When to visit
Helena?

Discover the best time of year, based on historical climate, temperature, and precipitation.

Helena
State of Montana · United States of America

The best weather in Helena is from July, August, September.consistent weather climate

Climate score
June
87

Excellent climate

🌥Mild

Temperature
9–23°C
Cold nights — bring layers
Feels like
7–22°C
Dry
Precipitation
51mm
Moderate rain · 7 days
Sunshine
12.8h
Partly cloudy
Humidity (%)
52%
Dry
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-20°-10°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
Monthly Overview
Score151422316387959589442314
ClimatePolarPolarColdColdColdMildPleasantPleasantMildColdColdPolar
Temperature-10–0°C-11–0°C-6–6°C-1–12°C4–17°C9–23°C13–29°C13–28°C8–22°C1–13°C-5–5°C-9–0°C
Feels like-15–-4°C-16–-4°C-10–2°C-5–8°C1–15°C7–22°C11–27°C11–26°C5–19°C-2–10°C-10–1°C-13–-4°C
Precipitation21mm
7 days
28mm
10 days
28mm
8 days
44mm
10 days
58mm
11 days
51mm
7 days
18mm
3 days
20mm
3 days
36mm
6 days
38mm
8 days
25mm
6 days
26mm
8 days
Sunshine6.2h
☀︎ 68%
6.6h
☀︎ 64%
9.3h
☀︎ 78%
10.1h
☀︎ 74%
11.1h
☀︎ 74%
12.8h
☀︎ 81%
14.1h
☀︎ 92%
12.4h
☀︎ 88%
10.3h
☀︎ 82%
8.3h
☀︎ 76%
6.7h
☀︎ 71%
5.3h
☀︎ 61%
WindSW · 13 km/hSW · 15 km/hSW · 15 km/hW · 17 km/hW · 16 km/hW · 17 km/hW · 16 km/hW · 16 km/hW · 16 km/hSW · 15 km/hSW · 14 km/hSW · 13 km/h
Humidity (%)69%66%62%57%57%52%42%44%53%61%66%67%
Day length9.1h10.3h12.0h13.6h15.0h15.8h15.4h14.1h12.5h10.9h9.4h8.6h

Frequently asked questions

What is the best time to visit Helena?

The best time to visit Helena is September, June, July, August, with temperatures between 8 °C and 29 °C. The best month is September. September is low season.

What is the weather like in Helena?

Helena has a climate with an overall score of 4.9/10. Annual temperatures range from -11 °C to 29 °C.

What is the hottest month in Helena?

The hottest month in Helena is July, with average highs of 29 °C and lows of 13 °C.

What is the rainiest month in Helena?

The rainiest month in Helena is May, with an average of 58 mm of precipitation.