Helena Weather in March

March in Helena brings low temperatures, with highs of 8°C (46°F) and nights dropping to -4°C (25°F). Expect some snow/rainfall, with around 21 mm (0.8 in) typical for the month.

Rainfall in Helena in March

You can expect snow/rain on roughly 12 days based on historical data, averaging 21 mm (0.8 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Helena in March

In March, Helena sees low temperatures, with highs of 8°C (46°F). Nights drop to around -4°C (25°F). Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. With overnight lows of -4°C (25°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.

Sunshine in Helena in March

Enjoy a sunny month with about 225 hours of sunshine, making it one of the brighter months of the year despite the cool conditions.

If you prefer enjoying temperate temperatures and rain-free days, June, July, August and September typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Helena's climate page.

Helena Temperature in March

Min Temperature -4°C (25°F)  

Max Temperature 8°C (46°F)  

Chance of Rain 40%  

Precipitation 21 mm (0.8 in)  

Rainy days 12 days  

Humidity 60%  

Sunshine 225 hours  

Percentage Sunshine 61%  

What to Wear in Helena in March

Cold weather calls for smart layering in March. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Pack a light rain jacket or compact umbrella for occasional showers. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Helena in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

2/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Helena's climate page.

More climate data for Helena

Temperature Rainfall Sunshine Humidity

See the full Helena climate overview or explore weather in the United States of America.