Istaravshan climate — normals and trends
Istaravshan (Tajikistan) has a hot-summer mediterranean continental climate (Dsa) under the Köppen-Geiger classification. Its mean annual temperature is 12.3 °C and it receives 598 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 (25.2 °C on average) and the coldest is January (-0.7 °C). Rainfall peaks in April.
Istaravshan averages 86 frost days, 58 hot days (≥ 30 °C) and 92 rainy days per year.
Istaravshan has warmed by +1.6 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 105 to 67 per year over the period.
The hottest day of the period reached 41.2 °C (on 5 July 1942) and the coldest -23.2 °C (on 7 January 1969).
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
IstaravshanSughd
- coords
- 39.91°, 69.00°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.3°C
Average daily high
17.9°C
Average daily low
7.1°C
Annual rainfall
598mm
Sunshine / day
10.2h
Mean relative humidity
60%
Average peak wind
11.1km/h
Seasonal range
25.9°C
Frost days (< 0 °C)
86 d/yr
Hot days (≥ 30 °C)
58 d/yr
Rainy days (≥ 1 mm)
92 d/yr
Annual snowfall
101.4 cm
Average feels-like high
16.6 °C
Average feels-like low
4.4 °C
Average peak gust
24.3 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
17.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.23 · 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
41.2 °C
5 July 1942
Coldest day
-23.2 °C
7 January 1969
Wettest day
52 mm
15 March 1966
Windiest day
31.2 km/h
5 July 1957
Strongest gust
59.8 km/h
5 July 1957
Hottest feels-like
41.9 °C
30 July 1983
Coldest feels-like
-28.4 °C
7 January 1969
Snowiest day
21.6 cm
5 November 1983
Sunniest day
14.8 h
27 June 1941
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 | 4.6 °C | +1.2 °C | 49 mm | -3 mm |
| Feb | 7.3 °C | +1.7 °C | 61 mm | -6 mm |
| Mar | 14.4 °C | +2.9 °C | 106 mm | -2 mm |
| Apr | 22.6 °C | +3.9 °C | 57 mm | -56 mm |
| May | 28.1 °C | +3.9 °C | 45 mm | -24 mm |
| Jun | 31.3 °C | +1.8 °C | 13 mm | -8 mm |
| Jul | 34.1 °C | +2.5 °C | 1 mm | -7 mm |
| Aug | 31.6 °C | +1.7 °C | 1 mm | -5 mm |
| Sep | 27.0 °C | +1.7 °C | 2 mm | -9 mm |
| Oct | 21.8 °C | +3.2 °C | 18 mm | -21 mm |
| Nov | 13.6 °C | +2.5 °C | 31 mm | -23 mm |
| Dec | 7.3 °C | +1.9 °C | 95 mm | +43 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 Istaravshan?
Istaravshan has a hot-summer mediterranean continental climate (Köppen Dsa). Over 1940-2025, the average annual temperature is 12.3 °C and it receives 598 mm of precipitation per year.
What is the hottest day ever recorded in Istaravshan?
The hottest day measured in Istaravshan between 1940 and 2025 was 5 July 1942, reaching 41.2 °C.
What is the coldest day in Istaravshan?
The coldest day measured in Istaravshan between 1940 and 2025 was 7 January 1969, at -23.2 °C.
Does it snow in Istaravshan?
Yes. Istaravshan gets on average 101.4 cm of snow per year and has around 86 frost days.
Has the climate of Istaravshan warmed?
Yes: Istaravshan warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Istaravshan?
The wettest day measured in Istaravshan between 1940 and 2025 was 15 March 1966, with 52 mm of rain in 24 hours.
What was the windiest day in Istaravshan?
The windiest day measured in Istaravshan between 1940 and 2025 was 5 July 1957, with winds reaching 31.2 km/h.
What is the warmest month in Istaravshan?
The warmest month in Istaravshan is July (25.2 °C on average); the coldest is January (-0.7 °C).
How much does it rain in Istaravshan?
Istaravshan receives on average 598 mm of precipitation per year, spread over about 92 rainy days.
Is it sunny in Istaravshan?
Istaravshan gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
What is the biggest single-day snowfall in Istaravshan?
The heaviest 24-hour snowfall measured in Istaravshan between 1940 and 2025 was 5 November 1983, with 21.6 cm.
Are there tropical nights in Istaravshan?
Yes: Istaravshan has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Istaravshan?
In Istaravshan, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 30 July 1983, and the lowest was -28.4 °C on 7 January 1969.
Compare Istaravshan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Istaravshan