UTC Offset
UTC+03:00
Bomarsund, Åland Islands Snapshot 2026
Where is Bomarsund?
Bomarsund, Åland Islands
- Continent
- Europe
- Country
- Åland Islands
- City
- Bomarsund
- Population
- 1K
- Coordinates
- 60.21°, 20.24°
Bomarsund is a city in Åland Islands with a population of approximately 1K. Average temperatures range from -1°C (30°F) in February to 19°C (66°F) in July. The best time to visit is June, July, August, September.
Time in Bomarsund right now
Open full time & time zone page 18:11 11
Tuesday, June 30, 2026
IANA time zone
Europe/Mariehamn
Daylight saving
DST in effect
CEST / EEST
Next DST change
October 25
backward -1h
Live weather in Bomarsund
Daylight in Bomarsund today
View full sunrise & sunset page Sunrise
Sunset
Day length
18h 49m
Climate normals for Bomarsund
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -1°C | -4°C / -8°C | 12days (54 mm) Wet | 1.8h Poor | 83% Humid | 0.5 Low | Poor | View Details |
| February | 1°C / -1°C | -4°C / -8°C | 8days (36 mm) Wet | 4h Fair | 82% Humid | 1.1 Low | Poor | View Details |
| March | 3°C / 0°C | -3°C / -6°C | 7days (29 mm) Good | 7.4h Good | 80% Humid | 2.4 Moderate | Poor | View Details |
| April | 6°C / 2°C | 1°C / -3°C | 7days (29 mm) Good | 10.6h Excellent | 78% Humid | 3.5 Moderate | Poor | View Details |
| May | 10°C / 7°C | 7°C / 2°C | 5days (28 mm) Good | 13.2h Excellent | 74% Muggy | 5.2 High | Fair | View Details |
| June best | 16°C / 13°C | 15°C / 10°C | 6days (34 mm) Good | 14.7h Excellent | 76% Humid | 5.6 High | Excellent | View Details |
| July best | 19°C / 16°C | 18°C / 14°C | 9days (47 mm) Wet | 14.1h Excellent | 78% Humid | 5.3 High | Excellent | View Details |
| August best | 19°C / 16°C | 17°C / 13°C | 12days (70 mm) Wet | 11.8h Excellent | 79% Humid | 4.3 Moderate | Excellent | View Details |
| September best | 15°C / 13°C | 13°C / 9°C | 10days (50 mm) Wet | 9.1h Good | 79% Humid | 3.1 Moderate | Good | View Details |
| October | 10°C / 8°C | 6°C / 3°C | 15days (80 mm) Wet | 5.1h Fair | 80% Humid | 1.5 Low | Poor | View Details |
| November | 6°C / 4°C | 1°C / -2°C | 13days (59 mm) Wet | 2.3h Poor | 83% Humid | 0.6 Low | Poor | View Details |
| December | 3°C / 1°C | -2°C / -5°C | 14days (58 mm) Wet | 1h Poor | 82% Humid | 0.3 Low | Poor | View Details |
Monthly Temperatures
High Low
Line chart showing monthly temperatures. Jan: 1°C / -1°C . Feb: 1°C / -1°C . Mar: 3°C / 0°C . Apr: 6°C / 2°C . May: 10°C / 7°C . Jun: 16°C / 13°C . Jul: 19°C / 16°C . Aug: 19°C / 16°C . Sep: 15°C / 13°C . Oct: 10°C / 8°C . Nov: 6°C / 4°C . Dec: 3°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 54 mm. Feb: 36 mm. Mar: 29 mm. Apr: 29 mm. May: 28 mm. Jun: 34 mm. Jul: 47 mm. Aug: 70 mm. Sep: 50 mm. Oct: 80 mm. Nov: 59 mm. Dec: 58 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 82%. Mar: 80%. Apr: 78%. May: 74%. Jun: 76%. Jul: 78%. Aug: 79%. Sep: 79%. Oct: 80%. Nov: 83%. Dec: 82%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 36 km/h . Feb: 33 km/h . Mar: 31 km/h . Apr: 29 km/h . May: 26 km/h . Jun: 27 km/h . Jul: 26 km/h . Aug: 29 km/h . Sep: 29 km/h . Oct: 33 km/h . Nov: 33 km/h . Dec: 34 km/h .
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 0°C . Feb: 0°C . Mar: 1°C . Apr: 4°C . May: 10°C . Jun: 17°C . Jul: 21°C . Aug: 20°C . Sep: 17°C . Oct: 11°C . Nov: 6°C . Dec: 2°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 2. Apr: UV 4. May: UV 5. Jun: UV 6. Jul: UV 5. Aug: UV 4. Sep: UV 3. Oct: UV 2. Nov: UV 1. Dec: UV 0.
Frequently Asked Questions
Bomarsund has a population of approximately 1K.
The best months to visit Bomarsund are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Bomarsund receives approximately 574mm of rainfall annually across 118 rainy days.
Bomarsund is located in Åland Islands, in the Europe region.