Sillamäe Weather & Climate: Best Time to Visit

The climate in Sillamäe is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°F) in July to a very cold -1°C (30°F) in the coolest month, February.

Nights vary from 15°C (59°F) in July to around -7°C (19°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Sillamäe receives mid-range precipitation levels, with 836 mm (33 in) annually. The climate in Sillamäe shows significant variation throughout the year. Expect moderate rainfall in October, the wettest month, with an average of 97 mm (3.8 in) of precipitation over 17 rainy days.

In contrast, the driest month March offers drier and sunnier days, with around 44 mm (1.7 in) of snow/rainfall over 13 snowy/rainy days. For more details, please visit our Sillamäe Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

For those who appreciate different seasons, Sillamäe serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.6 hours of sunshine daily, and embrace the darker days in December, offering only 0.5 hours of daily sunlight.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Sillamäe.

The city experiences its highest humidity in November, reaching 87%. In May, the humidity drops to its lowest level at 67%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year