Tbilisi climate

Name: Tbilisi
Address: GE

Tbilisi is warmest in August, with average highs of 30 °C, and coldest in January, when nights average -4.1 °C. May is the wettest month (109 mm) and January the driest (25 mm). Figures are 1991–2020 climate normals.

Across a full year Tbilisi averages 681 mm of rain, 96 days above 25 °C and 96 days below freezing.

Georgia · population 1,049,498 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 30 °C
Coldest month January -4.1 °C
Driest month January 25 mm
Wettest month May 109 mm
Least cloud July 38 % cloud
Hottest on record July 40 °C
Coldest on record December -22 °C

What to expectTbilisi through the year

Tbilisi has a clear annual cycle: average daily highs run from 5.5 °C in January to 30 °C in August, a swing of 24 °C in mean temperature across the year.

Counted across a normal year, 96 days a year reach 25 °C, 37 of them reach 30 °C, 96 nights drop below freezing. The warmest reading in the 1991–2020 record is 40 °C, in July.

Rain is strongly seasonal. May averages 109 mm against 25 mm in January — 4.4 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	5.5 °C	25 mm	56 %
February	6.7 °C	29 mm	58 %
March	11.3 °C	60 mm	62 %
April	16.7 °C	101 mm	64 %
May	21.5 °C	109 mm	62 %
June	26.4 °C	73 mm	47 %
July	29.6 °C	47 mm	38 %
August	29.8 °C	47 mm	38 %
September	24.6 °C	53 mm	44 %
October	18.4 °C	65 mm	53 %
November	11.5 °C	43 mm	54 %
December	6.6 °C	29 mm	56 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	5.5 °C	-4.1 °C	0.3 °C	15.9 °C	-21.0 °C	0	0	28
February	6.7 °C	-3.5 °C	1.5 °C	18.9 °C	-20.2 °C	0	0	23
March	11.3 °C	0.5 °C	5.9 °C	24.4 °C	-13.9 °C	0	0	13
April	16.7 °C	5.5 °C	11.3 °C	28.4 °C	-6.3 °C	1	0	2
May	21.5 °C	10.7 °C	16.4 °C	31.7 °C	1.6 °C	5	0	0
June	26.4 °C	15.1 °C	21.0 °C	38.1 °C	6.4 °C	19	5	0
July	29.6 °C	18.6 °C	24.3 °C	39.9 °C	10.5 °C	28	14	0
August	29.8 °C	18.8 °C	24.4 °C	39.1 °C	12.1 °C	28	15	0
September	24.6 °C	14.3 °C	19.4 °C	36.6 °C	4.7 °C	14	3	0
October	18.4 °C	8.7 °C	13.5 °C	29.6 °C	-1.9 °C	1	0	0
November	11.5 °C	1.8 °C	6.4 °C	25.8 °C	-17.4 °C	0	0	8
December	6.6 °C	-2.7 °C	1.5 °C	17.4 °C	-21.7 °C	0	0	23

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	25 mm	6	9.5 h/day	56 %	74 %	11 km/h
February	29 mm	7	11 h/day	58 %	74 %	12 km/h
March	60 mm	11	12 h/day	62 %	73 %	14 km/h
April	101 mm	14	13 h/day	64 %	72 %	13 km/h
May	109 mm	15	15 h/day	62 %	73 %	13 km/h
June	73 mm	10	15 h/day	47 %	68 %	13 km/h
July	47 mm	8	15 h/day	38 %	63 %	13 km/h
August	47 mm	7	14 h/day	38 %	60 %	12 km/h
September	53 mm	8	13 h/day	44 %	67 %	12 km/h
October	65 mm	9	11 h/day	53 %	75 %	11 km/h
November	43 mm	7	9.8 h/day	54 %	79 %	10 km/h
December	29 mm	6	9.2 h/day	56 %	78 %	10 km/h

How Tbilisi compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Tbilisi	30 °C	-4.1 °C	681 mm	96
Vladikavkaz · Russia	24 °C	-6.5 °C	1,165 mm	37
Ganja · Azerbaijan	29 °C	-2.8 °C	557 mm	91
Yerevan · Armenia	31 °C	-6.6 °C	335 mm	105
Nazran · Russia	26 °C	-5.7 °C	694 mm	57
Grozny · Russia	30 °C	-4.4 °C	621 mm	95
Nalchik · Russia	25 °C	-7.1 °C	1,444 mm	42

Planning a trip? See the best time to visit Tbilisi.

QuestionsCommon questions about Tbilisi’s climate

When is the best time to visit Tbilisi?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, September sit closest to 20 °C on average, August is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Tbilisi get?

In August, the warmest month, daily highs average 30 °C. About 37 days a year pass 30 °C. The highest value in the 1991–2020 record is 40 °C.

How cold does it get in winter?

Nights average -4.1 °C in January, the coldest month. A normal year has 96 nights below freezing.

Which month is wettest in Tbilisi?

May, averaging 109 mm over 15 days with rain. The driest month is January with 25 mm. The year as a whole averages 681 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Tbilisi rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 41.691°, 44.834° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.