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La Chaux-de-Fonds, Switzerland climate
Cfb Oceanic / temperate
La Chaux-de-Fonds has a seasonal cold-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 −5°C at night. Precipitation is fairly even year-round, totalling about 1389 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)La Chaux-de-Fonds climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 4 | 7 | 11 | 15 | 19 | 21 | 21 | 17 | 13 | 7 | 4 |
| Avg temp (°C) | −1 | −1 | 3 | 6 | 10 | 14 | 16 | 15 | 12 | 8 | 3 | 0 |
| Avg low (°C) | −5 | −5 | −2 | 1 | 5 | 9 | 10 | 10 | 7 | 3 | −1 | −4 |
| Precipitation (mm) | 107 | 93 | 99 | 96 | 131 | 119 | 131 | 131 | 114 | 117 | 118 | 133 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 3 | 4 | 7 | 11 | 15 | 19 |
| Avg temp (°C) | −1 | −1 | 3 | 6 | 10 | 14 |
| Avg low (°C) | −5 | −5 | −2 | 1 | 5 | 9 |
| Precipitation (mm) | 107 | 93 | 99 | 96 | 131 | 119 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 17 | 13 | 7 | 4 |
| Avg temp (°C) | 16 | 15 | 12 | 8 | 3 | 0 |
| Avg low (°C) | 10 | 10 | 7 | 3 | −1 | −4 |
| Precipitation (mm) | 131 | 131 | 114 | 117 | 118 | 133 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 70 | 68 | 69 | 70 | 66 | 61 | 60 | 62 | 70 | 75 | 74 |
| Relative humidity (%) | 89 | 88 | 84 | 81 | 80 | 79 | 76 | 75 | 80 | 85 | 89 | 89 |
| Wind speed (mph) | 5.5 | 5.9 | 5.9 | 5.3 | 5.2 | 4.9 | 4.7 | 4.4 | 4.7 | 4.8 | 4.9 | 5.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 71 | 70 | 68 | 69 | 70 | 66 |
| Relative humidity (%) | 89 | 88 | 84 | 81 | 80 | 79 |
| Wind speed (mph) | 5.5 | 5.9 | 5.9 | 5.3 | 5.2 | 4.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 60 | 62 | 70 | 75 | 74 |
| Relative humidity (%) | 76 | 75 | 80 | 85 | 89 | 89 |
| Wind speed (mph) | 4.7 | 4.4 | 4.7 | 4.8 | 4.9 | 5.5 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from a national meteorological service, measured at La Chaux-de-fonds, about 3 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.