Rīga Weather in December
During December, Rīga experiences low daytime temperatures of 3°C (37°F) and cooler nights around -2°C (28°F). As part of the winter season, some snow/rainfall is to be expected.
Rainfall in Rīga in December
This month experiences about 20 days of snow/rain according to historical data, averaging 57 mm (2.2 in). This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Rīga in December
In December, expect low temperatures in Rīga, with highs of 3°C (37°F) and lows of -2°C (28°F) at night. December is part of winter. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. At -2°C (28°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. This month is extremely cold, so be sure to dress in layers to keep warm. Proper preparation can help you stay comfortable.
Sunshine in Rīga in December
The month has fewer sunny days, with around 24 hours of sunshine.
Wind Speed in Rīga in December
Average wind conditions reach 5 m/s (10 knots) in December. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.
Average water temperature in December
The water sits at 4°C (39°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Rīga.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Latvia, check out our Rīga's climate page.
Rīga Temperature in December
Min Temperature
-2°C (28°F)
Max Temperature
3°C (37°F)
Water Temperature
4°C (39°F)
Chance of Rain
66%
Precipitation
57 mm (2.2 in)
Rainy days
20 days
Humidity
89%
Windspeed
5 m/s (10 knots)
Sunshine
24 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rīga typically stay consistent throughout December, with daily highs averaging around 3°C (37°F). Nights are very cold, with lows typically ranging from -4°C (25°F) to -1°C (30°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 Rīga in December
Browse day-by-day weather records for Rīga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rīga historical weather extremes in December
Our historical data for Rīga spans 1976 to 2025, revealing these weather extremes.
- The hottest December day on record in Rīga reached 12°C (54°F) (December 6, 2006).
Best Places in Latvia in December
Find out more about the weather in Latvia and which places have the best travel conditions in this month. See all of Latvia in December →
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tolerable
unpleasant
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What to Wear in Rīga in December
Dress warmly and in layers for your trip to Rīga in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 4°C (39°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Rīga 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 Latvia, check out our Rīga's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Rīga climate overview or explore weather in Latvia.
