Climate averages 1991–2020
Shīrvān weather
in May.
A warm, fairly dry month: the 5th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Shīrvān: daytime highs average 23.1°C and nights cool to about 11.6°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 23 mm of rain on roughly 5 days, which makes May a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 09 min on an average May day.
The nearest other city in this atlas is Bojnūrd (54 km away). In May its highs average 24.0°C, 0.9°C warmer than Shīrvān, with 40 mm of rain.
Among the 128 cities listed in Iran, Shīrvān ranks joint 102nd of 128 for the warmest May highs and joint 77th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Shīrvān is 4.7°C cooler than that mean.
From May to June, average highs rise by 5.0°C to 28.1°C, and monthly rainfall falls from 23 mm to 6.7 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
Shīrvān climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.8°C-5.2°C | -5.2°C | 26 | 5.4 | 9.910 h |
| February | 5.4°C-4.1°C | -4.1°C | 34 | 6.7 | 10.811 h |
| March | 11.7°C0.9°C | 0.9°C | 49 | 9.2 | 11.912 h |
| April | 18.3°C6.7°C | 6.7°C | 38 | 8.0 | 13.113 h |
| May, selected | 23.1°C11.6°C | 11.6°C | 23 | 5.3 | 14.214 h |
| June | 28.1°C16.0°C | 16.0°C | 6.7 | 1.7 | 14.715 h |
| July | 30.7°C18.6°C | 18.6°C | 4.2 | 1.0 | 14.514 h |
| August | 29.9°C17.6°C | 17.6°C | 2.6 | 0.7 | 13.614 h |
| September | 26.2°C13.9°C | 13.9°C | 3.6 | 0.9 | 12.512 h |
| October | 20.1°C8.9°C | 8.9°C | 11 | 2.7 | 11.311 h |
| November | 12.3°C2.7°C | 2.7°C | 21 | 5.0 | 10.210 h |
| December | 6.7°C-2.2°C | -2.2°C | 18 | 4.5 | 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
- Bojnūrd in MayIran · 54 kmHigh 24.0°C · Low 10.6°C · 40 mm rain
- Qūchān in MayIran · 61 kmHigh 22.4°C · Low 10.0°C · 52 mm rain
- Ashgabat in MayTurkmenistan · 73 kmHigh 28.2°C · Low 16.5°C · 23 mm rain
- Sabzevar in MayIran · 133 kmHigh 29.7°C · Low 15.5°C · 17 mm rain
- Neyshābūr in MayIran · 153 kmHigh 27.0°C · Low 12.2°C · 36 mm rain
- Mashhad in MayIran · 193 kmHigh 25.9°C · Low 12.6°C · 34 mm rain
- Marāgheh (Razavi Khorasan), Iran in MayIran · 231 kmHigh 23.7°C · Low 11.9°C · 34 mm rain
- Kāshmar in MayIran · 245 kmHigh 29.5°C · Low 15.9°C · 6.5 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 Shīrvān) is explained once on the Shīrvān year overview and on the Sources, method and limits page.