Best year time to visit Illinois Grove

General weather information about Illinois Grove

Average annual temperature is 10.8 °C

Absolute maximum temperature: 37.7 °C

Absolute minimum temperature: -25.5 °C

Number of sunny days: 213 days

Number of rainy days: 135 days

Number of snow days: 17 days

* Weather data for Illinois Grove United States is based on climate observations for 2026 year

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	11.8	11.5	22.6	26.5	30.4	31.3	33.3	37.7	34.6	30.5	17.5	13.0
Average daytime temperature (°C)	0.0	3.1	6.7	16.5	24.2	28.5	27.9	28.5	26.0	17.0	10.2	5.9
Average temperature (°C)	-4.2	-2.6	0.9	9.7	17.6	22.5	22.6	23.3	20.2	12.4	4.8	1.6
Average night temperature (°C)	-7.3	-7.0	-3.4	4.2	11.3	16.9	17.5	18.6	15.1	8.3	0.6	-1.3
Absolute minimum temperature (°C)	-25.0	-25.5	-16.9	-4.8	0.9	9.1	11.5	13.1	9.3	-4.7	-13.0	-7.2

The best time to visit Illinois Grove during the most sunny months:

The largest precipitation sum in Illinois Grove is at

May — 109(mm)

July — 90(mm)

October — 134(mm)

When is the best time to visit Illinois Grove?

The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Illinois Grove.

What is the weather like in Illinois Grove?

See average temperature, rainfall and daylight hours for Illinois Grove by month in the table above.

How many sunny days does Illinois Grove have?

The monthly weather statistics above show sunshine and rainfall patterns for Illinois Grove throughout the year.