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Niort, Nouvelle-Aquitaine climate
Cfb Oceanic / temperate
Niort has a seasonal mild-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is July with an average daily high near 27°C, while the coldest is January averaging around 2°C at night. Around 803 mm of precipitation falls each year, peaking in December (92 mm) and easing off in August (45 mm).
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)Niort climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 11 | 14 | 17 | 21 | 24 | 27 | 27 | 23 | 18 | 13 | 10 |
| Avg temp (°C) | 6 | 6 | 9 | 11 | 15 | 19 | 21 | 21 | 17 | 14 | 9 | 6 |
| Avg low (°C) | 2 | 2 | 4 | 6 | 9 | 13 | 14 | 14 | 12 | 9 | 5 | 3 |
| Precipitation (mm) | 81 | 60 | 63 | 62 | 66 | 55 | 51 | 45 | 61 | 82 | 84 | 92 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 11 | 14 | 17 | 21 | 24 |
| Avg temp (°C) | 6 | 6 | 9 | 11 | 15 | 19 |
| Avg low (°C) | 2 | 2 | 4 | 6 | 9 | 13 |
| Precipitation (mm) | 81 | 60 | 63 | 62 | 66 | 55 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 23 | 18 | 13 | 10 |
| Avg temp (°C) | 21 | 21 | 17 | 14 | 9 | 6 |
| Avg low (°C) | 14 | 14 | 12 | 9 | 5 | 3 |
| Precipitation (mm) | 51 | 45 | 61 | 82 | 84 | 92 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 64 | 62 | 62 | 63 | 59 | 53 | 52 | 53 | 63 | 67 | 67 |
| Relative humidity (%) | 92 | 88 | 84 | 80 | 78 | 76 | 72 | 71 | 75 | 84 | 90 | 92 |
| Wind speed (mph) | 7.3 | 7.2 | 6.9 | 6.5 | 6.2 | 6.0 | 5.8 | 5.6 | 5.9 | 6.5 | 6.7 | 7.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 64 | 62 | 62 | 63 | 59 |
| Relative humidity (%) | 92 | 88 | 84 | 80 | 78 | 76 |
| Wind speed (mph) | 7.3 | 7.2 | 6.9 | 6.5 | 6.2 | 6.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 53 | 52 | 53 | 63 | 67 | 67 |
| Relative humidity (%) | 72 | 71 | 75 | 84 | 90 | 92 |
| Wind speed (mph) | 5.8 | 5.6 | 5.9 | 6.5 | 6.7 | 7.3 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Souche / Niort Marais Poitevin, a weather station, about 5 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.