+53.7838° · +20.4927° · ELEV 0m
Olsztyn
Poland · Warmia-Masuria
Monthly weather averages for Olsztyn, Poland — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
August → JanuaryClimate Overview
Olsztyn has a temperate climate. The warmest month is August (24°C average high) and the coolest is January (1°C).
№ 02
673 mm / yearRainfall by Month
Olsztyn sees 673 mm of rain a year. The wettest month is July (89 mm); the driest is April (40 mm).
№ 03
June–SeptemberBest Time to Visit
June–September
11°C – 24°C · 11.2h sun
The best time to visit Olsztyn is June–September, when temperatures average 11°C–24°C with 11.2 sunshine hours per day.
Some visitors prefer April–May for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | 0.7°C | -3.6°C | 53 mm | 2.5 h | 07:47 | 15:46 |
|---|---|---|---|---|---|---|
| February | 3.0°C | -2.6°C | 42 mm | 5.0 h | 06:58 | 16:46 |
| March | 7.2°C | -0.7°C | 43 mm | 6.8 h | 05:53 | 17:40 |
| April | 12.4°C | 2.8°C | 40 mm | 9.8 h | 05:38 | 19:37 |
| May | 17.5°C | 7.5°C | 68 mm | 11.3 h | 04:36 | 20:32 |
| June | 22.4°C | 12.4°C | 62 mm | 12.8 h | 04:06 | 21:10 |
| July | 23.0°C | 14.2°C | 89 mm | 12.0 h | 04:25 | 21:01 |
| August | 23.6°C | 14.4°C | 67 mm | 11.0 h | 05:16 | 20:09 |
| September | 18.8°C | 10.6°C | 52 mm | 9.1 h | 06:10 | 18:56 |
| October | 12.6°C | 6.2°C | 58 mm | 5.9 h | 07:04 | 17:42 |
| November | 6.4°C | 2.3°C | 44 mm | 3.0 h | 07:04 | 15:41 |
| December | 2.8°C | -1.0°C | 55 mm | 2.3 h | 07:49 | 15:16 |