Weather Almanac: Groton, SD 57445

🗓️ Historical norms for August 2026

August avg. precipitation
🌧️ 2.41"
August days below freezing
📉 ≈0.0 days
Average August lows ≈58.5°F
USDA Zone
4a
Annual extreme lows -30°F to -25°F
Last Spring Frost (36°F)
🌷 May 26
First Fall Frost (36°F)
🍂 Sep 10
Sat. August 1  

🌅 6:16 a.m.

H: ≈83.1°F

L: ≈60.9°F

🌇 9:00 p.m.

Sun. August 2  

🌅 6:17 a.m.

H: ≈83.1°F

L: ≈60.9°F

🌇 8:58 p.m.

Mon. August 3  

🌅 6:19 a.m.

H: ≈83.1°F

L: ≈60.8°F

🌇 8:57 p.m.

Tue. August 4  

🌅 6:20 a.m.

H: ≈83.1°F

L: ≈60.7°F

🌇 8:56 p.m.

Wed. August 5  

🌅 6:21 a.m.

H: ≈83.0°F

L: ≈60.6°F

🌇 8:54 p.m.

Thu. August 6  

🌅 6:22 a.m.

H: ≈83.0°F

L: ≈60.5°F

🌇 8:53 p.m.

Fri. August 7  

🌅 6:23 a.m.

H: ≈82.9°F

L: ≈60.4°F

🌇 8:51 p.m.

Sat. August 8  

🌅 6:24 a.m.

H: ≈82.9°F

L: ≈60.2°F

🌇 8:50 p.m.

Sun. August 9  

🌅 6:26 a.m.

H: ≈82.8°F

L: ≈60.1°F

🌇 8:48 p.m.

Mon. August 10  

🌅 6:27 a.m.

H: ≈82.7°F

L: ≈60.0°F

🌇 8:47 p.m.

Tue. August 11  

🌅 6:28 a.m.

H: ≈82.6°F

L: ≈59.8°F

🌇 8:45 p.m.

Wed. August 12  

🌅 6:29 a.m.

H: ≈82.5°F

L: ≈59.7°F

🌇 8:44 p.m.

Thu. August 13  

🌅 6:31 a.m.

H: ≈82.4°F

L: ≈59.5°F

🌇 8:42 p.m.

Fri. August 14  

🌅 6:32 a.m.

H: ≈82.3°F

L: ≈59.3°F

🌇 8:41 p.m.

Sat. August 15  

🌅 6:33 a.m.

H: ≈82.2°F

L: ≈59.1°F

🌇 8:39 p.m.

Sun. August 16  

🌅 6:34 a.m.

H: ≈82.1°F

L: ≈58.9°F

🌇 8:37 p.m.

Mon. August 17  

🌅 6:35 a.m.

H: ≈81.9°F

L: ≈58.7°F

🌇 8:36 p.m.

Tue. August 18  

🌅 6:37 a.m.

H: ≈81.8°F

L: ≈58.5°F

🌇 8:34 p.m.

Wed. August 19  

🌅 6:38 a.m.

H: ≈81.6°F

L: ≈58.2°F

🌇 8:32 p.m.

Thu. August 20  

🌅 6:39 a.m.

H: ≈81.4°F

L: ≈58.0°F

🌇 8:31 p.m.

Fri. August 21  

🌅 6:40 a.m.

H: ≈81.2°F

L: ≈57.7°F

🌇 8:29 p.m.

Sat. August 22  

🌅 6:41 a.m.

H: ≈81.0°F

L: ≈57.5°F

🌇 8:27 p.m.

Sun. August 23  

🌅 6:43 a.m.

H: ≈80.7°F

L: ≈57.2°F

🌇 8:26 p.m.

Mon. August 24  

🌅 6:44 a.m.

H: ≈80.5°F

L: ≈56.9°F

🌇 8:24 p.m.

Tue. August 25  

🌅 6:45 a.m.

H: ≈80.2°F

L: ≈56.6°F

🌇 8:22 p.m.

Wed. August 26  

🌅 6:46 a.m.

H: ≈80.0°F

L: ≈56.3°F

🌇 8:20 p.m.

Thu. August 27 🌕

🌅 6:48 a.m.

H: ≈79.7°F

L: ≈56.0°F

🌇 8:18 p.m.

Fri. August 28  

🌅 6:49 a.m.

H: ≈79.4°F

L: ≈55.7°F

🌇 8:17 p.m.

Sat. August 29  

🌅 6:50 a.m.

H: ≈79.1°F

L: ≈55.3°F

🌇 8:15 p.m.

Sun. August 30  

🌅 6:51 a.m.

H: ≈78.8°F

L: ≈55.0°F

🌇 8:13 p.m.

Mon. August 31  

🌅 6:52 a.m.

H: ≈78.4°F

L: ≈54.6°F

🌇 8:11 p.m.


Temperature climatic data from weather station: ANDOVER #2 (USC00390120)

Precipitation climatic data from weather station: GROTON (USC00393456)

Agricultural climatic data from weather station: ABERDEEN (USW00014929)