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	-2°C	-10°C

Hottest Month

27°C

July

Coldest month

-10°C

December

Sunny days

255

days per year

Snow days

days per year

14 day forecast

Monday

16 Dec

-1°C-10°C

23 Dec

4°C-4°C

Tuesday

17 Dec

4°C-6°C

24 Dec

70%

3°C-3°C

Wednesday

18 Dec

10°C-3°C

25 Dec

3°C-6°C

Thursday

19 Dec

5°C-5°C

26 Dec

5°C-3°C

Friday

20 Dec

8°C-5°C

27 Dec

1°C-6°C

Saturday

21 Dec

7°C0°C

28 Dec

2°C-5°C

Sunday

22 Dec

78%

7°C1°C

29 Dec

1°C-5°C

Cheapest month to fly to Helena

Explore price trends for trips to Helena

Showing prices in CAD

Annual Avg. Price	336 CAD
December 2024	624 CAD
January 2025	239 CAD
February 2025	239 CAD
March 2025	235 CAD
April 2025	287 CAD
May 2025	262 CAD
June 2025	287 CAD
July 2025	318 CAD
August 2025	363 CAD
September 2025	401 CAD
October 2025	438 CAD