Plattsburg has chilly winters and warm summers
A typical July afternoon reaches 87°, a January night drops to 19°, and about 19 inches of snow falls in a normal winter.
A year in Plattsburg at a glance
Each month’s typical high and low, and what it brings.
What stands out about Plattsburg’s climate
Read from where Plattsburg sits among Missouri’s towns. The page puts what stands out first.
Warmer than it used to be
The last 30 years in Plattsburg averaged 1.2° warmer than the 1900s. The biggest change is in December (+2.5°).
A smaller shift than in 55% of U.S. towns.
Change by month
19 inches of snow, 39 of rain and melt
May is the wettest month and January the driest. Rain or snow falls on about 96 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Plattsburg’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
183 frost-free days. The last frost comes by Apr 18 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 20.
About 19" a winter over 6 days with an inch or more, most in February. Snow covers the ground about 19 days a year.
Months averaging under 55° run from November through April. Heating is 82% of the year’s heating-and-cooling load.
About 30 days a year reach 90°, and July afternoons average 87°.
The nicest months are April, May, June, September and October. 4.1 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →What a year in Plattsburg feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 183 frost-free days a year
In half of years the last 32° night comes by April 18 and the first by October 20.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
How Plattsburg compares
Against every U.S. town on TownTapestry, each counted once, with its place in Missouri.
Plattsburg weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 37° | 19° | 1.1" | 5.0" | 6 | 7 | 21° – 40° |
| February | 43° | 23° | 1.4" | 6.5" | 7 | 6 | 23° – 43° |
| March | 54° | 32° | 2.3" | 2.0" | 8 | 2 | 36° – 57° |
| April | 65° | 42° | 4.0" | 0.1" | 10 | 0 | 46° – 59° |
| May | 75° | 53° | 5.3" | 0 | 12 | 0 | 58° – 73° |
| June | 84° | 63° | 4.8" | 0 | 10 | 0 | 69° – 77° |
| July | 87° | 67° | 4.7" | 0 | 7 | 0 | 72° – 84° |
| August | 86° | 65° | 4.4" | 0 | 8 | 0 | 70° – 81° |
| September | 79° | 56° | 3.9" | 0 | 8 | 0 | 61° – 74° |
| October | 67° | 44° | 3.1" | 0.3" | 8 | 0 | 49° – 60° |
| November | 53° | 33° | 2.1" | 0.9" | 6 | 0 | 35° – 51° |
| December | 41° | 23° | 1.6" | 4.6" | 7 | 5 | 18° – 39° |
| Year | 64° | 43° | 38.7" | 19.4" | 96 | 19 |
Heating and cooling a home in Plattsburg
82% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 36° to 57°. June is the most reliable, staying within 8°.
Common questions about Plattsburg’s climate
What is the coldest month in Plattsburg?
January, with a typical high of 37° and a low of 19°.
What is the hottest month in Plattsburg?
July, with a typical high of 87° and a low of 67°. About 30 days a year reach 90°.
How much snow does Plattsburg get?
About 19 inches in a normal winter, most of it in February.
When is the first frost in Plattsburg?
In half of years the first 32° night comes by October 20, and the last spring frost by April 18.
What is the rainiest month in Plattsburg?
May, with 5.3 inches of rain and melted snow. The year totals 39 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Plattsburg.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Plattsburg itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Kearney 3e, MO (15 mi, snow) and Smithville Lake, MO (12 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.