Climate averages 1991–2020
Tbilisi weather
in August.
A hot, moderately wet month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Tbilisi: daytime highs average 29.9°C and nights cool to about 19.0°C. By daytime temperature it is the warmest month of the year.
Expect about 46 mm of rain on roughly 7 days, which makes August a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 51 min on an average August day.
The nearest other city in this atlas is Rustavi (19 km away). In August its highs average 31.4°C, 1.5°C warmer than Tbilisi, with 15 mm of rain.
Among the 4 cities listed in Georgia, Tbilisi ranks 2nd of 4 for the warmest August highs and 2nd of 4 for the driest August (rainfall, lowest first). The mean August high of those 4 cities is 29.1°C; Tbilisi is 0.8°C warmer than that mean.
From August to September, average highs fall by 5.3°C to 24.6°C, and monthly rainfall rises from 46 mm to 51 mm.
The annual picture
August in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Tbilisi climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.6°C-3.8°C | -3.8°C | 25 | 6.4 | 9.510 h |
| February | 6.9°C-3.2°C | -3.2°C | 30 | 6.8 | 10.611 h |
| March | 11.4°C0.8°C | 0.8°C | 64 | 11.3 | 11.912 h |
| April | 16.7°C5.9°C | 5.9°C | 105 | 14.3 | 13.313 h |
| May | 21.5°C11.0°C | 11.0°C | 111 | 15.8 | 14.515 h |
| June | 26.3°C15.2°C | 15.2°C | 75 | 11.2 | 15.115 h |
| July | 29.6°C18.8°C | 18.8°C | 47 | 7.6 | 14.915 h |
| August, selected | 29.9°C19.0°C | 19.0°C | 46 | 7.3 | 13.914 h |
| September | 24.6°C14.7°C | 14.7°C | 51 | 8.0 | 12.513 h |
| October | 18.6°C8.9°C | 8.9°C | 65 | 9.1 | 11.111 h |
| November | 11.6°C2.0°C | 2.0°C | 43 | 7.1 | 9.910 h |
| December | 6.7°C-2.5°C | -2.5°C | 29 | 6.2 | 9.29 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
August in nearby cities
- Rustavi in AugustGeorgia · 19 kmHigh 31.4°C · Low 20.3°C · 15 mm rain
- Vanadzor in AugustArmenia · 102 kmHigh 22.4°C · Low 13.8°C · 84 mm rain
- Gyumri in AugustArmenia · 130 kmHigh 24.6°C · Low 11.8°C · 40 mm rain
- Vladikavkaz in AugustRussia · 151 kmHigh 23.9°C · Low 15.1°C · 169 mm rain
- Ganja in AugustAzerbaijan · 170 kmHigh 28.9°C · Low 18.9°C · 47 mm rain
- Yerevan in AugustArmenia · 170 kmHigh 30.5°C · Low 17.3°C · 5.6 mm rain
- Nazran in AugustRussia · 171 kmHigh 25.8°C · Low 17.0°C · 65 mm rain
- Sunzha in AugustRussia · 182 kmHigh 27.5°C · Low 18.2°C · 72 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tbilisi) is explained once on the Tbilisi year overview and on the Sources, method and limits page.