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Hiiumaa Island in May 2027: weather, temperatures and activities

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

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Is it worth visiting Hiiumaa Island in May?

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

Page summary

Hiiumaa Island in May in summary
Fair weather
Min 9°C Max 12°C 57 mm 3 day(s) 78% 36% 14°C 14.8 h/day 0.7 cm
Best activities in May
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationNature and landscapesBoat trip and cruise
Practical guidelines
Moderate crowds 03:59 20:54
Hourly weather

Average weather in Hiiumaa Island in May 2027

Fair weather

The weather in Hiiumaa Island in May 2027 is based on statistical data from previous years in May. This allows you to forecast the weather in May 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 May

Temperatures, precipitation, snow and monthly trends help better understand the climate in Hiiumaa Island in May.

Temperatures and rain in Hiiumaa Island in May

Average daily weather

Temperatures, rain and snow day by day in May, with a separate scale for snow.
Minimal Average Maximums Average rainfall Daily snow

Monthly temperatures

The month of May 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 May

Seasonal normals

Seasonal normals of Hiiumaa Island in May

Check the seasonal normals in Hiiumaa Island in May 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
May
Weather data April May June
Outside temperature
Average temperature 5.1°C 10.8°C 15.3°C
Maximum temperature 6.3°C 12.2°C 16.5°C
Minimum temperature 3.8°C 9.4°C 14.0°C
Record maximum temperature 16.0°C
(2019)
22.0°C
(2014)
25.0°C
(2013)
Record low temperature -3.0°C
(2013)
2.0°C
(2011)
7.0°C
(2009)
Number of days at +30° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Number of days at +18° 0 day(s)
(0%)
4 day(s)
(13%)
11 day(s)
(37%)
Number of days below 0° 2 day(s)
(7%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 1.7°C 7.3°C 14.9°C
Sea temperature (minimum) — — 1.3°C 9.9°C
Sea temperature (maximum) 5.2°C 13.6°C 20.0°C
Wind
Wind speed 22 km/h 20 km/h 21 km/h
Wind temperature 0.0°C 7.2°C 12.8°C
Precipitation (rain)
Precipitation 46.9 mm 56.5 mm 62.2 mm
Number of days with precipitation 13 day(s)
(43%)
11 day(s)
(35%)
12 day(s)
(40%)
Number of days with significant precipitation (greater than 5 mm) 3 day(s)
(11%)
3 day(s)
(11%)
4 day(s)
(13%)
Record precipitation in one day 21.4 mm
(2017)
35.9 mm
(2020)
66.6 mm
(2009)
Other weather data
Humidity 81% 78% 77%
Visibility 8.9 km 9.4 km 9.6 km
Cloud cover 44% 36% 33%
UV index 2 3 4
Daily sunshine 13h 15h 17h
Sunrise and sunset
Sunrise time 05h16 03h59 03h17
Sunset time 19h45 20h54 21h44
Day length 14h29 16h55 18h27
Our opinion on the climate in May
The review of Where And When very bad weather fair weather favourable weather
Activities and events

What to do in Hiiumaa Island in May?

Best activities in May
Beach and swimmingHiking and trekkingCultural visits and heritageAnimal observationNature and landscapesBoat trip and cruise
Possible activities in May
Watersports
Observed weather

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

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

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Clear/Sunny
4°C8°C0.1 mm
2
Partly Cloudy
8°C15°C0.2 mm
3
Clear/Sunny
6°C9°C0.0 mm
4
Patchy rain nearby
6°C7°C0.2 mm
5
Partly Cloudy
3°C6°C0.0 mm
6
Heavy rain at times
5°C7°C1.4 mm
7
Partly Cloudy
3°C6°C0.0 mm
8
Clear/Sunny
3°C6°C0.0 mm
9
Overcast
4°C8°C0.1 mm
10
Patchy rain nearby
2°C8°C0.1 mm
11
Patchy rain nearby
5°C11°C0.1 mm
12
Clear/Sunny
4°C13°C0.0 mm
13
Cloudy
6°C13°C0.0 mm
14
Clear/Sunny
7°C8°C0.7 mm
15
Overcast
6°C12°C0.0 mm
16
Cloudy
7°C11°C4.0 mm
17
Overcast
6°C12°C1.6 mm
18
Patchy rain nearby
8°C13°C0.3 mm
19
Clear/Sunny
9°C16°C0.0 mm
20
Clear/Sunny
9°C13°C0.0 mm
21
Cloudy
7°C12°C0.0 mm
22
Patchy rain nearby
9°C13°C0.1 mm
23
Overcast
8°C11°C0.1 mm
24
Cloudy
8°C12°C0.0 mm
25
Patchy rain nearby
8°C11°C1.4 mm
26
Clear/Sunny
10°C14°C0.0 mm
27
Partly Cloudy
9°C13°C0.0 mm
28
Patchy rain nearby
11°C13°C0.2 mm
29
Patchy rain nearby
11°C12°C0.5 mm
30
Clear/Sunny
10°C14°C0.0 mm
31
Partly Cloudy
10°C12°C0.0 mm
Nearby

Where to go near Hiiumaa Island in May?

Compare cities and destinations near Hiiumaa Island in May 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 May: your frequently asked questions

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

It's an average period, nothing special. Conditions are mediocre in Hiiumaa Island in May, which ranks this month 5th out of 12. The choice of region will make a real difference.

Expect an average of 12°C during the day and 9°C at night, with about 57 mm of precipitation spread over 3 rainy days.

The sea is only 7°C on average in May. Swimming is still possible, but it will be cool.

Expect about 14.8 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.

No: this month is in Moderate crowds, with a visitor index of 29/100. It is one of the quietest periods of the year.

If your dates are flexible, the most favorable months in Hiiumaa Island are: June, July, August and September. Compare them before finalizing your departure.
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