Climate averages 1991–2020
Ha'il weather
in May.
A very hot, very dry month: the 5th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Ha'il: daytime highs average 34.2°C and nights cool to about 19.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 4.3 mm of rain on roughly 1 day, which makes May a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 29 min on an average May day.
The nearest other city in this atlas is Ar Rass (257 km away). In May its highs average 37.7°C, 3.4°C warmer than Ha'il, with 1.7 mm of rain.
Among the 35 cities listed in Saudi Arabia, Ha'il ranks 23rd of 35 for the warmest May highs and joint 25th of 35 for the driest May (rainfall, lowest first). The mean May high of those 35 cities is 34.8°C; Ha'il is 0.6°C cooler than that mean.
From May to June, average highs rise by 3.5°C to 37.7°C, and monthly rainfall falls from 4.3 mm to under 1 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ha'il climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.7°C4.4°C | 4.4°C | 8.5 | 1.8 | 10.611 h |
| February | 19.3°C6.1°C | 6.1°C | 8.0 | 1.3 | 11.211 h |
| March | 23.5°C9.7°C | 9.7°C | 12 | 2.2 | 12.012 h |
| April | 29.2°C14.7°C | 14.7°C | 11 | 2.9 | 12.813 h |
| May, selected | 34.2°C19.7°C | 19.7°C | 4.3 | 1.1 | 13.513 h |
| June | 37.7°C22.9°C | 22.9°C | 0.1 | 0.0 | 13.814 h |
| July | 38.7°C24.3°C | 24.3°C | 0 | 0.0 | 13.714 h |
| August | 39.4°C25.2°C | 25.2°C | 0.1 | 0.0 | 13.113 h |
| September | 37.1°C22.6°C | 22.6°C | 0.1 | 0.0 | 12.312 h |
| October | 31.7°C17.7°C | 17.7°C | 3.2 | 0.9 | 11.512 h |
| November | 22.9°C10.8°C | 10.8°C | 23 | 3.4 | 10.811 h |
| December | 18.3°C6.3°C | 6.3°C | 9.1 | 1.8 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Ar Rass in MaySaudi Arabia · 257 kmHigh 37.7°C · Low 22.1°C · 1.7 mm rain
- Buraydah in MaySaudi Arabia · 263 kmHigh 38.0°C · Low 22.8°C · 1.6 mm rain
- Unaizah in MaySaudi Arabia · 278 kmHigh 37.5°C · Low 22.4°C · 1.7 mm rain
- Sakakah in MaySaudi Arabia · 308 kmHigh 34.0°C · Low 19.5°C · 0.9 mm rain
- Az Zulfī in MaySaudi Arabia · 338 kmHigh 37.6°C · Low 23.3°C · 2.3 mm rain
- Arar in MaySaudi Arabia · 389 kmHigh 33.7°C · Low 19.3°C · 2.1 mm rain
- Madinah in MaySaudi Arabia · 398 kmHigh 38.7°C · Low 23.3°C · 1.9 mm rain
- Ad Dawādimī in MaySaudi Arabia · 430 kmHigh 36.5°C · Low 22.5°C · 2.9 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ha'il) is explained once on the Ha'il year overview and on the Sources, method and limits page.