Oltiariq climate — normals and trends
Oltiariq (Uzbekistan) has a cold desert climate (BWk) under the Köppen-Geiger classification. Its mean annual temperature is 16.1 °C and it receives 231 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 (30.8 °C on average) and the coldest is January (1.0 °C). Rainfall peaks in March.
Oltiariq averages 56 frost days, 126 hot days (≥ 30 °C) and 57 rainy days per year.
Oltiariq 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 77 to 35 per year over the period.
The hottest day of the period reached 45.9 °C (on 5 July 1942) and the coldest -22.5 °C (on 28 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
OltiariqFergana
- coords
- 40.39°, 71.47°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.1°C
Average daily high
22.0°C
Average daily low
11.0°C
Annual rainfall
231mm
Sunshine / day
9.9h
Mean relative humidity
53%
Average peak wind
11.2km/h
Seasonal range
29.8°C
Frost days (< 0 °C)
56 d/yr
Hot days (≥ 30 °C)
126 d/yr
Rainy days (≥ 1 mm)
57 d/yr
Annual snowfall
10.0 cm
Average feels-like high
20.5 °C
Average feels-like low
9.2 °C
Average peak gust
25.9 km/h
Tropical nights (≥ 20 °C)
87 d/yr
Solar radiation
16.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
45.9 °C
5 July 1942
Coldest day
-22.5 °C
28 January 1969
Wettest day
25 mm
15 March 2004
Windiest day
47.7 km/h
11 December 1952
Strongest gust
90.4 km/h
29 April 1994
Hottest feels-like
47.6 °C
18 July 1997
Coldest feels-like
-26.8 °C
28 January 1969
Snowiest day
13.2 cm
27 January 2006
Sunniest day
14.3 h
3 July 2025
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 | 6.8 °C | +1.6 °C | 7 mm | -10 mm |
| Feb | 11.2 °C | +2.9 °C | 12 mm | -12 mm |
| Mar | 18.1 °C | +2.7 °C | 30 mm | -8 mm |
| Apr | 25.8 °C | +2.6 °C | 34 mm | -3 mm |
| May | 33.0 °C | +3.1 °C | 19 mm | -6 mm |
| Jun | 36.5 °C | +0.9 °C | 6 mm | -6 mm |
| Jul | 38.5 °C | +0.8 °C | 1 mm | -4 mm |
| Aug | 36.0 °C | +0.2 °C | 3 mm | -1 mm |
| Sep | 31.2 °C | +0.7 °C | 2 mm | -3 mm |
| Oct | 24.4 °C | +2.1 °C | 11 mm | -9 mm |
| Nov | 16.0 °C | +2.7 °C | 2 mm | -22 mm |
| Dec | 9.1 °C | +2.2 °C | 68 mm | +46 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 Oltiariq?
Oltiariq has a cold desert climate (Köppen BWk). Over 1940-2025, the average annual temperature is 16.1 °C and it receives 231 mm of precipitation per year.
What is the hottest day ever recorded in Oltiariq?
The hottest day measured in Oltiariq between 1940 and 2025 was 5 July 1942, reaching 45.9 °C.
What is the coldest day in Oltiariq?
The coldest day measured in Oltiariq between 1940 and 2025 was 28 January 1969, at -22.5 °C.
Does it snow in Oltiariq?
Yes. Oltiariq gets on average 10.0 cm of snow per year and has around 56 frost days.
Has the climate of Oltiariq warmed?
Yes: Oltiariq warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oltiariq?
The wettest day measured in Oltiariq between 1940 and 2025 was 15 March 2004, with 25 mm of rain in 24 hours.
What was the windiest day in Oltiariq?
The windiest day measured in Oltiariq between 1940 and 2025 was 11 December 1952, with winds reaching 47.7 km/h.
What is the warmest month in Oltiariq?
The warmest month in Oltiariq is July (30.8 °C on average); the coldest is January (1.0 °C).
How much does it rain in Oltiariq?
Oltiariq receives on average 231 mm of precipitation per year, spread over about 57 rainy days.
Is it sunny in Oltiariq?
Oltiariq gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oltiariq?
The heaviest 24-hour snowfall measured in Oltiariq between 1940 and 2025 was 27 January 2006, with 13.2 cm.
Are there tropical nights in Oltiariq?
Yes: Oltiariq has on average 87 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oltiariq?
In Oltiariq, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 18 July 1997, and the lowest was -26.8 °C on 28 January 1969.
Compare Oltiariq with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oltiariq