Kouvola weather and climate in 2025
Day
20 °C
Night
11 °C
Sea
17 °C
Precipitation
74 mm
in month
Rainy days
12 days
in month
Daylight
16 hours
average
Sunshine
6 hours
average
Humidity
80 %
Day
20 °C
Night
11 °C
Sea
17 °C
Precipitation
74 mm
in month
Rainy days
12 days
in month
Daylight
16 hours
average
Sunshine
6 hours
average
Humidity
80 %
Overview: Kouvola
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Weather overview for Kouvola
Weather overview
Kouvola (Finland) in general has a cold continental climate. Temperatures during the day are in the range from -4 °C (24 °F) in February to 22 °C (72 °F) in July. The least rainy month in Kouvola is May with its 8 days of rain, the rainiest month is December, when it rains 14 days. The highest night temperatures could be experienced in July with 13 °C (55 °F), the lowest in February with -11 °C (13 °F).
January weather
The descent of the day temperature can be observed, with its value of -4 °C (25 °F) in Kouvola, and the descent of the night temperature can be observed as well. The number of rainy days starts to descent, the value of this measure is 13 days, and the rainfall amount descent's start could be observed as well in this month.
February weather
The day temperature is on its minimum, its value is -4 °C (24 °F) in Kouvola, and the night temperature reaches its minimum as well in February. The descent of the number of rainy days can be observed, with its value of 10 days, and the descent of the rainfall amount can be observed too, its value is 38 mm (1.49 in). The number of sun hours (without clouds) rise's start could be observed.
March weather
The beginning of the rise of the day temperature could be noticed, with its value being 1 °C (33 °F) in Kouvola, and the night temperature rise's start could be observed too, with its value of -6 °C (20 °F). The number of sun hours (without clouds) continues to rise, with its value being 3 hours.
April weather
The rise of the day temperature can be observed, with its value being 8 °C (46 °F) in Kouvola, and the night temperature rises similarly to the previous month too, with its value of -1 °C (30 °F). The minimum of the rainfall amount can be noticed, with its value being 28 mm (1.11 in), while the beginning of the descent of the number of rainy days could be noticed, its value is 8 days. The number of sun hours (without clouds) rises similarly to the previous month, with its value being 5 hours.
May weather
The minimum of the number of rainy days is observable, the value of this measure is 8 days in Kouvola, while the rainfall amount starts to rise in May. The day temperature rises similarly to the previous month, the value of this measure is 15 °C (60 °F), and the rise of the night temperature can be observed as well. The number of sun hours (without clouds) rises similarly to the previous month, its value is 8 hours. The humidity is on its minimum.
June weather
The tourist season is at its beginning in Kouvola. The rise of the day temperature can be observed, the value of this measure is 19 °C (67 °F), and the night temperature rises similarly to the previous month as well, with its value of 10 °C (49 °F). The number of rainy days rise's start could be observed, the value of this measure is 10 days, while the rainfall amount rises similarly to the previous month, its value is 60 mm (2.37 in). The number of sun hours (without clouds) reaches its maximum, its value is 8 hours.
July weather
The ongoing tourist season is noticeable this month in Kouvola. The maximum of the day temperature is observable, the value of this measure is 22 °C (72 °F), and the maximum of the night temperature can be noticed as well, its value is 13 °C (55 °F). The rainfall amount rises similarly to the previous month, the value of this measure is 66 mm (2.61 in). The number of sun hours (without clouds) starts to descent, its value is 8 hours.
August weather
The tourist season is taking place in Kouvola. The number of rainy days starts to rise, while the maximum of the rainfall amount is observable, with its value being 74 mm (2.92 in). The beginning of the descent of the day temperature could be noticed, its value is 20 °C (67 °F), and the night temperature descent's start could be observed too, with its value being 11 °C (52 °F). The wind speed is on its minimum, with its value of 2.
September weather
The beginning of the descent of the rainfall amount could be noticed, with its value of 58 mm (2.27 in) in Kouvola. The day temperature descents similarly to the previous month, with its value of 14 °C (56 °F), and the night temperature descents similarly to the previous month as well, with its value being 7 °C (44 °F). The descent of the number of sun hours (without clouds) can be observed, with its value being 4 hours.
October weather
The number of rainy days starts to rise, with its value of 13 days in Kouvola, and the beginning of the rise of the rainfall amount could be noticed as well in October. The day temperature continues to descent, with its value being 7 °C (45 °F), and the descent of the night temperature can be observed as well, the value of this measure is 2 °C (36 °F). The descent of the number of sun hours (without clouds) can be observed, with its value of 2 hours.
November weather
The rise of the number of rainy days can be observed, with its value being 13 days in Kouvola, while the beginning of the descent of the rainfall amount could be noticed, its value is 63 mm (2.47 in). The day temperature continues to descent, with its value being 1 °C (34 °F), and the night temperature descents similarly to the previous month too, with its value being -3 °C (27 °F). The maximum of the humidity can be noticed, the value of this measure is 90 %. The maximum of the wind speed can be noticed, the value of this measure is 3.
December weather
The maximum of the number of rainy days is observable in this month in Kouvola. The descent of the day temperature can be observed, and the night temperature descents similarly to the previous month as well, with its value of -7 °C (19 °F). The number of sun hours (without clouds) reaches its minimum in this month. The minimum of the day length can be noticed.
FAQs
How many sunny hours can I expect in Kouvola in May?
In May in Kouvola, you can expect around 8 hours of sunshine.
Are there good conditions to visit in Kouvola in June?
June is a good month to visit Kouvola. There are some people, who may feel a slight chill at 19 °C (67 °F), but others will feel perfectly fine. The temperature of 10 °C (49 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.
Is there a wet season in July in Kouvola?
No, there is no wet season in July in Kouvola - you can expect 10 days of rain during the month.
What temperature can I expect during the day in Kouvola in August?
In August in Kouvola, the average daily temperatures will be 20 °C (67 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
How many days of precipitation on average can I expect in Kouvola in September?
There are 11 days, which are rainy in September in Kouvola, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.
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