Bunker, MO climate
Bunker has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 22°, and about 1 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Bunker feels like
Winter
Spring
Summer
Fall
Bunker 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 | 43° | 22° | 2.8" | 0.2" | 9 | 2 | 27° – 42° |
| February | 49° | 25° | 3.1" | 0.4" | 9 | 1 | 27° – 46° |
| March | 58° | 33° | 4.0" | 0.5" | 10 | 0 | 38° – 58° |
| April | 68° | 43° | 5.1" | 0 | 11 | 0 | 48° – 61° |
| May | 76° | 51° | 5.9" | 0 | 12 | 0 | 59° – 71° |
| June | 83° | 60° | 3.9" | 0 | 10 | 0 | 66° – 76° |
| July | 87° | 64° | 4.4" | 0 | 9 | 0 | 70° – 81° |
| August | 86° | 62° | 4.2" | 0 | 8 | 0 | 69° – 81° |
| September | 79° | 55° | 3.9" | 0 | 7 | 0 | 63° – 74° |
| October | 69° | 43° | 3.7" | 0 | 8 | 0 | 50° – 61° |
| November | 56° | 34° | 4.4" | 0.1" | 9 | 0 | 37° – 52° |
| December | 45° | 25° | 3.1" | 0.1" | 9 | 0 | 23° – 43° |
| Year | 67° | 43° | 48.5" | 1.3" | 111 | 3 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Bunker
Bunker gets 48 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 111 days a year.
About 182 frost-free days a year
In half of years the last 32° night comes by April 17 and the first one by October 18. That leaves about 182 frost-free days for gardens, longer than 55% of U.S. towns.
Heating and cooling a home in Bunker
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Bunker, 80% of that work is heating and 20% is cooling, so the furnace matters far more than the air conditioner.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Bunker compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Bunker averaged 0.7° warmer than the 1900s. The biggest change is in February (+2.1°). The shift is smaller than in 89% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Bunker’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 23° to 43°. June is the most reliable, staying within 10°.
Common questions about Bunker’s climate
What is the coldest month in Bunker?
January, with a typical high of 43° and a low of 22°.
What is the hottest month in Bunker?
July, with a typical high of 87° and a low of 64°. About 39 days a year reach 90°.
How much snow does Bunker get?
About 1 inches in a normal winter, most of it in March.
When is the first frost in Bunker?
In half of years the first 32° night comes by October 18, and the last spring frost by April 17.
What is the rainiest month in Bunker?
May, with 5.9 inches of rain and melted snow. The year totals 48 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Bunker itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Salem, MO (22 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.