Climate and monthly weather forecastLappeenranta, Finland
Climate and monthly weather forecast
The climate of Lappeenranta
In geographic terms, Lappeenranta rests within the climatic sphere designated as a Humid Continental type under the Köppen climate classification, specifically denoted as Dfb without a dry season and hosting warm summers. Over the year, Lappeenranta weather patterns are characterized by a remarkable shift from relatively mild summers to cold, snowy winters.Temperature fluctuations in Lappeenranta are significant. Average temperatures in the colder months hit their lowest in January at -8.6°C (16.5°F) and peak at around 22.3°C (72.1°F) in July. Meanwhile, humidity levels depict a year-round pattern of high readings, with February recording the highest at 95% and May the lowest at 66%. Monthly precipitation levels generally exhibit a steady increase from the start of the year, from 41mm (1.61") in January, peaking at 53mm (2.09") in August before descending back to 51mm (2.01") in December. The number of rainy days follows a slightly similar trend, increasing from 5.3 days in January to a peak of 18.1 days in July.
Uniquely, Lappeenranta encounters significant snowfall in winter, with maximum snowfall levels recorded in January at 262mm (10.31") and it reduces to 235mm (9.25") by December. However, during summer months, no snowfall is reported. The amount of daylight varies throughout the year, with longer average hours from April to September reaching peak daylight length of about 19.1 hours in June. During winter months the daylight dwindles significantly with December only enjoying an average of 5.7 daylight hours.
The best time to visit Lappeenranta
Judging by weather metrics available, the most suitable period to visit Lappeenranta falls between late spring and early autumn. From May to September, Lappeenranta experiences relatively warmer temperatures ranging between 15.1°C (59.2°F) to 22.3°C (72.1°F). During this span, the city enjoys increased daylight hours, averaging between 14.7 hours in April and 18.3 hours by July. Visitors during these months can anticipate an optimal climate for outdoor pursuits and sightseeing.The worst time to visit Lappeenranta
Conversely, periods from late autumn to early spring, precisely from November to March, might prove quite challenging for visitors not accustomed to harsh winter climates. With temperatures dipping to a low of -8.6°C (16.5°F) in January and snowfall escalating to a high of 262mm (10.31") in January, preparations for the severe cold would be necessary for any adventuring in these months.Spring weather in Lappeenranta
As Lappeenranta transition from the clasp of winter into spring, ambient temperatures begin a steady ascent to an average high of 15.1°C (59.2°F) in May. In this season, rainfall and daylight hours rise concurrently; rainfall varies from 32mm (1.26") in April to 38mm (1.5") in May while daylight spans from 14.7 hours in March to 17.5 hours by May.Summer weather in Lappeenranta
In Lappeenranta, summer months of June to August reveal a pleasant climate with the highest temperatures tipping at an average of 22.3°C (72.1°F) in July. The city experiences null snowfall, maximum daylight of 19.1 hours in June, and considerable rainfall peaking at 53mm (2.09") in August.Autumn weather in Lappeenranta
The autumn months in Lappeenranta usher in a transitional period as weather patterns slowly revert towards winter conditions. Temperatures gradually fall from 14.7°C (58.5°F) in September to 2.5°C (36.5°F) in November. The daylight hours are also reduced drastically from 12.9 hours in September to 7.3 hours in November.Winter weather in Lappeenranta
Winters in Lappeenranta can be quite severe with temperatures plummeting to their lowest readings of the year. In the coldest months of December to February, the city experiences average lows ranging from -1.3°C (29.7°F) to -8.6°C (16.5°F). Alongside the chill, December reports high levels of snowfall at 235mm (9.25"), while daylight hours dwindling to an average minimum of 5.7 hours.Weather in January
The chill of winter is evident in Lappeenranta, Finland, with January displaying its expected frigid nature. The high amount of snowfall of 262mm (10.31"), along with low visibility of only 5km (3.1mi), can make it challenging for outdoor activities. Weather in January »Weather in February
As the calendar turns to February, the climate in Lappeenranta remains unforgiving and bitterly cold while seeing a modest reduction in snowfall to a still hefty 254mm (10"). The high levels of humidity with a reading of 95%, paired with low temperatures, could make the cold feel even more penetrating, leading to a chill that is hard to shake off. Weather in February »Weather in March
March in Lappeenranta sees the thawing of winter’s sharpest bite, with temperatures rising marginally and snowfall diminishing to 229mm (9.02"). Nevertheless, the cold lingers in the air, ensuring winter coats continue to be a necessary wardrobe item. Weather in March »Weather in April
April displays the telltale signs of an awakening to spring in Lappeenranta. Although the weather is a stark leap from the rigid winter conditions, snowfall can still be expected, albeit at a significantly reduced amount of 61mm (2.4"). Weather in April »Weather in May
As May approaches, Lappeenranta truly steps into spring with temperatures noticeably becoming more pleasant. This warmer weather contributes to the last vestiges of winter, as indicated by the reduced snowfall to a low of 28mm (1.1"). Weather in May »Weather in June
The arrival of June marks the official start of summer in Lappeenranta, with increasing daytime temperatures and no snow is seen throughout the city. The combination of longer daylight hours and the highest UV index of 5 makes the city vibrant and attractive for tourists. Weather in June »Weather in July
July stands as the peak of summer in Lappeenranta, showcasing the city's warmest weather with temperatures reaching up to a high of 22.3°C (72.1°F). This enticing warmth complements the bounty of sunshine perfectly, creating an idyllic atmosphere for light-filled adventures. Weather in July »Weather in August
As August rolls around, Lappeenranta's weather exhibit signs of the midsummer phase, with slightly lower temperatures than July, although it retains much of the summer warmth. This month enjoys the continuation of clear skies, longer sunshine hours, and higher daylight durations. Weather in August »Weather in September
September brings a transition towards fall in Lappeenranta, with decreased temperatures and the return of minimal snowfall after months of no snow. The cool gusts of wind, paired with shrinking daylight hours, begin to signal the onset of autumn. Weather in September »Weather in October
October in Lappeenranta is characterised by a full immersion into autumn, experiencing a substantial drop in temperatures and a rise in snowfall with 60mm (2.36") registered. A blend of autumnal shades paints the city, contributing to the captivating scenery that unfolds. Weather in October »Weather in November
The chill of winter starts settling in Lappeenranta during November. There is a drastic increase in snowfall up to 99mm (3.9"), preparing the city for the upcoming harsh Finnish winter. The diminishing daylight hours get replaced by longer stretches of darkness, adding to the winter prelude. Weather in November »Weather in December
By the time December arrives, Lappeenranta, Finland, is fully embraced in its winter season, registering a significant increase in snowfall up to 235mm (9.25"). This month takes on the role of a winter treasure trove, transforming the city into a pristine white landscape. 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
During the coldest month in Lappeenranta, January, temperatures average a high of -4.7°C (23.5°F) and a low of -8.6°C (16.5°F).
In Lappeenranta, Finland, during the entire year, the rain falls for 150.8 days and collects up to 525mm (20.67") of precipitation.
Months with snowfall are January through May, October through December.
January is the month with the most snowfall. Snow falls for 22.8 days and accumulates 262mm (10.31") of snow.
In Lappeenranta, Finland, during the entire year, snow falls for 116.2 days and aggregates up to 1228mm (48.35") of snow.
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Lappeenranta.
The most humid month is February, with an average relative humidity of 95%.
April is the month with the least rainfall in Lappeenranta, Finland. Rain falls for 13.9 days and accumulates 32mm (1.26") of precipitation.
With an average relative humidity of 66%, May is the least humid month.
In Lappeenranta, snow does not fall in June through September.
With an average of 19h and 6min of daylight, June has the longest days of the year.
With an average of 11.7h of sunshine, June has the most sunshine of the year.
June and July, with an average maximum UV index of 5, are months with the highest UV index.
In Lappeenranta, July is the warmest month, with temperatures averaging a high of 22.3°C (72.1°F) and a low of 13.3°C (55.9°F).
August is the month with the most rainfall in Lappeenranta. Rain falls for 16.4 days and accumulates 53mm (2.09") of precipitation.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Lappeenranta, Finland, 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.
The month with the shortest days in Lappeenranta, Finland, is December, with an average of 5h and 42min of daylight.
December has the least sunshine of the year, with an average of 0.9h of sunshine.
Average temperature
Lappeenranta, Finland
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).
Average pressure
Lappeenranta, Finland
- Average pressure in January:
1012mbar - Average pressure in February:
1012.9mbar - Average pressure in March:
1010.9mbar - Average pressure in April:
1013.1mbar - Average pressure in May:
1014.8mbar - Average pressure in June:
1011.8mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1013.2mbar - Average pressure in September:
1013.3mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1012.6mbar - Average pressure in December:
1008.9mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed
Lappeenranta, Finland
- Average wind speed in January:
12.3km/h - Average wind speed in February:
11.9km/h - Average wind speed in March:
12.2km/h - Average wind speed in April:
11km/h - Average wind speed in May:
11.2km/h - Average wind speed in June:
11.3km/h
- Average wind speed in July:
10.6km/h - Average wind speed in August:
10.6km/h - Average wind speed in September:
11.4km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
12.9km/h - Average wind speed in December:
13.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity
Lappeenranta, Finland
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall
Lappeenranta, Finland
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days
Lappeenranta, Finland
- Average rainfall days in January:
5.3 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
8.3 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
16.4 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
16 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
13.7 days - Average rainfall days in December:
9.4 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Lappeenranta, Finland
- Average snowfall in January:
262mm - Average snowfall in February:
254mm - Average snowfall in March:
229mm - Average snowfall in April:
61mm - Average snowfall in May:
28mm - Average snowfall in June:
0mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Lappeenranta, Finland
- Average snowfall days in January:
22.8 days - Average snowfall days in February:
22.3 days - Average snowfall days in March:
22.5 days - Average snowfall days in April:
8.8 days - Average snowfall days in May:
1.6 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:
0.3 days - Average snowfall days in October:
4.8 days - Average snowfall days in November:
11.3 days - Average snowfall days in December:
21.8 days
The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Lappeenranta, Finland
- Average daylight in January:
6h and 36min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 42min - Average daylight in May:
17h and 30min - Average daylight in June:
19h and 6min
- Average daylight in July:
18h and 18min - Average daylight in August:
15h and 42min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 18min - Average daylight in December:
5h and 42min
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 42min).
- Average sunshine in January:
1h and 42min - Average sunshine in February:
1h and 54min - Average sunshine in March:
3h and 12min - Average sunshine in April:
5h and 42min - Average sunshine in May:
9h and 24min - Average sunshine in June:
11h and 42min
- Average sunshine in July:
11h and 12min - Average sunshine in August:
9h and 18min - Average sunshine in September:
6h and 36min - Average sunshine in October:
3h and 30min - Average sunshine in November:
2h and 18min - Average sunshine in December:
0h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days
Lappeenranta, Finland
- Average sunshine days in January:
6.8 days - Average sunshine days in February:
5.4 days - Average sunshine days in March:
5.8 days - Average sunshine days in April:
8.8 days - Average sunshine days in May:
14.3 days - Average sunshine days in June:
11 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
8.9 days - Average sunshine days in October:
10.8 days - Average sunshine days in November:
6.6 days - Average sunshine days in December:
4.7 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).
Average UV index
Lappeenranta, 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
Lappeenranta, Finland
The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility
Lappeenranta, Finland
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
