Weather in Bursa

August is the warmest month (average 24.4°C, high 31.1°C) and January is the coolest (average 3.5°C, low -0.5°C). That 20.9°C swing in monthly averages is the first thing to plan around in Bursa.

Rain is wet season runs from December to January, inside an annual total of 642 mm. The wettest month is December at 90 mm; the driest is August at 13 mm. Bursa is in Turkey at 40.2°N. The 2001–2020 NASA POWER daily record describes a continental climate with a wide temperature swing. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are June, July, and August.

Rain through the year

The wet season in Bursa starts in December and ends in January (December and January). December is the core of it at 90 mm. August is the other extreme, with 13 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. December averages 12 such days; August averages 3.

How warm Bursa gets

Monthly average highs run from 7.6°C in January to 31.1°C in August. Nights follow the same curve: -0.5°C in January and 17.6°C in August.

Mean high across all twelve months is 19.3°C and mean low is 8.3°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

The calendar in Bursa

January closes the wet season: 84 mm over 13 rainy days, then the calendar dries. In March, Bursa averages 13.3°C by day and 2.6°C at night, with 60 mm of rain. April brings 51 mm and 9 rainy days; temperatures run from 6.1°C to 17.6°C. May stands apart from the months beside it: 22.6°C / 10.9°C and 44 mm. June: 26.9°C high, 14.8°C low, 40 mm rain, 63% humidity.

Peak heat arrives in August: 31.1°C by day, 17.6°C at night, and 59% humidity. September stands apart from the months beside it: 26.7°C / 14.2°C and 47 mm. October stands apart from the months beside it: 20.9°C / 9.9°C and 67 mm. November brings 61 mm and 8 rainy days; temperatures run from 5.2°C to 15.3°C. December is when the wet season typically starts in Bursa: highs near 9.5°C, and rainfall jumps to 90 mm (12 rainy days).

Best months to visit Bursa

The three months with the highest comfort score are June, July, and August: June (20.8°C average, 40 mm, 63% humidity); July (23.9°C average, 14 mm, 58% humidity); August (24.4°C average, 13 mm, 59% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the wet season itself — fewer crowds, greener landscape, heavier rain — aim at December–January instead of the score.

How Bursa compares inside Turkey

Istanbul is about 91 km away: Bursa is 1.3°C cooler than Istanbul in its hottest month and a similar annual rainfall (625 mm in Istanbul). Istanbul’s wettest month is December (82 mm) versus December here.

İzmir is about 258 km away: Bursa is 3.3°C cooler than İzmir in its hottest month and a similar annual rainfall (646 mm in İzmir). İzmir’s wettest month is January (130 mm) versus December here.

Ankara is about 324 km away: Bursa is 1.8°C warmer than Ankara in its hottest month and 223 mm wetter over the year than Ankara. Ankara’s wettest month is May (51 mm) versus December here.