Climate Insights for Campbell Airport

Sweet Grass County, Illinois, United States

Hottest
Luglio
27°C peak
Coldest
Gennaio
-6°C low
Wettest
Maggio
124mm rain
Best to Visit
Giugno, Luglio, Agosto
Mild temps & low rain

Climate Overview

The climate in Campbell Airport is temperate. The average annual temperature is 10°C and approximately 1010mm of precipitation falls per year. Campbell Airport receives a notable amount of rainfall throughout the year, including during its driest month. Campbell 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 -6°C. Snowfall occurs from January to December, with around 76cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 0° Average: -3° Min: -6° Feb Max: 2° Average: -2° Min: -5° Mar Max: 7° Average: 3° Min: 0° Apr Max: 13° Average: 8° Min: 5° May Max: 19° Average: 14° Min: 11° Jun Max: 24° Average: 20° Min: 17° Jul Max: 27° Average: 23° Min: 19° Aug Max: 26° Average: 22° Min: 19° Sep Max: 24° Average: 19° Min: 16° Oct Max: 17° Average: 13° Min: 9° Nov Max: 9° Average: 5° Min: 3° Dec Max: 4° Average: 1° Min: -2°
Max
Average
Min

Temperatures in Campbell Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is Luglio, when average highs reach 27°C and the mean temperature sits around 23°C. The coldest month is Gennaio, when overnight lows fall to -6°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°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: 66mm Snow: 25mm Feb Precipitation: 53mm Snow: 17mm Mar Precipitation: 82mm Snow: 9mm Apr Precipitation: 114mm Snow: 6mm May Precipitation: 124mm Snow: 0mm Jun Precipitation: 93mm Snow: 0mm Jul Precipitation: 90mm Snow: 0mm Aug Precipitation: 79mm Snow: 0mm Sep Precipitation: 78mm Snow: 0mm Oct Precipitation: 102mm Snow: 1mm Nov Precipitation: 61mm Snow: 7mm Dec Precipitation: 68mm Snow: 11mm
Precipitation
Snow

Campbell Airport is a moderately rainy area, receiving approximately 1010mm of precipitation annually, which averages out to around 84mm per month. The wettest month is May, averaging 124mm of rainfall. April and October also tend to see above-average precipitation. The driest month is February, with just 53mm. That's 71mm less than May, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 76cm accumulating over the season. January typically sees the most snow at around 25cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 22km/h Feb Wind Speed: 24km/h Mar Wind Speed: 23km/h Apr Wind Speed: 23km/h May Wind Speed: 20km/h Jun Wind Speed: 19km/h Jul Wind Speed: 17km/h Aug Wind Speed: 16km/h Sep Wind Speed: 19km/h Oct Wind Speed: 23km/h Nov Wind Speed: 23km/h Dec Wind Speed: 23km/h
Wind Speed

Campbell Airport is moderately windy, with an average annual wind speed of 21km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap 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 23km/h in winter, 22km/h in spring, 17km/h in summer, 22km/h in autumn.

Seasons

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

92 days until Summer

It is currently spring in Campbell Airport, which began on March 20, 2026. Campbell 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 27°C, while the coldest stretch bottoms out in Gennaio near -6°C. Summer is next, beginning on June 21, 2026 — 92 days from now.

Spring

Temperatures range from 0 to 19°C. Rainfall is heavy, totalling around 320mm across the season with a monthly average of 107mm. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 17 to 27°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 3 to 24°C. Precipitation is moderate at around 241mm for the season, averaging 80mm per month. Expect around 8cm of snow accumulation during this period. Winds are moderate at around 22km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -6 to 4°C. Precipitation is moderate at around 187mm for the season, averaging 62mm per month. Expect around 53cm of snow accumulation during this period. Winds are moderate at around 23km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -3°
Feb -2°
Mar
Apr
May 14°
Jun 20°
Jul 23°
Aug 22°
Sep 19°
Oct 13°
Nov
Dec

The best time to visit Campbell Airport is during Giugno, Luglio, Agosto and Settembre, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 85mm per month. By contrast, Gennaio can be quite cold with temperatures dropping to -6°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 Campbell 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
-6 °C
0 °C
22 km/h
66 mm
25 cm
Feb
-5 °C
2 °C
24 km/h
53 mm
17 cm
Mar Current
0 °C
7 °C
23 km/h
82 mm
9 cm
Apr
5 °C
13 °C
23 km/h
114 mm
6 cm
May
11 °C
19 °C
20 km/h
124 mm
0 cm
Jun
17 °C
24 °C
19 km/h
93 mm
0 cm
Jul
19 °C
27 °C
17 km/h
90 mm
0 cm
Aug
19 °C
26 °C
16 km/h
79 mm
0 cm
Sep
16 °C
24 °C
19 km/h
78 mm
0 cm
Oct
9 °C
17 °C
23 km/h
102 mm
1 cm
Nov
3 °C
9 °C
23 km/h
61 mm
7 cm
Dec
-2 °C
4 °C
23 km/h
68 mm
11 cm
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Metric (°C, km/h)