Kärdla weather by month & the best time to visit
Estonia · seaside town · oceanic / maritime climate
The best time to visit Kärdla is July — its sunniest month (Sunshine Score 78/100), with August close behind. Kärdla averages about 1,751 hours of sunshine a year. Daytime highs around 20°C / 68°F and roughly 56 mm of rain in July.
When is the best time to visit Kärdla?
For sunshine, the best time to visit Kärdla is July, then August. The dullest month is January (0/100, 52 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kärdla?
Kärdla isn't a sunny place by world standards: about 1,751 hours of sunshine a year. 78 Sunshine Score points separate July (78) from January (0), so the month you pick matters. Kärdla is the sunniest of the 5 destinations tracked in Estonia. The year's 634 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 | 0° / 32°F | -3° / 27°F | 52 mm | 0 | 0° / 32°F |
| February | 0 | -1° / 30°F | -4° / 25°F | 42 mm | 0 | 0° / 32°F |
| March | 0 | 1° / 34°F | -2° / 28°F | 39 mm | 1 | 1° / 34°F |
| April | 0 | 6° / 43°F | 2° / 36°F | 36 mm | 2 | 4° / 39°F |
| May | 27 | 12° / 54°F | 7° / 45°F | 41 mm | 4 | 12° / 54°F |
| June | 52 | 16° / 61°F | 12° / 54°F | 55 mm | 5 | 19° / 66°F |
| July | 78 | 20° / 68°F | 16° / 61°F | 56 mm | 5 | 21° / 70°F |
| August | 76 | 20° / 68°F | 16° / 61°F | 70 mm | 4 | 20° / 68°F |
| September | 52 | 16° / 61°F | 12° / 54°F | 55 mm | 2 | 18° / 64°F |
| October | 13 | 10° / 50°F | 7° / 45°F | 67 mm | 1 | 12° / 54°F |
| November | 0 | 5° / 41°F | 3° / 37°F | 67 mm | 0 | 7° / 45°F |
| December | 0 | 2° / 36°F | 0° / 32°F | 54 mm | 0 | 3° / 37°F |
Sea temperature in Kärdla by month
The sea off Kärdla is warmest in July at around 21°C / 70°F, and coolest in January at 0°C / 32°F. The water sits at a comfortable 21°C or warmer roughly 1 month a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Kärdla: questions and answers
What kind of destination is Kärdla?
Kärdla is a seaside town in Estonia with a oceanic / maritime climate — the sea reaches 21°C at its warmest and is swimmable (21°C+) about 1 months a year.
How many hours of sunshine does Kärdla get a year?
Kärdla gets about 1,751 hours of sunshine a year, at its best around July.
When is the best time to visit Kärdla?
The sunniest time to visit Kärdla is July, when the Sunshine Score peaks at 78/100 (with August close behind). Expect daytime highs around 20°C / 68°F.
What is the least sunny month in Kärdla?
January is the least sunny month in Kärdla, scoring 0/100 with about 52 mm of rain.
Is Kärdla the sunniest place in Estonia?
Yes — with about 1,751 hours of sunshine a year, Kärdla has the most annual sunshine of the 5 Estonia destinations tracked by Sunshine Atlas.
What is the sea temperature in Kärdla?
The sea in Kärdla ranges from about 0°C (January) to 21°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Kärdla?
The typical midday UV index in Kärdla peaks around 5 (moderate) in June, 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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