Weather and climate in Öland (Sweden)

The climate of Öland is Baltic, that is to say, relatively continental, with cold winters and mild summers.
Öland is the second Swedish island and is located a short distance from the south-eastern coast of Sweden. Compared to the mainland, it has a dry and sunny microclimate.
Given the latitude (56°40'N in the central part of the island), the white nights, in which the sun sets but it does not get completely dark even at midnight, occur from May 28 to July 15.
In winter, during polar cold spells, the temperature can drop to -20 °C (-4 °F) or below. The coldest record is -21.8 °C (-7.2 °F) and was set in February 1956.
In summer, the temperature can reach 28/30 °C (82/86 °F). The highest record is 32 °C (89.6 °F) and was set in late June 1947.

Best Time

The best time to visit Öland is the summer, from June to August, since it is the mildest season. However, you must take into account some rainy days.

Öland - Climate data

The average temperature of the coldest month (February) is of 0.7 °C (33.3 °F), that of the warmest month (July) is of 18.5 °C (65.2 °F). Here are the average temperatures.
Precipitation amounts to 400 millimeters (15.7 inches) per year: it is therefore quite scarce. It ranges from 20 mm (0.8 in) in the driest months (February, March, April) to 50 mm (2 in) in the wettest one (July). Here is the average precipitation.
The sea temperature ranges from 3 °C (37 °F) in February, March to 18 °C (64 °F) in August. Here are the average sea temperatures.
There are on average around 2095 sunshine hours per year. Here are the average hours of sunshine per day.

Öland - Weather by month

Based on the period 1991-2020

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January is generally a cold month. The average temperature is of 1.1 °C (34 °F), with a minimum of -0.5 °C (31.1 °F) and a maximum of 2.7 °C (36.8 °F).
On the coldest nights of the month, the temperature usually drops to around -6 °C (21 °F). However, it dropped to -10 °C (14 °F) in January 2003.
On the warmest days of the month, the temperature usually reaches around 7.5 °C (45 °F). However, it reached 10.7 °C (51.3 °F) in January 2020.
Precipitation amounts to 25 mm (1 in), distributed over 6 days.
The day lasts on average 7 hours and 35 minutes. So the days are short.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average sea temperature is of 4 °C (39 °F). Therefore, the sea is very cold for swimming.

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February, the coldest month of the year, is generally a cold month. The average temperature is of 0.7 °C (33 °F), with a minimum of -1 °C (30.2 °F) and a maximum of 2.5 °C (36.5 °F).
On the coldest nights of the month, the temperature usually drops to around -6.5 °C (20.5 °F). However, it dropped to -15.9 °C (3.4 °F) in February 2010.
On the warmest days of the month, the temperature usually reaches around 7 °C (44.5 °F). However, it reached 12.2 °C (54 °F) in February 2019.
Precipitation amounts to 20 mm (0.8 in), distributed over 6 days.
The day lasts on average 9 hours and 35 minutes.
There are on average 2 hours of sunshine per day. So, the sun shines 21% of the time.
The average sea temperature is of 3 °C (37 °F). Therefore, the sea is very cold for swimming.

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March is generally a cold month. The average temperature is of 2.6 °C (37 °F), with a minimum of 0.4 °C (32.6 °F) and a maximum of 4.8 °C (40.6 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -4 °C (24.5 °F). However, it dropped to -10.6 °C (12.9 °F) in March 2006.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 11.5 °C (52.5 °F). However, it reached 16.6 °C (61.9 °F) in March 2017.
Precipitation amounts to 20 mm (0.8 in), distributed over 5 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average sea temperature is of 3 °C (37 °F). Therefore, the sea is very cold for swimming.

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April is generally a quite cold month. The average temperature is of 5.9 °C (43 °F), with a minimum of 3.2 °C (37.7 °F) and a maximum of 8.6 °C (47.4 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around -0.5 °C (31 °F). However, it dropped to -5.5 °C (22.1 °F) in April 1996.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 16 °C (60.5 °F). However, it reached 21.9 °C (71.4 °F) in April 2018.
Precipitation amounts to 20 mm (0.8 in), distributed over 4 days.
The day lasts on average 14 hours and 25 minutes.
There are on average 8.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average sea temperature is of 4 °C (39.5 °F). Therefore, the sea is very cold for swimming.

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May is generally a mild month. The average temperature is of 10.5 °C (51 °F), with a minimum of 7.5 °C (45.5 °F) and a maximum of 13.4 °C (56.2 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 3.5 °C (38.5 °F). However, it dropped to 0.8 °C (33.4 °F) in May 2017.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 20.5 °C (69 °F). However, it reached 26.5 °C (79.7 °F) in May 2017.
Precipitation amounts to 25 mm (1 in), distributed over 5 days.
The day lasts on average 16 hours and 30 minutes. So the days are long.
There are on average 10.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average sea temperature is of 7.5 °C (45.5 °F). Therefore, the sea is very cold for swimming.

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June is generally a very mild month. The average temperature is of 15.4 °C (60 °F), with a minimum of 12.2 °C (54 °F) and a maximum of 18.5 °C (65.3 °F).
On the coldest nights, which normally occur at the beginning of the month, the temperature usually drops to around 8.5 °C (47.5 °F). However, it dropped to 5.8 °C (42.4 °F) in June 1991.
On the warmest days, which normally occur at the end of the month, the temperature usually reaches around 24 °C (75.5 °F). However, it reached 29.1 °C (84.4 °F) in June 2019.
Precipitation amounts to 40 mm (1.6 in), distributed over 6 days.
The day lasts on average 17 hours and 40 minutes. So the days are very long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 10.5 hours of sunshine per day. So, the sun shines 61% of the time.
The average sea temperature is of 12.5 °C (54.5 °F). Therefore, the sea is very cold for swimming.

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July, the warmest month of the year, is generally a warm month. The average temperature is of 18.5 °C (65 °F), with a minimum of 15.6 °C (60 °F) and a maximum of 21.4 °C (70.4 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (54 °F). However, it dropped to 10 °C (50 °F) in July 1996.
On the warmest days of the month, the temperature usually reaches around 26 °C (79 °F). However, it reached 29.5 °C (85.1 °F) in July 1994.
Precipitation amounts to 50 mm (2 in), distributed over 7 days.
The day lasts on average 17 hours and 0 minutes. So the days are very long.
There are on average 10 hours of sunshine per day. So, the sun shines 60% of the time.
The average sea temperature is of 16.5 °C (62 °F). Therefore, the sea is cold for swimming.

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August is generally a warm month. The average temperature is of 18.2 °C (65 °F), with a minimum of 15.6 °C (60.1 °F) and a maximum of 20.9 °C (69.6 °F).
On the coldest nights of the month, the temperature usually drops to around 12 °C (54 °F). However, it dropped to 9 °C (48.2 °F) in August 2003.
On the warmest days of the month, the temperature usually reaches around 25 °C (77 °F). However, it reached 29.7 °C (85.5 °F) in August 2018.
Precipitation amounts to 45 mm (1.8 in), distributed over 7 days.
The day lasts on average 15 hours and 0 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average sea temperature is of 18 °C (64 °F). Therefore, the sea is cold for swimming.

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September is generally a mild month. The average temperature is of 14.4 °C (58 °F), with a minimum of 12.2 °C (54 °F) and a maximum of 16.6 °C (61.8 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 8.5 °C (47 °F). However, it dropped to 4.6 °C (40.3 °F) in September 1995.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 21 °C (69.5 °F). However, it reached 25.6 °C (78.1 °F) in September 1997.
Precipitation amounts to 35 mm (1.4 in), distributed over 7 days.
The day lasts on average 12 hours and 40 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 49% of the time.
The average sea temperature is of 15 °C (59.5 °F). Therefore, the sea is cold for swimming.

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October is generally a mild month. The average temperature is of 9.4 °C (49 °F), with a minimum of 7.7 °C (45.8 °F) and a maximum of 11.1 °C (51.9 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 3 °C (37 °F). However, it dropped to -1.2 °C (29.8 °F) in October 1992.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 16 °C (60.5 °F). However, it reached 21.3 °C (70.3 °F) in October 1995.
Precipitation amounts to 40 mm (1.6 in), distributed over 8 days.
The day lasts on average 10 hours and 20 minutes.
There are on average 3 hours of sunshine per day. So, the sun shines 28% of the time.
The average sea temperature is of 11.5 °C (52.5 °F). Therefore, the sea is very cold for swimming.

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November is generally a quite cold month. The average temperature is of 5.3 °C (42 °F), with a minimum of 3.8 °C (38.9 °F) and a maximum of 6.7 °C (44.1 °F).
On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around -1 °C (30.5 °F). However, it dropped to -4.1 °C (24.6 °F) in November 1998.
On the warmest days, which normally occur at the beginning of the month, the temperature usually reaches around 11 °C (51.5 °F). However, it reached 13.7 °C (56.7 °F) in November 2014.
Precipitation amounts to 40 mm (1.6 in), distributed over 9 days.
The day lasts on average 8 hours and 5 minutes.
There are on average 1.5 hours of sunshine per day. So, the sun shines 17% of the time.
The average sea temperature is of 8 °C (46.5 °F). Therefore, the sea is very cold for swimming.

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December is generally a cold month. The average temperature is of 2.4 °C (36 °F), with a minimum of 0.9 °C (33.6 °F) and a maximum of 4 °C (39.2 °F).
On the coldest nights of the month, the temperature usually drops to around -4.5 °C (24 °F). However, it dropped to -12.6 °C (9.3 °F) in December 1995.
On the warmest days of the month, the temperature usually reaches around 8 °C (46.5 °F). However, it reached 12 °C (53.6 °F) in December 2015.
Precipitation amounts to 35 mm (1.4 in), distributed over 8 days.
The day lasts on average 6 hours and 55 minutes. So the days are short. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There is an average of 1 hour of sunshine per day. So, the sun shines 15% of the time.
The average sea temperature is of 5.5 °C (42 °F). Therefore, the sea is very cold for swimming.