Climate averages 1991–2020
Sumayl weather
in May.
A hot, fairly dry month: the 5th warmest and the 6th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Sumayl: daytime highs average 28.4°C and nights cool to about 14.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 25 mm of rain on roughly 4 days, which makes May a fairly dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 07 min on an average May day.
The nearest other city in this atlas is Simele (0 km away). In May its highs average 28.3°C, about as warm as Sumayl, with 25 mm of rain.
Among the 59 cities listed in Iraq, Sumayl ranks 49th of 59 for the warmest May highs and joint 50th of 59 for the driest May (rainfall, lowest first). The mean May high of those 59 cities is 35.2°C; Sumayl is 6.8°C cooler than that mean.
From May to June, average highs rise by 7.1°C to 35.5°C, and monthly rainfall falls from 25 mm to 1.2 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
Sumayl climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.1°C0.6°C | 0.6°C | 83 | 10.1 | 9.910 h |
| February | 11.9°C1.3°C | 1.3°C | 75 | 10.0 | 10.811 h |
| March | 16.3°C4.6°C | 4.6°C | 82 | 10.1 | 11.912 h |
| April | 21.9°C9.2°C | 9.2°C | 58 | 8.6 | 13.113 h |
| May, selected | 28.4°C14.3°C | 14.3°C | 25 | 4.2 | 14.114 h |
| June | 35.5°C19.7°C | 19.7°C | 1.2 | 0.4 | 14.615 h |
| July | 39.7°C23.4°C | 23.4°C | 0.3 | 0.1 | 14.414 h |
| August | 39.2°C23.0°C | 23.0°C | 0.2 | 0.0 | 13.614 h |
| September | 34.2°C18.6°C | 18.6°C | 1.0 | 0.3 | 12.512 h |
| October | 27.1°C13.7°C | 13.7°C | 24 | 3.3 | 11.311 h |
| November | 17.8°C6.8°C | 6.8°C | 52 | 6.2 | 10.210 h |
| December | 12.0°C2.4°C | 2.4°C | 75 | 8.8 | 9.710 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
- Simele in MayIraq · 0 kmHigh 28.3°C · Low 14.2°C · 25 mm rain
- Dihok in MayIraq · 12 kmHigh 28.0°C · Low 14.1°C · 24 mm rain
- Sīnah in MayIraq · 18 kmHigh 28.1°C · Low 13.3°C · 24 mm rain
- Zaxo in MayIraq · 35 kmHigh 28.0°C · Low 13.4°C · 35 mm rain
- Silopi in MayTurkey · 55 kmHigh 27.5°C · Low 12.3°C · 33 mm rain
- Al Mawşil al Jadīdah in MayIraq · 63 kmHigh 32.4°C · Low 17.9°C · 16 mm rain
- Cizre in MayTurkey · 79 kmHigh 28.3°C · Low 13.7°C · 38 mm rain
- 'Ākra in MayIraq · 93 kmHigh 27.4°C · Low 13.6°C · 38 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 Sumayl) is explained once on the Sumayl year overview and on the Sources, method and limits page.
Simele lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.