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Woonsocket, Rhode Island climate
Cfa Humid subtropical
Woonsocket has a strongly seasonal cool-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 29°C, while the coldest is January averaging around −7°C at night. Precipitation is fairly even year-round, totalling about 1319 mm. Winters bring significant snowfall (105 cm of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsWoonsocket climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 4 | 9 | 15 | 21 | 26 | 29 | 28 | 24 | 18 | 12 | 6 |
| Avg temp (°C) | −2 | −1 | 3 | 9 | 15 | 20 | 23 | 22 | 18 | 12 | 6 | 1 |
| Avg low (°C) | −7 | −6 | −2 | 3 | 9 | 14 | 17 | 17 | 12 | 6 | 1 | −4 |
| Precipitation (mm) | 111 | 93 | 124 | 120 | 92 | 108 | 92 | 102 | 106 | 129 | 107 | 134 |
| Snowfall (cm) | 31 | 27 | 19 | 5 | — | — | — | — | — | 0 | 3 | 20 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 4 | 9 | 15 | 21 | 26 |
| Avg temp (°C) | −2 | −1 | 3 | 9 | 15 | 20 |
| Avg low (°C) | −7 | −6 | −2 | 3 | 9 | 14 |
| Precipitation (mm) | 111 | 93 | 124 | 120 | 92 | 108 |
| Snowfall (cm) | 31 | 27 | 19 | 5 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 28 | 24 | 18 | 12 | 6 |
| Avg temp (°C) | 23 | 22 | 18 | 12 | 6 | 1 |
| Avg low (°C) | 17 | 17 | 12 | 6 | 1 | −4 |
| Precipitation (mm) | 92 | 102 | 106 | 129 | 107 | 134 |
| Snowfall (cm) | — | — | — | 0 | 3 | 20 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 11 | 12 | 13 | 11 | 11 | 10 | 10 | 11 | 10 | 11 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.4 | 1 | 3 | 2 | 0.6 | — | — | — |
| Days with low ≤ 0°C (days) | 15 | 14 | 12 | 4 | 0.2 | — | — | — | — | 2 | 9 | 14 |
| Days with snowfall ≥ 2.5 cm (days) | 3 | 3 | 2 | 0.3 | — | — | — | — | — | 0.1 | 0.3 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 11 | 12 | 13 | 11 |
| Days with high ≥ 32°C (days) | — | — | — | 0.1 | 0.4 | 1 |
| Days with low ≤ 0°C (days) | 15 | 14 | 12 | 4 | 0.2 | — |
| Days with snowfall ≥ 2.5 cm (days) | 3 | 3 | 2 | 0.3 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 10 | 11 | 10 | 11 |
| Days with high ≥ 32°C (days) | 3 | 2 | 0.6 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 2 | 9 | 14 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | 0.1 | 0.3 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 65 | 62 | 62 | 63 | 60 | 56 | 53 | 54 | 59 | 64 | 66 |
| Clear days (≤ 30% cloud) | 3 | 5 | 6 | 5 | 5 | 6 | 7 | 9 | 9 | 8 | 4 | 3 |
| Partly cloudy days (30–70%) | 12 | 10 | 10 | 11 | 12 | 11 | 13 | 12 | 10 | 10 | 11 | 12 |
| Cloudy days (≥ 70%) | 16 | 14 | 15 | 14 | 14 | 13 | 11 | 11 | 11 | 14 | 14 | 16 |
| Relative humidity (%) | 87 | 86 | 83 | 80 | 78 | 78 | 73 | 73 | 75 | 78 | 81 | 85 |
| Wind speed (m/s) | 0.8 | 0.9 | 0.9 | 0.5 | 0.4 | 0.3 | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 0.6 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 68 | 65 | 62 | 62 | 63 | 60 |
| Clear days (≤ 30% cloud) | 3 | 5 | 6 | 5 | 5 | 6 |
| Partly cloudy days (30–70%) | 12 | 10 | 10 | 11 | 12 | 11 |
| Cloudy days (≥ 70%) | 16 | 14 | 15 | 14 | 14 | 13 |
| Relative humidity (%) | 87 | 86 | 83 | 80 | 78 | 78 |
| Wind speed (m/s) | 0.8 | 0.9 | 0.9 | 0.5 | 0.4 | 0.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 56 | 53 | 54 | 59 | 64 | 66 |
| Clear days (≤ 30% cloud) | 7 | 9 | 9 | 8 | 4 | 3 |
| Partly cloudy days (30–70%) | 13 | 12 | 10 | 10 | 11 | 12 |
| Cloudy days (≥ 70%) | 11 | 11 | 11 | 14 | 14 | 16 |
| Relative humidity (%) | 73 | 73 | 75 | 78 | 81 | 85 |
| Wind speed (m/s) | 0.3 | 0.3 | 0.4 | 0.5 | 0.5 | 0.6 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Woonsocket (NOAA GHCN station USC00379423), about 2 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.