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Empalme, Sonora climate
BWh Hot desert
Empalme has a mildly seasonal tropical climate (Hot desert, Köppen BWh). The hottest month is August with an average daily high near 37°C, while the coldest is January averaging around 10°C at night. Precipitation totals about 183 mm a year and is strongly seasonal — August alone averages 57 mm while April barely receives 1 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)Empalme climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 27 | 29 | 31 | 33 | 36 | 36 | 37 | 36 | 34 | 30 | 26 |
| Avg temp (°C) | 18 | 19 | 21 | 23 | 26 | 29 | 31 | 31 | 30 | 27 | 22 | 18 |
| Avg low (°C) | 10 | 11 | 13 | 15 | 18 | 23 | 26 | 26 | 25 | 20 | 14 | 10 |
| Precipitation (mm) | 4 | 9 | 9 | 1 | 1 | 3 | 26 | 57 | 34 | 10 | 15 | 14 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 27 | 29 | 31 | 33 | 36 |
| Avg temp (°C) | 18 | 19 | 21 | 23 | 26 | 29 |
| Avg low (°C) | 10 | 11 | 13 | 15 | 18 | 23 |
| Precipitation (mm) | 4 | 9 | 9 | 1 | 1 | 3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 36 | 37 | 36 | 34 | 30 | 26 |
| Avg temp (°C) | 31 | 31 | 30 | 27 | 22 | 18 |
| Avg low (°C) | 26 | 26 | 25 | 20 | 14 | 10 |
| Precipitation (mm) | 26 | 57 | 34 | 10 | 15 | 14 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 40 | 42 | 37 | 34 | 26 | 26 | 54 | 51 | 36 | 29 | 35 | 41 |
| Relative humidity (%) | 49 | 48 | 43 | 39 | 39 | 44 | 60 | 66 | 65 | 55 | 51 | 52 |
| Wind speed (m/s) | 2.4 | 2.5 | 2.5 | 2.7 | 2.7 | 2.8 | 2.4 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 40 | 42 | 37 | 34 | 26 | 26 |
| Relative humidity (%) | 49 | 48 | 43 | 39 | 39 | 44 |
| Wind speed (m/s) | 2.4 | 2.5 | 2.5 | 2.7 | 2.7 | 2.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 54 | 51 | 36 | 29 | 35 | 41 |
| Relative humidity (%) | 60 | 66 | 65 | 55 | 51 | 52 |
| Wind speed (m/s) | 2.4 | 2.0 | 2.1 | 2.2 | 2.3 | 2.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 28 years of daily observations at Empalme Son., 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.