Flights to Helena, MT, United States

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Weather in Helena

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-1°C-10°C
February-1°C-10°C
March4°C-5°C
April9°C-1°C
May15°C3°C
June21°C7°C
July27°C11°C
August26°C11°C
September21°C7°C
October11°C0°C
November3°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
26
days per year

14 day forecast

Friday
18 Apr
8°C-5°C
25 Apr
88%
16°C2°C
Saturday
19 Apr
11°C0°C
26 Apr
20°C4°C
Sunday
20 Apr
84%
9°C0°C
27 Apr
78%
11°C-1°C
Monday
21 Apr
5°C-3°C
28 Apr
87%
11°C1°C
Tuesday
22 Apr
9°C-4°C
29 Apr
13°C0°C
Wednesday
23 Apr
12°C-3°C
30 Apr
13°C2°C
Thursday
24 Apr
13°C0°C
1 May
70%
8°C0°C

Cheapest month to fly to Helena

Explore price trends for trips to Helena

Annual Avg. Price334 CAD
April 2025285 CAD
May 2025265 CAD
July 2025296 CAD
August 2025325 CAD
September 2025296 CAD
October 2025350 CAD
November 2025350 CAD
December 2025350 CAD
January 2026418 CAD
February 2026402 CAD
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