Tolland, CT climate
Tolland has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 82°, a January night drops to 17°, and about 39 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Tolland feels like
Winter
Spring
Summer
Fall
Tolland 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 | 30-yr range |
|---|---|---|---|---|---|---|
| January | 35° | 17° | 3.5" | 8.3" | 10 | 17° – 33° |
| February | 38° | 19° | 2.9" | 14.1" | 9 | 15° – 35° |
| March | 46° | 27° | 4.0" | 6.3" | 10 | 29° – 45° |
| April | 58° | 36° | 4.2" | 1.7" | 11 | 43° – 52° |
| May | 69° | 46° | 3.8" | 0 | 13 | 52° – 62° |
| June | 77° | 55° | 4.6" | 0 | 11 | 63° – 69° |
| July | 82° | 60° | 4.0" | 0 | 11 | 67° – 75° |
| August | 80° | 59° | 4.4" | 0 | 10 | 66° – 73° |
| September | 73° | 51° | 4.4" | 0 | 9 | 60° – 66° |
| October | 62° | 41° | 4.8" | 0.3" | 11 | 47° – 58° |
| November | 50° | 32° | 3.8" | 1.1" | 9 | 37° – 46° |
| December | 40° | 24° | 4.3" | 7.2" | 10 | 25° – 42° |
| Year | 59° | 39° | 48.6" | 39.0" | 123 |
“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 Tolland
Tolland gets 49 inches of rain and melted snow a year. October is the wettest month and February the driest. Rain or snow falls on about 123 days a year.
About 186 frost-free days a year
In half of years the last 32° night comes by April 19 and the first one by October 22. That leaves about 186 frost-free days for gardens, longer than 59% of U.S. towns.
Heating and cooling a home in Tolland
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Tolland, 92% of that work is heating and 8% 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.
Tolland and its neighbors
Tolland borders 4 towns with climate data. January nights across them vary by 0.8°. Willington has the coldest January nights (17°) and Vernon the hottest July afternoons (84°). Tolland’s January low is 17° and its July high 82°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Tolland 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 Tolland averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.5°). The shift is larger than in 89% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Tolland’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 15° to 35°. June is the most reliable, staying within 6°.
Common questions about Tolland’s climate
What is the coldest month in Tolland?
January, with a typical high of 35° and a low of 17°.
What is the hottest month in Tolland?
July, with a typical high of 82° and a low of 60°. About 3 days a year reach 90°.
How much snow does Tolland get?
About 39 inches in a normal winter, most of it in February.
When is the first frost in Tolland?
In half of years the first 32° night comes by October 22, and the last spring frost by April 19.
What is the rainiest month in Tolland?
October, with 4.8 inches of rain and melted snow. The year totals 49 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Tolland itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Storrs, CT (9 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.