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.