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Caucaia, Brazil climate
Aw Tropical savanna (dry winter)
Caucaia has a remarkably steady tropical climate (Tropical savanna (dry winter), Köppen Aw). The hottest month is December with an average daily high near 32°C, while the coldest is July averaging around 23°C at night. Precipitation totals about 1584 mm a year and is strongly seasonal — April alone averages 385 mm while October barely receives 9 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)Caucaia climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 |
| Avg temp (°C) | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 28 | 28 |
| Avg low (°C) | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 25 |
| Precipitation (mm) | 156 | 187 | 337 | 385 | 229 | 130 | 70 | 20 | 14 | 9 | 10 | 37 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg temp (°C) | 27 | 27 | 27 | 27 | 27 | 26 |
| Avg low (°C) | 25 | 24 | 24 | 24 | 24 | 23 |
| Precipitation (mm) | 156 | 187 | 337 | 385 | 229 | 130 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 31 | 31 | 31 | 32 | 32 | 32 |
| Avg temp (°C) | 26 | 27 | 27 | 27 | 28 | 28 |
| Avg low (°C) | 23 | 23 | 24 | 24 | 25 | 25 |
| Precipitation (mm) | 70 | 20 | 14 | 9 | 10 | 37 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 67 | 70 | 74 | 59 | 49 | 41 | 30 | 26 | 34 | 42 | 47 |
| Relative humidity (%) | 74 | 79 | 84 | 87 | 85 | 82 | 76 | 68 | 64 | 63 | 65 | 68 |
| Wind speed (km/h) | 8.7 | 7.4 | 6.2 | 5.7 | 6.3 | 7.5 | 8.6 | 10.5 | 12.2 | 12.9 | 12.5 | 11.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 63 | 67 | 70 | 74 | 59 | 49 |
| Relative humidity (%) | 74 | 79 | 84 | 87 | 85 | 82 |
| Wind speed (km/h) | 8.7 | 7.4 | 6.2 | 5.7 | 6.3 | 7.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 41 | 30 | 26 | 34 | 42 | 47 |
| Relative humidity (%) | 76 | 68 | 64 | 63 | 65 | 68 |
| Wind speed (km/h) | 8.6 | 10.5 | 12.2 | 12.9 | 12.5 | 11.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from INMET, Brazil's national meteorological institute, measured at Fortaleza, about 7 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.