Climate averages 1991–2020
Herāt weather
in December.
A cool, fairly dry month: the 10th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Herāt: daytime highs average 12.2°C and nights cool to about -0.1°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 28 mm of rain on roughly 5 days, which makes December a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 54 min on an average December day.
The nearest other city in this atlas is Marāgheh (Razavi Khorasan), Iran (286 km away). In December its highs average 7.7°C, 4.6°C cooler than Herāt, with 23 mm of rain.
Among the 14 cities listed in Afghanistan, Herāt ranks 4th of 14 for the warmest December highs and 10th of 14 for the driest December (rainfall, lowest first). The mean December high of those 14 cities is 10.5°C; Herāt is 1.7°C warmer than that mean.
From December to January, average highs fall by 2.3°C to 9.9°C, and monthly rainfall rises from 28 mm to 49 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Marāgheh (Razavi Khorasan), Iran in DecemberIran · 286 kmHigh 7.7°C · Low -2.1°C · 23 mm rain
- Torbat-e Ḩeydarīyeh in DecemberIran · 291 kmHigh 8.7°C · Low -0.4°C · 17 mm rain
- Maymana in DecemberAfghanistan · 293 kmHigh 9.5°C · Low -1.4°C · 36 mm rain
- Mashhad in DecemberIran · 320 kmHigh 9.8°C · Low -1.5°C · 20 mm rain
- Bīrjand in DecemberIran · 321 kmHigh 12.3°C · Low 1.1°C · 22 mm rain
- Kāshmar in DecemberIran · 355 kmHigh 10.1°C · Low 0.9°C · 15 mm rain
- Mary in DecemberTurkmenistan · 362 kmHigh 11.1°C · Low 1.2°C · 14 mm rain
- Bayramaly in DecemberTurkmenistan · 364 kmHigh 11.1°C · Low 1.4°C · 15 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.