Rustavi climate — normals and trends
Rustavi (Georgia) has a cold semi-arid climate (BSk) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 365 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 (25.8 °C on average) and the coldest is January (0.3 °C). Rainfall peaks in May.
Rustavi averages 86 frost days, 60 hot days (≥ 30 °C) and 82 rainy days per year.
Rustavi has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 101 to 71 per year over the period.
The hottest day of the period reached 41.0 °C (on 1 August 2000) and the coldest -23.6 °C (on 20 January 1972).
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
RustaviKvemo Kartli
- coords
- 41.56°, 44.98°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.0°C
Average daily high
18.4°C
Average daily low
8.3°C
Annual rainfall
365mm
Sunshine / day
9.3h
Mean relative humidity
63%
Average peak wind
11.0km/h
Seasonal range
25.5°C
Frost days (< 0 °C)
86 d/yr
Hot days (≥ 30 °C)
60 d/yr
Rainy days (≥ 1 mm)
82 d/yr
Annual snowfall
33.7 cm
Average feels-like high
16.9 °C
Average feels-like low
6.4 °C
Average peak gust
25.4 km/h
Tropical nights (≥ 20 °C)
42 d/yr
Solar radiation
14.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.49 · 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
41.0 °C
1 August 2000
Coldest day
-23.6 °C
20 January 1972
Wettest day
38 mm
25 May 1946
Windiest day
37.2 km/h
12 April 2022
Strongest gust
81.7 km/h
9 March 1961
Hottest feels-like
44.3 °C
31 July 2011
Coldest feels-like
-28.4 °C
20 January 1972
Snowiest day
11.1 cm
5 March 1991
Sunniest day
14.0 h
29 June 2020
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 | 8.0 °C | +2.6 °C | 11 mm | -10 mm |
| Feb | 5.5 °C | -1.5 °C | 32 mm | +6 mm |
| Mar | 15.8 °C | +4.3 °C | 30 mm | -13 mm |
| Apr | 17.5 °C | -0.5 °C | 56 mm | +7 mm |
| May | 23.6 °C | +0.4 °C | 60 mm | +11 mm |
| Jun | 28.5 °C | +0.3 °C | 9 mm | -22 mm |
| Jul | 33.6 °C | +2.1 °C | 17 mm | -2 mm |
| Aug | 33.7 °C | +2.5 °C | 7 mm | -9 mm |
| Sep | 25.3 °C | -0.7 °C | 32 mm | +10 mm |
| Oct | 20.8 °C | +1.5 °C | 21 mm | -14 mm |
| Nov | 18.0 °C | +5.5 °C | 3 mm | -29 mm |
| Dec | 8.2 °C | +1.2 °C | 28 mm | +5 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 Rustavi?
Rustavi has a cold semi-arid climate (Köppen BSk). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 365 mm of precipitation per year.
What is the hottest day ever recorded in Rustavi?
The hottest day measured in Rustavi between 1940 and 2025 was 1 August 2000, reaching 41.0 °C.
What is the coldest day in Rustavi?
The coldest day measured in Rustavi between 1940 and 2025 was 20 January 1972, at -23.6 °C.
Does it snow in Rustavi?
Yes. Rustavi gets on average 33.7 cm of snow per year and has around 86 frost days.
Has the climate of Rustavi warmed?
Yes: Rustavi warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Rustavi?
The wettest day measured in Rustavi between 1940 and 2025 was 25 May 1946, with 38 mm of rain in 24 hours.
What was the windiest day in Rustavi?
The windiest day measured in Rustavi between 1940 and 2025 was 12 April 2022, with winds reaching 37.2 km/h.
What is the warmest month in Rustavi?
The warmest month in Rustavi is July (25.8 °C on average); the coldest is January (0.3 °C).
How much does it rain in Rustavi?
Rustavi receives on average 365 mm of precipitation per year, spread over about 82 rainy days.
Is it sunny in Rustavi?
Rustavi gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Rustavi?
The heaviest 24-hour snowfall measured in Rustavi between 1940 and 2025 was 5 March 1991, with 11.1 cm.
Are there tropical nights in Rustavi?
Yes: Rustavi has on average 42 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Rustavi?
In Rustavi, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 31 July 2011, and the lowest was -28.4 °C on 20 January 1972.
Compare Rustavi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Rustavi