Helena Weather in October

During October, Helena experiences moderate daytime temperatures of 14°C (57°F) and cooler nights around 1°C (34°F). Some rainfall is typical during this period.

Rainfall in Helena in October

Expect around 12 days of rain based on historical data, with 27 mm (1.1 in) average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Helena in October

October in Helena sees highs of 14°C (57°F) and lows of 1°C (34°F) overnight. Conditions are often most pleasant around the middle of the day. Nights fall to 1°C (34°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Helena in October

Expect a lot of sunshine this month, with about 202 hours of sun. These sunny conditions help offset the cool temperatures, making it a pleasant month to explore outdoors.

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.

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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 October

Min Temperature 1°C (34°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 40%  

Precipitation 27 mm (1.1 in)  

Rainy days 12 days  

Humidity 58%  

Sunshine 202 hours  

Percentage Sunshine 60%  

What to Wear in Helena in October

Pack for changing conditions in Helena in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. 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 October

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

Swimming

4/10

Cycling

6/10

Walking

6/10

Camping

5/10

Outdoor sports

10/10

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.