Climate Insights for Andalusia

Sheridan County, Illinois, United States

Hottest
July
29°C peak
Coldest
January
-8°C low
Wettest
May
124mm rain
Best to Visit
July, August, September
Mild temps & low rain

Climate Overview

The climate in Andalusia is temperate. The average annual temperature is 11°C and approximately 974mm of precipitation falls per year. Andalusia receives a notable amount of rainfall throughout the year, including during its driest month. Andalusia 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 -8°C. Snowfall occurs from January to December, with around 85cm 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: -4° Min: -8° Feb Max: 3° Average: -2° Min: -6° Mar Max: 11° Average: 5° Min: 1° Apr Max: 17° Average: 10° Min: 6° May Max: 23° Average: 17° Min: 12° Jun Max: 29° Average: 23° Min: 18° Jul Max: 29° Average: 25° Min: 20° Aug Max: 28° Average: 23° Min: 18° Sep Max: 26° Average: 20° Min: 15° Oct Max: 19° Average: 13° Min: 8° Nov Max: 10° Average: 5° Min: 1° Dec Max: 4° Average: -1° Min: -4°
Max
Average
Min

Andalusia has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 29°C and the mean temperature sits around 25°C. The coldest month is January, when overnight lows fall to -8°C and the daily average is -4°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, 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: 53mm Snow: 27mm Feb Precipitation: 49mm Snow: 18mm Mar Precipitation: 92mm Snow: 13mm Apr Precipitation: 107mm Snow: 4mm May Precipitation: 124mm Snow: 0mm Jun Precipitation: 111mm Snow: 0mm Jul Precipitation: 83mm Snow: 0mm Aug Precipitation: 80mm Snow: 0mm Sep Precipitation: 80mm Snow: 0mm Oct Precipitation: 92mm Snow: 2mm Nov Precipitation: 51mm Snow: 9mm Dec Precipitation: 52mm Snow: 12mm
Precipitation
Snow

Andalusia is a moderately rainy area, receiving approximately 974mm of precipitation annually, which averages out to around 81mm per month. The wettest month is May, averaging 124mm of rainfall. June and April also tend to see above-average precipitation. The driest month is February, with just 49mm. That's 75mm 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 85cm accumulating over the season. January typically sees the most snow at around 27cm.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 15km/h Mar Wind Speed: 16km/h Apr Wind Speed: 16km/h May Wind Speed: 13km/h Jun Wind Speed: 12km/h Jul Wind Speed: 10km/h Aug Wind Speed: 11km/h Sep Wind Speed: 12km/h Oct Wind Speed: 14km/h Nov Wind Speed: 15km/h Dec Wind Speed: 14km/h
Wind Speed

Andalusia is mildly breezy, with an average annual wind speed of 13km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/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 14km/h in winter, 15km/h in spring, 11km/h in summer, 14km/h in autumn.

Seasons

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

7 days until Autumn

It is currently summer in Andalusia, which began on June 21, 2026. Andalusia 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 January near -8°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 1 to 23°C. Rainfall is heavy, totalling around 322mm across the season with a monthly average of 107mm. Winds are generally light, averaging 15km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 18 to 29°C. Precipitation is moderate at around 274mm for the season, averaging 91mm per month. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 1 to 26°C. Precipitation is moderate at around 222mm for the season, averaging 74mm per month. Expect around 11cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from -8 to 4°C. Precipitation is moderate at around 155mm for the season, averaging 52mm per month. Expect around 57cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Best Time to Visit

Jan -4°
Feb -2°
Mar
Apr 10°
May 17°
Jun 23°
Jul 25°
Aug 23°
Sep 20°
Oct 13°
Nov
Dec -1°

The best time to visit Andalusia is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 81mm per month. By contrast, January can be quite cold with temperatures dropping to -8°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 Andalusia 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
0 °C
14 km/h
53 mm
27 cm
Feb
-6 °C
3 °C
15 km/h
49 mm
18 cm
Mar
1 °C
11 °C
16 km/h
92 mm
13 cm
Apr
6 °C
17 °C
16 km/h
107 mm
4 cm
May
12 °C
23 °C
13 km/h
124 mm
0 cm
Jun
18 °C
29 °C
12 km/h
111 mm
0 cm
Jul
20 °C
29 °C
10 km/h
83 mm
0 cm
Aug
18 °C
28 °C
11 km/h
80 mm
0 cm
Sep Current
15 °C
26 °C
12 km/h
80 mm
0 cm
Oct
8 °C
19 °C
14 km/h
92 mm
2 cm
Nov
1 °C
10 °C
15 km/h
51 mm
9 cm
Dec
-4 °C
4 °C
14 km/h
52 mm
12 cm
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Metric (°C, km/h)