Climate averages 1991–2020
Siirt weather
in May.
A warm, moderately wet 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 warm month in Siirt: daytime highs average 23.0°C and nights cool to about 9.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 60 mm of rain on roughly 9 days, which makes May a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 12 min on an average May day.
The nearest other city in this atlas is Tatvan (69 km away). In May its highs average 17.3°C, 5.7°C cooler than Siirt, with 84 mm of rain.
Among the 138 cities listed in Turkey, Siirt ranks joint 53rd of 138 for the warmest May highs and joint 96th of 138 for the driest May (rainfall, lowest first). The mean May high of those 138 cities is 22.4°C; Siirt is 0.6°C warmer than that mean.
From May to June, average highs rise by 6.8°C to 29.8°C, and monthly rainfall falls from 60 mm to 5.9 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
Siirt climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.4°C-3.9°C | -3.9°C | 112 | 12.3 | 9.910 h |
| February | 7.1°C-3.1°C | -3.1°C | 118 | 11.8 | 10.811 h |
| March | 11.9°C0.4°C | 0.4°C | 134 | 13.8 | 11.912 h |
| April | 17.3°C5.0°C | 5.0°C | 114 | 13.1 | 13.213 h |
| May, selected | 23.0°C9.9°C | 9.9°C | 60 | 9.0 | 14.214 h |
| June | 29.8°C15.3°C | 15.3°C | 5.9 | 1.7 | 14.715 h |
| July | 34.7°C19.5°C | 19.5°C | 0.9 | 0.3 | 14.515 h |
| August | 34.7°C19.3°C | 19.3°C | 0.7 | 0.2 | 13.614 h |
| September | 29.6°C14.7°C | 14.7°C | 6.2 | 1.1 | 12.512 h |
| October | 22.2°C9.2°C | 9.2°C | 46 | 5.5 | 11.211 h |
| November | 13.4°C2.3°C | 2.3°C | 74 | 7.5 | 10.210 h |
| December | 7.4°C-2.1°C | -2.1°C | 108 | 10.5 | 9.610 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
- Tatvan in MayTurkey · 69 kmHigh 17.3°C · Low 8.5°C · 84 mm rain
- Cizre in MayTurkey · 70 kmHigh 28.3°C · Low 13.7°C · 38 mm rain
- Batman in MayTurkey · 71 kmHigh 25.8°C · Low 13.8°C · 57 mm rain
- Midyat in MayTurkey · 78 kmHigh 24.9°C · Low 13.0°C · 66 mm rain
- Silopi in MayTurkey · 89 kmHigh 27.5°C · Low 12.3°C · 33 mm rain
- Muş in MayTurkey · 98 kmHigh 19.0°C · Low 8.5°C · 132 mm rain
- Zaxo in MayIraq · 109 kmHigh 28.0°C · Low 13.4°C · 35 mm rain
- Bismil in MayTurkey · 113 kmHigh 26.5°C · Low 13.4°C · 48 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 Siirt) is explained once on the Siirt year overview and on the Sources, method and limits page.