Climate averages 1991–2020
Jahrom weather
in May.
A very hot, very dry month: the 5th warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a very hot month in Jahrom: daytime highs average 35.2°C and nights cool to about 21.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Rain is very rare: less than 1 mm falls in a typical May (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 33 min on an average May day.
The nearest other city in this atlas is Fasā (49 km away). In May its highs average 32.3°C, 2.9°C cooler than Jahrom, with 3.0 mm of rain.
Among the 128 cities listed in Iran, Jahrom ranks 19th of 128 for the warmest May highs and joint 4th of 128 for the driest May (rainfall, lowest first). The mean May high of those 128 cities is 27.8°C; Jahrom is 7.4°C warmer than that mean.
From May to June, average highs rise by 4.4°C to 39.6°C, and monthly rainfall stays under 1 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
Jahrom climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 15.6°C5.7°C | 5.7°C | 65 | 6.1 | 10.511 h |
| February | 17.9°C7.3°C | 7.3°C | 49 | 5.1 | 11.211 h |
| March | 22.2°C10.8°C | 10.8°C | 50 | 5.0 | 12.012 h |
| April | 28.4°C16.1°C | 16.1°C | 13 | 2.1 | 12.813 h |
| May, selected | 35.2°C21.8°C | 21.8°C | 0.9 | 0.3 | 13.614 h |
| June | 39.6°C25.2°C | 25.2°C | 0.2 | 0.1 | 13.914 h |
| July | 40.7°C26.9°C | 26.9°C | 1.0 | 0.4 | 13.814 h |
| August | 39.8°C25.9°C | 25.9°C | 2.1 | 0.8 | 13.213 h |
| September | 36.4°C22.7°C | 22.7°C | 0.6 | 0.2 | 12.412 h |
| October | 30.8°C18.0°C | 18.0°C | 0.5 | 0.2 | 11.512 h |
| November | 23.3°C12.0°C | 12.0°C | 15 | 2.2 | 10.811 h |
| December | 18.3°C7.7°C | 7.7°C | 45 | 3.6 | 10.410 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
- Fasā in MayIran · 49 kmHigh 32.3°C · Low 17.7°C · 3.0 mm rain
- Dārāb in MayIran · 100 kmHigh 34.3°C · Low 19.4°C · 1.0 mm rain
- Shiraz in MayIran · 159 kmHigh 30.0°C · Low 16.8°C · 7.6 mm rain
- Marvdasht in MayIran · 170 kmHigh 29.0°C · Low 11.8°C · 3.4 mm rain
- Shahr-e Ṣadrā in MayIran · 177 kmHigh 26.8°C · Low 11.4°C · 4.5 mm rain
- Kāzerūn in MayIran · 223 kmHigh 33.7°C · Low 18.8°C · 2.4 mm rain
- Sirjan in MayIran · 232 kmHigh 29.1°C · Low 14.5°C · 3.3 mm rain
- Borāzjān in MayIran · 244 kmHigh 39.5°C · Low 23.9°C · 1.8 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 Jahrom) is explained once on the Jahrom year overview and on the Sources, method and limits page.