Grain Valley, MO weather and climate
Jackson County, MO · population 15,967 · about 837 ft elevation
Everything below is a 30 year average for 1991-2020, computed from daily climate history at Grain Valley's own coordinates.
The year at a glance
- Sunny days
- 215
- clear or partly cloudy, per year
- Precipitation
- 41 in
- per year
- Wet days
- 109
- rain or snow per year
- Snowfall
- 13 in
- per year
- Hot days
- 33
- above 90 °F
- Freezing nights
- 108
- at or below 32 °F
- Humidity
- 68%
- average relative
- Average temperature
- 55 °F
- year round
Monthly temperatures
Average daily high and low for each month, in °F.
View monthly temperatures as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily high | 38 | 43 | 55 | 64 | 74 | 83 | 87 | 86 | 78 | 67 | 53 | 42 |
| Daily low | 20 | 24 | 34 | 44 | 55 | 64 | 68 | 66 | 58 | 46 | 34 | 24 |
Monthly precipitation
Total rain plus melted snow for each month, in inches.
View monthly precipitation as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grain Valley | 1.5 | 2.0 | 3.1 | 4.9 | 5.5 | 4.9 | 3.9 | 3.5 | 3.5 | 3.4 | 2.5 | 1.9 |
Monthly sunny days
Days each month with clear or partly cloudy skies.
View monthly sunny days as a table
| City | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Grain Valley | 17 | 14 | 16 | 16 | 16 | 19 | 21 | 21 | 22 | 20 | 18 | 17 |
Compare Grain Valley with another city
Nearby cities and popular picks. Any two cities can be compared from the home page.
- Grain Valley vs Blue Springs, MO
- Grain Valley vs Oak Grove, MO
- Grain Valley vs Independence, MO
- Grain Valley vs Lee's Summit, MO
- Grain Valley vs Raytown, MO
- Grain Valley vs Odessa, MO
- Grain Valley vs New York, NY
- Grain Valley vs Los Angeles, CA
- Grain Valley vs Chicago, IL
- Grain Valley vs Houston, TX
- Grain Valley vs Phoenix, AZ
- Grain Valley vs Philadelphia, PA
About this data
Figures are 30 year averages for 1991-2020. Wet days count days with measurable precipitation, calibrated against the wet day counts in NOAA's published climate normals. Sunny days count clear plus partly cloudy days, defined as average cloud cover of 63 percent or less and calibrated against NOAA's published sky cover tables. Snowfall figures are model estimates anchored to NOAA station measurements near each city.
Weather data by Open-Meteo.com (CC BY 4.0). Contains modified Copernicus Climate Change Service information (ERA5, ERA5-Land).
Citing this page
Writing about Grain Valley's climate in a report or paper? Cite this page directly. The reference period is part of the citation, so it stays accurate even as individual numbers are refined; add an access date in whatever citation style you use.
VSWeather. Grain Valley, MO weather and climate: 1991-2020 climate normals. https://vsweather.com/weather/grain-valley-mo/. Computed from Open-Meteo historical reanalysis, station-calibrated against NOAA NCEI climate normals.
BibTeX entry
@misc{vsweather_grain_valley_mo,
author = {{VSWeather}},
title = {Grain Valley, MO weather and climate: 1991-2020 climate normals},
howpublished = {\url{https://vsweather.com/weather/grain-valley-mo/}},
note = {Computed from Open-Meteo historical reanalysis, station-calibrated against NOAA NCEI climate normals}
}How to cite VSWeather explains the sources and verification behind these numbers.