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Nogales, Arizona climate
BSk Cold semi-arid
Nogales has a seasonal mild-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 92°F, while the coldest is December averaging around 37°F at night. Precipitation totals about 19 inches a year and is strongly seasonal — August alone averages 4.7 inches while May barely receives 0.16 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)Nogales climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 64 | 65 | 71 | 77 | 85 | 93 | 92 | 90 | 88 | 80 | 71 | 63 |
| Avg temp (°F) | 50 | 51 | 56 | 62 | 69 | 78 | 79 | 78 | 74 | 66 | 57 | 50 |
| Avg low (°F) | 37 | 38 | 42 | 47 | 54 | 63 | 66 | 65 | 61 | 52 | 43 | 37 |
| Precipitation (in) | 1.2 | 1.3 | 0.7 | 0.2 | 0.2 | 0.8 | 4.1 | 4.7 | 2.2 | 0.9 | 1.0 | 1.5 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 64 | 65 | 71 | 77 | 85 | 93 |
| Avg temp (°F) | 50 | 51 | 56 | 62 | 69 | 78 |
| Avg low (°F) | 37 | 38 | 42 | 47 | 54 | 63 |
| Precipitation (in) | 1.2 | 1.3 | 0.7 | 0.2 | 0.2 | 0.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 92 | 90 | 88 | 80 | 71 | 63 |
| Avg temp (°F) | 79 | 78 | 74 | 66 | 57 | 50 |
| Avg low (°F) | 66 | 65 | 61 | 52 | 43 | 37 |
| Precipitation (in) | 4.1 | 4.7 | 2.2 | 0.9 | 1.0 | 1.5 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 37 | 41 | 34 | 26 | 23 | 26 | 61 | 56 | 35 | 25 | 30 | 36 |
| Relative humidity (%) | 48 | 46 | 40 | 31 | 25 | 22 | 45 | 51 | 48 | 41 | 42 | 48 |
| Wind speed (mph) | 6.0 | 6.2 | 6.3 | 6.7 | 6.7 | 6.5 | 4.8 | 4.1 | 4.8 | 5.3 | 5.7 | 6.0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 37 | 41 | 34 | 26 | 23 | 26 |
| Relative humidity (%) | 48 | 46 | 40 | 31 | 25 | 22 |
| Wind speed (mph) | 6.0 | 6.2 | 6.3 | 6.7 | 6.7 | 6.5 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 61 | 56 | 35 | 25 | 30 | 36 |
| Relative humidity (%) | 45 | 51 | 48 | 41 | 42 | 48 |
| Wind speed (mph) | 4.8 | 4.1 | 4.8 | 5.3 | 5.7 | 6.0 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from CONAGUA / SMN, Mexico's national weather service, measured at Nogales (dge), 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.