January in Iași — off-season conditions
Hardest · 4.6/10At 0°C (32°F) this is proper winter weather in January: layer up and split the day between outdoor highlights and indoor stops.
Only 29 mm of water-equivalent precipitation is expected (snow at altitude), leaving almost no days with 6+ hours of sunshine and 8.7 hours of daylight.
That is 4.6/10 on the same scale — 11th of 12 months, versus 9.7/10 for the best month here.
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, June is materially better in Iași — 5.1 points higher on the same scale.
February in Iași — workable with trade-offs
Trade-offs · 5.5/10At 3°C (37°F) this is proper winter weather in February: layer up and split the day between outdoor highlights and indoor stops.
With around 24 mm of rain, any showers tend to pass through rather than settle in; almost no days with 6+ hours of sunshine and 10 hours of daylight fill the rest.
That is 5.5/10 on the same scale — 9th of 12 months, versus 9.7/10 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.
If your dates are flexible, June is materially better in Iași — 4.2 points higher on the same scale.
March in Iași — middling scores, decent value
Trade-offs · 6.7/10March averages 5°C (41°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 26 mm of rain — occasional showers rather than washed-out days — alongside about 7 days with 6+ hours of sunshine and 11.6 daylight hours.
It scores 6.7/10 here, 8th of 12 months, against 9.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Flexible dates? June scores 3 points higher here — enough to change the trip.
April in Iași: strong conditions, 7th of 12
Good · 7.2/10Expect 11°C (51°F) in April. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 79 mm of rain this month — a flexible day or two helps — with about 13 days with 6+ hours of sunshine and 13.4 hours of daylight to work around it.
That is 7.2/10 on the same scale — 7th of 12 months, versus 9.7/10 for the best month here.
Budget for 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, June is materially better in Iași — 2.5 points higher on the same scale.
May in Iași — one of the year's strongest windows (2nd)
Best window · 9.5/10May 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.
Rainfall runs 51 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 14.9 hours of daylight.
A 9.5/10 puts this among the year's best months in Iași (2nd of 12); only June scores higher, at 9.7/10.
Plan for 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, a packable rain layer.
June in Iași — the year's strongest window
Best window · 9.7/10At 22°C (72°F) this is comfortable city weather in June, with sightseeing easiest before lunch and after the afternoon peak.
With around 43 mm of rain, any showers tend to pass through rather than settle in; about 29 days with 6+ hours of sunshine and 15.7 hours of daylight fill the rest.
On our climate-comfort scale this is the top-ranked month of the year for Iași at 9.7/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and 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 light clothing, a hat and real sun protection.
July holds up well in Iași — 4th best month
Good · 8/10At 25°C (77°F) this is comfortable city weather in July, with sightseeing easiest before lunch and after the afternoon peak.
Budget for roughly 57 mm of rain this month — a flexible day or two helps — with about 29 days with 6+ hours of sunshine and 15.4 hours of daylight to work around it.
That is 8/10 on the same scale — 4th of 12 months, versus 9.7/10 for the best month here.
Budget for mid-season pricing, and this is one of the busiest months here.
Pack light clothing, a hat and real sun protection, a packable rain layer.
If your dates are flexible, June is materially better in Iași — 1.7 points higher on the same scale.
August in Iași: strong conditions, 3rd of 12
Good · 8.3/10August averages 25°C (77°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.
Rainfall runs 47 mm, so plan one flexible day in three; you still get about 23 days with 6+ hours of sunshine and 14 hours of daylight.
It scores 8.3/10 here, 3rd of 12 months, against 9.7/10 in the destination's best month.
Figure on 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 light clothing, a hat and real sun protection, a packable rain layer.
September holds up well in Iași — 5th best month
Good · 8/10September averages 18°C (65°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 78 mm, so plan one flexible day in three; you still get about 11 days with 6+ hours of sunshine and 12.3 hours of daylight.
It scores 8/10 here, 5th of 12 months, against 9.7/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Flexible dates? June scores 1.7 points higher here — enough to change the trip.
October in Iași — reliably good (6th best month)
Good · 7.8/10Temperatures hover around 12°C (54°F) — the kind of month where neither heat nor cold forces the schedule.
With around 27 mm of rain, any showers tend to pass through rather than settle in; about 3 days with 6+ hours of sunshine and 10.6 hours of daylight fill the rest.
That is 7.8/10 on the same scale — 6th of 12 months, versus 9.7/10 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.
If your dates are flexible, June is materially better in Iași — 1.9 points higher on the same scale.
November in Iași — off-season conditions
Hardest · 4.8/10Expect 4°C (40°F) in November. A good month for city streets, viewpoints and long meals; leave swimming for another season.
Budget for roughly 62 mm of rain this month — a flexible day or two helps — with almost no days with 6+ hours of sunshine and 9.1 hours of daylight to work around it.
That is 4.8/10 on the same scale — 10th of 12 months, versus 9.7/10 for the best month here.
Budget for low-season pricing, and 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.
If your dates are flexible, June is materially better in Iași — 4.9 points higher on the same scale.
December in Iași — off-season conditions
Hardest · 4.6/10December averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Precipitation is light at 29 mm (mostly snow at altitude), with almost no days with 6+ hours of sunshine and 8.3 hours of daylight.
It scores 4.6/10 here, 12th of 12 months, against 9.7/10 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.
Flexible dates? June scores 5.1 points higher here — enough to change the trip.
