Best time to go

Hiiumaa Island in August 2027: weather, temperatures and activities

Do you want to visit Hiiumaa Island in August 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether August is a good month to travel to Hiiumaa Island, Estonia.

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Is it worth visiting Hiiumaa Island in August?

Check your ideal travel criteria and see if the month of August suits your plans to go to Hiiumaa Island.
What matters most?
Hiiumaa Island in August 2027: weather, temperatures and activities

Page summary

Hiiumaa Island in August in summary
Favourable weather
Min 17°C Max 20°C 94 mm 7 day(s) 77% 33% 23°C 13.4 h/day
Best activities in August
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationWatersportsNature and landscapesBoat trip and cruise
Practical guidelines
High crowding 04:49 20:17
Hourly weather

Average weather in Hiiumaa Island in August 2027

Favourable weather

The weather in Hiiumaa Island in August 2027 is based on statistical data from previous years in August. This allows you to forecast the weather in August 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Hiiumaa Island in August

Temperatures, precipitation and monthly trends help to better understand the climate in Hiiumaa Island in August.

Temperatures and rain in Hiiumaa Island in August

Average daily weather

Temperatures and rain day by day in August.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of August is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Hiiumaa Island in August

Seasonal normals

Seasonal normals of Hiiumaa Island in August

Check the seasonal normals in Hiiumaa Island in August and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
August
Weather data July August September
Outside temperature
Average temperature 18.8°C 18.4°C 14.5°C
Maximum temperature 20.1°C 19.7°C 15.6°C
Minimum temperature 17.6°C 17.2°C 13.4°C
Record maximum temperature 28.0°C
(2018)
29.0°C
(2014)
22.0°C
(2018)
Record low temperature 11.0°C
(2018)
11.0°C
(2010)
6.0°C
(2021)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 25 day(s)
(81%)
26 day(s)
(84%)
7 day(s)
(23%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 20.2°C 19.9°C 16.5°C
Sea temperature (minimum) 16.3°C 16.7°C 13.2°C
Sea temperature (maximum) 23.9°C 22.8°C 19.9°C
Wind
Wind speed 20 km/h 21 km/h 24 km/h
Wind temperature 17.4°C 17.1°C 12.0°C
Precipitation (rain)
Precipitation 66.5 mm 93.7 mm 80.5 mm
Number of days with precipitation 15 day(s)
(48%)
17 day(s)
(55%)
16 day(s)
(53%)
Number of days with significant precipitation (greater than 5 mm) 4 day(s)
(13%)
7 day(s)
(23%)
5 day(s)
(17%)
Record precipitation in one day 45.7 mm
(2011)
35.3 mm
(2021)
31.5 mm
(2017)
Other weather data
Humidity 77% 77% 82%
Visibility 9.6 km 9.6 km 9.5 km
Cloud cover 32% 33% 43%
UV index 5 5 4
Daily sunshine 16h 13h 11h
Sunrise and sunset
Sunrise time 03h43 04h49 05h59
Sunset time 21h27 20h17 18h49
Day length 17h44 15h28 12h50
Our opinion on the climate in August
The review of Where And When ideal weather favourable weather favourable weather
Activities and events

What to do in Hiiumaa Island in August?

Best activities in August
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationWatersportsNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Hiiumaa Island in August last?

Find the observed weather calendar in Hiiumaa Island in August 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
16°C18°C1.3 mm
2
Clear/Sunny
16°C20°C0.0 mm
3
Clear/Sunny
17°C21°C0.0 mm
4
Patchy rain nearby
18°C21°C0.5 mm
5
Light rain shower
16°C18°C0.5 mm
6
Light rain shower
16°C18°C0.9 mm
7
Patchy rain nearby
17°C18°C0.1 mm
8
Cloudy
17°C20°C0.0 mm
9
Clear/Sunny
16°C20°C0.0 mm
10
Clear/Sunny
16°C20°C0.3 mm
11
Clear/Sunny
17°C19°C0.1 mm
12
Patchy rain nearby
17°C19°C0.0 mm
13
Clear/Sunny
15°C20°C0.0 mm
14
Clear/Sunny
17°C22°C0.0 mm
15
Clear/Sunny
18°C23°C0.1 mm
16
Patchy rain nearby
15°C20°C0.3 mm
17
Patchy rain nearby
15°C17°C3.2 mm
18
Clear/Sunny
16°C19°C0.0 mm
19
Overcast
17°C19°C0.0 mm
20
Clear/Sunny
13°C16°C0.0 mm
21
Patchy rain nearby
13°C16°C0.7 mm
22
Overcast
12°C15°C1.1 mm
23
Patchy rain nearby
13°C15°C5.3 mm
24
Light rain shower
12°C15°C2.7 mm
25
Patchy rain nearby
13°C15°C2.8 mm
26
Patchy rain nearby
12°C16°C0.8 mm
27
Patchy rain nearby
13°C16°C0.2 mm
28
Patchy rain nearby
14°C17°C0.0 mm
29
Light drizzle
15°C18°C4.0 mm
30
Overcast
16°C17°C0.0 mm
31
Patchy rain nearby
15°C17°C0.7 mm
Nearby

Where to go near Hiiumaa Island in August?

Compare cities and destinations near Hiiumaa Island in August to find another travel stop, a nearby alternative or a logical continuation of your stay in Hiiumaa Island.

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Every month

Best time to visit Hiiumaa Island month by month

Compare the weather in Hiiumaa Island across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Hiiumaa Island in August: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Hiiumaa Island in August, which places this month 3th out of 12.

Expect an average of 20°C during the day and 17°C at night, with about 94 mm of precipitation spread over 7 rainy days.

The sea is only 20°C on average in August. Swimming is still possible, but it will be cool.

Expect about 13.4 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Hiking and trekking, Cultural visits and heritage and Animal observation. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 82/100. Book your accommodation and transportation well in advance.

The most favorable months in Hiiumaa Island are: June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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