Climate averages 1991–2020
Sur weather
in May.
A very hot, very dry month: the 2nd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Sur: daytime highs average 37.6°C and nights cool to about 28.5°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 2.3 mm of rain on fewer than one day, which makes May a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 13 min on an average May day.
The nearest other city in this atlas is Muscat (161 km away). In May its highs average 36.5°C, 1.1°C cooler than Sur, with almost no rain (under 1 mm).
Among the 12 cities listed in Oman, Sur ranks 9th of 12 for the warmest May highs and joint 8th of 12 for the driest May (rainfall, lowest first). The mean May high of those 12 cities is 38.7°C; Sur is 1.1°C cooler than that mean.
From May to June, average highs rise by 0.3°C to 37.9°C, and monthly rainfall rises from 2.3 mm to 21 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
Sur climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.4°C17.8°C | 17.8°C | 10 | 2.6 | 10.911 h |
| February | 26.3°C18.7°C | 18.7°C | 5.8 | 1.4 | 11.411 h |
| March | 29.3°C20.9°C | 20.9°C | 17 | 2.5 | 12.012 h |
| April | 33.7°C24.8°C | 24.8°C | 6.5 | 1.7 | 12.713 h |
| May, selected | 37.6°C28.5°C | 28.5°C | 2.3 | 0.7 | 13.213 h |
| June | 37.9°C29.5°C | 29.5°C | 21 | 0.7 | 13.513 h |
| July | 37.0°C29.3°C | 29.3°C | 4.5 | 0.5 | 13.413 h |
| August | 35.9°C28.1°C | 28.1°C | 2.8 | 0.6 | 12.913 h |
| September | 35.1°C26.5°C | 26.5°C | 0.1 | 0.0 | 12.312 h |
| October | 33.1°C24.7°C | 24.7°C | 5.1 | 1.1 | 11.612 h |
| November | 28.8°C22.0°C | 22.0°C | 8.9 | 1.4 | 11.111 h |
| December | 25.6°C19.3°C | 19.3°C | 9.0 | 1.9 | 10.811 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
- Muscat in MayOman · 161 kmHigh 36.5°C · Low 27.8°C · 0.9 mm rain
- Samā’il in MayOman · 181 kmHigh 40.2°C · Low 28.0°C · 4.7 mm rain
- Seeb in MayOman · 184 kmHigh 36.6°C · Low 28.0°C · 0 mm rain
- Nizwá in MayOman · 209 kmHigh 40.0°C · Low 25.9°C · 4.7 mm rain
- Rustaq in MayOman · 234 kmHigh 40.9°C · Low 28.7°C · 2.3 mm rain
- As Suwayq in MayOman · 257 kmHigh 40.0°C · Low 26.5°C · 0.4 mm rain
- ‘Ibrī in MayOman · 317 kmHigh 40.2°C · Low 24.7°C · 1.1 mm rain
- Şaḩam in MayOman · 323 kmHigh 39.0°C · Low 26.5°C · 0.2 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 Sur) is explained once on the Sur year overview and on the Sources, method and limits page.