AI-generatedIași at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 28°
- Sunshine a year
- 2,080 h
- Rain a year
- 548 mm
- Climate
- Continental
- Time zone
- UTC+2 / UTC+3
- Elevation
- 66 m
Climate in Iași
Iași has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 28 °C, while January is the coolest at 2 °C. With around 2,080 hours of sunshine a year, Iași is moderately sunny; July is the sunniest month with 9.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Good
Best time to visit: May – September
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 12°
- Night, 23:00: about 10°
07:2618:24
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:07–08:08 · evening 17:43–18:43
- Blue hour
- Morning 06:55–07:07 · evening 18:43–18:55
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Iași in October?
In October, Iași is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. Expect around 5 hours of sunshine a day. Rain falls on about 6 days, adding up to 44 mm. All in all, October is a good month for a holiday in Iași.
More details for October
- Daylight
- 10 h 58 min07:26 – 18:24
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 58 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Bucharest
How the score comes together
- Temperatureweight 50 %72 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 30 %84 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
Sunshine hours in Iași
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 4.7 of 11.0 hours of daylight in Iași, 43 % of the day.
Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Iași
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 50 min
- Fair skin
- about 65 min
- Light brown skin
- about 90 min
- Olive skin
- about 115 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Iași: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Iași has about 6 rainy days with 44 mm of rain in total.
Wind and clouds in Iași
How breezy and how cloudy Iași is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Iași typically peaks at 14 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 58 % of the sky over Iași: variable cloud, with about 4.7 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Iași
How often the day gets hot in Iași (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Iași has about 0 hot days, with an average daytime high of 15 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Iași
Snow is possible in Iași, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Iași.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Iași
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 7°. The room should be heated.
The coolest nights are in January (−5°), the warmest in July (18°). Nights are pleasant for sleeping (15 to 20 °C) from June to August. Nights fall below 8 °C on average from October to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 24 | 2° | −5° | 2.3 h | 7 | 29 |
| FebruaryFeb | 25 | 4° | −4° | 3.4 h | 7 | 28 |
| MarchMar | 34 | 10° | 0° | 4.8 h | 8 | 35 |
| AprilApr | 73 | 16° | 6° | 6.5 h | 9 | 48 |
| MayMay | 85 | 22° | 11° | 8.2 h | 10 | 57 |
| JuneJun | 86 | 26° | 16° | 8.8 h | 10 | 68 |
| JulyJul | 82 | 28° | 18° | 9.4 h | 10 | 74 |
| AugustAug | 91 | 27° | 18° | 8.9 h | 7 | 43 |
| SeptemberSep | 85 | 22° | 13° | 6.7 h | 7 | 47 |
| OctoberOct | 67 | 15° | 7° | 4.7 h | 6 | 44 |
| NovemberNov | 29 | 9° | 3° | 2.6 h | 6 | 39 |
| DecemberDec | 23 | 3° | −3° | 2.0 h | 7 | 36 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
47.17° N, 27.60° E · 66 m · Europe/Bucharest
Best time to visit Iași
The best time to visit Iași is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable from April to October. The wettest month is July with 74 mm of precipitation.
Iași through the seasons
How the weather changes over the seasons, with averages for each.
Iași in spring
Mar – May
Good
- 10–22 °C by day
- 7 h of sun a day
- 27 rainy days in all
Iași in summer
Jun – Aug
Excellent
- 26–28 °C by day
- 9 h of sun a day
- 27 rainy days in all
Iași in autumn
Sep – Nov
Good
- 9–22 °C by day
- 5 h of sun a day
- 20 rainy days in all
Iași in winter
Dec – Feb
Poor
- 2–4 °C by day
- 3 h of sun a day
- 21 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Iași for you.
Your best months: May – June, September
Based on the climate averages; tap a month to see its details.
Compare two months in Iași
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Iași: score 91 against 67. In August, days are 12 °C warmer than in October. August has one more rainy day. The sun shines 4 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 67 | 91better |
| Day high | 15° | 27° |
| Night low | 7° | 18° |
| Sunshine | 4.7 h | 8.9 hbetter |
| Rainy days | 6better | 7 |
| Rainfall | 44 mm | 43 mm |
| Muggy days | 0better | 3 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Apr – Oct
15–28 °C and not too much rain
Snow
Dec – Feb
Snow on 2 or more days
Iași month by month
The typical weather for every month at a glance.
24January2° · 2 h
In January, Iași is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−5 °C). The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 7 days, totalling 29 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Iași.
Iași in January25February4° · 3 h
In February, Iași is cold: daytime highs average 4 °C, and nights often drop below freezing (−4 °C). The sun is scarce, with only about 3 hours a day. Rain falls on about 7 days, adding up to 28 mm. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Iași.
Iași in February34March10° · 5 h
In March, Iași is cold: daytime highs average 10 °C, and nights cool down to about 0 °C. Expect around 5 hours of sunshine a day. Rain falls on about 8 days, adding up to 35 mm. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Iași.
Iași in March73April16° · 7 h
In April, Iași is mild: daytime highs average 16 °C, and nights cool down to about 6 °C. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 48 mm. All in all, April is a good month for a holiday in Iași.
Iași in April85May22° · 8 h
In May, Iași is warm: daytime highs average 22 °C, and nights cool down to about 11 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 57 mm in total. All in all, May is an excellent month for a holiday in Iași.
Iași in May86June26° · 9 h
In June, Iași is warm: daytime highs average 26 °C, and nights cool down to about 16 °C. The sun shines for around 9 hours a day. Rain is frequent, with about 10 rainy days and 68 mm in total. All in all, June is an excellent month for a holiday in Iași.
Iași in June82July28° · 9 h
In July, Iași is hot: daytime highs average 28 °C, and nights cool down to about 18 °C. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 10 rainy days and 74 mm in total. On about 9 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Iași.
Iași in July91August27° · 9 h
In August, Iași is hot: daytime highs average 27 °C, and nights cool down to about 18 °C. The sun shines for around 9 hours a day. Rain falls on about 7 days, adding up to 43 mm. On about 9 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Iași.
Iași in August85September22° · 7 h
In September, Iași is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sun shines for around 7 hours a day. Rain falls on about 7 days, adding up to 47 mm. All in all, September is an excellent month for a holiday in Iași.
Iași in September67October15° · 5 h
In October, Iași is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. Expect around 5 hours of sunshine a day. Rain falls on about 6 days, adding up to 44 mm. All in all, October is a good month for a holiday in Iași.
Iași in October29November9° · 3 h
In November, Iași is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 3 hours a day. Rain falls on about 6 days, adding up to 39 mm. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Iași.
Iași in November23December3° · 2 h
In December, Iași is cold: daytime highs average 3 °C, and nights often drop below freezing (−3 °C). The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 7 days, totalling 36 mm. Snow falls on about 3 days. All in all, December is not an ideal month for a holiday in Iași.
Iași in DecemberIași compared
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Iași vs. Chișinău
In October the holiday weather in Iași and Chișinău is about equally good (score 67 vs. 71). During the day Chișinău is 1 °C warmer than Iași.
| in October | Iași | Chișinău |
|---|---|---|
| Holiday score | 67 | 71 |
| Daytime high | 15° | 16° |
| Sunshine | 5 h | 5 h |
| Rainy days | 6 | 6 |
| Best time | May – Sep | Apr – Sep |
Through the year
Romania in October: the best places
In October, Iași ranks 7 of 14 destinations in this country.
- Craiova18°80
- 2Constanța17°18°77
- 3Bucharest17°76
- 4Arad17°76
- 5Timișoara17°76
- 6Oradea16°70
- 7IașiThis page15°67
- 8Alba Iulia16°67
Planning a trip to Iași
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Iași in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Iași has its best school-holiday weather during the summer holidays (score 88) and its weakest during the Christmas holidays (score 24).
- 61
Easter holidays
Mar – Apr
Good
- 14 °C by day
- 6.0 h of sun a day
- 8 rainy days a month
- 85
May half-term
May – Jun
Excellent
- 23 °C by day
- 8.3 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 88
Summer holidays
Jul – Aug
ExcellentBest holidays
- 28 °C by day
- 9.1 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 67
October half-term
Oct
Good
- 15 °C by day
- 4.7 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 24
Christmas holidays
Dec – Jan
Poor
- 2 °C by day
- 2.2 h of sun a day
- 7 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 3 h
- Distance
- 2,080 km
- Time zone
- UTC+3
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Iași
When is the best time to visit Iași?
The best time to visit Iași is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Iași?
July is the warmest month, with average highs of 28 °C and nights around 18 °C. January is the coolest month at 2 °C.
When does it rain most in Iași?
The wettest month is July with 74 mm of precipitation. The driest month is February with 28 mm.
How many hours of sunshine does Iași get?
Iași gets around 2,080 hours of sunshine a year. The sunniest month is July with 9.4 hours a day; in December there are 2.0 hours a day.
What time zone is Iași in?
Iași uses the time zone Europe/Bucharest: UTC+2 in January and UTC+3 in July.
How long is the flight from London to Iași?
A nonstop flight from London to Iași takes about 3 h, for a straight-line distance of about 2,080 km.
Which school holidays are best for Iași?
Iași has its best school-holiday weather during the summer holidays (score 88) and its weakest during the Christmas holidays (score 24). Holiday ratings (0–100): Easter holidays 61, May half-term 85, Summer holidays 88, October half-term 67, Christmas holidays 24.
Near Iași
Other destinations close by.
Places with a climate like Iași
Destinations whose weather through the year is closest to Iași's – good alternatives.