Tbilisi is warmest in August, averaging 33° by day and 19° at night. The wettest month is June with 102 mm, and the year brings about 498 mm in total.
Month by month
| Month | High | Low | Rain | Daylight | Good for |
|---|---|---|---|---|---|
| January | 8° | -2° | 16 mm | 9.3 h | Cool |
| February | 10° | -2° | 14 mm | 10.3 h | Cool |
| March | 13° | 2° | 59 mm | 11.7 h | Mild |
| April | 21° | 6° | 39 mm | 13.1 h | Sightseeing |
| May | 24° | 12° | 87 mm | 14.4 h | Sightseeing |
| June | 30° | 17° | 102 mm | 15.0 h | Beach weather |
| July | 32° | 19° | 43 mm | 14.7 h | Beach weather |
| August | 33° | 19° | 22 mm | 13.7 h | Beach weather |
| September | 27° | 15° | 33 mm | 12.3 h | Beach weather |
| October | 21° | 9° | 43 mm | 10.8 h | Sightseeing |
| November | 15° | 3° | 21 mm | 9.6 h | Mild |
| December | 9° | -1° | 19 mm | 9.0 h | Cool |
High and low are average daily maximum and minimum, rain is typical monthly total, daylight is the hours between sunrise and sunset mid-month. Climate normals from NASA POWER — averages, not promises.
When to go
Beach weather: June, July, August and September — highs around 31°, nights no colder than 15°, and at most 102 mm of rain in a month.
Walking the city: April, May and October — highs of 21–24° and no more than 87 mm of rain a month.