SeasonMapPärnu weather by month
Estonia
The best time to visit Pärnu is June to August — 88/100 in July, 23°C and 11 rainy days. The best season is summer, June to August (85/100 on average).
The worst month is January at 24/100 — freezing, a little rain, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Estonia →
Pärnu, month by month
Comfort score out of 100 for the kind of trip Pärnu is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 24 | F | 0°C | 13 d | 2 h | Quiet | 1 |
| FebFebruary | 36 | F | 1°C | 9 d | 4 h | Shoulder | 1 |
| MarMarch | 48 | F | 4°C | 9 d | 7 h | Shoulder | 1 |
| AprApril | 68 | C | 10°C | 8 d | 10 h | Shoulder | 1 |
| MayMay | 78 | B | 17°C | 6 d | 13 h | Shoulder | — |
| JunJune | 82 | A | 21°C | 8 d | 14 h | Busy | 1 |
| JulJuly | 88 | A | 23°C | 11 d | 13 h | Busy | 3 |
| AugAugust | 86 | A | 22°C | 11 d | 11 h | Busy | 1 |
| SepSeptember | 72 | B | 17°C | 10 d | 8 h | Shoulder | — |
| OctOctober | 52 | D | 11°C | 13 d | 5 h | Shoulder | 1 |
| NovNovember | 33 | F | 5°C | 13 d | 2 h | Quiet | 1 |
| DecDecember | 27 | F | 2°C | 12 d | 1 h | Quiet | 1 |
What's on in Pärnu through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Pärnu in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyEstonia's summer capital, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet