Helena, us-Montana State, USA Weather Information
Local Time
2026-03-30 08:50:29 Mountain Standard TimeWeather in the past year
Sun & Astronomy
In Helena, us-Montana State, USA, today's sunrise time is 07:09, sunset time is 19:55, nautical twilight begins at 06:03, nautical twilight ends at 21:01, astronomical twilight begins at 05:25, astronomical twilight ends at 21:39.
Temperature Analysis
In Helena, us-Montana State, USA region, the lowest temperature occurs in February 2025, with an average temperature of about -11°C.
The highest temperature occurs in July 2025, with a maximum temperature of up to 20.2°C.
Based on historical data, the average temperature in January is -6.8°C, February is -11°C, March is 2.8°C, April is 5.6°C, May is 12.2°C, June is 16.2°C, July is 20.2°C, August is 19.3°C, September is 15.9°C, October is 6.5°C, November is 3.6°C, December is 1.5°C.
Wind Analysis
In Helena, us-Montana State, USA region, the lowest wind speed occurs in February 2025, with an average wind speed of about 27 km/h.
The highest wind speed occurs in December 2025, with a maximum wind speed of up to 43.7 km/h.
Based on historical data, the average wind speed in January is 27.6 km/h, February is 27 km/h, March is 36.2 km/h, April is 37.5 km/h, May is 34.9 km/h, June is 37.9 km/h, July is 40.4 km/h, August is 34 km/h, September is 32.3 km/h, October is 35.2 km/h, November is 30.2 km/h, December is 43.7 km/h.
Sunshine Duration Analysis
In Helena, us-Montana State, USA region, the lowest sunshine duration occurs in December 2025, with an average sunshine duration of about 4.3 hours.
The highest sunshine duration occurs in June 2025, with a maximum sunshine duration of up to 12.9 hours.
Based on historical data, the average sunshine duration in January is 4.9 hours, February is 6.2 hours, March is 8.3 hours, April is 10.8 hours, May is 11.1 hours, June is 12.9 hours, July is 12.8 hours, August is 11.8 hours, September is 11 hours, October is 7.7 hours, November is 6.5 hours, December is 4.3 hours.
Precipitation Analysis
In Helena, us-Montana State, USA region, the lowest precipitation occurs in September 2025, with an average precipitation of about 0.4 mm.
The highest precipitation occurs in December 2025, with a maximum precipitation of up to 2.9 mm.
Based on historical data, the average precipitation in January is 1.3 mm, February is 1.5 mm, March is 1.1 mm, April is 0.9 mm, May is 2.2 mm, June is 1.4 mm, July is 0.6 mm, August is 0.5 mm, September is 0.4 mm, October is 1.1 mm, November is 1.1 mm, December is 2.9 mm.