Climate and monthly weather forecastSillamäe, Estonia
Climate and monthly weather forecast
The climate of Sillamäe
Sillamäe, a city located in northern Estonia, experiences a humid continental climate with warm summers and no dry season according to the Köppen climate classification. This locale situates in the Dfb predominant climate zone. Over the course of a year, the climate displays substantial variations across different weather parameters.In terms of temperature, the city's weather spectrum ranges from extremes of -6°C (21.2°F), in the months of winter, to as high as 20.4°C (68.7°F) in the peak of summer. Recordings from monthly averages depict that the city’s lowest temperatures occur from December to February, while the highest temperatures occur from July and August. Humidity fluctuates relatively less than temperature with 73% on the lower side during May and June, and peaking at 92% during February.
Regarding rainfall, Sillamäe receives considerable amounts year-round. The wettest month on record is August with 65mm (2.56") of rainfall on average, while the driest months include from December extending to March, with January having a slightly lower number of rainfall days. Despite this, snowfall is prevalent with a peak in January and minimized to a negligible amount from May to September.
The best time to visit Sillamäe
Consistent with the above climatic conditions and weather patterns, the most suitable time to visit Sillamäe is from May to August. During this period, temperatures hover between 12.8°C (55°F) and 20.4°C (68.7°F), offering a warm and relatively comfortable climate perfect for sightseeing and outdoor activities. They are further complemented by long daylight hours, ranging from 17 to 18.5 hours, which maximize the time available for visitors to explore the city extensively.The worst time to visit Sillamäe
The most challenging period to visit Sillamäe is during winter, from December to March. The city is afflicted with frigid temperatures that can drop as low as -6°C (21.2°F). Adding to the challenge are hefty snowfalls, reaching a substantial 164mm (6.46") in January, leading to potential travel disruptions. As if all these were not deterring enough, the city offers the least amount of daylight (around 6 to 7 hours) during this time of the year.Spring weather in Sillamäe
Spring in Sillamäe, occurring from March to May, is marked by rising temperatures and relatively lower precipitation levels. From an average low of -3.5°C (25.7°F) in March, the city warms up to a pleasant 12.8°C (55°F) by May. Rainfall during this time ranges between 29mm (1.14") and 34mm (1.34"). The quiet spring season provides suitable conditions for the city's flora to bloom, presenting a pleasant view for visitors.Summer weather in Sillamäe
Summers in Sillamäe are warm and relatively humid, extending from June up through to August. Temperatures during this season elevate from 17.2°C (63°F) in June to a peak of 20.4°C (68.7°F) in July, before tempering down to 19.7°C (67.5°F) in August. Despite being the warmest time of the year, the city is met with the highest rainfall, reaching up to 65mm (2.56") in August. This, combined with long daylight hours, supports a flourishing green landscape.Autumn weather in Sillamäe
September to November marks the fall season in Sillamäe. This period is characterized by falling temperatures, starting from 15.2°C (59.4°F) in September and sliding down to 4.3°C (39.7°F) by November. Rainfall also exhibits a declining trend during this period, recording 54mm (2.13") in October and falling to 35mm (1.38") by November. As days shorten, autumn paints the city in warm hues, making it quite a picturesque time for a visit.Winter weather in Sillamäe
Winter in Sillamäe is challenging, lasting from December until February. This period reports the lowest temperatures, with readings plunging to negative numbers. December commences the biting cold season, having temperatures nosedive from a high of 0.1°C (32.2°F) to a low of -2.5°C (27.5°F) critically in February. The city also grapples with prolonged periods of snowfall, experiencing the highest snowfall of 164mm (6.46") in January. These conditions promote a white winter that can be challenging but equally enthralling to witness.Weather in January
Sillamäe, Estonia sees the start of the year under the cover of heavy snowfall. The winter season peaks in January, bringing the deepest freeze of all the months. The average low temperature settles at a significant -6°C (21.2°F). Weather in January »Weather in February
The continuation of the winter spell in Sillamäe, Estonia extends into February, albeit with slightly less intensity. As the city rides out the midwinter season, the temperatures show a slight rise, both in daytime highs and nightly lows. Weather in February »Weather in March
March in Sillamäe, Estonia marks the beginning of the spring season. As the snow recedes and visibility increases, daylight steadily takes over the predominantly dark winter days. The thawing of the sea continues, with occasional rainfall taking the place of snow. Weather in March »Weather in April
The onset of the spring season in April lightens the overall mood of Sillamäe, Estonia. The vernal landscape presents itself in full bloom, with spring skies heralding the return of the sun's warmth. A considerable rise in real temperatures is observed, with average high temperatures surging from 0.4°C (32.7°F) in March to 6°C (42.8°F) in April. Weather in April »Weather in May
In May, Sillamäe, Estonia welcomes a mild climate, paving the way for summer. This shift is evident in the significantly increased daylight hours, the temperate sea, and the reduced snowfall. A notable uptick is observed in rainfall, moving from 29mm (1.14") in April to 34mm (1.34") in May. Weather in May »Weather in June
June signifies the onset of the summer season in Sillamäe, Estonia. The daylight hours reach their highest point, offering abundant sunshine, perfect for venturing outdoors. The dramatic rise in the average sea temperature, from 7.3°C (45.1°F) in May to 15°C (59°F) in June, invites residents and tourists alike to indulge in water activities. Weather in June »Weather in July
Mid-summer in July introduces Sillamäe, Estonia to its warmest temperature of the year. The city vibes with warmth and lively outdoor activities become the norm. The longest days of the year are experienced this month, drenching the city in ample sunshine. Weather in July »Weather in August
August in Sillamäe, Estonia is characterized by the gradual waning of summer's warmth and the hint of an incoming autumn. Temperatures begin a slow decline compared to the peak in July. The characteristic summer heat is subtly replaced by a gentle breeze, indicating the changing of season. Weather in August »Weather in September
September in Sillamäe, Estonia, sees the beginning of the autumn season. The temperatures begin their downward journey as daylight hours decrease steadily. The prolific greenery from the summer season gives way to the autumn aesthetic of warm colors. Weather in September »Weather in October
October in Sillamäe, Estonia marks the full throttle of the autumn season. Trees are shrouded in a warm palette of reds, oranges, and yellows. The temperature starts to take a substantial dip, ushering in an atmospheric specter of cooler days and chilly nights. Weather in October »Weather in November
November in Sillamäe, Estonia is characterized by the transitional phase from autumn to winter. The city maintains its charm while adapting to the slow emergence of misty mornings, chilly days, and colder nights. The decreased daylight hours and increased cloud cover set a prelude to winter's impending arrival. Weather in November »Weather in December
Finally, Sillamäe, Estonia enters the peak cold season with December. The city becomes a winter wonderland, shining under an elegant blanket of snow. Shorter days and longer nights become a characteristic feature of the months. Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sillamäe, Estonia
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.8°C).
The month with the highest average low temperature is July (14.8°C).
The coldest months (with the lowest average low temperature) are January and February (-6°C).
Average pressure
Sillamäe, Estonia
- Average pressure in January:
1012.7mbar - Average pressure in February:
1013.5mbar - Average pressure in March:
1011.8mbar - Average pressure in April:
1013.8mbar - Average pressure in May:
1015.1mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1011.3mbar - Average pressure in August:
1013.9mbar - Average pressure in September:
1014.1mbar - Average pressure in October:
1014.9mbar - Average pressure in November:
1013.4mbar - Average pressure in December:
1010mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed
Sillamäe, Estonia
- Average wind speed in January:
18.2km/h - Average wind speed in February:
16.9km/h - Average wind speed in March:
16.5km/h - Average wind speed in April:
14.6km/h - Average wind speed in May:
13.4km/h - Average wind speed in June:
14.6km/h
- Average wind speed in July:
14km/h - Average wind speed in August:
14.9km/h - Average wind speed in September:
17.4km/h - Average wind speed in October:
19.1km/h - Average wind speed in November:
20km/h - Average wind speed in December:
20.8km/h
The windiest month (with the highest average wind speed) is December (20.8km/h).
The calmest month (with the lowest average wind speed) is May (13.4km/h).
Average humidity
Sillamäe, Estonia
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (73%).
Average rainfall
Sillamäe, Estonia
The wettest month (with the highest rainfall) is August (65mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days
Sillamäe, Estonia
- Average rainfall days in January:
6.3 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
11.7 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
17.2 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
12.6 days - Average rainfall days in December:
9.1 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (4.8 days).
Average snowfall
Sillamäe, Estonia
The month with the highest snowfall is January (164mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Sillamäe, Estonia
- Average snowfall days in January:
19.3 days - Average snowfall days in February:
18.5 days - Average snowfall days in March:
16.9 days - Average snowfall days in April:
6.3 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 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
6.7 days - Average snowfall days in December:
18.7 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Sillamäe, Estonia
The best month for swimming (with the highest average sea temperature) is July (19.9°C).
The coldest month (with the lowest average sea temperature) is February (-0.6°C).
Average daylight / Average sunshine
Sillamäe, Estonia
- Average daylight in January:
7h and 0min - Average daylight in February:
9h and 12min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 30min - Average daylight in May:
17h and 0min - Average daylight in June:
18h and 30min
- Average daylight in July:
17h and 48min - Average daylight in August:
15h and 30min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 12min - Average daylight in November:
7h and 42min - Average daylight in December:
6h and 12min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in January:
1h and 54min - Average sunshine in February:
2h and 24min - Average sunshine in March:
4h and 6min - Average sunshine in April:
7h and 12min - Average sunshine in May:
9h and 42min - Average sunshine in June:
12h and 18min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
9h and 54min - Average sunshine in September:
7h and 12min - Average sunshine in October:
3h and 24min - Average sunshine in November:
2h and 36min - Average sunshine in December:
1h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days
Sillamäe, Estonia
- Average sunshine days in January:
7.1 days - Average sunshine days in February:
8.1 days - Average sunshine days in March:
9 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
16 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
11.4 days - Average sunshine days in September:
9.8 days - Average sunshine days in October:
9.1 days - Average sunshine days in November:
9 days - Average sunshine days in December:
4.6 days
The month with the most sunshine days is May (16 days).
The month with the least sunshine days is December (4.6 days).
Average UV index
Sillamäe, Estonia
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
Sillamäe, Estonia
The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Sillamäe, Estonia
The months with the highest visibility are June, July, August and September (10km).
The month with the lowest visibility is February (7km).





