Boldumsaz climate — normals and trends
Boldumsaz (Turkmenistan) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 12.8 °C and it receives 99 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 (28.9 °C on average) and the coldest is January (-3.7 °C). Rainfall peaks in March.
Boldumsaz averages 111 frost days, 102 hot days (≥ 30 °C) and 25 rainy days per year.
Boldumsaz has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 118 to 104 per year over the period.
The hottest day of the period reached 46.7 °C (on 8 July 1944) and the coldest -31.8 °C (on 24 January 1973).
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
BoldumsazDasoguz
- coords
- 42.13°, 59.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.8°C
Average daily high
18.7°C
Average daily low
7.1°C
Annual rainfall
99mm
Sunshine / day
10.1h
Mean relative humidity
52%
Average peak wind
17.6km/h
Seasonal range
32.6°C
Frost days (< 0 °C)
111 d/yr
Hot days (≥ 30 °C)
102 d/yr
Rainy days (≥ 1 mm)
25 d/yr
Annual snowfall
14.5 cm
Average feels-like high
15.9 °C
Average feels-like low
3.6 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
56 d/yr
Solar radiation
16.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.09 · p = 0.005
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
46.7 °C
8 July 1944
Coldest day
-31.8 °C
24 January 1973
Wettest day
38 mm
29 September 2016
Windiest day
52.6 km/h
27 March 1953
Strongest gust
93.2 km/h
27 March 1953
Hottest feels-like
46.6 °C
3 August 2011
Coldest feels-like
-36.7 °C
24 January 1973
Snowiest day
11.6 cm
24 January 1959
Sunniest day
14.0 h
20 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 | 4.1 °C | +3.3 °C | 5 mm | -4 mm |
| Feb | 3.6 °C | -0.1 °C | 17 mm | +6 mm |
| Mar | 14.9 °C | +3.5 °C | 23 mm | +5 mm |
| Apr | 26.6 °C | +5.5 °C | 9 mm | -7 mm |
| May | 32.1 °C | +3.8 °C | 1 mm | -8 mm |
| Jun | 32.8 °C | -0.6 °C | 21 mm | +17 mm |
| Jul | 36.8 °C | +1.4 °C | 0 mm | -2 mm |
| Aug | 34.5 °C | +1.2 °C | 1 mm | -0 mm |
| Sep | 27.3 °C | +0.3 °C | 3 mm | -0 mm |
| Oct | 21.6 °C | +3.1 °C | 2 mm | -5 mm |
| Nov | 14.9 °C | +5.6 °C | 1 mm | -7 mm |
| Dec | 4.3 °C | +1.8 °C | 15 mm | +5 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 Boldumsaz?
Boldumsaz has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 12.8 °C and it receives 99 mm of precipitation per year.
What is the hottest day ever recorded in Boldumsaz?
The hottest day measured in Boldumsaz between 1940 and 2025 was 8 July 1944, reaching 46.7 °C.
What is the coldest day in Boldumsaz?
The coldest day measured in Boldumsaz between 1940 and 2025 was 24 January 1973, at -31.8 °C.
Does it snow in Boldumsaz?
Yes. Boldumsaz gets on average 14.5 cm of snow per year and has around 111 frost days.
Has the climate of Boldumsaz warmed?
Yes: Boldumsaz warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Boldumsaz?
The wettest day measured in Boldumsaz between 1940 and 2025 was 29 September 2016, with 38 mm of rain in 24 hours.
What was the windiest day in Boldumsaz?
The windiest day measured in Boldumsaz between 1940 and 2025 was 27 March 1953, with winds reaching 52.6 km/h.
What is the warmest month in Boldumsaz?
The warmest month in Boldumsaz is July (28.9 °C on average); the coldest is January (-3.7 °C).
How much does it rain in Boldumsaz?
Boldumsaz receives on average 99 mm of precipitation per year, spread over about 25 rainy days.
Is it sunny in Boldumsaz?
Boldumsaz gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.
What is the biggest single-day snowfall in Boldumsaz?
The heaviest 24-hour snowfall measured in Boldumsaz between 1940 and 2025 was 24 January 1959, with 11.6 cm.
Are there tropical nights in Boldumsaz?
Yes: Boldumsaz has on average 56 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Boldumsaz?
In Boldumsaz, between 1940 and 2025, the highest apparent temperature reached 46.6 °C on 3 August 2011, and the lowest was -36.7 °C on 24 January 1973.
Compare Boldumsaz with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Boldumsaz