The climate of Iisaku
In alignment with the Köppen climate classification,
Iisaku has a humid continental climate, denoted as Dfb. Occupying a geographical position in
Estonia, Iisaku experiences no dry season and has warm summers, presenting a variety of weather patterns throughout the year.
The year in Iisaku is characterized by fluctuating temperature conditions. During winter, the town witnesses cold temperatures dropping from minus 6°C (42.8°F) in
December to minus 2.8°C (37°F) in
February, whereas in the summer,
July brings the warmest conditions with a high temperature average of 20.4°C (68.7°F). The climatological data also depicts fluctuating humidity levels during the year, peaking at 92% in February and July. Annual rainfall averages span from 29mm (1.14") in
April to 65mm (2.56") in
August, with varied rainfall days ranging from 4.8 days in February to 17.8 days in August. Interestingly, the town receives 0mm (0") of snowfall from
June to
September followed by a significant increase to 138mm (5.43") in December.
The best time to visit Iisaku
Based on the climate data, it is clear that the most favorable time to visit
Iisaku is in summer (from
June to
August) when the weather is warmest and the daylight is longest, with an average of 17 hours daily. The average temperature during these months ranges from 17.2°C (63°F) to 20.4°C (68.7°F), making it perfect for outdoor activities such as sightseeing and hiking. Additionally, average humidity levels are around 73%-75%, providing a comfortable atmosphere for tourists.
The worst time to visit Iisaku
Winter months in
Iisaku, from
December to
February, experience the coldest weather making it less preferable for visitors. The temperature during these months drops as low as minus 6°C (42.8°F). Visibility is also reduced to about 8km (5mi) and daylight is least, with an average of 7.1 hours in December to 9.3 hours in February. It should be noted that the traveling conditions can be challenging due to the frequent snowfall of up to 164mm (6.46") in December.
Spring weather in Iisaku
Spring in
Iisaku occurs from
March to
May. Starting from a low temperature of minus 2.5°C (36.5°F) in March, spring sees a continual rise to a pleasant 12.8°C (55°F) in May. Concurrently, daylight progressively lengthens from 11.9 hours in March to 17 hours in May. While the rainfall averages increase from 32mm (1.26") in March to 34mm (1.34") in May, the number of snowfall days drops considerably during this period.
Summer weather in Iisaku
Summers in
Iisaku are mild to warm, with temperatures from 17.2°C (63°F) in
June to the yearly high of 20.4°C (68.7°F) in
July. Days in June and July are longest, whereas
August experiences a slight reduction in daylight hours. Precipitation is at its highest during the summer, with peak rainfall of 65mm (2.56") along with an average of 17.8 rainy days recorded in August.
Autumn weather in Iisaku
Officiating in
September, autumn enjoins mild to cold weather conditions. September observes a temperature of 15.2°C (59.4°F) which cools down to 4.3°C (39.7°F) by
November. Rainfall is frequent in Autumn with the monthly averages ranging from 43mm (1.69") in September to 35mm (1.38") in November. Additionally, the wind speed increases to its yearly peak of 20.8km/h (12.9mph) in November.
Winter weather in Iisaku
Iisaku winters begin in
December and continue through to
February. During this season, the town goes through the lowest temperatures of the year, falling to minus 6°C (42.8°F) in December and
January. The winter period also brings ample snowfall with the peak snowfall of 164mm (6.46") in December. The wind speed continues to remain high across the winter period, making the already cold conditions feel even chillier.
Weather in January
January is a severe winter month in
Iisaku,
Estonia. Snowfall is a common sight with 164mm (6.46") of snow expected to blanket the ground. This month is characterized by short daylight hours and frigid temperatures. As January transits to
February, anticipate the thick snow, cold temperatures, and high humidity to persist. Temperature records in Iisaku, Estonia, mark January as the coldest month, with highs averaging -2.8°C (27°F) and lows at -6°C (21.2°F).
Weather in January » Weather in February
February's weather mirrors
January's conditions closely, although slightly less severe. The snowfall reduces slightly to 158mm (6.22") and temperatures show a marginal increase. The transition from February to
March heralds the end of intense winter sporadic snow showers may still occur but expect an overall easing of the cold conditions. February's arrival in
Iisaku registers an average high-temperature of a still freezing cold -2.5°C (27.5°F), closely aligning with the temperature of the previous month.
Weather in February » Weather in March
With the onset of
March, the weather in
Iisaku starts to moderate, signaling the commencement of spring. The significant reduction in snowfall to 135mm (5.31") is evidence of the marked shift from the harsh winter months. One can find a noticeable diffference between March and
April, with temperatures starting to climb, though rainfall also sees a slight increase. The average high-temperature during March registers at a wintry 0.4°C (32.7°F), maintaining a close resemblance to the previous month.
Weather in March »
Weather in April
April holds the promise of warmer weather and greater sunshine hours. Distinct from
March, April witnesses with the snow completely replaced by rain, albeit in moderate amounts. As April gives way to
May, the weather turns significantly warmer, and the days longer and brighter. The shift from March to April in
Iisaku sees an increase in the average high-temperature, transitioning from a wintry 0.4°C (32.7°F) to a chilly 6°C (42.8°F).
Weather in April » Weather in May
May brings spring fully into view. A stark difference is evident between May and
April, primarily due to May's substantial increase in daylight hours and sunshine. Residents can look forward to strikingly warmer temperatures as the month progresses into
June. In
Iisaku, the onset of May comes with an increased average high-temperature, moving from April's chilly 6°C (42.8°F) to a fresh 12.8°C (55°F).
Weather in May » Weather in June
June's arrival brings forth a significant change to the weather. There is a high contrast from
May to June with increased temperatures, longer daylight hours, and heightened UV index. The journey from June to
July endures consistent weather conditions with warmth and extended sunshine hours dominating the landscape. As
Iisaku welcomes June, the average high-temperature displays a subtle shift, adjusting from a cool 12.8°C (55°F) in May to a comfortable 17.2°C (63°F).
Weather in June »
Weather in July
July stands as one of the two warmest months of the year with top temperature peaking at 20.4°C (68.7°F). The onset of summer is fully apparent, and in sharp contrast to
June's transitional weather. The transition from July to
August continues warm temperatures, but with a slightly higher incidence of rainfall.
Iisaku's July weather, marked by an average high temperature of 20.4°C (68.7°F) and an average low temperature of 14.8°C (58.6°F), is the warmest in the year.
Weather in July » Weather in August
As the summer season progresses,
August carries over the warmth from
July, despite a slight dip in temperature. However, the contrast between August and July is minimal, with both months sharing a high average UV index. Moving from August into
September, expect cooler weather, reduced daylight hours, and a rise in precipitation levels.
Iisaku experiences a recorded average high-temperature of a comfortable 19.7°C (67.5°F) in August, closely aligned with July's 20.4°C (68.7°F).
Weather in August »Weather in September
September denotes the beginning of the transition from summer to autumn in
Iisaku. Despite lower temperatures compared to
August, September remains quite warm. As September crosses into
October, weather conditions shift towards more autumnal characteristics. Iisaku in September experiences a gentle temperature dip, with average high-temperatures reducing from a comfortable 19.7°C (67.5°F) in August to a mild 15.2°C (59.4°F).
Weather in September »
Weather in October
October marks a distinct departure from the warmth of
September. This is a month in which autumnal weather firmly takes control. The period from October to
November experiences a further dip in temperature with increased wind speeds becoming more apparent. With the onset of October,
Iisaku experiences a modest temperature adjustment, with the average high-temperature receding from a mild 15.2°C (59.4°F) in September to a frosty 8.4°C (47.1°F).
Weather in October » Weather in November
November brings about a further decrease in temperature drawing
Iisaku into the threshold of winter. A visible difference between November and
October is manifested in the form of shorter days and an uptick in relative humidity levels.
Weather in November » Weather in December
December ushers in the heart of winter in
Iisaku,
Estonia with striking similarities to
January's weather patterns. This month's most notable bombardment of snow, coming in at 138mm (5.43"), sets up the grounds for a white Christmas.
Weather in December » [Resources]