Pärnu weather by month & the best time to visit
Estonia · seaside town · continental climate
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The best time to visit Pärnu is July — its sunniest month (Sunshine Score 76/100), with August and June close behind. Pärnu averages about 1,650 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 66 mm of rain in July.
When is the best time to visit Pärnu?
For sunshine, the best time to visit Pärnu is July, then August and June. The dullest month is January (0/100, 53 mm of rain). The full month-by-month picture is in the table below.
How sunny is Pärnu?
Pärnu isn't a sunny place by world standards: about 1,650 hours of sunshine a year. 76 Sunshine Score points separate July (76) from January (0), so the month you pick matters. It ranks #4 of 5 destinations in Estonia for annual sunshine, below the national median of 1,693 hours. The year's 691 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -2° / 28°F | -6° / 21°F | 53 mm | 0 | 0° / 32°F |
| February | 0 | -2° / 28°F | -7° / 19°F | 45 mm | 0 | 0° / 32°F |
| March | 0 | 1° / 34°F | -4° / 25°F | 42 mm | 1 | 1° / 34°F |
| April | 0 | 8° / 46°F | 0° / 32°F | 42 mm | 2 | 5° / 41°F |
| May | 47 | 15° / 59°F | 6° / 43°F | 43 mm | 4 | 14° / 57°F |
| June | 69 | 19° / 66°F | 11° / 52°F | 69 mm | 4 | 21° / 70°F |
| July | 76 | 23° / 73°F | 15° / 59°F | 66 mm | 4 | 22° / 72°F |
| August | 74 | 22° / 72°F | 14° / 57°F | 78 mm | 3 | 21° / 70°F |
| September | 58 | 17° / 63°F | 10° / 50°F | 56 mm | 2 | 19° / 66°F |
| October | 6 | 9° / 48°F | 4° / 39°F | 68 mm | 1 | 11° / 52°F |
| November | 0 | 4° / 39°F | 1° / 34°F | 69 mm | 0 | 6° / 43°F |
| December | 0 | 0° / 32°F | -3° / 27°F | 60 mm | 0 | 2° / 36°F |
Sea temperature in Pärnu by month
The sea off Pärnu is warmest in July at around 22°C / 72°F, and coolest in January at 0°C / 32°F. The water sits at a comfortable 21°C or warmer roughly 3 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Pärnu: questions and answers
What kind of destination is Pärnu?
Pärnu is a seaside town in Estonia with a continental climate — the sea reaches 22°C at its warmest and is swimmable (21°C+) about 3 months a year.
How many hours of sunshine does Pärnu get a year?
Pärnu gets about 1,650 hours of sunshine a year, at its best around July.
When is the best time to visit Pärnu?
The sunniest time to visit Pärnu is July, when the Sunshine Score peaks at 76/100 (with August and June close behind). Expect daytime highs around 23°C / 73°F.
What is the least sunny month in Pärnu?
January is the least sunny month in Pärnu, scoring 0/100 with about 53 mm of rain.
What is the sea temperature in Pärnu?
The sea in Pärnu ranges from about 0°C (January) to 22°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Pärnu?
The typical midday UV index in Pärnu peaks around 4 (moderate) in May, easing to about 0 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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