Climate Insights for Heinrich Airstrip

Pennington County, South Dakota, United States

Hottest
July
32°C peak
Coldest
February
-8°C low
Wettest
May
89mm rain
Best to Visit
June, July, August
Mild temps & low rain

Climate Overview

The climate in Heinrich Airstrip is cool. The average annual temperature is 9°C and approximately 454mm of precipitation falls per year. May is the wettest month, receiving around 89mm of rainfall. Heinrich Airstrip is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -8°C. Snowfall occurs from January to December, with around 76cm accumulating over the season.

Temperature

-10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 3° Average: -3° Min: -8° Feb Max: 4° Average: -3° Min: -8° Mar Max: 11° Average: 3° Min: -3° Apr Max: 15° Average: 7° Min: 1° May Max: 21° Average: 14° Min: 8° Jun Max: 29° Average: 21° Min: 15° Jul Max: 32° Average: 24° Min: 17° Aug Max: 31° Average: 23° Min: 16° Sep Max: 27° Average: 19° Min: 12° Oct Max: 17° Average: 9° Min: 4° Nov Max: 11° Average: 3° Min: -2° Dec Max: 4° Average: -3° Min: -7°
Max
Average
Min

Heinrich Airstrip has a wide annual temperature range, spanning 40°C from the coldest to warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 24°C. The coldest month is February, when overnight lows fall to -8°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 13°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 11mm Snow: 7mm Feb Precipitation: 15mm Snow: 10mm Mar Precipitation: 33mm Snow: 16mm Apr Precipitation: 61mm Snow: 15mm May Precipitation: 89mm Snow: 4mm Jun Precipitation: 54mm Snow: 0mm Jul Precipitation: 55mm Snow: 0mm Aug Precipitation: 37mm Snow: 0mm Sep Precipitation: 29mm Snow: 0mm Oct Precipitation: 34mm Snow: 3mm Nov Precipitation: 13mm Snow: 6mm Dec Precipitation: 23mm Snow: 15mm
Precipitation
Snow

Heinrich Airstrip is a relatively dry area, receiving approximately 454mm of precipitation annually, which averages out to around 38mm per month. The wettest month is May, averaging 89mm of rainfall. April and July also tend to see above-average precipitation. The driest month is January, with just 11mm. That's 78mm less than May, 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 76cm accumulating over the season. March typically sees the most snow at around 16cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 23km/h Mar Wind Speed: 24km/h Apr Wind Speed: 27km/h May Wind Speed: 25km/h Jun Wind Speed: 23km/h Jul Wind Speed: 22km/h Aug Wind Speed: 22km/h Sep Wind Speed: 23km/h Oct Wind Speed: 24km/h Nov Wind Speed: 23km/h Dec Wind Speed: 23km/h
Wind Speed

Heinrich Airstrip is moderately windy, with an average annual wind speed of 23km/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 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in January, with average winds dropping to 21km/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.

Seasons

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

82 days until Summer

It is currently spring in Heinrich Airstrip, which began on March 20, 2026. Heinrich Airstrip 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 32°C, while the coldest stretch bottoms out in February near -8°C. Summer is next, beginning on June 21, 2026 — 82 days from now.

Spring

Temperatures range from -3 to 21°C. Precipitation is moderate at around 182mm for the season, averaging 61mm per month. Winds are strong, averaging 25km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 15 to 32°C. Rainfall is relatively light, with around 146mm over the season and a monthly average of 49mm. Winds are moderate at around 22km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from -2 to 27°C. Rainfall is relatively light, with around 76mm over the season and a monthly average of 25mm. Expect around 9cm of snow accumulation during this period. Winds are moderate at around 23km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -8 to 4°C. Rainfall is relatively light, with around 49mm over the season and a monthly average of 16mm. Expect around 32cm of snow accumulation during this period. Winds are moderate at around 22km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -3°
Feb -3°
Mar
Apr
May 14°
Jun 21°
Jul 24°
Aug 23°
Sep 19°
Oct
Nov
Dec -3°

The best time to visit Heinrich Airstrip is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 44mm per month. By contrast, February can be quite cold with temperatures dropping to -8°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Heinrich Airstrip 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
-8 °C
3 °C
21 km/h
11 mm
7 cm
Feb
-8 °C
4 °C
23 km/h
15 mm
10 cm
Mar Current
-3 °C
11 °C
24 km/h
33 mm
16 cm
Apr
1 °C
15 °C
27 km/h
61 mm
15 cm
May
8 °C
21 °C
25 km/h
89 mm
4 cm
Jun
15 °C
29 °C
23 km/h
54 mm
0 cm
Jul
17 °C
32 °C
22 km/h
55 mm
0 cm
Aug
16 °C
31 °C
22 km/h
37 mm
0 cm
Sep
12 °C
27 °C
23 km/h
29 mm
0 cm
Oct
4 °C
17 °C
24 km/h
34 mm
3 cm
Nov
-2 °C
11 °C
23 km/h
13 mm
6 cm
Dec
-7 °C
4 °C
23 km/h
23 mm
15 cm
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Metric (°C, km/h)