Buston climate — normals and trends
Buston (Tajikistan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 14.0 °C and it receives 334 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 (27.4 °C on average) and the coldest is January (0.3 °C). Rainfall peaks in April.
Buston averages 64 frost days, 86 hot days (≥ 30 °C) and 68 rainy days per year.
Buston has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 84 to 44 per year over the period.
The hottest day of the period reached 42.4 °C (on 5 July 1942) and the coldest -21.6 °C (on 27 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
BustonSughd
- coords
- 40.23°, 69.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.0°C
Average daily high
19.0°C
Average daily low
9.3°C
Annual rainfall
334mm
Sunshine / day
10.2h
Mean relative humidity
57%
Average peak wind
15.0km/h
Seasonal range
27.1°C
Frost days (< 0 °C)
64 d/yr
Hot days (≥ 30 °C)
86 d/yr
Rainy days (≥ 1 mm)
68 d/yr
Annual snowfall
42.6 cm
Average feels-like high
16.9 °C
Average feels-like low
7.1 °C
Average peak gust
35.8 km/h
Tropical nights (≥ 20 °C)
50 d/yr
Solar radiation
17.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
42.4 °C
5 July 1942
Coldest day
-21.6 °C
27 January 1969
Wettest day
35 mm
25 April 1998
Windiest day
33.6 km/h
18 March 2021
Strongest gust
77.8 km/h
10 February 2011
Hottest feels-like
43.6 °C
30 July 1983
Coldest feels-like
-26.8 °C
27 January 1969
Snowiest day
11.9 cm
21 February 2008
Sunniest day
14.6 h
2 July 1956
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 | 5.1 °C | +1.4 °C | 19 mm | -9 mm |
| Feb | 8.1 °C | +2.2 °C | 30 mm | -8 mm |
| Mar | 15.5 °C | +3.2 °C | 51 mm | -9 mm |
| Apr | 23.7 °C | +3.6 °C | 33 mm | -29 mm |
| May | 30.1 °C | +4.0 °C | 19 mm | -14 mm |
| Jun | 32.9 °C | +1.4 °C | 7 mm | -4 mm |
| Jul | 35.9 °C | +2.3 °C | 0 mm | -4 mm |
| Aug | 33.6 °C | +1.7 °C | 2 mm | -1 mm |
| Sep | 29.0 °C | +2.1 °C | 1 mm | -5 mm |
| Oct | 22.2 °C | +3.0 °C | 14 mm | -11 mm |
| Nov | 13.8 °C | +2.6 °C | 17 mm | -17 mm |
| Dec | 7.5 °C | +2.0 °C | 64 mm | +33 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 Buston?
Buston has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 14.0 °C and it receives 334 mm of precipitation per year.
What is the hottest day ever recorded in Buston?
The hottest day measured in Buston between 1940 and 2025 was 5 July 1942, reaching 42.4 °C.
What is the coldest day in Buston?
The coldest day measured in Buston between 1940 and 2025 was 27 January 1969, at -21.6 °C.
Does it snow in Buston?
Yes. Buston gets on average 42.6 cm of snow per year and has around 64 frost days.
Has the climate of Buston warmed?
Yes: Buston warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Buston?
The wettest day measured in Buston between 1940 and 2025 was 25 April 1998, with 35 mm of rain in 24 hours.
What was the windiest day in Buston?
The windiest day measured in Buston between 1940 and 2025 was 18 March 2021, with winds reaching 33.6 km/h.
What is the warmest month in Buston?
The warmest month in Buston is July (27.4 °C on average); the coldest is January (0.3 °C).
How much does it rain in Buston?
Buston receives on average 334 mm of precipitation per year, spread over about 68 rainy days.
Is it sunny in Buston?
Buston 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 Buston?
The heaviest 24-hour snowfall measured in Buston between 1940 and 2025 was 21 February 2008, with 11.9 cm.
Are there tropical nights in Buston?
Yes: Buston has on average 50 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Buston?
In Buston, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 30 July 1983, and the lowest was -26.8 °C on 27 January 1969.
Compare Buston with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Buston