Climate averages 1991–2020
Herāt weather
in May.
A hot, very dry 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 hot month in Herāt: daytime highs average 29.5°C and nights cool to about 13.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 4.5 mm of rain on roughly 1 day, which makes May a very dry month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 56 min on an average May day.
The nearest other city in this atlas is Marāgheh (Razavi Khorasan), Iran (286 km away). In May its highs average 23.7°C, 5.9°C cooler than Herāt, with 34 mm of rain.
Among the 14 cities listed in Afghanistan, Herāt ranks 6th of 14 for the warmest May highs and 2nd of 14 for the driest May (rainfall, lowest first). The mean May high of those 14 cities is 28.1°C; Herāt is 1.5°C warmer than that mean.
From May to June, average highs rise by 4.0°C to 33.5°C, and monthly rainfall falls from 4.5 mm to 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
Herāt climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.9°C-1.8°C | -1.8°C | 49 | 7.4 | 10.110 h |
| February | 11.9°C-0.3°C | -0.3°C | 60 | 8.1 | 10.911 h |
| March | 17.1°C4.0°C | 4.0°C | 68 | 8.9 | 11.912 h |
| April | 23.6°C9.2°C | 9.2°C | 34 | 4.6 | 13.013 h |
| May, selected | 29.5°C13.8°C | 13.8°C | 4.5 | 1.2 | 13.914 h |
| June | 33.5°C17.5°C | 17.5°C | 0.2 | 0.0 | 14.414 h |
| July | 34.7°C20.0°C | 20.0°C | 0 | 0.0 | 14.214 h |
| August | 33.4°C18.0°C | 18.0°C | 0 | 0.0 | 13.413 h |
| September | 30.0°C13.1°C | 13.1°C | 0.4 | 0.0 | 12.412 h |
| October | 24.2°C8.4°C | 8.4°C | 2.5 | 0.6 | 11.411 h |
| November | 17.2°C3.8°C | 3.8°C | 17 | 3.2 | 10.410 h |
| December | 12.2°C-0.1°C | -0.1°C | 28 | 5.1 | 9.910 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
- Marāgheh (Razavi Khorasan), Iran in MayIran · 286 kmHigh 23.7°C · Low 11.9°C · 34 mm rain
- Torbat-e Ḩeydarīyeh in MayIran · 291 kmHigh 27.1°C · Low 13.4°C · 9.4 mm rain
- Maymana in MayAfghanistan · 293 kmHigh 25.3°C · Low 12.8°C · 29 mm rain
- Mashhad in MayIran · 320 kmHigh 25.9°C · Low 12.6°C · 34 mm rain
- Bīrjand in MayIran · 321 kmHigh 29.7°C · Low 14.7°C · 5.7 mm rain
- Kāshmar in MayIran · 355 kmHigh 29.5°C · Low 15.9°C · 6.5 mm rain
- Mary in MayTurkmenistan · 362 kmHigh 31.1°C · Low 18.0°C · 9.8 mm rain
- Bayramaly in MayTurkmenistan · 364 kmHigh 31.2°C · Low 18.1°C · 9.6 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 Herāt) is explained once on the Herāt year overview and on the Sources, method and limits page.