City in Iasi County, Romania
Iași weather by month and the best time to visit
When to go to Iași
May–Jun and Sep–Oct are mild and green. Jul–Aug is hot; Dec–Feb is cold with snow. Mid-October's St. Parascheva pilgrimage packs the centre.
Iași weather by month
Average daily high, rainfall and conditions.
- Jan1°32 mm
- Feb3°31 mm
- Mar10°36 mm
- Apr17°49 mm
- May23°62 mm
- Jun27°85 mm
- Jul30°76 mm
- Aug30°46 mm
- Sep24°38 mm
- Oct16°51 mm
- Nov9°35 mm
- Dec2°35 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | 1°C33°F | -6°C21°F | 32 mm | 89% | Freezing |
| February | 3°C38°F | -5°C23°F | 31 mm | 86% | Cold |
| March | 10°C50°F | -1°C31°F | 36 mm | 77% | Cold |
| April | 17°C63°F | 5°C41°F | 49 mm | 70% | Cool |
| May | 23°C74°F | 11°C52°F | 62 mm | 67% | Pleasant |
| June | 27°C81°F | 16°C60°F | 85 mm | 64% | Pleasant |
| July | 30°C86°F | 18°C64°F | 76 mm | 60% | Pleasant |
| August | 30°C86°F | 17°C63°F | 46 mm | 57% | Pleasant |
| September | 24°C75°F | 12°C53°F | 38 mm | 62% | Pleasant |
| October | 16°C62°F | 5°C42°F | 51 mm | 74% | Cool |
| November | 9°C48°F | 1°C33°F | 35 mm | 85% | Cold |
| December | 2°C36°F | -4°C24°F | 35 mm | 89% | Freezing |
Best months across Romania
| Place | Best months | Warmest month |
|---|---|---|
| Bucharest | May–Jun, Sep–Oct | Aug (32°C) |
| Brașov | Jun–Sep, Dec | Aug (26°C) |
| Cluj-Napoca | May–Jun, Sep | Aug (28°C) |
| Sibiu | May–Jun, Sep, Dec | Aug (28°C) |
| Sighișoara | May–Jun, Sep | Aug (28°C) |
| Timișoara | May–Jun, Sep | Aug (31°C) |
| Constanța | Jun–Sep | Aug (27°C) |
| Iași | May–Jun, Sep–Oct | Jul (30°C) |
| Oradea | May–Jun, Sep–Oct | Aug (30°C) |
| Danube Delta | Apr–Jun, Sep | Jul (29°C) |
Quick answers
What is the best month to visit Iași?
May–Jun, Sep–Oct. May–Jun and Sep–Oct are mild and green. Jul–Aug is hot; Dec–Feb is cold with snow. Mid-October's St. Parascheva pilgrimage packs the centre.
When is the rainy season in Iași?
Rain peaks in June with about 85 mm. No month averages 150 mm or more.
What is the hottest month in Iași?
July, with average highs of 30°C (86°F).
How cold does Iași get?
The coolest nights are in January, averaging -6°C (21°F).
More about Iași
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Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.