Hiiumaa Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Hiiumaa, Estonia in August.

Planning a getaway to Hiiumaa, Estonia this August and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Hiiumaa in August

Hiiumaa, Estonia is a region in Estonia. August in Hiiumaa generally has temperatures that range from pleasant to warm, with moderate precipitation. It's the height of summer.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Kalana at 20°C (68°F) to warm in Sõru at 22°C (72°F). Nighttime temperatures generally drop to 13°C (55°F) in Sõru and 16°C (61°F) in Kalana.

To explore the conditions in Hiiumaa, Estonia in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Orjaku with an average of 70 mm (2.8 in) to moderate rainfall in Kalana with 81 mm (3.2 in).

Explore Hiiumaa by month

Pick a month to see the average temperature, rainfall and sunshine in Hiiumaa — and find the best time to visit. (based on Kärdla)

Best Places to Visit in Hiiumaa in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Hiiumaa.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Hiiumaa

What is the weather like in August for some of the most popular destinations in Hiiumaa, Estonia?

Temperature range in Hiiumaa (August)

Precipitation variation in Hiiumaa (August)

Kärdla

In August Kärdla generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
21°C (70°F)
21°C (70°F)
17°C (63°F)
Min temperature
16°C (61°F)
15°C (59°F)
12°C (54°F)
Monthly rainfall
60 mm (2.4 in)
74 mm (2.9 in)
67 mm (2.6 in)
Monthly rainy days
12 days
14 days
16 days
Weather conditions

Kassari

In August Kassari generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
22°C (72°F)
22°C (72°F)
17°C (63°F)
Min temperature
15°C (59°F)
15°C (59°F)
11°C (52°F)
Monthly sun hours
293 hours
257 hours
144 hours
Monthly rainfall
62 mm (2.4 in)
72 mm (2.8 in)
61 mm (2.4 in)
Monthly rainy days
12 days
14 days
16 days
Weather conditions

Orjaku

In August Orjaku generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
22°C (72°F)
22°C (72°F)
17°C (63°F)
Min temperature
15°C (59°F)
14°C (57°F)
11°C (52°F)
Monthly sun hours
293 hours
257 hours
144 hours
Monthly rainfall
62 mm (2.4 in)
70 mm (2.8 in)
59 mm (2.3 in)
Monthly rainy days
12 days
14 days
16 days
Weather conditions

Käina

In August Käina generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
22°C (72°F)
22°C (72°F)
17°C (63°F)
Min temperature
15°C (59°F)
15°C (59°F)
11°C (52°F)
Monthly sun hours
293 hours
257 hours
144 hours
Monthly rainfall
61 mm (2.4 in)
71 mm (2.8 in)
61 mm (2.4 in)
Monthly rainy days
12 days
14 days
16 days
Weather conditions

Kõrgessaare

In August Kõrgessaare generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
21°C (70°F)
21°C (70°F)
17°C (63°F)
Min temperature
15°C (59°F)
15°C (59°F)
11°C (52°F)
Monthly rainfall
60 mm (2.4 in)
73 mm (2.9 in)
66 mm (2.6 in)
Monthly rainy days
12 days
14 days
16 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Hiiumaa, in Estonia.

In our records: Estonia August extremes

Notable August records observed across cities in Estonia in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest August day in Estonia brought 297 mm (12 in) in Alatskivi on August 19, 1989.

Popular cities in August

Day & night temperatures, rainfall and average weather in Hiiumaa in August.

City Weather Day temp Night temp Rainfall
Kärdla 21°C (70°F) 15°C (59°F) 74 mm (2.9 in)
Kassari 22°C (72°F) 15°C (59°F) 72 mm (2.8 in)
Orjaku 22°C (72°F) 14°C (57°F) 70 mm (2.8 in)
Käina 22°C (72°F) 15°C (59°F) 71 mm (2.8 in)
Kõrgessaare 21°C (70°F) 15°C (59°F) 73 mm (2.9 in)
Sõru 22°C (72°F) 13°C (55°F) 74 mm (2.9 in)

Hiiumaa weather in August: frequently asked questions

What is the weather like in Hiiumaa, Estonia in August?

Expect perfect weather across Hiiumaa, Estonia in August. The popular destination of Kärdla averages 21°C (70°F) by day and 15°C (59°F) at night during this summer month.

What is the average temperature in Hiiumaa, Estonia in August?

In Kärdla, the average daytime high in August is 21°C (70°F), while nighttime temperatures drop to around 15°C (59°F).

Does Hiiumaa, Estonia get a lot of rain in August?

Not particularly. Kärdla averages just 74 mm (2.9 in) of rain in August, making it a mostly dry month for Hiiumaa, Estonia.

Is August a Good Time to Visit Hiiumaa, Estonia?

We believe that August is one of the best times to visit Hiiumaa, Estonia with overall perfect weather in Kärdla.

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Kärdla. In contrast, January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Hiiumaa.

Weather and climate has detailed information for every country in the world. Are you going to Estonia? Get detailed historical weather averages for many cities in Estonia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.