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Climate chart Helena

Jan.

max 28°F min 12°F

10

Feb.

max 32°F min 14°F

6

Mar.

max 45°F min 28°F

13

Apr.

max 45°F min 25°F

25

May.

max 57°F min 36°F

29

Jun.

max 70°F min 43°F

18

Jul.

max 82°F min 52°F

16

Aug.

max 88°F min 54°F

11

Sep.

max 75°F min 46°F

10

Oct.

max 59°F min 36°F

4

Nov.

max 32°F min 12°F

10

Dec.

max 36°F min 21°F

10

Weekly overview Helena

Weather Helena 14 days

Thursday 10-07-2025 Fog 64°F / 82°F

Friday 11-07-2025 Sunny/Clear 66°F / 86°F

Saturday 12-07-2025 Partly cloudy 70°F / 86°F

Sunday 13-07-2025 Patchy rain possible 66°F / 88°F

Monday 14-07-2025 Patchy rain possible 66°F / 77°F

Tuesday 15-07-2025 Patchy rain possible 64°F / 82°F

Wednesday 16-07-2025 Sunny/Clear 64°F / 88°F

Thursday 17-07-2025 Patchy rain possible 55°F / 70°F

Friday 18-07-2025 Sunny/Clear 48°F / 73°F

Saturday 19-07-2025 Sunny/Clear 52°F / 77°F

Sunday 20-07-2025 Partly cloudy 59°F / 81°F

Monday 21-07-2025 Moderate rain 64°F / 77°F

Tuesday 22-07-2025 Patchy rain possible 63°F / 72°F

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