Clio has chilly, snowy winters and warm summers
A typical July afternoon reaches 86°, a January night drops to 23°, and about 38 inches of snow falls in a normal winter.
A year in Clio at a glance
Each month’s typical high and low, and what it brings.
What stands out about Clio’s climate
Read from where Clio sits among California’s towns. The page puts what stands out first.
Living with Clio’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
91 frost-free days. The last frost comes by Jun 11 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 10.
About 38" a winter over 8 days with an inch or more, most in January. Snow covers the ground about 29 days a year.
Months averaging under 55° run from October through May. Heating is 98% of the year’s heating-and-cooling load.
About 22 days a year reach 90°, and July afternoons average 86°.
The nicest months are June and September.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →About 91 frost-free days a year
In half of years the last 32° night comes by June 11 and the first by September 10.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
38 inches of snow, 32 of rain and melt
December is the wettest month and July the driest. Rain or snow falls on about 62 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Clio feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Clio and its neighbors
Gold Mountain has the coldest January nights next door (23°) and Valley Ranch the hottest July afternoons (87°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Clio averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.3°).
A bigger shift than in 60% of U.S. towns.
Change by month
How Clio compares
Against every U.S. town on TownTapestry, each counted once, with its place in California.
Clio 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 | 44° | 23° | 5.5" | 11.7" | 9 | 9 | 25° – 40° |
| February | 48° | 25° | 5.3" | 7.6" | 9 | 6 | 29° – 44° |
| March | 53° | 28° | 4.6" | 6.4" | 8 | 5 | 33° – 47° |
| April | 59° | 31° | 2.4" | 1.8" | 6 | 1 | 39° – 49° |
| May | 68° | 37° | 1.7" | 0.2" | 6 | 0 | 44° – 59° |
| June | 78° | 43° | 0.7" | 0 | 3 | 0 | 56° – 65° |
| July | 86° | 48° | 0.2" | 0 | 1 | 0 | 62° – 72° |
| August | 85° | 46° | 0.2" | 0 | 1 | 0 | 63° – 70° |
| September | 79° | 41° | 0.5" | 0.1" | 2 | 0 | 56° – 63° |
| October | 67° | 33° | 1.8" | 0.4" | 4 | 0 | 46° – 54° |
| November | 52° | 27° | 3.1" | 2.4" | 6 | 1 | 31° – 45° |
| December | 43° | 23° | 5.8" | 7.2" | 8 | 6 | 28° – 37° |
| Year | 63° | 33° | 31.6" | 37.8" | 62 | 29 |
Heating and cooling a home in Clio
98% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 44° to 59°. August is the most reliable, staying within 7°.
Common questions about Clio’s climate
What is the coldest month in Clio?
December, with a typical high of 43° and a low of 23°.
What is the hottest month in Clio?
July, with a typical high of 86° and a low of 48°. About 22 days a year reach 90°.
How much snow does Clio get?
About 38 inches in a normal winter, most of it in January.
When is the first frost in Clio?
In half of years the first 32° night comes by September 10, and the last spring frost by June 11.
What is the rainiest month in Clio?
December, with 5.8 inches of rain and melted snow. The year totals 32 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Clio.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Clio itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Portola, CA (6 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.