ClimateForecastNovemberDecember >>

Grain Valley (MO) Climate by Month

Grain Valley experiences great temperature shifts. The city's weather can transition from very warm days to cold weather. It is also known for its large amounts of rain/snowfall. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Grain Valley is known for significant temperature differences throughout the year, making the weather dynamic. Typically, daytime temperatures range from a very warm 31°C in July to a chilly 4°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to -7°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Grain Valley has a notably wet climate with abundant precipitation, recording 1123 mm of rain/snowfall per year. The climate in Grain Valley shows significant variation throughout the year. Expect heavy rainfall in June, with an average of 153 mm of precipitation over 11 rainy days. In contrast, January offers drier and sunnier days, with around 24 mm of snow/rainfall over 6 snowy/rainy days.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

For those who appreciate different seasons, Grain Valley serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.0 hours of sunshine daily, and embrace the darker days in December, offering only 4.9 hours of daily sunlight.

Monthly hours of sunshine

Data from: Kansas City, the United States of America (32 KM, 20 Miles).

Daily hours of sunshine

Data from: Kansas City, the United States of America (32 KM, 20 Miles).

The best time of year to visit Grain Valley in the United States of America

Other facts from our historical weather data:
  • When is summer in Grain Valley?
    The hottest season / summer takes place in June, July, August and September.
  • Which is the warmest month in Grain Valley?
    July has an average maximum temperature of 31°C and is the warmest month of the year.
  • Which is the coldest month in Grain Valley?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Grain Valley?
    June tops the wettest month list with 153 mm of rainfall.
  • Which is the driest month in Grain Valley?
    January is the driest month with 24 mm of precipitation.
  • Which is the sunniest month in Grain Valley?
    July is the sunniest month with an average of 330 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Grain Valley (MO)

    Wed   Nov 20
    11°C | 3°C
    W 36 km/h
    clear and no rain

    clear and no rain

    Thu   Nov 21
    7°C | 0°C
    NW 25 km/h
    clear and no rain

    clear and no rain

    Fri   Nov 22
    8°C | -1°C
    NW 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain