Climate averages 1991–2020
Tbilisi weather
in May.
A mild, wet month: the 5th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Tbilisi: daytime highs average 21.5°C and nights cool to about 11.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 111 mm of rain on roughly 16 days, which makes May a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 14 h 31 min on an average May day.
The nearest other city in this atlas is Rustavi (19 km away). In May its highs average 22.9°C, 1.4°C warmer than Tbilisi, with 45 mm of rain.
Among the 4 cities listed in Georgia, Tbilisi ranks 3rd of 4 for the warmest May highs and 3rd of 4 for the driest May (rainfall, lowest first). The mean May high of those 4 cities is 22.0°C; Tbilisi is 0.5°C cooler than that mean.
From May to June, average highs rise by 4.8°C to 26.3°C, and monthly rainfall falls from 111 mm to 75 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Rustavi in MayGeorgia · 19 kmHigh 22.9°C · Low 11.9°C · 45 mm rain
- Vanadzor in MayArmenia · 102 kmHigh 16.5°C · Low 6.6°C · 168 mm rain
- Gyumri in MayArmenia · 130 kmHigh 16.5°C · Low 5.1°C · 119 mm rain
- Vladikavkaz in MayRussia · 151 kmHigh 18.1°C · Low 8.6°C · 157 mm rain
- Ganja in MayAzerbaijan · 170 kmHigh 21.2°C · Low 11.7°C · 96 mm rain
- Yerevan in MayArmenia · 170 kmHigh 20.4°C · Low 8.3°C · 39 mm rain
- Nazran in MayRussia · 171 kmHigh 19.3°C · Low 10.0°C · 98 mm rain
- Sunzha in MayRussia · 182 kmHigh 20.4°C · Low 10.8°C · 106 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.