Tejen climate — normals and trends
Tejen (Turkmenistan) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 154 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 (32.5 °C on average) and the coldest is January (3.6 °C). Rainfall peaks in March.
Tejen averages 45 frost days, 148 hot days (≥ 30 °C) and 33 rainy days per year.
Tejen has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 60 to 30 per year over the period.
The hottest day of the period reached 48.2 °C (on 6 July 2021) and the coldest -22.7 °C (on 4 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
TejenAhal
- coords
- 37.38°, 60.51°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.9°C
Average daily high
24.7°C
Average daily low
11.8°C
Annual rainfall
154mm
Sunshine / day
10.6h
Mean relative humidity
46%
Average peak wind
17.3km/h
Seasonal range
28.9°C
Frost days (< 0 °C)
45 d/yr
Hot days (≥ 30 °C)
148 d/yr
Rainy days (≥ 1 mm)
33 d/yr
Annual snowfall
14.2 cm
Average feels-like high
22.3 °C
Average feels-like low
8.8 °C
Average peak gust
33.2 km/h
Tropical nights (≥ 20 °C)
97 d/yr
Solar radiation
18.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.19 · p = < 0.001
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
48.2 °C
6 July 2021
Coldest day
-22.7 °C
4 February 1972
Wettest day
39 mm
3 May 1981
Windiest day
49.5 km/h
23 April 1955
Strongest gust
90.7 km/h
17 October 2017
Hottest feels-like
48.8 °C
6 July 2021
Coldest feels-like
-28.0 °C
4 February 1972
Snowiest day
16.1 cm
25 January 1974
Sunniest day
14.0 h
19 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 | 11.8 °C | +2.2 °C | 8 mm | -10 mm |
| Feb | 11.1 °C | -1.1 °C | 19 mm | -5 mm |
| Mar | 21.1 °C | +3.1 °C | 17 mm | -18 mm |
| Apr | 30.1 °C | +4.7 °C | 44 mm | +16 mm |
| May | 34.3 °C | +2.4 °C | 0 mm | -12 mm |
| Jun | 36.7 °C | -0.5 °C | 4 mm | +3 mm |
| Jul | 41.3 °C | +2.0 °C | 0 mm | -0 mm |
| Aug | 38.9 °C | +1.5 °C | 0 mm | -0 mm |
| Sep | 33.6 °C | +1.4 °C | 0 mm | -1 mm |
| Oct | 27.9 °C | +3.0 °C | 0 mm | -6 mm |
| Nov | 21.2 °C | +4.0 °C | 2 mm | -10 mm |
| Dec | 13.3 °C | +2.4 °C | 24 mm | +10 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 Tejen?
Tejen has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 154 mm of precipitation per year.
What is the hottest day ever recorded in Tejen?
The hottest day measured in Tejen between 1940 and 2025 was 6 July 2021, reaching 48.2 °C.
What is the coldest day in Tejen?
The coldest day measured in Tejen between 1940 and 2025 was 4 February 1972, at -22.7 °C.
Does it snow in Tejen?
Yes. Tejen gets on average 14.2 cm of snow per year and has around 45 frost days.
Has the climate of Tejen warmed?
Yes: Tejen warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tejen?
The wettest day measured in Tejen between 1940 and 2025 was 3 May 1981, with 39 mm of rain in 24 hours.
What was the windiest day in Tejen?
The windiest day measured in Tejen between 1940 and 2025 was 23 April 1955, with winds reaching 49.5 km/h.
What is the warmest month in Tejen?
The warmest month in Tejen is July (32.5 °C on average); the coldest is January (3.6 °C).
How much does it rain in Tejen?
Tejen receives on average 154 mm of precipitation per year, spread over about 33 rainy days.
Is it sunny in Tejen?
Tejen gets on average 10.6 hours of sunshine per day, roughly 3,869 hours per year over 1940-2025.
What is the biggest single-day snowfall in Tejen?
The heaviest 24-hour snowfall measured in Tejen between 1940 and 2025 was 25 January 1974, with 16.1 cm.
Are there tropical nights in Tejen?
Yes: Tejen has on average 97 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tejen?
In Tejen, between 1940 and 2025, the highest apparent temperature reached 48.8 °C on 6 July 2021, and the lowest was -28.0 °C on 4 February 1972.
Compare Tejen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tejen