The highest day temperature in October 2025 was 61°F. The lowest night temperature was 33°F. The average values for day and night temperatures during October were 50.2°F и 43.8°F respectivly.

The average sea surface temperature in October 2025 for Riga was 53.0°F. The maximum and minimum values were 49.6°F and 59.0°F respectively.

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

Precipitation total in October for Riga is 1.8 in.

The average wind speed in October is 10.3 mph. It makes October 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 October is 4.4 hours.