Riga weather in December 2025

Expect daytime maximum temperatures of 0°C in Riga, Latvia in December based on long-term weather averages. There is 1 hour of sunshine per day on average with 20 days with some rainfall and typically 49 mm of rainfall in the month, which might fall as snow.

  • 0°C maximum daytime temperature in December in Riga0
    0°C max day temperature
  • 1 hour of sunshine per day
  • 20 days with some rainfall in December in Riga20
    20 days with some rainfall
  • -5°C minimum night-time temperature in December in Riga-5
    -5°C min night temperature
  • 7 hours of daylight per day in December in Riga7
    7 hours of daylight per day
  • No heat & humidity in December in Riga0
    No heat & humidity
  • 49 mm monthly rainfall in December in Riga49
    49 mm of monthly rainfall
  • No UV (maximum) index in December in Riga0
    No UV (Maximum) Index UV index
  • 1°C sea temperature in December in Riga1
    1°C sea temperature

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The December weather guide for Latvia (Riga) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How cold is it in Riga in December?

Daytime temperatures usually reach 0°C in Riga in December, falling to -5°C at night.

How sunny is it in Riga in December?

There are normally 1 hour of bright sunshine each day in Riga in December - that's 12% of daylight hours.

Is the sea cold around Riga in December?

The average sea temperature around Riga in December is 1°C.

Does it rain in Riga in December?

There are usually 20 days with some rain in Riga in December and the average monthly rainfall is 49mm. Rain may fall as snow in this month.

Riga December sunrise & sunset times

Browse the sunrise and sunset times for Riga in December 2025. Select a month to view Riga sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 08:37 15:49
Tuesday, 16th December 2025 08:57 15:42
Wednesday, 31st December 2025 09:01 15:52

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