Climate and monthly weather forecastJoensuu, Finland
Climate and monthly weather forecast
The climate of Joensuu
Notably, Joensuu falls within the Dfc zone of the Köppen climate classification. This signifies a subarctic climate with a severe winter, cool summer, and no dry season. Located in the northeastern part of Finland, this city experiences significant variations in weather parameters throughout the year.Looking at the year-round averages, Joensuu witnesses minimum temperature between -10.4°C (13.3°F) in January and 12.5°C (54.5°F) in July. Conversely, the maximum temperature ranges from -6.4°C (20.5°F) in January to 21.2°C (70.2°F) in July. An assessment of recorded temperatures showcases stark differences in climate throughout the year, presenting a sharp contrast between the chilling winters and cool summers.
The region records the maximum amount of rainfall in July, with an average precipitation of 66mm (2.6"). However, the wettest periods stretch from May to August, characterized by increased rainfall days varying from 16.7 in June to 16.9 in August. In terms of humidity, figures peak during winter months at 96% in February and drop to a low of 68% from May to June.
Noteworthy exclusivities of Joensuu's climate include a staggeringly high average snowfall of 202mm (7.95") in March and December, with a notable absence of snowfall from June to August. Moreover, daylight duration in this region follows a distinct pattern that ranges from just 6.1 hours in January to a robust 19.9 hours in June.
The best time to visit Joensuu
Evaluating climate parameters, the period from May to August appears to be an ideal time to visit Joensuu. During these months, visitors can enjoy moderate temperatures from 13.3°C (55.9°F) to 21.2°C (70.2°F), coupled with an average daily sunshine duration between 9.8 hours in May and 12 hours in June. Additionally, the month of July usually signifies the rainiest period in Joensuu with an average of 66mm (2.6") spread across 17.3 days. Despite the increased rainfall, this time is preferred due to the mild temperatures and long daylight hours.The worst time to visit Joensuu
Considering the severe winter conditions, January and February represent the least favorable months to visit Joensuu. During these months, the city experiences average maximum temperatures below freezing, at -6.4°C (20.5°F) and -5.1°C (22.8°F) respectively. Noteworthy during this period is the high relative humidity above 95%, along with a significant amount of snowfall averaging 181mm (7.13") in January and 182mm (7.17") in February.Spring weather in Joensuu
Spring, defined as March, April, and May in Joensuu, presents gradual increase in temperature. March begins with an average of -1.6°C (29.1°F), while May experiences a considerable warmth of 13.3°C (55.9°F). Snow begins to recede in March and is replaced by rain in April, with an average precipitation of 26mm (1.02") spread across 11.2 days. May promises bountiful sunshine hours, reaching an average of 9.8 hours per day.Summer weather in Joensuu
The summer season in Joensuu, characterized by the months from June to August, is relatively cool but pleasant. During this period, temperatures peak at 21.2°C (70.2°F) in July, with the lowest average recorded at 17.4°C (63.3°F) in June. Rainfall is frequent during summer, with a high precipitation rate of 66mm (2.6") in July. However, the extended daylight period compensates for the rainfall, stretching up to 19.9 hours in June.Autumn weather in Joensuu
During the Autumn months, between September and November, Joensuu witnesses a significant drop in temperature, from 13.5°C (56.3°F) in September to a chilling 1.2°C (34.2°F) in November. The rainfall averages from 39mm (1.54") to 37mm (1.46"), providing relatively wet conditions. Daylight hours decrease gradually throughout Autumn, with average sunshine duration dwindling from 6.3 hours in September to merely 2 hours in November.Winter weather in Joensuu
Winter in Joensuu, spanning December to February, is incredibly severe. December commences the winter season with a maximum temperature of -2.9°C (26.8°F), while January and February reel under freezing temperatures. Snowfall during these months is immense, averaging 202mm (7.95") in December. The shortest daylight period is in December, amounting to a mere 5.1 hours. Concurrently, these months record the least sunshine duration, with December seeing just 0.7 hours daily.Weather in January
January presents the most challenging weather extremes in Joensuu, Finland. Even though the short daylight hours, averaging 6.1h a day, can be daunting, a serene beauty often underlies the frosty conditions. This month sees some of the lowest temperatures of the year, with extremes ranging from -6.4°C (20.5°F) to -10.4°C (13.3°F). Weather in January »Weather in February
The frigid winter continues into February with similar conditions as January. Snow fills the air, layering the grounds of Joensuu and embracing the city with its winter charm. The temperatures see a slight upturn with lows of -10.1°C (13.8°F) and highs of -5.1°C (22.8°F). Weather in February »Weather in March
March signifies the start of a meteorological transition in Joensuu. There is a noticeable climb in temperature; however, the mean values still hover in the negative. The snowfall remains consistent, but the days are now longer with increasing daylight hours. Weather in March »Weather in April
April brings a breath of freshness, with the ever slight warmth cutting through the past wintered months. The average temperature rises above freezing for the first time since the onset of winter, fluctuating from -1.6°C (29.1°F) to 4.1°C (39.4°F). Weather in April »Weather in May
May is a time of renewal in Joensuu, as winter finally surrenders to spring. A radiant sun takes over the sky, leading to a considerable increase in temperature. The warmth breathes life into the city, coaxing flowers to bloom and trees to flourish. Weather in May »Weather in June
Come June, Joensuu basks under the summer sun. Humidity wanes, and sun-baked days replace the chilling breeze of the previous months. The city now enjoys the lengthiest daylight and sunshine hours, with temperatures pushing to a gratifying 17.4°C (63.3°F). Weather in June »Weather in July
July is the heart of summer in Joensuu, with comfortable temperatures and plenty of sunshine. The landscape is awash with a lush green, and the city is at its busiest with summer events and activities taking center stage. A heightened UV index of 5 prompts the need for protective measures during midday sun. Weather in July »Weather in August
As August rolls in, Joensuu still clings onto the summer vibe. A mild decline in temperature is noticed, though the weather remains warm and mostly sunny. Displaying the highest rainfall of the year at 57mm (2.24"), intermittent showers bring a delightful change. Weather in August »Weather in September
September signals the onset of autumn in Joensuu. Trees begin to shed their leaves, adding a spectrum of colours to the cityscape, despite a marginal dip in temperatures. Conditions remain comfortable, with the daylight hours reducing further. Weather in September »Weather in October
October witnesses a transformation in Joensuu's weather. Temperatures plunge, declaring the onset of a fresh yet frosty season. Fall foliage paints the city in hues of yellow, orange, and red, creating a visually delightful contrast against the ever-shortening daylight hours. Weather in October »Weather in November
November is when the first signs of the approaching winter are felt in Joensuu. As the colder air takes hold, temperatures descend, with averages ranging between -1.5°C (29.3°F) to 1.2°C (34.2°F). Wintry days begin to form, with snowfall bringing a frosty overtone to the cityscape. Weather in November »Weather in December
December ushers in the heart of winter in Joensuu. Festive lights adorn the snow-clad city, creating a magical scape against the early falling darkness. Despite an increase in snowfall up to 202mm (7.95"), the city maintains its charm as locals and tourists alike partake in winter festivities. 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
Joensuu's temperature records reveal January as the coldest month, marked by average highs of -6.4°C (20.5°F) and lows of -10.4°C (13.3°F).
In Joensuu, during the entire year, the rain falls for 127.5 days and collects up to 461mm (18.15") of precipitation.
January through June, September through December are months with snowfall in Joensuu, Finland.
Throughout the year, in Joensuu, Finland, there are 120.8 snowfall days, and 1101mm (43.35") of snow is accumulated.
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.
February is the most humid month, with an average relative humidity of 96%.
The months with the most snowfall are March and December, with an average 202mm (7.95") of accumulated snow.
April is the month with the least rainfall. Rain falls for 11.2 days and accumulates 26mm (1.02") of precipitation.
May and June, with an average relative humidity of 68%, are the least humid months.
With an average of 19h and 54min of daylight, June has the longest days of the year in Joensuu, Finland.
With an average of 12h of sunshine, June has the most sunshine of the year in Joensuu.
Temperature readings reach their annual highs in July, averaging 21.2°C (70.2°F) and a minimum average of 12.5°C (54.5°F).
The month with the most rainfall in Joensuu is July, when the rain falls for 17.3 days and typically aggregates up to 66mm (2.6") of precipitation.
July and August are months without snowfall in Joensuu, Finland.
The month with the highest UV index in Joensuu is July, with an average maximum UV index of 5.
On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Joensuu, 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 is December, with an average of 5h and 6min of daylight.
The month with the least sunshine in Joensuu is December, with an average of 0.7h of sunshine.
Average temperature
Joensuu, Finland
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-6.4°C).
The month with the highest average low temperature is July (12.5°C).
The coldest month (with the lowest average low temperature) is January (-10.4°C).
Average pressure
Joensuu, Finland
- Average pressure in January:
1011.9mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1010.2mbar - Average pressure in April:
1012.6mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1011.4mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1012.9mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1012.4mbar - Average pressure in December:
1008.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed
Joensuu, Finland
- Average wind speed in January:
12.3km/h - Average wind speed in February:
12.2km/h - Average wind speed in March:
12.1km/h - Average wind speed in April:
10.9km/h - Average wind speed in May:
11.3km/h - Average wind speed in June:
11.2km/h
- Average wind speed in July:
10.2km/h - Average wind speed in August:
10.6km/h - Average wind speed in September:
11.8km/h - Average wind speed in October:
13km/h - Average wind speed in November:
13.8km/h - Average wind speed in December:
13.8km/h
The windiest months (with the highest average wind speed) are November and December (13.8km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).
Average humidity
Joensuu, Finland
The month with the highest relative humidity is February (96%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall
Joensuu, Finland
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days
Joensuu, Finland
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2 days - Average rainfall days in March:
4.7 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
16.7 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.9 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
10.5 days - Average rainfall days in December:
4.4 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (2 days).
Average snowfall
Joensuu, Finland
- Average snowfall in January:
181mm - Average snowfall in February:
182mm - Average snowfall in March:
202mm - Average snowfall in April:
97mm - Average snowfall in May:
39mm - Average snowfall in June:
4mm
The months with the highest snowfall are March and December (202mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days
Joensuu, Finland
- Average snowfall days in January:
22.2 days - Average snowfall days in February:
21.4 days - Average snowfall days in March:
21.6 days - Average snowfall days in April:
10.4 days - Average snowfall days in May:
2.3 days - Average snowfall days in June:
0.3 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.6 days - Average snowfall days in October:
6 days - Average snowfall days in November:
13.7 days - Average snowfall days in December:
22.3 days
The month with the highest number of snowfall days is December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Joensuu, Finland
- Average daylight in January:
6h and 6min - Average daylight in February:
8h and 48min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 54min - Average daylight in May:
17h and 54min - Average daylight in June:
19h and 54min
- Average daylight in July:
18h and 54min - Average daylight in August:
16h and 0min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 54min - Average daylight in November:
7h and 0min - Average daylight in December:
5h and 6min
The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).
- Average sunshine in January:
1h and 18min - Average sunshine in February:
1h and 42min - Average sunshine in March:
2h and 48min - Average sunshine in April:
4h and 42min - Average sunshine in May:
9h and 48min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
9h and 0min - Average sunshine in September:
6h and 18min - Average sunshine in October:
3h and 12min - Average sunshine in November:
2h and 0min - Average sunshine in December:
0h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days
Joensuu, Finland
- Average sunshine days in January:
9.6 days - Average sunshine days in February:
7.7 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
10.2 days - Average sunshine days in May:
15 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
10.4 days - Average sunshine days in October:
13 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
8.6 days
The month with the most sunshine days is May (15 days).
The month with the least sunshine days is February (7.7 days).
Average UV index
Joensuu, Finland
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Joensuu, Finland
The month with the most cloud cover is February (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility
Joensuu, 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).
