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Keene, New Hampshire climate
Dfa Hot-summer humid continental
Keene has a strongly seasonal cool-temperate climate (Hot-summer humid continental, Köppen Dfa). The hottest month is July with an average daily high near 83°F, while the coldest is January averaging around 14°F at night. Precipitation is fairly even year-round, totalling about 47 inches. Winters bring significant snowfall (36 inches 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 countsKeene climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 34 | 37 | 45 | 58 | 70 | 78 | 83 | 82 | 74 | 62 | 50 | 39 |
| Avg temp (°F) | 24 | 26 | 35 | 46 | 58 | 67 | 72 | 70 | 62 | 50 | 39 | 30 |
| Avg low (°F) | 14 | 15 | 24 | 34 | 45 | 55 | 60 | 58 | 50 | 39 | 29 | 21 |
| Precipitation (in) | 3.4 | 2.9 | 3.5 | 3.8 | 3.7 | 4.5 | 4.1 | 4.1 | 4.6 | 4.7 | 3.4 | 3.9 |
| Snowfall (in) | 8.1 | 11.0 | 7.3 | 1.0 | — | — | — | — | — | — | 1.6 | 7.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 34 | 37 | 45 | 58 | 70 | 78 |
| Avg temp (°F) | 24 | 26 | 35 | 46 | 58 | 67 |
| Avg low (°F) | 14 | 15 | 24 | 34 | 45 | 55 |
| Precipitation (in) | 3.4 | 2.9 | 3.5 | 3.8 | 3.7 | 4.5 |
| Snowfall (in) | 8.1 | 11.0 | 7.3 | 1.0 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 82 | 74 | 62 | 50 | 39 |
| Avg temp (°F) | 72 | 70 | 62 | 50 | 39 | 30 |
| Avg low (°F) | 60 | 58 | 50 | 39 | 29 | 21 |
| Precipitation (in) | 4.1 | 4.1 | 4.6 | 4.7 | 3.4 | 3.9 |
| Snowfall (in) | — | — | — | — | 1.6 | 7.5 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 9 | 11 | 13 | 11 | 11 | 10 | 9 | 10 | 10 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | 0.2 | 0.6 | 2 | 5 | 3 | 0.8 | — | — | — |
| Days with low ≤ 32°F (days) | 29 | 27 | 25 | 13 | 2 | 0.0 | — | — | 0.4 | 9 | 20 | 27 |
| Days with snowfall ≥ 1 in (days) | 4 | 3 | 2 | 0.3 | — | — | — | — | — | 0.0 | 0.5 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 9 | 11 | 13 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | 0.2 | 0.6 | 2 |
| Days with low ≤ 32°F (days) | 29 | 27 | 25 | 13 | 2 | 0.0 |
| Days with snowfall ≥ 1 in (days) | 4 | 3 | 2 | 0.3 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 10 | 9 | 10 | 10 | 11 |
| Days with high ≥ 90°F (days) | 5 | 3 | 0.8 | — | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.4 | 9 | 20 | 27 |
| Days with snowfall ≥ 1 in (days) | — | — | — | 0.0 | 0.5 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 64 | 64 | 66 | 67 | 65 | 60 | 57 | 57 | 62 | 66 | 66 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 5 | 4 | 4 | 6 | 7 | 8 | 6 | 5 | 4 |
| Partly cloudy days (30–70%) | 12 | 11 | 11 | 10 | 10 | 11 | 13 | 12 | 10 | 10 | 10 | 11 |
| Cloudy days (≥ 70%) | 15 | 13 | 15 | 16 | 17 | 15 | 12 | 12 | 12 | 15 | 16 | 16 |
| Relative humidity (%) | 90 | 90 | 85 | 79 | 77 | 78 | 75 | 74 | 74 | 78 | 82 | 88 |
| Wind speed (mph) | 0.9 | 1.2 | 1.0 | 0.3 | 0.1 | 0.1 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 64 | 64 | 66 | 67 | 65 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 5 | 4 | 4 |
| Partly cloudy days (30–70%) | 12 | 11 | 11 | 10 | 10 | 11 |
| Cloudy days (≥ 70%) | 15 | 13 | 15 | 16 | 17 | 15 |
| Relative humidity (%) | 90 | 90 | 85 | 79 | 77 | 78 |
| Wind speed (mph) | 0.9 | 1.2 | 1.0 | 0.3 | 0.1 | 0.1 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 60 | 57 | 57 | 62 | 66 | 66 |
| Clear days (≤ 30% cloud) | 6 | 7 | 8 | 6 | 5 | 4 |
| Partly cloudy days (30–70%) | 13 | 12 | 10 | 10 | 10 | 11 |
| Cloudy days (≥ 70%) | 12 | 12 | 12 | 15 | 16 | 16 |
| Relative humidity (%) | 75 | 74 | 74 | 78 | 82 | 88 |
| Wind speed (mph) | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Amherst (NOAA GHCN station USC00190120), about 64 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.