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Monthly climate in Rustavi, Georgia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Rustavi features a humid subtropical climate (Cfa). Temperatures typically range between 2 °C (35 °F) and 28 °C (82 °F) through the year, but rarely can drop to -8 °C (17 °F) or can rise to as high as 41 °C (106 °F). The average annual precipitation amounts to about 327 mm (12.9 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually. Rustavi enjoys an average of 3811 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.

Monthly average temperatures in Rustavi, Georgia

The warmest months in Rustavi are June, July and August, with daily mean temperatures ranging from 25 to 28 °C (77 - 82 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 2 to 4 °C (35 - 40 °F) throughout the day. On average each year, Rustavi experiences 114 days above 25 °C (77.0 °F) and 69 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rustavi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum15°C
(58°F)		19°C
(67°F)		24°C
(76°F)		29°C
(85°F)		35°C
(95°F)		38°C
(101°F)		41°C
(106°F)		40°C
(104°F)		36°C
(97°F)		30°C
(87°F)		26°C
(80°F)		17°C
(62°F)
Mean maximum13°C
(56°F)		17°C
(62°F)		20°C
(68°F)		26°C
(80°F)		32°C
(90°F)		36°C
(98°F)		39°C
(103°F)		38°C
(100°F)		34°C
(93°F)		27°C
(81°F)		21°C
(70°F)		14°C
(57°F)
Average high7°C
(45°F)		9°C
(49°F)		12°C
(54°F)		18°C
(66°F)		25°C
(77°F)		31°C
(88°F)		34°C
(93°F)		33°C
(91°F)		28°C
(82°F)		21°C
(69°F)		13°C
(56°F)		8°C
(47°F)
Daily mean2°C
(35°F)		4°C
(40°F)		7°C
(45°F)		13°C
(55°F)		19°C
(66°F)		25°C
(77°F)		28°C
(82°F)		27°C
(80°F)		22°C
(72°F)		15°C
(59°F)		8°C
(46°F)		3°C
(38°F)
Average low-2°C
(28°F)		-0°C
(32°F)		3°C
(37°F)		8°C
(46°F)		13°C
(56°F)		19°C
(66°F)		22°C
(72°F)		21°C
(70°F)		17°C
(63°F)		9°C
(49°F)		3°C
(38°F)		-0°C
(32°F)
Mean minimum-6°C
(22°F)		-5°C
(22°F)		-2°C
(28°F)		2°C
(35°F)		8°C
(46°F)		15°C
(59°F)		17°C
(63°F)		17°C
(63°F)		11°C
(52°F)		3°C
(38°F)		-5°C
(24°F)		-5°C
(24°F)
Minimum-8°C
(19°F)		-8°C
(17°F)		-4°C
(24°F)		-0°C
(32°F)		3°C
(38°F)		11°C
(52°F)		13°C
(56°F)		14°C
(57°F)		7°C
(44°F)		-2°C
(29°F)		-7°C
(20°F)		-8°C
(19°F)

Compare climate in Rustavi with other places

Compare temperature, precipitation, sunshine, UV index in Rustavi, Georgia with other places around the world.

Monthly average precipitation in Rustavi, Georgia

Rustavi usually has the most precipitation in March, April and May, with an average of 9 rainy days and 46 mm (1.8 inches) of precipitation per month. The driest months in Rustavi are January, July and August. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rustavi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)15 (0.6)21 (0.8)45 (1.8)45 (1.8)49 (1.9)16 (0.6)13 (0.5)14 (0.5)16 (0.6)35 (1.4)37 (1.4)22 (0.9)
Average precipitation days (≥ 1 mm)35109105423684

Monthly sunshine hours in Rustavi, Georgia

The sunniest months in Rustavi are June, July and August, when the sun shines an average of 13 hours 6 minutes a day. Least sunny months in Rustavi: January, November and December receive an average of 7 hours 39 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rustavi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours206261312324381400411393323298249247
Mean daily daylight hours9h 32m10h 35m11h 57m13h 20m14h 31m15h 7m14h 48m13h 46m12h 26m11h 2m9h 50m9h 12m

Solar UV radiation in Rustavi, Georgia

Rustavi experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 3. For more detailed information, check out our hourly Rustavi UV Index data.

Average daily maximum UV levels by month for Rustavi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)347810111098632