Mild
Average highs are around 21°C, so days are mild rather than hot.
May verdict
Mixed for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 88mm, so some wet days are possible.

Monthly averages
Temp
21°C
Rain
88mm
Sun
7.6h
Sea
17°C
Weather score
44
Mixed
Mild
Average highs are around 21°C, so days are mild rather than hot.
Showers
Rainfall averages 88mm, so some wet days are possible.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 17°C, so the water can feel cool.
Map
Compare Batumi, Georgia with nearby places by weather score, rain, sun, temperature, and swim conditions.
May21°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May88mm average rain
May is one of Batumi's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMarch to May and July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May7.6 hours average sun
May is brighter than Batumi's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to June
This stretch has the strongest sunshine in the monthly averages.
May17°C average sea
May is close to Batumi's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
May44 weather score
May sits close to Batumi's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.