Climate averages 1991–2020

Riga weather
in January.

A freezing month with moderate precipitation: the coolest and the 4th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high -0.8°C Daytime mean, January
Average low -4.9°C Night-time mean, January
Precipitation 46 mm 11 days with ≥1 mm
Daylight 7 h Sunrise to sunset, per day
Every month in Riga · average highYear overview

January is a freezing month in Riga: daytime highs average -0.8°C and nights cool to about -4.9°C. By daytime temperature it is the coolest month of the year.

Expect about 46 mm of precipitation on roughly 11 days, which makes January a month with moderate precipitation (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 7 h 29 min on an average January day.

The nearest other city in this atlas is Šiauliai (123 km away). In January its highs average -1.2°C, about as warm as Riga, with 39 mm of precipitation.

Among the 2 cities listed in Latvia, Riga ranks 1st of 2 for the warmest January highs and 2nd of 2 for the driest January (precipitation, lowest first). The mean January high of those 2 cities is -1.5°C; Riga is 0.6°C warmer than that mean.

From January to February, average highs rise by 0.5°C to -0.4°C, and monthly precipitation falls from 46 mm to 39 mm.

The annual picture

January in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly precipitation

Average total · mm
Average monthly precipitation totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Riga climate table

1991–2020
Monthly climate averages for Riga, 1991–2020
MonthAverage highHigh / lowAverage lowPrecipitation mm/monthWet days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected -0.8°C-4.9°C-4.9°C4611.27.57 h
February -0.4°C-5.3°C-5.3°C399.99.49 h
March 3.9°C-2.7°C-2.7°C389.711.812 h
April 10.8°C2.3°C2.3°C419.214.214 h
May 16.4°C7.8°C7.8°C5210.316.516 h
June 20.0°C12.2°C12.2°C7311.317.718 h
July 22.4°C15.0°C15.0°C7011.717.217 h
August 21.6°C14.5°C14.5°C7913.015.215 h
September 16.6°C10.5°C10.5°C7011.612.913 h
October 10.0°C5.3°C5.3°C8014.210.410 h
November 4.4°C1.0°C1.0°C5912.88.28 h
December 0.8°C-2.6°C-2.6°C4912.06.97 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Riga

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Riga) is explained once on the Riga year overview and on the Sources, method and limits page.