The highest day temperature in January 2025 was 45°F. The lowest night temperature was 21°F. The average values for day and night temperatures during January were 35.4°F и 34.1°F respectivly.

The average sea surface temperature in January 2025 for Riga was 34.6°F. The maximum and minimum values were 31.6°F and 36.4°F respectively.

Most of the days in January are gloomy but you can also expect sunny days.

Precipitation total in January for Riga is 1.6 in.

The average wind speed in January is 10.8 mph. It makes January one of the most windy months of the year for Riga.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Riga in January is 1.8 hours.