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Chillán, Chile climate
Csb Warm-summer Mediterranean
Chillán has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is January with an average daily high near 85°F, while the coldest is July averaging around 38°F at night. Precipitation totals about 37 inches a year and is strongly seasonal — June alone averages 8.3 inches while January barely receives 0.34 inches.
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)Chillán climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 85 | 79 | 69 | 60 | 54 | 54 | 57 | 63 | 67 | 74 | 80 |
| Avg temp (°F) | 69 | 68 | 64 | 56 | 51 | 47 | 46 | 49 | 52 | 56 | 61 | 65 |
| Avg low (°F) | 53 | 51 | 48 | 44 | 42 | 40 | 38 | 40 | 41 | 44 | 47 | 50 |
| Precipitation (in) | 0.3 | 1.0 | 0.7 | 2.6 | 6.3 | 8.3 | 5.9 | 4.9 | 2.8 | 2.3 | 1.1 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 85 | 85 | 79 | 69 | 60 | 54 |
| Avg temp (°F) | 69 | 68 | 64 | 56 | 51 | 47 |
| Avg low (°F) | 53 | 51 | 48 | 44 | 42 | 40 |
| Precipitation (in) | 0.3 | 1.0 | 0.7 | 2.6 | 6.3 | 8.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 54 | 57 | 63 | 67 | 74 | 80 |
| Avg temp (°F) | 46 | 49 | 52 | 56 | 61 | 65 |
| Avg low (°F) | 38 | 40 | 41 | 44 | 47 | 50 |
| Precipitation (in) | 5.9 | 4.9 | 2.8 | 2.3 | 1.1 | 0.7 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 23 | 25 | 32 | 46 | 63 | 67 | 62 | 60 | 52 | 48 | 36 | 30 |
| Relative humidity (%) | 44 | 44 | 48 | 59 | 71 | 80 | 80 | 79 | 75 | 72 | 63 | 52 |
| Wind speed (mph) | 1.0 | 0.9 | 0.9 | 0.9 | 1.0 | 1.0 | 1.1 | 1.0 | 0.9 | 0.9 | 0.9 | 1.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 23 | 25 | 32 | 46 | 63 | 67 |
| Relative humidity (%) | 44 | 44 | 48 | 59 | 71 | 80 |
| Wind speed (mph) | 1.0 | 0.9 | 0.9 | 0.9 | 1.0 | 1.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 62 | 60 | 52 | 48 | 36 | 30 |
| Relative humidity (%) | 80 | 79 | 75 | 72 | 63 | 52 |
| Wind speed (mph) | 1.1 | 1.0 | 0.9 | 0.9 | 0.9 | 1.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from the WMO's CLINO 1991–2020 collection, measured at Generalbernardoohigginschillan, about 6 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.