Bo‘ka climate — normals and trends
Bo‘ka (Uzbekistan) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 15.2 °C and it receives 440 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 (29.0 °C on average) and the coldest is January (1.3 °C). Rainfall peaks in March.
Bo‘ka averages 57 frost days, 111 hot days (≥ 30 °C) and 72 rainy days per year.
Bo‘ka 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 74 to 40 per year over the period.
The hottest day of the period reached 46.4 °C (on 5 July 1942) and the coldest -25.4 °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
Bo‘kaTashkent Region
- coords
- 40.81°, 69.19°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.2°C
Average daily high
21.3°C
Average daily low
9.9°C
Annual rainfall
440mm
Sunshine / day
10.0h
Mean relative humidity
57%
Average peak wind
11.4km/h
Seasonal range
27.7°C
Frost days (< 0 °C)
57 d/yr
Hot days (≥ 30 °C)
111 d/yr
Rainy days (≥ 1 mm)
72 d/yr
Annual snowfall
53.4 cm
Average feels-like high
20.0 °C
Average feels-like low
7.7 °C
Average peak gust
24.8 km/h
Tropical nights (≥ 20 °C)
62 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.20 · 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
46.4 °C
5 July 1942
Coldest day
-25.4 °C
27 January 1969
Wettest day
45 mm
22 October 1977
Windiest day
40.1 km/h
6 February 1977
Strongest gust
82.4 km/h
7 April 1959
Hottest feels-like
45.9 °C
30 July 1983
Coldest feels-like
-30.9 °C
27 January 1969
Snowiest day
19.4 cm
27 January 2006
Sunniest day
14.8 h
30 June 1961
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 7.4 °C | +1.5 °C | 31 mm | -15 mm |
| Feb | 10.3 °C | +1.9 °C | 48 mm | -9 mm |
| Mar | 17.6 °C | +2.8 °C | 63 mm | -19 mm |
| Apr | 26.3 °C | +4.4 °C | 16 mm | -59 mm |
| May | 32.7 °C | +4.6 °C | 18 mm | -21 mm |
| Jun | 35.8 °C | +1.7 °C | 4 mm | -8 mm |
| Jul | 38.0 °C | +2.1 °C | 0 mm | -4 mm |
| Aug | 35.4 °C | +1.7 °C | 0 mm | -2 mm |
| Sep | 30.6 °C | +1.8 °C | 0 mm | -4 mm |
| Oct | 24.8 °C | +3.0 °C | 4 mm | -23 mm |
| Nov | 16.4 °C | +2.4 °C | 19 mm | -26 mm |
| Dec | 9.8 °C | +2.1 °C | 103 mm | +55 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 Bo‘ka?
Bo‘ka has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 15.2 °C and it receives 440 mm of precipitation per year.
What is the hottest day ever recorded in Bo‘ka?
The hottest day measured in Bo‘ka between 1940 and 2025 was 5 July 1942, reaching 46.4 °C.
What is the coldest day in Bo‘ka?
The coldest day measured in Bo‘ka between 1940 and 2025 was 27 January 1969, at -25.4 °C.
Does it snow in Bo‘ka?
Yes. Bo‘ka gets on average 53.4 cm of snow per year and has around 57 frost days.
Has the climate of Bo‘ka warmed?
Yes: Bo‘ka warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Bo‘ka?
The wettest day measured in Bo‘ka between 1940 and 2025 was 22 October 1977, with 45 mm of rain in 24 hours.
What was the windiest day in Bo‘ka?
The windiest day measured in Bo‘ka between 1940 and 2025 was 6 February 1977, with winds reaching 40.1 km/h.
What is the warmest month in Bo‘ka?
The warmest month in Bo‘ka is July (29.0 °C on average); the coldest is January (1.3 °C).
How much does it rain in Bo‘ka?
Bo‘ka receives on average 440 mm of precipitation per year, spread over about 72 rainy days.
Is it sunny in Bo‘ka?
Bo‘ka gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
What is the biggest single-day snowfall in Bo‘ka?
The heaviest 24-hour snowfall measured in Bo‘ka between 1940 and 2025 was 27 January 2006, with 19.4 cm.
Are there tropical nights in Bo‘ka?
Yes: Bo‘ka has on average 62 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Bo‘ka?
In Bo‘ka, between 1940 and 2025, the highest apparent temperature reached 45.9 °C on 30 July 1983, and the lowest was -30.9 °C on 27 January 1969.
Compare Bo‘ka with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Bo‘ka