Climate Insights for Abingdon

Mellette County, Illinois, United States

Hottest
July
30°C peak
Coldest
January
-6°C low
Wettest
May
131mm rain
Best to Visit
August, September
Mild temps & low rain

Climate Overview

The climate in Abingdon is temperate. The average annual temperature is 12°C and approximately 1071mm of precipitation falls per year. Abingdon receives a notable amount of rainfall throughout the year, including during its driest month. Abingdon 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 -6°C. Snowfall occurs from January to December, with around 83cm accumulating over the season.

Temperature

-10° 10° 20° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 1° Average: -3° Min: -6° Feb Max: 5° Average: 0° Min: -4° Mar Max: 11° Average: 5° Min: 1° Apr Max: 17° Average: 11° Min: 6° May Max: 23° Average: 18° Min: 13° Jun Max: 29° Average: 24° Min: 19° Jul Max: 30° Average: 25° Min: 20° Aug Max: 29° Average: 24° Min: 19° Sep Max: 27° Average: 21° Min: 16° Oct Max: 18° Average: 13° Min: 8° Nov Max: 10° Average: 5° Min: 1° Dec Max: 4° Average: 0° Min: -4°
Max
Average
Min

Abingdon has a wide annual temperature range, spanning 36°C from the coldest to warmest months. The warmest month is July, when average highs reach 30°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -3°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 8°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: 57mm Snow: 21mm Feb Precipitation: 64mm Snow: 18mm Mar Precipitation: 111mm Snow: 10mm Apr Precipitation: 113mm Snow: 8mm May Precipitation: 131mm Snow: 0mm Jun Precipitation: 127mm Snow: 0mm Jul Precipitation: 76mm Snow: 0mm Aug Precipitation: 85mm Snow: 0mm Sep Precipitation: 94mm Snow: 0mm Oct Precipitation: 106mm Snow: 6mm Nov Precipitation: 57mm Snow: 10mm Dec Precipitation: 50mm Snow: 10mm
Precipitation
Snow

Abingdon is a moderately rainy area, receiving approximately 1071mm of precipitation annually, which averages out to around 89mm per month. The wettest month is May, averaging 131mm of rainfall. June and April also tend to see above-average precipitation. The driest month is December, with just 50mm. That's 81mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 83cm accumulating over the season. January typically sees the most snow at around 21cm.

Wind

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

Abingdon is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

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

6 days until Summer

It is currently spring in Abingdon, which began on March 20, 2026. Abingdon 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 30°C, while the coldest stretch bottoms out in January near -6°C. Summer is next, beginning on June 21, 2026 — 6 days from now.

Spring

Temperatures range from 1 to 23°C. Rainfall is heavy, totalling around 355mm across the season with a monthly average of 118mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 19 to 30°C. Precipitation is moderate at around 289mm for the season, averaging 96mm per month. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 1 to 27°C. Precipitation is moderate at around 257mm for the season, averaging 86mm per month. Expect around 17cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -6 to 5°C. Precipitation is moderate at around 171mm for the season, averaging 57mm per month. Expect around 48cm 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
Mar
Apr 11°
May 18°
Jun 24°
Jul 25°
Aug 24°
Sep 21°
Oct 13°
Nov
Dec

The best time to visit Abingdon is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 90mm per month. By contrast, July can be uncomfortably hot with highs reaching 30°C, while January is the coldest period with lows 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 Abingdon 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
1 °C
4 km/h
57 mm
21 cm
Feb
-4 °C
5 °C
4 km/h
64 mm
18 cm
Mar
1 °C
11 °C
4 km/h
111 mm
10 cm
Apr
6 °C
17 °C
4 km/h
113 mm
8 cm
May
13 °C
23 °C
4 km/h
131 mm
0 cm
Jun Current
19 °C
29 °C
3 km/h
127 mm
0 cm
Jul
20 °C
30 °C
3 km/h
76 mm
0 cm
Aug
19 °C
29 °C
3 km/h
85 mm
0 cm
Sep
16 °C
27 °C
3 km/h
94 mm
0 cm
Oct
8 °C
18 °C
4 km/h
106 mm
6 cm
Nov
1 °C
10 °C
4 km/h
57 mm
10 cm
Dec
-4 °C
4 °C
4 km/h
50 mm
10 cm
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