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Cirencester, England climate
Cfb Oceanic / temperate
Cirencester has a mildly seasonal cool-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 21°C, while the coldest is January averaging around 2°C at night. Precipitation is fairly even year-round, totalling about 753 mm. At latitude 52°N, day length swings from 7.6 hours in midwinter to 16.4 hours at midsummer.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Cirencester climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 10 | 13 | 16 | 19 | 21 | 21 | 18 | 14 | 10 | 7 |
| Avg temp (°C) | 4 | 5 | 7 | 9 | 12 | 15 | 17 | 16 | 14 | 11 | 7 | 5 |
| Avg low (°C) | 2 | 2 | 3 | 4 | 7 | 10 | 12 | 12 | 10 | 7 | 4 | 2 |
| Precipitation (mm) | 73 | 56 | 50 | 52 | 57 | 53 | 60 | 62 | 53 | 77 | 84 | 76 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 7 | 8 | 10 | 13 | 16 | 19 |
| Avg temp (°C) | 4 | 5 | 7 | 9 | 12 | 15 |
| Avg low (°C) | 2 | 2 | 3 | 4 | 7 | 10 |
| Precipitation (mm) | 73 | 56 | 50 | 52 | 57 | 53 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 18 | 14 | 10 | 7 |
| Avg temp (°C) | 17 | 16 | 14 | 11 | 7 | 5 |
| Avg low (°C) | 12 | 12 | 10 | 7 | 4 | 2 |
| Precipitation (mm) | 60 | 62 | 53 | 77 | 84 | 76 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 74 | 74 | 71 | 72 | 73 | 70 | 71 | 69 | 72 | 74 | 73 |
| Relative humidity (%) | 95 | 93 | 89 | 85 | 82 | 80 | 77 | 78 | 82 | 88 | 94 | 95 |
| Wind speed (mph) | 8.5 | 8.3 | 7.9 | 7.0 | 6.9 | 6.6 | 6.6 | 6.8 | 6.9 | 7.6 | 7.5 | 8.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 73 | 74 | 74 | 71 | 72 | 73 |
| Relative humidity (%) | 95 | 93 | 89 | 85 | 82 | 80 |
| Wind speed (mph) | 8.5 | 8.3 | 7.9 | 7.0 | 6.9 | 6.6 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 70 | 71 | 69 | 72 | 74 | 73 |
| Relative humidity (%) | 77 | 78 | 82 | 88 | 94 | 95 |
| Wind speed (mph) | 6.6 | 6.8 | 6.9 | 7.6 | 7.5 | 8.0 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Lyneham, a weather station, about 24 km from the city centre. The underlying daily records come from NOAA's global station network.
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.