Sirdaryo climate — normals and trends
Sirdaryo (Uzbekistan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.6 °C and it receives 412 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 (30.0 °C on average) and the coldest is January (1.0 °C). Rainfall peaks in March.
Sirdaryo averages 60 frost days, 125 hot days (≥ 30 °C) and 72 rainy days per year.
Sirdaryo has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 76 to 44 per year over the period.
The hottest day of the period reached 47.2 °C (on 5 July 1942) and the coldest -28.7 °C (on 13 February 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
SirdaryoSirdaryo Region
- coords
- 40.84°, 68.66°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.6°C
Average daily high
22.1°C
Average daily low
9.9°C
Annual rainfall
412mm
Sunshine / day
10.1h
Mean relative humidity
57%
Average peak wind
12.0km/h
Seasonal range
29.0°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
125 d/yr
Rainy days (≥ 1 mm)
72 d/yr
Annual snowfall
37.9 cm
Average feels-like high
20.7 °C
Average feels-like low
8.0 °C
Average peak gust
25.2 km/h
Tropical nights (≥ 20 °C)
66 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.20 · 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
47.2 °C
5 July 1942
Coldest day
-28.7 °C
13 February 1969
Wettest day
47 mm
10 April 2003
Windiest day
39.4 km/h
6 February 1977
Strongest gust
88.6 km/h
18 April 2004
Hottest feels-like
48.3 °C
30 July 1983
Coldest feels-like
-33.4 °C
27 January 1969
Snowiest day
18.8 cm
27 January 2006
Sunniest day
14.9 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 | 7.5 °C | +1.8 °C | 28 mm | -15 mm |
| Feb | 10.5 °C | +1.9 °C | 47 mm | -5 mm |
| Mar | 18.4 °C | +2.9 °C | 46 mm | -29 mm |
| Apr | 27.3 °C | +4.3 °C | 25 mm | -45 mm |
| May | 34.0 °C | +4.3 °C | 11 mm | -27 mm |
| Jun | 37.3 °C | +1.6 °C | 3 mm | -8 mm |
| Jul | 39.3 °C | +1.9 °C | 1 mm | -4 mm |
| Aug | 36.5 °C | +1.3 °C | 0 mm | -2 mm |
| Sep | 31.7 °C | +1.8 °C | 1 mm | -3 mm |
| Oct | 25.8 °C | +3.2 °C | 5 mm | -22 mm |
| Nov | 16.8 °C | +2.5 °C | 15 mm | -27 mm |
| Dec | 9.6 °C | +2.0 °C | 107 mm | +61 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 Sirdaryo?
Sirdaryo has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.6 °C and it receives 412 mm of precipitation per year.
What is the hottest day ever recorded in Sirdaryo?
The hottest day measured in Sirdaryo between 1940 and 2025 was 5 July 1942, reaching 47.2 °C.
What is the coldest day in Sirdaryo?
The coldest day measured in Sirdaryo between 1940 and 2025 was 13 February 1969, at -28.7 °C.
Does it snow in Sirdaryo?
Yes. Sirdaryo gets on average 37.9 cm of snow per year and has around 60 frost days.
Has the climate of Sirdaryo warmed?
Yes: Sirdaryo warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sirdaryo?
The wettest day measured in Sirdaryo between 1940 and 2025 was 10 April 2003, with 47 mm of rain in 24 hours.
What was the windiest day in Sirdaryo?
The windiest day measured in Sirdaryo between 1940 and 2025 was 6 February 1977, with winds reaching 39.4 km/h.
What is the warmest month in Sirdaryo?
The warmest month in Sirdaryo is July (30.0 °C on average); the coldest is January (1.0 °C).
How much does it rain in Sirdaryo?
Sirdaryo receives on average 412 mm of precipitation per year, spread over about 72 rainy days.
Is it sunny in Sirdaryo?
Sirdaryo 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 Sirdaryo?
The heaviest 24-hour snowfall measured in Sirdaryo between 1940 and 2025 was 27 January 2006, with 18.8 cm.
Are there tropical nights in Sirdaryo?
Yes: Sirdaryo has on average 66 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sirdaryo?
In Sirdaryo, between 1940 and 2025, the highest apparent temperature reached 48.3 °C on 30 July 1983, and the lowest was -33.4 °C on 27 January 1969.
Compare Sirdaryo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Sirdaryo