January in Turku: expect compromises
Hardest · 2.2/10January averages -5°C (24°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 71 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 6.2 hours of daylight.
It scores 2.2/10 here, 12th of 12 months, against 9.4/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 7.2 points higher here — enough to change the trip.
February in Turku: expect compromises
Hardest · 3/10February averages -3°C (26°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 63 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 8.6 hours of daylight.
It scores 3/10 here, 10th of 12 months, against 9.4/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 6.4 points higher here — enough to change the trip.
March in Turku: expect compromises
Hardest · 4.2/10At 0°C (31°F) this is proper winter weather in March: layer up and split the day between outdoor highlights and indoor stops.
53 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 11.3 hours of daylight.
That is 4.2/10 on the same scale — 8th of 12 months, versus 9.4/10 for the best month here.
Budget for 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, June is materially better in Turku — 5.2 points higher on the same scale.
April in Turku — workable with trade-offs
Trade-offs · 6/10April averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 54 mm, so plan one flexible day in three; you still get about 11 days with 6+ hours of sunshine and 14.3 hours of daylight.
It scores 6/10 here, 6th of 12 months, against 9.4/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 3.4 points higher here — enough to change the trip.
May in Turku — one of the year's strongest windows (2nd)
Best window · 8.9/10Expect 10°C (51°F) in May. A good month for city streets, viewpoints and long meals; leave swimming for another season.
With around 26 mm of rain, any showers tend to pass through rather than settle in; about 26 days with 6+ hours of sunshine and 16.9 hours of daylight fill the rest.
On our climate-comfort scale this is one of the strongest months of the year for Turku at 8.9/10 (2nd of 12), just behind June at 9.4/10.
Expect mid-season pricing, and crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
June in Turku — the year's strongest window
Best window · 9.4/10June averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 40 mm of rain — occasional showers rather than washed-out days — alongside about 28 days with 6+ hours of sunshine and 18.6 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Turku at 9.4/10 — the reference point every other month on this page is measured against.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening.
July in Turku — one of the year's strongest windows (3rd)
Best window · 8.5/10July 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 20 days with 6+ hours of sunshine and 17.9 hours of daylight.
A 8.5/10 puts this among the year's best months in Turku (3rd of 12); only June scores higher, at 9.4/10.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
August in Turku — reliably good (4th best month)
Good · 7.5/10Temperatures hover around 18°C (64°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 90 mm of rain this month — a flexible day or two helps — with about 13 days with 6+ hours of sunshine and 15.4 hours of daylight to work around it.
That is 7.5/10 on the same scale — 4th of 12 months, versus 9.4/10 for the best month here.
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.
If your dates are flexible, June is materially better in Turku — 1.9 points higher on the same scale.
September in Turku — middling scores, decent value
Trade-offs · 6.9/10Temperatures hover around 13°C (55°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 58 mm of rain this month — a flexible day or two helps — with about 2 days with 6+ hours of sunshine and 12.5 hours of daylight to work around it.
That is 6.9/10 on the same scale — 5th of 12 months, versus 9.4/10 for the best month here.
Budget for 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.
If your dates are flexible, June is materially better in Turku — 2.5 points higher on the same scale.
October in Turku: expect compromises
Hardest · 4.6/10October averages 7°C (44°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 83 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 9.7 hours of daylight.
It scores 4.6/10 here, 7th of 12 months, against 9.4/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Flexible dates? June scores 4.8 points higher here — enough to change the trip.
November in Turku: expect compromises
Hardest · 3.3/10November averages 1°C (34°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Rainfall runs 74 mm, so plan one flexible day in three; you still get almost no days with 6+ hours of sunshine and 7 hours of daylight.
It scores 3.3/10 here, 9th of 12 months, against 9.4/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer.
Flexible dates? June scores 6.1 points higher here — enough to change the trip.
December in Turku: expect compromises
Hardest · 2.6/10At -3°C (26°F) this is proper winter weather in December: layer up and split the day between outdoor highlights and indoor stops.
61 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 5.4 hours of daylight.
That is 2.6/10 on the same scale — 11th of 12 months, versus 9.4/10 for the best month here.
Budget for 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, June is materially better in Turku — 6.8 points higher on the same scale.
