Climate averages 1991–2020
Shīrvān weather
in April.
A mild, fairly dry month: the 7th warmest and the 11th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Shīrvān: daytime highs average 18.3°C and nights cool to about 6.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 38 mm of rain on roughly 8 days, which makes April a fairly dry month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 08 min on an average April day.
The nearest other city in this atlas is Bojnūrd (54 km away). In April its highs average 19.0°C, 0.7°C warmer than Shīrvān, with 61 mm of rain.
Among the 128 cities listed in Iran, Shīrvān ranks joint 91st of 128 for the warmest April highs and 52nd of 128 for the driest April (rainfall, lowest first). The mean April high of those 128 cities is 21.8°C; Shīrvān is 3.5°C cooler than that mean.
From April to May, average highs rise by 4.8°C to 23.1°C, and monthly rainfall falls from 38 mm to 23 mm.
The annual picture
April 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, selected | 18.3°C6.7°C | 6.7°C | 38 | 8.0 | 13.113 h |
| May | 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
April in nearby cities
- Bojnūrd in AprilIran · 54 kmHigh 19.0°C · Low 6.0°C · 61 mm rain
- Qūchān in AprilIran · 61 kmHigh 17.7°C · Low 5.2°C · 65 mm rain
- Ashgabat in AprilTurkmenistan · 73 kmHigh 22.1°C · Low 10.8°C · 46 mm rain
- Sabzevar in AprilIran · 133 kmHigh 23.9°C · Low 10.0°C · 31 mm rain
- Neyshābūr in AprilIran · 153 kmHigh 21.3°C · Low 7.7°C · 46 mm rain
- Mashhad in AprilIran · 193 kmHigh 20.4°C · Low 7.4°C · 54 mm rain
- Marāgheh (Razavi Khorasan), Iran in AprilIran · 231 kmHigh 18.3°C · Low 6.6°C · 63 mm rain
- Kāshmar in AprilIran · 245 kmHigh 23.5°C · Low 10.7°C · 20 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.