Bel-Nor, MO climate
Bel-Nor has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 17 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Bel-Nor feels like
Winter
Spring
Summer
Fall
Bel-Nor 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 | 40° | 23° | 2.5" | 5.7" | 9 | 7 | 26° – 42° |
| February | 45° | 27° | 2.1" | 4.3" | 9 | 4 | 26° – 46° |
| March | 56° | 36° | 3.4" | 2.3" | 11 | 1 | 39° – 59° |
| April | 67° | 45° | 4.7" | 0.2" | 12 | 0 | 49° – 62° |
| May | 76° | 56° | 5.0" | 0 | 13 | 0 | 61° – 74° |
| June | 85° | 65° | 4.5" | 0 | 10 | 0 | 70° – 79° |
| July | 88° | 69° | 3.9" | 0 | 9 | 0 | 74° – 85° |
| August | 87° | 67° | 3.4" | 0 | 8 | 0 | 71° – 83° |
| September | 80° | 59° | 3.4" | 0 | 7 | 0 | 65° – 76° |
| October | 68° | 47° | 3.1" | 0 | 9 | 0 | 52° – 64° |
| November | 55° | 37° | 3.4" | 0.9" | 9 | 1 | 38° – 53° |
| December | 44° | 28° | 2.7" | 3.2" | 9 | 4 | 22° – 44° |
| Year | 66° | 47° | 42.2" | 16.6" | 114 | 17 |
“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 Bel-Nor
Bel-Nor gets 42 inches of rain and melted snow a year. May is the wettest month and February the driest. Rain or snow falls on about 114 days a year. Snow covers the ground about 17 days of the year.
About 215 frost-free days a year
In half of years the last 32° night comes by April 2 and the first one by November 4. That leaves about 215 frost-free days for gardens, longer than 80% of U.S. towns.
Heating and cooling a home in Bel-Nor
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Bel-Nor, 72% of that work is heating and 28% is cooling.
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.
Bel-Nor and its neighbors
Bel-Nor borders 4 towns with climate data. January nights across them vary by 0.0°. Bel-Ridge has both the coldest January nights (23°) and the hottest July afternoons (88°). Bel-Nor’s January low is 23° and its July high 88°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Bel-Nor 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 Bel-Nor averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.1°). The shift is smaller than in 74% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Bel-Nor’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 22° to 44°. June is the most reliable, staying within 9°.
Common questions about Bel-Nor’s climate
What is the coldest month in Bel-Nor?
January, with a typical high of 40° and a low of 23°.
What is the hottest month in Bel-Nor?
July, with a typical high of 88° and a low of 69°. About 47 days a year reach 90°.
How much snow does Bel-Nor get?
About 17 inches in a normal winter, most of it in January.
When is the first frost in Bel-Nor?
In half of years the first 32° night comes by November 4, and the last spring frost by April 2.
What is the rainiest month in Bel-Nor?
May, with 5.0 inches of rain and melted snow. The year totals 42 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Bel-Nor itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at St Louis Lambert Intl Airport, MO (5 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.