Clam Union, MI climate
Clam Union has cold, snowy winters and pleasant summers. A typical July afternoon reaches 81°, a January night drops to 12°, and about 74 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade2° warmer than normal today. The forecast high is 66°, and a typical Oct 1 in Clam Union peaks around 64°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Clam Union feels like
Winter
Spring
Summer
Fall
Clam Union 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° | 2.0" | 18.7" | 16 | 29 | 9° – 30° |
| February | 31° | 12° | 1.6" | 13.9" | 12 | 27 | 7° – 32° |
| March | 42° | 20° | 1.9" | 9.4" | 11 | 21 | 19° – 45° |
| April | 54° | 30° | 3.5" | 5.2" | 13 | 4 | 34° – 48° |
| May | 68° | 42° | 3.5" | 0.3" | 13 | 0 | 47° – 61° |
| June | 77° | 51° | 3.5" | 0 | 12 | 0 | 60° – 70° |
| July | 81° | 55° | 3.2" | 0 | 11 | 0 | 62° – 73° |
| August | 79° | 54° | 3.2" | 0 | 11 | 0 | 61° – 71° |
| September | 72° | 46° | 3.0" | 0 | 12 | 0 | 53° – 64° |
| October | 58° | 37° | 3.5" | 1.4" | 15 | 1 | 43° – 54° |
| November | 44° | 28° | 2.4" | 9.0" | 14 | 7 | 28° – 43° |
| December | 33° | 19° | 2.0" | 16.1" | 15 | 21 | 17° – 35° |
| Year | 55° | 34° | 33.2" | 74.0" | 155 | 109 |
“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 Clam Union
Clam Union gets 33 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 155 days a year. Snow covers the ground about 109 days of the year.
About 125 frost-free days a year
In half of years the last 32° night comes by May 22 and the first one by September 26. That leaves about 125 frost-free days for gardens, shorter than 96% of U.S. towns.
Heating and cooling a home in Clam Union
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Clam Union, 96% of that work is heating and 4% 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.
Clam Union and its neighbors
Clam Union borders 4 towns with climate data. January nights across them vary by 0.4°. Aetna has the coldest January nights (12°) and Winterfield the hottest July afternoons (81°). Clam Union’s January low is 12° and its July high 81°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Clam Union 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 Clam Union averaged 2.0° warmer than the 1900s. The biggest change is in February (+3.7°). The shift is larger than in 94% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Clam Union’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 19° to 45°. August is the most reliable, staying within 10°.
Common questions about Clam Union’s climate
What is the coldest month in Clam Union?
January, with a typical high of 28° and a low of 12°.
What is the hottest month in Clam Union?
July, with a typical high of 81° and a low of 55°. About 5 days a year reach 90°.
How much snow does Clam Union get?
About 74 inches in a normal winter, most of it in January.
When is the first frost in Clam Union?
In half of years the first 32° night comes by September 26, and the last spring frost by May 22.
What is the rainiest month in Clam Union?
October, with 3.5 inches of rain and melted snow. The year totals 33 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Clam Union itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Lake City Exp Farm, MI (11 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.