Best year time to visit Grain Valley

General weather information about Grain Valley

Average annual temperature is 14.3 °C

Absolute maximum temperature: 38.6 °C

Absolute minimum temperature: -11.9 °C

Number of sunny days: 200 days

Number of rainy days: 161 days

Number of snow days: 4 days

* Weather data for Grain Valley 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)	14.9	18.0	23.2	28.0	32.9	38.1	37.4	38.6	34.2	31.0	24.2	15.8
Average daytime temperature (°C)	6.9	10.4	11.5	20.4	26.4	30.5	31.9	31.1	28.3	20.3	13.6	9.4
Average temperature (°C)	1.9	3.5	5.8	13.3	19.9	24.2	25.9	25.6	22.1	15.1	8.0	5.3
Average night temperature (°C)	-1.8	-1.4	1.6	7.5	14.0	18.8	21.3	21.2	17.2	11.0	3.8	2.4
Absolute minimum temperature (°C)	-11.9	-11.7	-8.4	-0.5	4.6	13.0	16.7	15.1	12.7	-2.4	-5.8	-3.9

The best time to visit Grain Valley during the most sunny months:

The largest precipitation sum in Grain Valley is at

March — 97(mm)

July — 101(mm)

August — 105(mm)

December — 113(mm)

When is the best time to visit Grain Valley?

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

What is the weather like in Grain Valley?

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

How many sunny days does Grain Valley have?

The monthly weather statistics above show sunshine and rainfall patterns for Grain Valley throughout the year.