Climate averages 1991–2020
Isfahan weather
in April.
A warm, very dry month: the 7th warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
April is a warm month in Isfahan: daytime highs average 23.2°C and nights cool to about 8.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 9.8 mm of rain on roughly 3 days, which makes April a very dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 58 min on an average April day.
The nearest other city in this atlas is Khomeynī Shahr (13 km away). In April its highs average 23.3°C, about as warm as Isfahan, with 14 mm of rain.
Among the 128 cities listed in Iran, Isfahan ranks 43rd of 128 for the warmest April highs and 10th of 128 for the driest April (rainfall, lowest first). The mean April high of those 128 cities is 21.8°C; Isfahan is 1.4°C warmer than that mean.
From April to May, average highs rise by 5.6°C to 28.8°C, and monthly rainfall falls from 9.8 mm to 7.1 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
Isfahan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.4°C-3.4°C | -3.4°C | 15 | 3.2 | 10.310 h |
| February | 12.1°C-1.6°C | -1.6°C | 12 | 2.8 | 11.011 h |
| March | 17.3°C2.3°C | 2.3°C | 15 | 3.4 | 12.012 h |
| April, selected | 23.2°C8.2°C | 8.2°C | 9.8 | 3.0 | 13.013 h |
| May | 28.8°C13.5°C | 13.5°C | 7.1 | 1.9 | 13.814 h |
| June | 34.4°C18.6°C | 18.6°C | 0.8 | 0.3 | 14.314 h |
| July | 36.9°C21.8°C | 21.8°C | 0.2 | 0.1 | 14.114 h |
| August | 35.5°C20.4°C | 20.4°C | 0 | 0.0 | 13.413 h |
| September | 31.3°C15.5°C | 15.5°C | 0.2 | 0.1 | 12.412 h |
| October | 24.4°C9.6°C | 9.6°C | 2.6 | 0.7 | 11.411 h |
| November | 15.7°C3.0°C | 3.0°C | 15 | 2.5 | 10.511 h |
| December | 10.2°C-1.5°C | -1.5°C | 12 | 3.0 | 10.010 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
- Khomeynī Shahr in AprilIran · 13 kmHigh 23.3°C · Low 7.6°C · 14 mm rain
- Bahārestān in AprilIran · 20 kmHigh 23.7°C · Low 7.8°C · 10 mm rain
- Shāhīn Shahr in AprilIran · 26 kmHigh 22.5°C · Low 7.9°C · 14 mm rain
- Najafābād in AprilIran · 29 kmHigh 22.9°C · Low 6.9°C · 17 mm rain
- Fūlād Shahr in AprilIran · 32 kmHigh 22.6°C · Low 6.5°C · 11 mm rain
- Shahreẕā in AprilIran · 74 kmHigh 21.2°C · Low 6.8°C · 14 mm rain
- Shahr-e Kord in AprilIran · 85 kmHigh 17.1°C · Low 2.8°C · 37 mm rain
- Kashan in AprilIran · 150 kmHigh 23.9°C · Low 11.3°C · 31 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 Isfahan) is explained once on the Isfahan year overview and on the Sources, method and limits page.