Climate averages 1991–2020

Riga weather
in October.

A cool, moderately wet month: the 7th warmest and the wettest of the year.

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

Average high 10.0°C Daytime mean, October
Average low 5.3°C Night-time mean, October
Rainfall 80 mm 14 days with ≥1 mm
Daylight 10 h Sunrise to sunset, per day
Every month in Riga · average highYear overview

October is a cool month in Riga: daytime highs average 10.0°C and nights cool to about 5.3°C. By daytime temperature it is the 7th warmest of the 12 months.

Expect about 80 mm of rain on roughly 14 days, which makes October a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 26 min on an average October day.

The nearest other city in this atlas is Šiauliai (123 km away). In October its highs average 9.8°C, about as warm as Riga, with 53 mm of rain.

Among the 2 cities listed in Latvia, Riga ranks 1st of 2 for the warmest October highs and 2nd of 2 for the driest October (rainfall, lowest first). The mean October high of those 2 cities is 9.6°C; Riga is 0.4°C warmer than that mean.

From October to November, average highs fall by 5.6°C to 4.4°C, and monthly rainfall falls from 80 mm to 59 mm.

The annual picture

October 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 -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, selected 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

October 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.