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Ha'il, Saudi Arabia climate
BWh Hot desert
Ha'il has a seasonal warm-temperate climate (Hot desert, Köppen BWh). The hottest month is August with an average daily high near 40°C, while the coldest is January averaging around 4°C at night. Precipitation totals about 0 mm a year and is strongly seasonal — January alone averages 0 mm while January barely receives 0 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsHa'il climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 18 | 20 | 24 | 30 | 35 | 39 | 40 | 40 | 38 | 33 | 24 | 20 |
| Avg temp (°C) | 11 | 13 | 17 | 22 | 28 | 31 | 32 | 32 | 30 | 25 | 17 | 13 |
| Avg low (°C) | 4 | 6 | 9 | 15 | 20 | 23 | 24 | 24 | 22 | 16 | 10 | 6 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 18 | 20 | 24 | 30 | 35 | 39 |
| Avg temp (°C) | 11 | 13 | 17 | 22 | 28 | 31 |
| Avg low (°C) | 4 | 6 | 9 | 15 | 20 | 23 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 40 | 40 | 38 | 33 | 24 | 20 |
| Avg temp (°C) | 32 | 32 | 30 | 25 | 17 | 13 |
| Avg low (°C) | 24 | 24 | 22 | 16 | 10 | 6 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.2 | 0.1 | 0.2 | 0.3 | 0.2 | — | — | 0.0 | — | 0.1 | 0.4 | 0.1 |
| Days with high ≥ 32°C (days) | — | — | 1 | 7 | 21 | 23 | 25 | 25 | 23 | 16 | 0.2 | — |
| Days with low ≤ 0°C (days) | 5 | 2 | 0.2 | — | — | — | — | — | — | — | 0.1 | 2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 0.2 | 0.1 | 0.2 | 0.3 | 0.2 | — |
| Days with high ≥ 32°C (days) | — | — | 1 | 7 | 21 | 23 |
| Days with low ≤ 0°C (days) | 5 | 2 | 0.2 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | — | 0.0 | — | 0.1 | 0.4 | 0.1 |
| Days with high ≥ 32°C (days) | 25 | 25 | 23 | 16 | 0.2 | — |
| Days with low ≤ 0°C (days) | — | — | — | — | 0.1 | 2 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 37 | 36 | 35 | 37 | 36 | 16 | 17 | 19 | 20 | 29 | 35 | 36 |
| Clear days (≤ 30% cloud) | 15 | 14 | 17 | 15 | 16 | 25 | 25 | 24 | 22 | 19 | 16 | 15 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 10 | 10 | 5 | 5 | 6 | 7 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 6 | 4 | 5 | 5 | 5 | 0.7 | 0.7 | 1 | 1 | 3 | 4 | 5 |
| Relative humidity (%) | 47 | 38 | 31 | 26 | 19 | 13 | 14 | 15 | 15 | 22 | 40 | 48 |
| Wind speed (km/h) | 10.3 | 10.8 | 10.8 | 10.8 | 10.5 | 10.3 | 10.7 | 9.6 | 9.1 | 9.8 | 10.5 | 10.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 37 | 36 | 35 | 37 | 36 | 16 |
| Clear days (≤ 30% cloud) | 15 | 14 | 17 | 15 | 16 | 25 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 10 | 10 | 5 |
| Cloudy days (≥ 70%) | 6 | 4 | 5 | 5 | 5 | 0.7 |
| Relative humidity (%) | 47 | 38 | 31 | 26 | 19 | 13 |
| Wind speed (km/h) | 10.3 | 10.8 | 10.8 | 10.8 | 10.5 | 10.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 17 | 19 | 20 | 29 | 35 | 36 |
| Clear days (≤ 30% cloud) | 25 | 24 | 22 | 19 | 16 | 15 |
| Partly cloudy days (30–70%) | 5 | 6 | 7 | 9 | 10 | 12 |
| Cloudy days (≥ 70%) | 0.7 | 1 | 1 | 3 | 4 | 5 |
| Relative humidity (%) | 14 | 15 | 15 | 22 | 40 | 48 |
| Wind speed (km/h) | 10.7 | 9.6 | 9.1 | 9.8 | 10.5 | 10.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Hail, a weather station, about 10 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.