Mild
Average highs are around 21°C, so days are mild rather than hot.
Weather Guide
Riga, Latvia Average Monthly Weather
Weather score30Poor annual avg
Best months: July, June, August
Across the year, average daytime temperatures are around 10°C, sunshine averages 4.7h per day, and rainfall totals about 639mm. Sea temperatures average 9°C across the year.
Annual weather
Annual averages
Temp
10°C
Rain
639mm
Annual total
Sun
4.7h
Sea
9°C
Weather score
30
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Riga, Latvia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August21°C average high
August is one of Riga's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
August76mm average rain
August is one of Riga's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to May and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.4 hours average sun
August is brighter than Riga's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August19°C average sea
August is one of Riga's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
August48 weather score
August is one of Riga's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
