Tbilisi in Summer
In summer (June, July and August), Tbilisi sees average daytime highs around 26°C and overnight lows near 16°C, with 168 mm of rain over about 26 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 22°C in early June to 26°C by late August. The sky is clear or mostly clear about 52% of the time across summer, and the air most often feels comfortable.
Summer is Tbilisi's best season of the year to visit on our travel score. For the whole year in context, see Tbilisi's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 16°C
- Rainfall
- 168 mm
- 26 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Tbilisi in Summer
Over the season highs climb from about 22°C in early June to 26°C by late August.
A typical summer day in Tbilisi reaches about 26°C and drops to 16°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Tbilisi
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Tbilisi weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -5° | 25 | 6.4 | 5.6 | 9.3 | 0.0 |
| Feb | 4° / -4° | 30 | 6.7 | 5.7 | 10.3 | 0.1 |
| Mar | 9° / -0° | 64 | 11.3 | 4.3 | 11.7 | 1.7 |
| Apr | 15° / 5° | 105 | 14.3 | 1.1 | 13.1 | 3.8 |
| May | 19° / 10° | 112 | 15.8 | 0 | 14.3 | 5.3 |
| Jun | 24° / 14° | 75 | 11.2 | 0 | 15 | 6.8 |
| Jul | 27° / 17° | 47 | 7.6 | 0 | 14.7 | 7.0 |
| Aug | 28° / 17° | 46 | 7.3 | 0 | 13.7 | 6.9 |
| Sep | 23° / 12° | 51 | 8 | 0 | 12.3 | 7.2 |
| Oct | 17° / 7° | 66 | 9.1 | 0.1 | 10.9 | 5.5 |
| Nov | 10° / 1° | 43 | 7.1 | 2.1 | 9.6 | 2.2 |
| Dec | 4° / -3° | 29 | 6.2 | 4.1 | 9 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 52% of the time across summer.
Chance of precipitation in Summer
Tbilisi gets around 168 mm of rain over 26 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 48 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.1 kWh/m².
Hazard calendar for Tbilisi
In summer, Tbilisi overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Tbilisi's rainy season runs March–June, when most of the year's rain falls.
Is summer a good time to visit Tbilisi?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Tbilisi for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Tbilisi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tbilisi sees daytime highs around 26°C and nights near 16°C. Pack light clothes and sun protection. Worth having: rain gear. About 26 days see rain.
UV index in Tbilisi in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tbilisi peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 3 | 6 | 8 | 9 | 9 | 9 | 6 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 3 | Moderate |
| Apr | 6 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
Air quality in Tbilisi in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Tbilisi is worst in July — around 26 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 13 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Tbilisi's WHO annual average of 20 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 18 | 22 | 23 | 26 | 25 | 26 | 24 | 20 | 15 | 13 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 18 | Moderate |
| Mar | 22 | Moderate |
| Apr | 23 | Moderate |
| May | 26 | Moderate |
| Jun | 25 | Moderate |
| Jul | 26 | Moderate |
| Aug | 24 | Moderate |
| Sep | 20 | Moderate |
| Oct | 15 | Moderate |
| Nov | 13 | Moderate |
| Dec | 13 | Moderate |
Where is Tbilisi?
Tbilisi sits at 41.7°N, 44.8°E, 433 m above sea level, in Georgia. The nearest listed city is Rustavi, 19 km away.
Topography around Tbilisi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tbilisi.
Within 3 km, the terrain around Tbilisi has significant variations in elevation — a maximum elevation change of 353 m around an average of 486 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,952 m.
The land around Tbilisi is covered by artificial surfaces (56%) and trees (23%) within 3 km, grassland (41%) and trees (24%) within 16 km, and trees (43%) and grassland (38%) within 80 km.
Georgia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 33% of US
- price level, 2025
- GDP per capita
- $9,692
- 2025
- Happiness
- 5.5 / 10
- World Happiness, 2025
- Safe drinking water
- 71%
- of population, 2024
- Homicide rate
- 2
- per 100k, 2019
- Road deaths
- 12.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 541
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Tbilisi (41.6914°, 44.8341°, elevation 433 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.