Clarno, WI climate
Clarno has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 12°, and about 42 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Clarno feels like
Winter
Spring
Summer
Fall
Clarno 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 | 28° | 12° | 1.5" | 11.8" | 9 | 23 | 10° – 33° |
| February | 32° | 15° | 1.6" | 10.5" | 8 | 20 | 11° – 36° |
| March | 45° | 26° | 2.2" | 4.7" | 9 | 9 | 27° – 51° |
| April | 59° | 36° | 3.7" | 1.4" | 11 | 1 | 38° – 54° |
| May | 70° | 48° | 4.1" | 0.3" | 12 | 0 | 53° – 66° |
| June | 80° | 58° | 5.7" | 0 | 12 | 0 | 65° – 73° |
| July | 83° | 61° | 4.1" | 0 | 10 | 0 | 66° – 79° |
| August | 81° | 59° | 4.3" | 0 | 10 | 0 | 64° – 76° |
| September | 74° | 52° | 3.9" | 0 | 9 | 0 | 57° – 68° |
| October | 61° | 40° | 3.0" | 0.4" | 10 | 0 | 46° – 57° |
| November | 46° | 29° | 2.4" | 1.8" | 8 | 2 | 28° – 47° |
| December | 33° | 18° | 1.9" | 10.6" | 9 | 15 | 11° – 37° |
| Year | 58° | 38° | 38.3" | 41.5" | 117 | 70 |
“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 Clarno
Clarno gets 38 inches of rain and melted snow a year. June is the wettest month and January the driest. Rain or snow falls on about 117 days a year. Snow covers the ground about 70 days of the year.
About 170 frost-free days a year
In half of years the last 32° night comes by April 27 and the first one by October 14. That leaves about 170 frost-free days for gardens, shorter than 61% of U.S. towns.
Heating and cooling a home in Clarno
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Clarno, 91% of that work is heating and 9% 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.
Clarno and its neighbors
Clarno borders 6 towns with climate data. January nights across them vary by 0.6°. Cadiz has the coldest January nights (12°) and Oneco the hottest July afternoons (83°). Clarno’s January low is 12° and its July high 83°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Clarno 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 Clarno averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.7°). The shift is larger than in 62% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Clarno’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 11° to 37°. June is the most reliable, staying within 8°.
Common questions about Clarno’s climate
What is the coldest month in Clarno?
January, with a typical high of 28° and a low of 12°.
What is the hottest month in Clarno?
July, with a typical high of 83° and a low of 61°. About 16 days a year reach 90°.
How much snow does Clarno get?
About 42 inches in a normal winter, most of it in January.
When is the first frost in Clarno?
In half of years the first 32° night comes by October 14, and the last spring frost by April 27.
What is the rainiest month in Clarno?
June, with 5.7 inches of rain and melted snow. The year totals 38 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Clarno itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Monroe WWTP, WI (3 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.