Weather in Riga in August 2025
Average weather
Average temperature in Riga in August
Going from a maximum of +90°F during the day to a minimum of +50°F during the night, the temperature in August averages around +73°F.
The average maximum temperature goes down 9% by the end of the month, compared with the beginning of the month, from +73°F to +70°F.
Is Riga warm or cold in August?
Riga is typically mild in August.
Maximum temperatures go down compared to the previous month from +72°F to +70°F. The minimum temperature also goes down from +57°F to +55°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is one of the warmest months in Riga, here is the comparison with other months:
Climate in Riga in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +72°F | +70°F | +61°F | ||||
| Min. temperature | ||||||
| +43°F | +41°F | +28°F | ||||
| Max. temperature | ||||||
| +91°F | +91°F | +82°F | ||||
| Rainfall | ||||||
| 83 mm | 77 mm | 58 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 75% | 77% | 81% | ||||
| Air pressure | ||||||
| 1011 HPa | 1012 HPa | 1013 HPa | ||||
| Sunny days | ||||||
| 6 | 6 | 5 | ||||
| Cloudy days | ||||||
| 5 | 5 | 8 | ||||
| Rainy days | ||||||
| 16 | 16 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting colder in August. From +72°F in the day, the average maximum temperature lowers to +70°F. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 83 mm to 77 mm. Humidity rises from 75% to 77%. The average wind speed doesn’t change much during August, staying around 2 m/s. The amount of sunny days stay about the same, averaging 6 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Riga is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Riga?
Climate Change Over the Years
The climate in Riga in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+46°F) and the highest in 2020 (+55°F). The driest year was 1996 with only 342 mm of rainfall, and the wettest year was 2023 with 1096 mm.
FAQ
Is August a good time to visit Riga?
Can you sunbathe in Riga in August?
Is Riga rainy in August?
Is it sunny in Riga in August?
Monthly weather in Riga
Source of the data
For this page, we’ve looked at the typical weather in Riga, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.