Mary climate — normals and trends
Mary (Turkmenistan) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 17.0 °C and it receives 156 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (30.8 °C on average) and the coldest is January (3.6 °C). Rainfall peaks in March.
Mary averages 48 frost days, 138 hot days (≥ 30 °C) and 33 rainy days per year.
No statistically significant temperature trend emerges for Mary between 1940 and 2025: over this span, year-to-year swings outweigh the climate signal.
The hottest day of the period reached 48.0 °C (on 8 July 1944) and the coldest -24.7 °C (on 2 February 1972).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MaryMary
- coords
- 37.59°, 61.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.0°C
Average daily high
23.8°C
Average daily low
11.0°C
Annual rainfall
156mm
Sunshine / day
10.5h
Mean relative humidity
48%
Average peak wind
16.5km/h
Seasonal range
27.2°C
Frost days (< 0 °C)
48 d/yr
Hot days (≥ 30 °C)
138 d/yr
Rainy days (≥ 1 mm)
33 d/yr
Annual snowfall
16.2 cm
Average feels-like high
21.6 °C
Average feels-like low
7.9 °C
Average peak gust
32.5 km/h
Tropical nights (≥ 20 °C)
80 d/yr
Solar radiation
18.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
No clear trend over this period
Over a short window, year-to-year swings outweigh the climate signal. Try 86 years.
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
48.0 °C
8 July 1944
Coldest day
-24.7 °C
2 February 1972
Wettest day
42 mm
2 February 2009
Windiest day
46.6 km/h
6 June 1947
Strongest gust
87.5 km/h
17 February 1946
Hottest feels-like
47.4 °C
7 July 2021
Coldest feels-like
-29.6 °C
2 February 1972
Snowiest day
13.6 cm
25 January 1969
Sunniest day
14.0 h
27 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 10.2 °C | +1.0 °C | 13 mm | -9 mm |
| Feb | 10.5 °C | -1.4 °C | 37 mm | +11 mm |
| Mar | 20.4 °C | +2.8 °C | 15 mm | -20 mm |
| Apr | 29.7 °C | +4.9 °C | 22 mm | -6 mm |
| May | 33.3 °C | +2.2 °C | 0 mm | -10 mm |
| Jun | 35.7 °C | -0.1 °C | 3 mm | +2 mm |
| Jul | 39.7 °C | +2.0 °C | 0 mm | -0 mm |
| Aug | 37.1 °C | +1.4 °C | 0 mm | -0 mm |
| Sep | 32.0 °C | +1.3 °C | 0 mm | -1 mm |
| Oct | 26.6 °C | +2.8 °C | 0 mm | -6 mm |
| Nov | 19.6 °C | +3.2 °C | 2 mm | -10 mm |
| Dec | 12.6 °C | +2.0 °C | 31 mm | +16 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Mary?
Mary has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.0 °C and it receives 156 mm of precipitation per year.
What is the hottest day ever recorded in Mary?
The hottest day measured in Mary between 1940 and 2025 was 8 July 1944, reaching 48.0 °C.
What is the coldest day in Mary?
The coldest day measured in Mary between 1940 and 2025 was 2 February 1972, at -24.7 °C.
Does it snow in Mary?
Yes. Mary gets on average 16.2 cm of snow per year and has around 48 frost days.
Has the climate of Mary warmed?
Between 1940 and 2025, no statistically significant temperature trend emerges in Mary.
What is the wettest day in Mary?
The wettest day measured in Mary between 1940 and 2025 was 2 February 2009, with 42 mm of rain in 24 hours.
What was the windiest day in Mary?
The windiest day measured in Mary between 1940 and 2025 was 6 June 1947, with winds reaching 46.6 km/h.
What is the warmest month in Mary?
The warmest month in Mary is July (30.8 °C on average); the coldest is January (3.6 °C).
How much does it rain in Mary?
Mary receives on average 156 mm of precipitation per year, spread over about 33 rainy days.
Is it sunny in Mary?
Mary gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mary?
The heaviest 24-hour snowfall measured in Mary between 1940 and 2025 was 25 January 1969, with 13.6 cm.
Are there tropical nights in Mary?
Yes: Mary has on average 80 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mary?
In Mary, between 1940 and 2025, the highest apparent temperature reached 47.4 °C on 7 July 2021, and the lowest was -29.6 °C on 2 February 1972.
Compare Mary with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mary