Climate Insights for Brookings

Crook County, South Dakota, United States

Hottest
July
29°C peak
Coldest
January
-12°C low
Wettest
August
108mm rain
Best to Visit
July, September
Mild temps & low rain

Climate Overview

The climate in Brookings is cool. The average annual temperature is 8°C and approximately 748mm of precipitation falls per year. August is the wettest month, receiving around 108mm of rainfall. Brookings is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -12°C. Snowfall occurs from January to December, with around 119cm accumulating over the season.

Temperature

-20° -10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -4° Average: -9° Min: -12° Feb Max: -2° Average: -7° Min: -12° Mar Max: 6° Average: 0° Min: -4° Apr Max: 13° Average: 7° Min: 1° May Max: 21° Average: 15° Min: 9° Jun Max: 28° Average: 22° Min: 16° Jul Max: 29° Average: 23° Min: 18° Aug Max: 27° Average: 21° Min: 16° Sep Max: 24° Average: 18° Min: 13° Oct Max: 15° Average: 9° Min: 4° Nov Max: 7° Average: 1° Min: -3° Dec Max: 0° Average: -5° Min: -9°
Max
Average
Min

Brookings has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -12°C and the daily average is -9°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 9°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 19mm Snow: 17mm Feb Precipitation: 20mm Snow: 17mm Mar Precipitation: 45mm Snow: 24mm Apr Precipitation: 77mm Snow: 19mm May Precipitation: 95mm Snow: 3mm Jun Precipitation: 106mm Snow: 0mm Jul Precipitation: 84mm Snow: 0mm Aug Precipitation: 108mm Snow: 0mm Sep Precipitation: 68mm Snow: 0mm Oct Precipitation: 55mm Snow: 4mm Nov Precipitation: 37mm Snow: 13mm Dec Precipitation: 35mm Snow: 22mm
Precipitation
Snow

Brookings is a relatively dry area, receiving approximately 748mm of precipitation annually, which averages out to around 62mm per month. The wettest month is August, averaging 108mm of rainfall. June and May also tend to see above-average precipitation. The driest month is January, with just 19mm. That's 89mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 119cm accumulating over the season. March typically sees the most snow at around 24cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 16km/h Feb Wind Speed: 17km/h Mar Wind Speed: 18km/h Apr Wind Speed: 19km/h May Wind Speed: 16km/h Jun Wind Speed: 15km/h Jul Wind Speed: 13km/h Aug Wind Speed: 14km/h Sep Wind Speed: 16km/h Oct Wind Speed: 18km/h Nov Wind Speed: 16km/h Dec Wind Speed: 17km/h
Wind Speed

Brookings is mildly breezy, with an average annual wind speed of 16km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 17km/h in winter, 17km/h in spring, 14km/h in summer, 17km/h in autumn.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

7 days until Autumn

It is currently summer in Brookings, which began on June 21, 2026. Brookings is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 29°C, while the coldest stretch bottoms out in January near -12°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from -4 to 21°C. Precipitation is moderate at around 217mm for the season, averaging 72mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 16 to 29°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from -3 to 24°C. Precipitation is moderate at around 159mm for the season, averaging 53mm per month. Expect around 17cm of snow accumulation during this period. Winds are moderate at around 17km/h. Layered clothing works best as temperatures gradually cool. Enjoy the crisp air and changing scenery.

Winter

Temperatures range from -12 to 0°C. Rainfall is relatively light, with around 74mm over the season and a monthly average of 25mm. Expect around 57cm of snow accumulation during this period. Winds are moderate at around 17km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.

Best Time to Visit

Jan -9°
Feb -7°
Mar
Apr
May 15°
Jun 22°
Jul 23°
Aug 21°
Sep 18°
Oct
Nov
Dec -5°

The best time to visit Brookings is during July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 76mm per month. By contrast, January can be quite cold with temperatures dropping to -12°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Brookings based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
-12 °C
-4 °C
16 km/h
19 mm
17 cm
Feb
-12 °C
-2 °C
17 km/h
20 mm
17 cm
Mar
-4 °C
6 °C
18 km/h
45 mm
24 cm
Apr
1 °C
13 °C
19 km/h
77 mm
19 cm
May
9 °C
21 °C
16 km/h
95 mm
3 cm
Jun
16 °C
28 °C
15 km/h
106 mm
0 cm
Jul
18 °C
29 °C
13 km/h
84 mm
0 cm
Aug
16 °C
27 °C
14 km/h
108 mm
0 cm
Sep Current
13 °C
24 °C
16 km/h
68 mm
0 cm
Oct
4 °C
15 °C
18 km/h
55 mm
4 cm
Nov
-3 °C
7 °C
16 km/h
37 mm
13 cm
Dec
-9 °C
0 °C
17 km/h
35 mm
22 cm
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Metric (°C, km/h)