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Mariehamn, Åland Islands Climate & Temperature

⛺ Mariehamn, Åland Islands has a humid continental climate with severe winters, no dry season, warm summers and strong seasonality (Köppen-Geiger classification: Dfb).warm summer continental climate with no dry season (Dfb)

🌡️ The mean annual temperature is 5.4 degrees Celsius (41.8 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.

🐬 Average monthly temperatures vary by 21.5 °C (38.7°F). This indicates that the continentality type is continental, subtype subcontinental.

☔ Total annual precipitation averages 558 mm (22 inches) which is equivalent to 558 Litres/m² (13.69 Gallons/ft²).

Mariehamn, Åland Islands Climate Graph

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In the winter time records indicate temperatures by day reach -0.3°C (31.4°F) on average falling to -5.3°C (22.4°F) overnight.

In spring time temperatures climb reaching 6.3°C (43.4°F) generally in the afternoon with overnight lows of -1.3°C (29.6°F).

During summer average high temperatures are 19.3°C (66.8°F) and average low temperatures are 10.7°C (51.2°F).

Come autumn/ fall temperatures decrease achieving average highs of 9.7°C (49.4°F) during the day and lows of 4.3°C (39.8°F) generally shortly after sunrise.

✨ The longest day of the year is 18:31 long on the 22 of June and the shortest day is 5:28 long on the 21 of December.

🐇Were you to burrow down through the centre of the Earth from Mariehamn you would pop up nearest to the climate station at Mcmurdo Sound, Antarctica where you would find a Ice Cap climate.

🌍Mariehamn, Åland Islands, Finland is at 60°7'N, 19°53'E, 4 m (13 ft). Check the location on the map.

Mariehamn, Åland Islands Climate Table

 Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov DecAnnual
 
Average Max Temperature °C ( °F) -1 (30) -2 (28) 1 (34) 6 (43) 12 (54) 17 (63) 21 (70) 20 (68) 15 (59) 9 (48) 5 (41) 2 (36) 9 (48)
 
Average Temperature °C ( °F) -4 (26) -5 (23) -3 (28) 3 (37) 8 (46) 13 (55) 17 (62) 16 (61) 12 (53) 7 (44) 3 (37) 0 (32) 5 (42)
 
Average Min Temperature °C ( °F) -6 (21) -8 (18) -6 (21) -1 (30) 3 (37) 8 (46) 12 (54) 12 (54) 8 (46) 4 (39) 1 (34) -2 (28) 2 (36)
 
Average Precipitation mm (in) 48 (2) 31 (1) 26 (1) 33 (1) 32 (1) 37 (1) 45 (2) 66 (3) 64 (3) 57 (2) 62 (2) 57 (2) 558 (22)
Number of Wet Days (probability of rain on a day %) 20 (65) 16 (57) 13 (42) 12 (40) 10 (32) 11 (37) 12 (39) 13 (42) 16 (53) 18 (58) 19 (63) 20 (65) 180 (49)
Average Daylight Hours/ Day 6h 48' 9h 05' 11h 47' 14h 37' 17h 13' 18h 45' 18h 02' 15h 41' 12h 53' 10h 03' 7h 28' 6h 00' 12h 00'
Sun altitude at solar noon on the 21st day (°). 10.1 19.4 30.2 41.8 50.1 53.3 50.3 42 30.5 19.1 10 6.6 30.2

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