Kassari Weather in December
December in Kassari brings low temperatures, with highs of 4°C (39°F) and nights dropping to -1°C (30°F). Expect some snow/rainfall, with around 55 mm (2.2 in) typical for the month.
Rainfall in Kassari in December
Snow/rain is expected on roughly 19 days, totalling around 55 mm (2.2 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Kassari in December
Expect highs of 4°C (39°F) in Kassari in December, with nights dropping to around -1°C (30°F). December is part of winter. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. Prepare for low temperatures this month by wearing plenty of layers. It's essential to stay warm in such cold conditions.
Sunshine in Kassari in December
The area sees fewer sunny days, with a projection of about 21 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.December in Kassari has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Kassari's climate page.
Kassari Temperature in December
Min Temperature
-1°C (30°F)
Max Temperature
4°C (39°F)
Chance of Rain
63%
Precipitation
55 mm (2.2 in)
Rainy days
19 days
Humidity
87% *
Sunshine
21 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kassari typically stay consistent throughout December, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows typically ranging from -3°C (27°F) to 0°C (32°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Kassari in December
Browse day-by-day weather records for Kassari spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kassari historical weather extremes in December
The extremes listed below come from historical weather data collected in Kassari from 1987 through 2025.
- The hottest December day on record in Kassari reached 10°C (50°F) (December 14, 2006).
- On December 6, 2021, Kassari saw its coldest December day with temperatures maxing out at -11°C (12°F).
- Nighttime temperatures dropped to -18°C (0°F) on December 23, 2001, marking the coldest December night on record.
Best Places in Estonia in December
Find out more about the weather in Estonia and which places have the best travel conditions in this month. See all of Estonia in December →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Kassari in December
Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. With limited sunshine expected, sunglasses aren't a priority for packing.What To Do in Kassari in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Kassari's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kassari climate overview or explore weather in Estonia.
