January in Olsztyn — the hardest end of the year
Hardest · 3.2/10January averages -1°C (30°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 64 mm, so plan one flexible day in three; you still get about 0 sunny days and 7.7 hours of daylight.
It scores 3.2/10 here, 12th of 12 months, against 9.1/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in Olsztyn — 5.9 points higher on the same scale.
February in Olsztyn — the hardest end of the year
Hardest · 3.8/10February averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 71 mm, so plan one flexible day in three; you still get about 0 sunny days and 9.4 hours of daylight.
It scores 3.8/10 here, 10th of 12 months, against 9.1/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in Olsztyn — 5.3 points higher on the same scale.
March in Olsztyn — workable with trade-offs
Trade-offs · 5.8/10March averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Expect 36 mm of rain — occasional showers rather than washed-out days — alongside about 4 sunny days and 11.5 daylight hours.
It scores 5.8/10 here, 8th of 12 months, against 9.1/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip.
If your dates are flexible, May is materially better in Olsztyn — 3.3 points higher on the same scale.
April in Olsztyn — reliably good (6th best month)
Good · 7.1/10April averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 46 mm, so plan one flexible day in three; you still get about 11 sunny days and 13.7 hours of daylight.
It scores 7.1/10 here, 6th of 12 months, against 9.1/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, May is materially better in Olsztyn — 2 points higher on the same scale.
May in Olsztyn — the year's strongest window
Best window · 9.1/10May 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.
Expect 43 mm of rain — occasional showers rather than washed-out days — alongside about 26 sunny days and 15.7 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Olsztyn at 9.1/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening.
June in Olsztyn — the year's strongest window
Best window · 8.7/10June averages 18°C (64°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 69 mm, so plan one flexible day in three; you still get about 26 sunny days and 16.8 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Olsztyn at 8.7/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
July in Olsztyn — reliably good (5th best month)
Good · 8.4/10July averages 19°C (66°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 85 mm, so plan one flexible day in three; you still get about 23 sunny days and 16.3 hours of daylight.
It scores 8.4/10 here, 5th of 12 months, against 9.1/10 in the destination's best month.
Expect peak pricing, and this is one of the busiest months here.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
August in Olsztyn — the year's strongest window
Best window · 8.5/10August averages 20°C (68°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 67 mm, so plan one flexible day in three; you still get about 18 sunny days and 14.6 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Olsztyn at 8.5/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
September in Olsztyn — the year's strongest window
Best window · 8.7/10September averages 16°C (60°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 32 mm of rain — occasional showers rather than washed-out days — alongside about 9 sunny days and 12.4 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Olsztyn at 8.7/10 — the reference point every other month on this page is measured against.
Expect mid-season pricing, and crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening.
October in Olsztyn — workable with trade-offs
Trade-offs · 6.1/10October averages 10°C (49°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 46 mm, so plan one flexible day in three; you still get about 0 sunny days and 10.2 hours of daylight.
It scores 6.1/10 here, 7th of 12 months, against 9.1/10 in the destination's best month.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
If your dates are flexible, May is materially better in Olsztyn — 3 points higher on the same scale.
November in Olsztyn — the hardest end of the year
Hardest · 4.5/10November averages 3°C (37°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Expect 44 mm of rain — occasional showers rather than washed-out days — alongside about 0 sunny days and 8.2 daylight hours.
It scores 4.5/10 here, 9th of 12 months, against 9.1/10 in the destination's best month.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip.
If your dates are flexible, May is materially better in Olsztyn — 4.6 points higher on the same scale.
December in Olsztyn — the hardest end of the year
Hardest · 3.3/10December averages -1°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 61 mm, so plan one flexible day in three; you still get about 0 sunny days and 7.2 hours of daylight.
It scores 3.3/10 here, 11th of 12 months, against 9.1/10 in the destination's best month.
Expect mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
If your dates are flexible, May is materially better in Olsztyn — 5.8 points higher on the same scale.
