Climate and monthly weather forecastKouvola, Finland
Climate and monthly weather forecast
The climate of Kouvola
Kouvola, Finland rests within the confines of the Köppen climate classification Dfb. This climate classification represents a condition of a humid continental climate with no dry season and warm summers. Geographically, Kouvola is positioned in the southeast of Finland, which somewhat influences its weather patterns.Surveying climatic trends throughout the year reveals significant shifts in several weather parameters. Temperatures range from a chilly -8.3°C (17.1°F) in January up to a mildly warm 21.6°C (70.9°F) by July, indicating a substantial shift between the winter and summer months. Humidity is usually high, varying between 68% to 95%, while pressure remains fairly stable hovering around 1011mb to 1014.8mb. Assessed from these numbers, Kouvola experiences a humid and moderately pressured atmosphere.
Precipitation also varies widely. Rainfall in terms of volume differs by a small margin, ranging from 25mm (0.98") in April to 51mm (2.01") in July. However, the number of rainfall days presents a more drastic shift, with January only witnessing an average of a mere 3.5 days of rainfall, and this figure amplifies up to 16.9 days in July. Additionally, patterns of snowfall also deserve attention, given the substantial figures registered. From zeromm in June to September, it can climb up to an overwhelming 227mm (8.94") in January. Similarly, the number of snowfall days can rise from nothing during the summer to a hefty 21.3 days in winter.
Another distinguishing feature regarding the climate of Kouvola is the presence of daylight, sunshine, and UV index. On average, daylight hours extend from a diminutive 5.8 hours in December up to a generous 19.1 hours in June. Correspondingly, sunshine duration escalates from 1.2 hours in December to 11.9 hours in June, indicating a brighter atmosphere during the summer. In terms of UV index, it scales from 1 in the less sunny months to 5 in the brighter ones.
The best time to visit Kouvola
Accommodating various preferences, different periods of the year could be considered favorable for visiting Kouvola. However, the latter half of spring and the initial days of summer typically present the most amicable conditions. Here, both average temperatures and daylight hours are favorable. Precisely, May and June offer mild warmth with temperatures reaching 14.9°C (58.8°F) to 18.8°C (65.8°F), amidst an impressive stretch of daylight spanning 17.4 hours to 19.1 hours. Similarly, the frequency of sunshine is visibly higher during these months, providing an extended period for exploration and activities.The worst time to visit Kouvola
Weather conditions can be quite harsh during the winter months in Kouvola. The months from December to February experience considerable snowfall with relatively low temperatures from -8.3°C (17.1°F) to -4.6°C (23.7°F). Such conditions may prove trying for tourists unaccustomed to such chilly environments. Moreover, the limited daylight, shrinking to as short as 5.8 hours in December, may constrain outdoor activities and limit sightseeing opportunities.Spring weather in Kouvola
Spring in Kouvola spans March through May, with temperatures gradually warming up. The weather transitions from chilly conditions on the onset with temperatures around -0.1°C (31.8°F) in March, to milder weather by May with temperatures rising to 14.9°C (58.8°F). Alongside, daylight hours also lengthen, providing more daylight for outdoor activities. Spring witnesses a mix of rain and snowfall, with snowfall tapering off as the season advances.Summer weather in Kouvola
Summer months, ranging from June to August, grace Kouvola with the warmest and sunniest conditions of the year. Average temperatures increase to between 18.8°C (65.8°F) and 21.6°C (70.9°F), while daylight extends up to 19.1 hours in June before slightly retracting to 18.2 hours by August. Although the rainfall is at its peak during this time, it does not impede the almost ceaseless sunshine, spanning 11.9 hours to 11.5 hours.Autumn weather in Kouvola
Autumn in Kouvola, stretching from September to November, experiences a gradual temperature drop from 14.9°C (58.8°F) to 2.5°C (36.5°F). This period also marks a shift from raining to snowing patterns, the latter gradually gaining prevalence as winter approaches. Despite this, daylight hours gradually shorten from 12.9 hours in September to 7.4 hours by November.Winter weather in Kouvola
Winter in Kouvola is characterized by considerable snowfall, pegged from December through February. Snowfall can escalate to as much as 227mm (8.94") in January, with as many as 21.3 snowfall days in the same month. Concurrently, daylight hours drop significantly, coupled with a sharp decrease in the duration of sunshine. The cold season experiences quite low temperatures, dropping to a chilly -8.3°C (17.1°F) in January.Weather in January
Kouvola, Finland ushers in the New Year with chilly temperatures and an abundance of snowfall, typical of its northern climate. January boasts an impressive average snowfall of 227mm (8.94"), the year's highest, reinforcing its reputation as a winter wonderland. Weather in January »Weather in February
In February, Kouvola experiences a continuation of the winter weather with only a slight increase in high temperatures to -3.3°C (26.1°F), up from January's -4.3°C (24.3°F). Despite the persistent cold, daylight hours extend to an average of 9.1 hours, allowing for a wider range of outdoor activities. Weather in February »Weather in March
March in Kouvola heralds the beginning of spring, characterized by more prominent shifts in weather patterns. At a warmer -0.1°C (31.8°F) high compared to February's -3.3°C (26.1°F), melting snow ushers in a season of rebirth. Weather in March »Weather in April
Kouvola greets April with the promise of more spring-like weather. The city witnesses a substantial increase in the high temperature, now averaging 6.6°C (43.9°F). The long-awaited warmth is accompanied by longer daylight hours, enabling residents to enjoy outdoor activities for longer. Weather in April »Weather in May
May in Kouvola is known for warmer temperatures and abundant sunshine. The temperature rise is noticeable, now hitting a high of 14.9°C (58.8°F), and the days continue to lengthen. An increase in clarity visibility reinforces the trend towards more pleasant weather. Weather in May »Weather in June
June brings to Kouvola the pinnacle of summer, featuring optimum weather conditions. Remarkably, it's the sunniest month with an average of 11.9 hours of sunlight, despite a slight increase in rainfall to 39mm (1.54"). The longer daylight hours allow for a broader range of outdoor activities using the prevailing warmth. Weather in June »Weather in July
July presents Kouvola in full summer glory, with comfortable temperatures and abundant sunshine. It's the warmest month, with its high temperature peak at 21.6°C (70.9°F), offering locals and tourists the best of Finnish weather. Weather in July »Weather in August
In Kouvola, August signifies the gradual conclusion of summer, without significant deviations from July's established patterns. It sustains a warm temperature, slightly dipping to a high of 20.4°C (68.7°F); however, the noticeable difference is the reduction in daylight. Weather in August »Weather in September
September ushers in the colourful season of Autum in Kouvola, bringing about considerable changes in the weather patterns. High temperatures decline to 14.9°C (58.8°F), setting the stage for the forthcoming months. As daylight hours reduce, local flora paints the city in exquisite hues, making it a beautiful sight despite shorter days. Weather in September »Weather in October
October in Kouvola welcomes a chillier autumn, resulting in an even steeper reduction in temperature. Now, high temperatures average around 7.1°C (44.8°F), a drop from September's 14.9°C (58.8°F). Notwithstanding the drastic temperature change, it's a festive period with a Halloween atmosphere complemented by the falling leaves. Weather in October »Weather in November
November in Kouvola is characterized by the crisp chill of late autumn, along with the first significant snowfall. Comparatively, November sees a significant increase in snowfall, jumping to 76mm (2.99") from October's minimal 30mm (1.18"). Weather in November »Weather in December
December in Kouvola welcomes the peak of winter, with drastic changes prescribed by the Northern Hemisphere's climatology. The temperature drops to -1.2°C (29.8°F) high, significantly colder compared to November's 2.5°C (36.5°F). Weather in December »Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Kouvola's coldest month, January, registers temperatures that range from a high of -4.3°C (24.3°F) to a low of -8.3°C (17.1°F).
Throughout the year, in Kouvola, Finland, there are 131.9 rainfall days, and 451mm (17.76") of precipitation is accumulated.
Months with snowfall are January through May, October through December.
In Kouvola, during the entire year, snow falls for 104.4 days and aggregates up to 1093mm (43.03") of snow.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Kouvola, Finland.
The most humid month in Kouvola, Finland, is February, with an average relative humidity of 95%.
The month with the most snowfall in Kouvola is February, when snow falls for 20.8 days and typically aggregates up to 231mm (9.09") of snow.
The month with the least rainfall is April, when the rain falls for 11.8 days and typically collects 25mm (0.98") of precipitation.
With an average relative humidity of 68%, May is the least humid month in Kouvola, Finland.
June through September are months without snowfall in Kouvola, Finland.
June has the longest days of the year in Kouvola, with an average of 19h and 6min of daylight.
The month with the most sunshine in Kouvola, Finland, is June, with an average of 11.9h of sunshine.
June and July, with an average maximum UV index of 5, are months with the highest UV index.
July, marked by an average high-temperature of 21.6°C (70.9°F) and a low-temperature of 13°C (55.4°F), is the warmest month in Kouvola, Finland.
The month with the most rainfall is July, when the rain falls for 16.9 days and typically aggregates up to 51mm (2.01") of precipitation.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 03:00, and the time zone reverts from EET to EEST.
December has the shortest days of the year, with an average of 5h and 48min of daylight.
The month with the least sunshine in Kouvola is December, with an average of 1.2h of sunshine.
Average temperature
Kouvola, Finland
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure
Kouvola, Finland
- Average pressure in January:
1011.9mbar - Average pressure in February:
1012.7mbar - Average pressure in March:
1011mbar - Average pressure in April:
1013.2mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1011.9mbar
- Average pressure in July:
1011mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1013.4mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1008.7mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed
Kouvola, Finland
- Average wind speed in January:
13km/h - Average wind speed in February:
12.3km/h - Average wind speed in March:
12.5km/h - Average wind speed in April:
11.5km/h - Average wind speed in May:
11.5km/h - Average wind speed in June:
11.6km/h
- Average wind speed in July:
10.8km/h - Average wind speed in August:
10.7km/h - Average wind speed in September:
11.6km/h - Average wind speed in October:
12.4km/h - Average wind speed in November:
12.8km/h - Average wind speed in December:
13.8km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity
Kouvola, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (68%).
Average rainfall
Kouvola, Finland
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days
Kouvola, Finland
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
7.1 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
12.4 days - Average rainfall days in November:
12.3 days - Average rainfall days in December:
8.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Kouvola, Finland
- Average snowfall in January:
227mm - Average snowfall in February:
231mm - Average snowfall in March:
219mm - Average snowfall in April:
47mm - Average snowfall in May:
39mm - Average snowfall in June:
0mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Kouvola, Finland
- Average snowfall days in January:
21.3 days - Average snowfall days in February:
20.8 days - Average snowfall days in March:
20.1 days - Average snowfall days in April:
7.2 days - Average snowfall days in May:
0.9 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
3.9 days - Average snowfall days in November:
8.9 days - Average snowfall days in December:
21.2 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Kouvola, Finland
- Average daylight in January:
6h and 36min - Average daylight in February:
9h and 6min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 24min - Average daylight in June:
19h and 6min
- Average daylight in July:
18h and 12min - Average daylight in August:
15h and 42min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 24min - Average daylight in December:
5h and 48min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January:
1h and 48min - Average sunshine in February:
2h and 6min - Average sunshine in March:
3h and 30min - Average sunshine in April:
6h and 0min - Average sunshine in May:
9h and 42min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 30min - Average sunshine in August:
9h and 36min - Average sunshine in September:
7h and 6min - Average sunshine in October:
3h and 36min - Average sunshine in November:
2h and 36min - Average sunshine in December:
1h and 12min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days
Kouvola, Finland
- Average sunshine days in January:
8.4 days - Average sunshine days in February:
7.4 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
17.3 days - Average sunshine days in June:
14 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
13.5 days - Average sunshine days in October:
13.7 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
5.5 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index
Kouvola, Finland
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Kouvola, Finland
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility
Kouvola, Finland
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
