Climate Insights for Sillamäe
Ida-Viru County, Estonia
Climate Overview
The climate in Sillamäe is cool. The average annual temperature is 7°C and approximately 918 mm of precipitation falls per year. Sillamäe receives a notable amount of rainfall throughout the year, including during its driest month. Sillamäe is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to -4°C. Snowfall occurs from January to December, with around 178cm accumulating over the season.The climate in Sillamäe is cool. The average annual temperature is 45°F and approximately 36.1 in of precipitation falls per year. Sillamäe receives a notable amount of rainfall throughout the year, including during its driest month. Sillamäe is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, March, when temperatures can drop to 25°F. Snowfall occurs from January to December, with around 70in accumulating over the season.
Temperature
Temperatures in Sillamäe vary considerably across the year, with a 24°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 20°C with a mean of 18°C. The coldest month is February, when overnight lows fall to -4°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.Temperatures in Sillamäe vary considerably across the year, with a 43°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 68°F with a mean of 65°F. The coldest month is February, when overnight lows fall to 25°F and the daily average is 27°F. Daily temperature variation is modest, with an average difference of 5°F between highs and lows. The sharpest temperature change occurs between May and June, with a 11°F shift in average temperatures.
Precipitation
Sillamäe is a moderately rainy area, receiving approximately 918 mm of precipitation annually, which averages out to around 76 mm per month. The wettest month is October, averaging 122 mm of rainfall. August and November also tend to see above-average precipitation. The driest month is May, with just 47 mm. That's 74 mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 178cm accumulating over the season. January typically sees the most snow at around 47cm.Sillamäe is a moderately rainy area, receiving approximately 36.1 in of precipitation annually, which averages out to around 3 in per month. The wettest month is October, averaging 4.8 in of rainfall. August and November also tend to see above-average precipitation. The driest month is May, with just 1.9 in. That's 2.9 in less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 70in accumulating over the season. January typically sees the most snow at around 19in.
Wind
Sillamäe is mildly breezy, with an average annual wind speed of 19km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 22km/h in winter, 17km/h in spring, 16km/h in summer, 22km/h in autumn.Sillamäe is very windy, with an average annual wind speed of 12mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is December, averaging 14mph, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 9mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5mph gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 14mph in winter, 11mph in spring, 10mph in summer, 14mph in autumn.
Best Time to Visit
The best time to visit Sillamäe is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 77 mm per month. By contrast, February can be quite cold with temperatures dropping to -4°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Sillamäe is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 63°F with modest rainfall averaging 3 in per month. By contrast, February can be quite cold with temperatures dropping to 25°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.
Monthly Climate Data
The table below shows monthly climate averages for Sillamäe based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Sillamäe based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.