Weather Almanac: East Helena, MT 59635

🗓️ Historical norms for August 2025

July September

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

August avg. precipitation

🌧️ 1.20"

August days below freezing

📉 ≈0.1 days

Average August lows 50°F – 54°F

USDA Zone

Annual extreme lows -20°F to -15°F

Last Spring Frost (36°F)

🌷 Jun 8

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First Fall Frost (36°F)

🍂 Sep 14

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F: Forecast

H: Normal High Temp

L: Normal Low Temp

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Fri. August 1

🌅 6:08 a.m.

F: 56°F

H: 79°F – 92°F

L: 49°F – 58°F

🌇 8:57 p.m.

Sat. August 2

🌅 6:09 a.m.

F: 78°F / 54°F

H: 79°F – 93°F

L: 49°F – 58°F

🌇 8:56 p.m.

Sun. August 3

🌅 6:11 a.m.

F: 82°F / 54°F

H: 79°F – 93°F

L: 49°F – 58°F

🌇 8:55 p.m.

Mon. August 4

🌅 6:12 a.m.

F: 83°F / 53°F

H: 79°F – 92°F

L: 49°F – 58°F

🌇 8:53 p.m.

Tue. August 5

🌅 6:13 a.m.

F: 80°F / 52°F

H: 79°F – 92°F

L: 49°F – 58°F

🌇 8:52 p.m.

Wed. August 6

🌅 6:14 a.m.

F: 83°F / 54°F

H: 79°F – 92°F

L: 49°F – 58°F

🌇 8:50 p.m.

Thu. August 7

🌅 6:16 a.m.

F: 82°F / 55°F

H: 79°F – 92°F

L: 49°F – 58°F

🌇 8:49 p.m.

Fri. August 8

🌅 6:17 a.m.

F: 77°F

H: 79°F – 92°F

L: 49°F – 58°F

🌇 8:47 p.m.

Sat. August 9

🌅 6:18 a.m.

H: 78°F – 92°F

L: 49°F – 58°F

🌇 8:46 p.m.

Sun. August 10

🌅 6:19 a.m.

H: 78°F – 92°F

L: 48°F – 58°F

🌇 8:44 p.m.

Mon. August 11

🌅 6:21 a.m.

H: 78°F – 92°F

L: 48°F – 58°F

🌇 8:42 p.m.

Tue. August 12

🌅 6:22 a.m.

H: 78°F – 92°F

L: 48°F – 58°F

🌇 8:41 p.m.

Wed. August 13

🌅 6:23 a.m.

H: 77°F – 91°F

L: 48°F – 58°F

🌇 8:39 p.m.

Thu. August 14

🌅 6:24 a.m.

H: 77°F – 91°F

L: 48°F – 58°F

🌇 8:37 p.m.

Fri. August 15

🌅 6:26 a.m.

H: 76°F – 91°F

L: 48°F – 58°F

🌇 8:36 p.m.

Sat. August 16

🌅 6:27 a.m.

H: 76°F – 91°F

L: 47°F – 58°F

🌇 8:34 p.m.

Sun. August 17

🌅 6:28 a.m.

H: 76°F – 91°F

L: 47°F – 58°F

🌇 8:32 p.m.

Mon. August 18

🌅 6:29 a.m.

H: 75°F – 90°F

L: 47°F – 58°F

🌇 8:31 p.m.

Tue. August 19

🌅 6:31 a.m.

H: 75°F – 90°F

L: 47°F – 57°F

🌇 8:29 p.m.

Wed. August 20

🌅 6:32 a.m.

H: 74°F – 90°F

L: 47°F – 57°F

🌇 8:27 p.m.

Thu. August 21

🌅 6:33 a.m.

H: 74°F – 90°F

L: 46°F – 57°F

🌇 8:25 p.m.

Fri. August 22

🌅 6:35 a.m.

H: 74°F – 89°F

L: 46°F – 57°F

🌇 8:24 p.m.

Sat. August 23

🌅 6:36 a.m.

H: 73°F – 89°F

L: 46°F – 57°F

🌇 8:22 p.m.

Sun. August 24

🌅 6:37 a.m.

H: 73°F – 89°F

L: 46°F – 57°F

🌇 8:20 p.m.

Mon. August 25

🌅 6:38 a.m.

H: 72°F – 88°F

L: 45°F – 56°F

🌇 8:18 p.m.

Tue. August 26

🌅 6:40 a.m.

H: 72°F – 88°F

L: 45°F – 56°F

🌇 8:16 p.m.

Wed. August 27

🌅 6:41 a.m.

H: 71°F – 88°F

L: 45°F – 56°F

🌇 8:14 p.m.

Thu. August 28

🌅 6:42 a.m.

H: 71°F – 87°F

L: 45°F – 56°F

🌇 8:13 p.m.

Fri. August 29

🌅 6:44 a.m.

H: 70°F – 87°F

L: 44°F – 56°F

🌇 8:11 p.m.

Sat. August 30

🌅 6:45 a.m.

H: 69°F – 87°F

L: 44°F – 55°F

🌇 8:09 p.m.

Sun. August 31

🌅 6:46 a.m.

H: 69°F – 86°F

L: 44°F – 55°F

🌇 8:07 p.m.

July September

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

Temperature climatic data from weather station: CANYON FERRY DAM (USC00241470)

Precipitation climatic data from weather station: CANYON FERRY DAM (USC00241470)

Agricultural climatic data from weather station: CANYON FERRY DAM (USC00241470)