |