Black River Falls, WI climate
Black River Falls has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 6°, and about 41 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Black River Falls feels like
Winter
Spring
Summer
Fall
Black River Falls 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 | 24° | 6° | 1.1" | 9.8" | 7 | 23 | 4° – 29° |
| February | 30° | 10° | 1.1" | 10.9" | 7 | 22 | 8° – 32° |
| March | 42° | 22° | 1.7" | 5.5" | 7 | 15 | 23° – 48° |
| April | 56° | 33° | 3.4" | 2.9" | 9 | 2 | 35° – 52° |
| May | 69° | 45° | 4.3" | 0 | 11 | 0 | 51° – 64° |
| June | 78° | 55° | 5.2" | 0 | 11 | 0 | 62° – 71° |
| July | 82° | 59° | 4.3" | 0 | 9 | 0 | 64° – 77° |
| August | 79° | 57° | 4.4" | 0 | 9 | 0 | 63° – 74° |
| September | 72° | 49° | 3.8" | 0 | 9 | 0 | 53° – 66° |
| October | 58° | 37° | 2.8" | 0.1" | 9 | 0 | 42° – 53° |
| November | 43° | 26° | 1.8" | 1.4" | 6 | 2 | 25° – 45° |
| December | 30° | 14° | 1.4" | 10.6" | 8 | 16 | 8° – 32° |
| Year | 55° | 34° | 35.2" | 41.2" | 102 | 79 |
“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 Black River Falls
Black River Falls gets 35 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 102 days a year. Snow covers the ground about 79 days of the year.
About 144 frost-free days a year
In half of years the last 32° night comes by May 10 and the first one by October 1. That leaves about 144 frost-free days for gardens, shorter than 85% of U.S. towns.
Heating and cooling a home in Black River Falls
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Black River Falls, 95% of that work is heating and 5% 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.
Black River Falls and its neighbors
Black River Falls borders 3 towns with climate data. January nights across them vary by 0.3°. Adams has both the coldest January nights (6°) and the hottest July afternoons (82°). Black River Falls’s January low is 6° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Black River Falls 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 Black River Falls averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.8°). The shift is larger than in 88% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Black River Falls’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. March swings the most: between 1991 and 2020 its average temperature ranged from 23° to 48°. June is the most reliable, staying within 8°.
Common questions about Black River Falls’s climate
What is the coldest month in Black River Falls?
January, with a typical high of 24° and a low of 6°.
What is the hottest month in Black River Falls?
July, with a typical high of 82° and a low of 59°. About 5 days a year reach 90°.
How much snow does Black River Falls get?
About 41 inches in a normal winter, most of it in February.
When is the first frost in Black River Falls?
In half of years the first 32° night comes by October 1, and the last spring frost by May 10.
What is the rainiest month in Black River Falls?
June, with 5.2 inches of rain and melted snow. The year totals 35 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Black River Falls itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Black Rvr Falls Sewage, WI (1 mi, snow) and Neillsville 3ese, WI (22 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.