Montana weather

Usually in April
- 12
- -2
- 8
Weather by month
Now Today
- 7
- 11
5-day forecast

Below are the temperatures expected today at popular destinations in Montana. Select a destination to compare today's forecast with average weather conditions.

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Recommended for Montana

The weather guide for Montana (Helena) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to go to Montana?

The best time to go to Montana (Helena) is June, July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
1
Feb
1.5
Mar
2
Apr
3.5
May
5
Jun
5
Jul
5
Aug
4
Sep
1.5
Oct
0.5
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

-1
Jan
3
Feb
6
Mar
12
Apr
18
May
23
Jun
28
Jul
28
Aug
20
Sep
14
Oct
5
Nov
0
Dec

Hours of Sunshine (daily)

4
Jan
5
Feb
7
Mar
8
Apr
9
May
10
Jun
12
Jul
10
Aug
8
Sep
7
Oct
4
Nov
3
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

Metric (°C / mm) | Imperial (°F / inches)

More about the USA

Which is the hottest month in Montana?

The hottest time of year in Helena, Montana is normally July. Expect maximum daytime temperatures to reach 28°C with low heat and humidity.

Which month has the most rain in Montana?

In terms of rainfall, June is usually the wettest month in Helena, Montana with 55mm on average. There are normally 10 days in June with some rain.

When is it sunniest in Montana?

The sunniest time of year in Helena, Montana is normally July with bright sunshine on average for 77% of daylight hours; that's 12 hours of sunshine per day.

What is the flight time to Montana from the UK?

The flight time to Montana from the UK is typically 13 hours.

What is the time difference between Montana and the UK?

The time difference between Montana and the UK is GMT-7 hours.

What is the main language spoken in Montana?

The main language spoken in Montana is English.

Learn a language for Montana with Busuu^*, Lingoda^* and Rocket Languages^*.

What is the currency in Montana?

The currency in Montana is the US Dollar (USD).

Send money to Montana with Monito^*, Wise^* and World Remit^*.

Which plugs are used in Montana?

Montana uses electrical plug type A + B (120 Volts).

Which side of the road do they drive on in Montana?

They drive on the right side of the road in Montana.

Do you need a visa for Montana?

Yes, UK passport holders do need a visa to enter Montana.

Check USA visa requirements for all passport holders with VisaHQ^* and iVisa.com^*.

Compare Montana weather with the USA

Below the Montana weather chart shows average maximum daytime temperature for Montana, USA (Helena) and the USA (Washington).

Maximum daytime temperature (°C)

Montana, USA (Helena)

USA (Washington)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

-1