Climate averages 1991–2020
Mary weather
in December.
A cool, very dry month: the 11th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Mary: daytime highs average 11.1°C and nights cool to about 1.2°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 14 mm of rain on roughly 3 days, which makes December a very dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 37 min on an average December day.
The nearest other city in this atlas is Bayramaly (30 km away). In December its highs average 11.1°C, about as warm as Mary, with 15 mm of rain.
Among the 7 cities listed in Turkmenistan, Mary ranks joint 1st of 7 for the warmest December highs and 5th of 7 for the driest December (rainfall, lowest first). The mean December high of those 7 cities is 9.0°C; Mary is 2.2°C warmer than that mean.
From December to January, average highs fall by 0.8°C to 10.3°C, and monthly rainfall rises from 14 mm to 20 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
Mary climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 10.3°C0.0°C | 0.0°C | 20 | 4.5 | 9.910 h |
| February | 12.5°C1.4°C | 1.4°C | 29 | 5.8 | 10.811 h |
| March | 18.4°C6.4°C | 6.4°C | 38 | 6.7 | 11.912 h |
| April | 24.9°C12.4°C | 12.4°C | 24 | 5.0 | 13.113 h |
| May | 31.1°C18.0°C | 18.0°C | 9.8 | 2.6 | 14.214 h |
| June | 36.3°C23.0°C | 23.0°C | 1.0 | 0.3 | 14.715 h |
| July | 38.1°C25.2°C | 25.2°C | 0.4 | 0.2 | 14.514 h |
| August | 36.2°C22.9°C | 22.9°C | 0.1 | 0.1 | 13.614 h |
| September | 30.7°C17.0°C | 17.0°C | 0.7 | 0.2 | 12.512 h |
| October | 23.8°C10.8°C | 10.8°C | 6.3 | 1.5 | 11.311 h |
| November | 16.2°C5.0°C | 5.0°C | 15 | 3.3 | 10.210 h |
| December, selected | 11.1°C1.2°C | 1.2°C | 14 | 3.3 | 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
December in nearby cities
- Bayramaly in DecemberTurkmenistan · 30 kmHigh 11.1°C · Low 1.4°C · 15 mm rain
- Türkmenabat in DecemberTurkmenistan · 224 kmHigh 8.8°C · Low 0.2°C · 13 mm rain
- Mashhad in DecemberIran · 245 kmHigh 9.8°C · Low -1.5°C · 20 mm rain
- Marāgheh (Razavi Khorasan), Iran in DecemberIran · 277 kmHigh 7.7°C · Low -2.1°C · 23 mm rain
- Qūchān in DecemberIran · 298 kmHigh 5.9°C · Low -3.9°C · 22 mm rain
- Ashgabat in DecemberTurkmenistan · 306 kmHigh 9.7°C · Low 0.5°C · 21 mm rain
- Neyshābūr in DecemberIran · 310 kmHigh 9.2°C · Low -1.2°C · 23 mm rain
- Maymana in DecemberAfghanistan · 322 kmHigh 9.5°C · Low -1.4°C · 36 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 Mary) is explained once on the Mary year overview and on the Sources, method and limits page.