December weather forecast
Haapsalu, Estonia

December brings in the chill of winter once more in Haapsalu. The average high temperature reaches only 0°C (32°F), making it one of the coldest months. Snowflakes adorn the city, turning Haapsalu into a winter haven. The reduction in daylight hours triggers longer nights, enticing the stars to shine brightly against the cold, clear, winter sky. December carries a festive spirit with winter’s return, classifying it an enchanting month.

Temperature

The onset of December is marked by a minor decrease in temperature, transitioning from 4°C (39.2°F) in November to a still wintry 0°C (32°F). Recording a slight decline in temperature during the nights, Haapsalu's December temperatures average at a subzero cold -4°C (24.8°F).

Rainfall

In Haapsalu, during December, the rain falls for 20 days and regularly aggregates up to 50mm (1.97") of precipitation. In Haapsalu, during the entire year, the rain falls for 176 days and collects up to 573mm (22.56") of precipitation.

Sea temperature

In Haapsalu, the average seawater temperature in December is 4°C (39.2°F).
Note: In swimming situations, this is a grave threat to life. The intense coldness of the water triggers extreme discomfort and rapid hyperventilation. A specialized swimsuit is required to mitigate thermal damage.

Daylight

December has the shortest days of the year, with an average of 6h and 18min of daylight.
On the first day of December, sunrise is at 08:53 and sunset at 15:36. On the last day of the month, sunrise is at 09:18 and sunset at 15:39 EET.

Sunshine

The months with the least sunshine in Haapsalu are January, November and December, with an average of 1h of sunshine.

UV index

January, November and December, with an average maximum UV index of 0, are months with the lowest UV index in Haapsalu. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 0 in December leads to these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.