Helena weather by month
Helena Weather Overview
Helena, Montana, is known for its dramatic seasons and breathtaking mountain views. Whether you’re a resident, a tourist, or a potential new homeowner, understanding how the weather changes month‑by‑month can help you plan activities, pack the right clothes, and stay safe. This guide provides a month‑by‑month snapshot of Helena’s weather, together with a quick‑reference table and answers to the most common questions.
**Helena Weather by Month**
| Month | Avg High (°F) | Avg Low (°F) | Avg Precipitation (in) | Avg Snowfall (in) |
|---|---|---|---|---|
| January | 28 | 2 | 2.3 | 6.2 |
| February | 33 | 5 | 2.1 | 5.9 |
| March | 44 | 11 | 1.9 | 3.5 |
| April | 55 | 20 | 2.2 | 1.4 |
| May | 65 | 29 | 1.5 | 0.2 |
| June | 73 | 38 | 1.2 | 0 |
| July | 80 | 44 | 1.1 | 0 |
| August | 78 | 42 | 0.9 | 0 |
| September | 71 | 35 | 1.3 | 0 |
| October | 58 | 23 | 1.7 | 0.5 |
| November | 43 | 13 | 1.9 | 1.3 |
| December | 30 | 6 | 2.0 | 5.8 |
Data Source: National Oceanic and Atmospheric Administration (NOAA) Station 713010 – Helena‑Terra Hall.
**Seasonal Highlights**
Winter (December–February)
- Temperatures: Often dip below freezing; January averages 28°F highs.
- Snow: Substantial snowfall in December and January (5–6 inches on average), ideal for skiing and snowshoeing.
- Precipitation: Most rainfall, but in the form of snow.
Early Spring (March–April)
- Temperatures: Gradual warming; March is mild but still cool.
- Precipitation: Transition from snow to rain.
- Activities: Great for early hiking with less crowd.
Summer (May–August)
- Temperatures: Warmest period, highs in the 70s to 80s°F.
- Precipitation: Lowest rainfall; typically dry, sunny days.
- Outdoor Fun: Perfect for lake activities, mountain biking, and festivals.
Autumn (September–November)
- Temperatures: Cooler evenings start in September; November sees significant chills.
- Snow: First snowfall usually around late November.
- Colors: Stunning fall foliage between late October and early November.
**Travel Tips & Planning**
- Layering is Key: Temperatures can swing dramatically throughout the day; bring layers no matter the season.
- Rain Gear: Even summer storms can catch visitors off‑guard. Pack an umbrella or a light rain jacket.
- High‑Altitude Awareness: Helena sits at ~4,200 ft; visitors may feel altitude effects early in the season. Hydrate and pace yourself.
- Wind: Montana breezes can make it feel cooler than the thermometer indicates—consider windbreakers for excursions.
**FAQs**
| Question | Answer |
|---|---|
| What is the average temperature in Helena in June? | Around 73°F highs and 38°F lows. |
| When is the best time to visit for skiing? | December through February, when snowfall is at its peak. |
| Do I need a rain coat in summer? | Light rain can happen, but it’s rare; a light rain jacket or umbrella is a safe bet. |
| Is it safe to hike in October? | Yes, but pack a windbreaker and be prepared for cooler nights. |
| How many inches of snowfall does Helena receive annually? | Approximately 14–15 inches on average. |
**Resources**
- NOAA National Weather Service – Detailed climatology for Helena: https://www.weather.gov/lnx/cli/helena
- Rainy City – Real‑time weather and long‑term forecasts: https://www.rainycities.com/mt/helena/weather
- MtnWeather – Local mountain weather specific to the Montana foothills: https://www.mtnweather.com/mt/helena
- Visit Helena – Tourism guide with seasonal travel recommendations: https://www.visithelena.com/plan-your-trip
- Mountain West Meteorology – Geological and climate insights for the region: https://www.mountainwest.edu/meteorology
Feel free to reach out with any additional questions or share your own Helena weather experiences in the comments below. Happy travels!