Flights to Helena, MT, United States

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Weather in Helena

Average Weather

Month	Average monthly max temperature	Average monthly min temperature
January	-1°C	-10°C
February	-1°C	-10°C
March	4°C	-5°C
April	9°C	-1°C
May	15°C	3°C
June	21°C	7°C
July	27°C	11°C
August	26°C	11°C
September	21°C	7°C
October	11°C	0°C
November	3°C	-6°C
December	-1°C	-10°C

Hottest Month

27°C

July

Coldest month

-10°C

February

Sunny days

256

days per year

Snow days

days per year

14 day forecast

Friday

9 May

23°C5°C

16 May

13°C0°C

Saturday

10 May

26°C10°C

17 May

11°C2°C

Sunday

11 May

21°C10°C

18 May

12°C3°C

Monday

12 May

15°C4°C

19 May

16°C1°C

Tuesday

13 May

77%

8°C2°C

20 May

15°C4°C

Wednesday

14 May

87%

7°C1°C

21 May

16°C2°C

Thursday

15 May

80%

10°C1°C

22 May

14°C4°C

Cheapest month to fly to Helena

Explore price trends for trips to Helena

Showing prices in CAD

Annual Avg. Price	325 CAD
May 2025	286 CAD
June 2025	308 CAD
July 2025	357 CAD
August 2025	285 CAD
September 2025	343 CAD
October 2025	332 CAD
November 2025	332 CAD
December 2025	339 CAD
January 2026	347 CAD

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