Climate Insights for Rockerville Airport

Pennington County, South Dakota, United States

Hottest
July
29°C peak
Coldest
February
-9°C low
Wettest
July
107mm rain
Best to Visit
June, August, September
Mild temps & low rain

Climate Overview

The climate in Rockerville Airport is cool. The average annual temperature is 8°C and approximately 660mm of precipitation falls per year. July is the wettest month, receiving around 107mm of rainfall. Rockerville Airport 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 -9°C. Snowfall occurs from January to December, with around 185cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 2° Average: -3° Min: -8° Feb Max: 2° Average: -4° Min: -9° Mar Max: 9° Average: 2° Min: -3° Apr Max: 13° Average: 6° Min: 0° May Max: 18° Average: 11° Min: 6° Jun Max: 26° Average: 19° Min: 12° Jul Max: 29° Average: 22° Min: 15° Aug Max: 27° Average: 20° Min: 13° Sep Max: 23° Average: 15° Min: 9° Oct Max: 14° Average: 7° Min: 1° Nov Max: 9° Average: 2° Min: -2° Dec Max: 3° Average: -3° Min: -7°
Max
Average
Min

Rockerville Airport has a wide annual temperature range, spanning 38°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 22°C. The coldest month is February, when overnight lows fall to -9°C and the daily average is -4°C. On average, daily temperatures fluctuate by about 12°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: 17mm Snow: 15mm Feb Precipitation: 29mm Snow: 25mm Mar Precipitation: 46mm Snow: 29mm Apr Precipitation: 80mm Snow: 41mm May Precipitation: 101mm Snow: 14mm Jun Precipitation: 78mm Snow: 0mm Jul Precipitation: 107mm Snow: 0mm Aug Precipitation: 67mm Snow: 0mm Sep Precipitation: 51mm Snow: 2mm Oct Precipitation: 36mm Snow: 17mm Nov Precipitation: 21mm Snow: 16mm Dec Precipitation: 28mm Snow: 25mm
Precipitation
Snow

Rockerville Airport is a relatively dry area, receiving approximately 660mm of precipitation annually, which averages out to around 55mm per month. The wettest month is July, averaging 107mm of rainfall. May and April also tend to see above-average precipitation. The driest month is January, with just 17mm. That's 90mm less than July, 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 185cm accumulating over the season. April typically sees the most snow at around 41cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 4km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 3km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Rockerville Airport is relatively calm, with an average annual wind speed of 3km/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 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

Seasons

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

75 days until Autumn

It is currently summer in Rockerville Airport, which began on June 21, 2026. Rockerville Airport 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 February near -9°C. Autumn is next, beginning on September 23, 2026 — 75 days from now.

Spring

Temperatures range from -3 to 18°C. Precipitation is moderate at around 226mm for the season, averaging 75mm per month. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 12 to 29°C. Precipitation is moderate at around 252mm for the season, averaging 84mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from -2 to 23°C. Rainfall is relatively light, with around 108mm over the season and a monthly average of 36mm. Expect around 36cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from -9 to 3°C. Rainfall is relatively light, with around 73mm over the season and a monthly average of 24mm. Expect around 65cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -3°
Feb -4°
Mar
Apr
May 11°
Jun 19°
Jul 22°
Aug 20°
Sep 15°
Oct
Nov
Dec -3°

The best time to visit Rockerville Airport is during June, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 65mm per month. By contrast, July can be uncomfortably hot with highs reaching 29°C, while February is the coldest period with lows dropping to -9°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 Rockerville Airport 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
2 °C
3 km/h
17 mm
15 cm
Feb
-9 °C
2 °C
4 km/h
29 mm
25 cm
Mar
-3 °C
9 °C
4 km/h
46 mm
29 cm
Apr
0 °C
13 °C
4 km/h
80 mm
41 cm
May
6 °C
18 °C
3 km/h
101 mm
14 cm
Jun
12 °C
26 °C
3 km/h
78 mm
0 cm
Jul Current
15 °C
29 °C
3 km/h
107 mm
0 cm
Aug
13 °C
27 °C
3 km/h
67 mm
0 cm
Sep
9 °C
23 °C
3 km/h
51 mm
2 cm
Oct
1 °C
14 °C
4 km/h
36 mm
17 cm
Nov
-2 °C
9 °C
4 km/h
21 mm
16 cm
Dec
-7 °C
3 °C
4 km/h
28 mm
25 cm
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