Harrisville has chilly, snowy winters and pleasant summers, with plenty of rain
A typical July afternoon reaches 82°, a January night drops to 18°, and about 48 inches of snow falls in a normal winter.
A year in Harrisville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Harrisville’s climate
Read from where Harrisville sits among Rhode Island’s towns. The page puts what stands out first.
About 176 frost-free days a year
In half of years the last 32° night comes by April 25 and the first by October 19.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Warmer than it used to be
The last 30 years in Harrisville averaged 1.7° warmer than the 1900s. The biggest change is in December (+3.4°).
A bigger shift than in 84% of U.S. towns.
Change by month
48 inches of snow, 50 of rain and melt
October is the wettest month and February the driest. Rain or snow falls on about 124 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
What a year in Harrisville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Living with Harrisville’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
176 frost-free days. The last frost comes by Apr 25 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 19.
About 48" a winter over 12 days with an inch or more, most in February. Snow covers the ground about 46 days a year.
Months averaging under 55° run from October through April. Heating is 92% of the year’s heating-and-cooling load.
About 4 days a year reach 90°, and July afternoons average 82°.
The nicest months are May, June, July, August and September. 0.0 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Harrisville and its neighbors
Pascoag has the coldest January nights next door (18°) and Pascoag the hottest July afternoons (82°). 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.
How Harrisville compares
Against every U.S. town on TownTapestry, each counted once, with its place in Rhode Island.
Harrisville 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 | 36° | 18° | 4.0" | 11.6" | 11 | 14 | 18° – 34° |
| February | 38° | 19° | 3.5" | 12.9" | 9 | 14 | 15° – 36° |
| March | 46° | 27° | 4.6" | 9.6" | 10 | 9 | 30° – 45° |
| April | 59° | 36° | 4.5" | 2.4" | 11 | 0 | 43° – 51° |
| May | 69° | 46° | 3.6" | 0 | 12 | 0 | 52° – 62° |
| June | 77° | 56° | 4.3" | 0 | 11 | 0 | 63° – 69° |
| July | 82° | 61° | 3.7" | 0 | 11 | 0 | 67° – 76° |
| August | 81° | 60° | 4.0" | 0 | 10 | 0 | 67° – 74° |
| September | 74° | 52° | 4.1" | 0 | 9 | 0 | 59° – 67° |
| October | 62° | 41° | 5.1" | 0.3" | 11 | 0 | 48° – 58° |
| November | 51° | 32° | 4.1" | 0.5" | 10 | 1 | 37° – 46° |
| December | 41° | 24° | 4.8" | 11.0" | 11 | 8 | 26° – 43° |
| Year | 60° | 39° | 50.2" | 48.3" | 124 | 46 |
Heating and cooling a home in Harrisville
92% 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. February swings the most: from 1991 to 2020 its average ranged from 15° to 36°. June is the most reliable, staying within 6°.
Common questions about Harrisville’s climate
What is the coldest month in Harrisville?
January, with a typical high of 36° and a low of 18°.
What is the hottest month in Harrisville?
July, with a typical high of 82° and a low of 61°. About 4 days a year reach 90°.
How much snow does Harrisville get?
About 48 inches in a normal winter, most of it in February.
When is the first frost in Harrisville?
In half of years the first 32° night comes by October 19, and the last spring frost by April 25.
What is the rainiest month in Harrisville?
October, with 5.1 inches of rain and melted snow. The year totals 50 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Harrisville.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Harrisville itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Northbridge 2, MA (10 mi, snow) and North Foster 1 E, RI (8 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. Today’s forecast: National Weather Service.