May · Poland
Best time to visit Białystok in May Weather, crowds & prices
Weather in Białystok in May
Average temperature 13°C, 50 mm of rain, about 26 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.9/10
Ranked #2 of 12 months
- Avg temp
- 13°C
- Rainfall
- 50 mm
- Humidity
- 75%
- Days with 6h+ sun
- 26
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Białystok scores 8.9/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 13°C, 50 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.
Białystok's baroque Branicki palace and garden give eastern Poland a Versailles of its own.
May ranks 2nd of 12 for Białystok — one of the best windows
May averages 13°C (56°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 50 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 15.6 hours of daylight.
A 8.9/10 puts this among the year's best months in Białystok (2nd of 12); only August scores higher, at 9.4/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Białystok in May?
- In May, Białystok averages 13°C, 50 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 8.9/10.
- Is May a good time to visit Białystok?
- May earns a 8.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Białystok in May?
- Expect about 50 mm of rain in May. Average humidity is 75% and there are about 26 days with 6+ hours of sunshine.
Curated in Białystok
Tickets & experiences
Things to do in Białystok
Białystok, Poland. Live activities and tours from GetYourGuide, matched to this destination.