Climate Insights for Bollweg Farm Airport

Sully County, South Dakota, United States

Hottest
Luglio
31°C peak
Coldest
Gennaio
-12°C low
Wettest
Maggio
78mm rain
Best to Visit
Giugno, Luglio, Agosto
Mild temps & low rain

Climate Overview

The climate in Bollweg Farm Airport is cool. The average annual temperature is 8°C and approximately 519mm of precipitation falls per year. Maggio is the wettest month, receiving around 78mm of rainfall. Bollweg Farm Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: Luglio, Agosto, Giugno. The coldest months are Gennaio, Febbraio, Dicembre, when temperatures can drop to -12°C. Snowfall occurs from January to December, with around 73cm accumulating over the season.

Temperature

-20° -10° 10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: -2° Average: -8° Min: -12° Feb Max: 0° Average: -7° Min: -11° Mar Max: 8° Average: 1° Min: -4° Apr Max: 14° Average: 7° Min: 1° May Max: 21° Average: 15° Min: 9° Jun Max: 29° Average: 22° Min: 16° Jul Max: 31° Average: 24° Min: 18° Aug Max: 30° Average: 23° Min: 17° Sep Max: 26° Average: 19° Min: 13° Oct Max: 16° Average: 9° Min: 4° Nov Max: 8° Average: 2° Min: -3° Dec Max: 0° Average: -5° Min: -9°
Max
Average
Min

Bollweg Farm Airport has a wide annual temperature range, spanning 43°C from the coldest to warmest months. The warmest month is Luglio, when average highs reach 31°C and the mean temperature sits around 24°C. The coldest month is Gennaio, when overnight lows fall to -12°C and the daily average is -8°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 11mm Snow: 8mm Feb Precipitation: 17mm Snow: 11mm Mar Precipitation: 28mm Snow: 15mm Apr Precipitation: 60mm Snow: 11mm May Precipitation: 78mm Snow: 0mm Jun Precipitation: 63mm Snow: 0mm Jul Precipitation: 75mm Snow: 0mm Aug Precipitation: 55mm Snow: 0mm Sep Precipitation: 44mm Snow: 0mm Oct Precipitation: 40mm Snow: 4mm Nov Precipitation: 18mm Snow: 5mm Dec Precipitation: 30mm Snow: 18mm
Precipitation
Snow

Bollweg Farm Airport is a relatively dry area, receiving approximately 519mm of precipitation annually, which averages out to around 43mm per month. The wettest month is May, averaging 78mm of rainfall. July and June also tend to see above-average precipitation. The driest month is January, with just 11mm. That's 68mm 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 73cm accumulating over the season. December typically sees the most snow at around 18cm.

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: 24km/h Feb Wind Speed: 24km/h Mar Wind Speed: 27km/h Apr Wind Speed: 29km/h May Wind Speed: 26km/h Jun Wind Speed: 25km/h Jul Wind Speed: 23km/h Aug Wind Speed: 24km/h Sep Wind Speed: 25km/h Oct Wind Speed: 26km/h Nov Wind Speed: 24km/h Dec Wind Speed: 25km/h
Wind Speed

Bollweg Farm Airport is moderately windy, with an average annual wind speed of 25km/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 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 23km/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

1 day until Spring

It is currently winter in Bollweg Farm Airport, which began on December 21, 2026. Bollweg Farm 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 Luglio at around 31°C, while the coldest stretch bottoms out in Gennaio near -12°C. Spring is next, beginning on March 20, 2026 — 1 days from now.

Spring

Temperatures range from -4 to 21°C. Precipitation is moderate at around 167mm for the season, averaging 56mm per month. Winds are strong, averaging 27km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 16 to 31°C. Precipitation is moderate at around 193mm for the season, averaging 64mm per month. Winds are moderate at around 24km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from -3 to 26°C. Rainfall is relatively light, with around 101mm over the season and a monthly average of 34mm. Expect around 10cm of snow accumulation during this period. Winds are strong, averaging 25km/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 57mm over the season and a monthly average of 19mm. Expect around 37cm of snow accumulation during this period. Winds are moderate at around 24km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.

Best Time to Visit

Jan -8°
Feb -7°
Mar
Apr
May 15°
Jun 22°
Jul 24°
Aug 23°
Sep 19°
Oct
Nov
Dec -5°

The best time to visit Bollweg Farm Airport is during Giugno, Luglio, Agosto and Settembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 59mm per month. By contrast, Gennaio can be quite cold with temperatures dropping to -12°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 Bollweg Farm 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
-12 °C
-2 °C
24 km/h
11 mm
8 cm
Feb
-11 °C
0 °C
24 km/h
17 mm
11 cm
Mar Current
-4 °C
8 °C
27 km/h
28 mm
15 cm
Apr
1 °C
14 °C
29 km/h
60 mm
11 cm
May
9 °C
21 °C
26 km/h
78 mm
0 cm
Jun
16 °C
29 °C
25 km/h
63 mm
0 cm
Jul
18 °C
31 °C
23 km/h
75 mm
0 cm
Aug
17 °C
30 °C
24 km/h
55 mm
0 cm
Sep
13 °C
26 °C
25 km/h
44 mm
0 cm
Oct
4 °C
16 °C
26 km/h
40 mm
4 cm
Nov
-3 °C
8 °C
24 km/h
18 mm
5 cm
Dec
-9 °C
0 °C
25 km/h
30 mm
18 cm
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Metric (°C, km/h)