Last updated: August 21, 2025
In August, Riga, Latvia experiences a delightful mix of summer warmth and occasional rain. With maximum temperatures reaching up to 30°C (86°F) and an average of 18°C (65°F), the month invites both locals and visitors to enjoy outdoor activities. However, the weather can be unpredictable, as evidenced by 86 mm (3.4 in) of rainfall spread over 13 days, contributing to the city's 80% humidity. This blend of warmth and moisture creates a lush environment, making August a vibrant time to explore Riga's beautiful parks and historic architecture.
In August, Riga, Latvia experiences a delightful warm-up, with temperatures making a notable leap from the chilly depths of winter. The average temperature rises to a comfortable 18°C (65°F), while daily highs can reach up to 30°C (86°F), making it one of the warmest months of the year. Evenings cool off with a mild minimum of 9°C (48°F), creating an inviting atmosphere for outdoor activities and cultural events. This summer warmth contrasts sharply with the preceding and following months, highlighting a significant seasonal shift that allows locals and visitors alike to revel in Riga's vibrant summer charm. Whether strolling through the city's historic streets or enjoying a riverside café, August presents the perfect backdrop for a delightful exploration of Latvia's capital.
In August, Riga experiences a noticeable uptick in precipitation, with an average of 86 mm (3.4 in) over 13 days of rain. This marks a slight increase from July's 84 mm, solidifying August as one of the wettest months of the year. As summer winds down, the combination of rain and humidity creates a lush landscape, while the frequency of rainy days peaks, signaling the transition into the wetter fall season. This trend culminates in September, where precipitation further escalates, reflecting Riga's climate variability and the onset of autumnal weather patterns. Overall, August serves as a crucial bridge within the yearly precipitation cycle, hinting at the changes to come.
In August, Riga, Latvia experiences a notable shift in humidity, with levels averaging around 80%. This represents a slight uptick from the consistently lower summer months of June and July, both registering at 76%. As summer gives way to autumn, humidity levels begin to rise again, reminiscent of the high humidity characteristic of the colder months, where figures peak at 93% in January and December. Observing this trend, it's clear that while August provides some relief from the oppressive moisture found in winter, it still maintains a significant level of humidity that prepares the city for the dampness that follows in September. Overall, the transitional periods in Riga showcase a balance between seasonal warmth and the inevitable return of a more humid climate.
In August, Riga, Latvia, experiences a high UV Index of 6, signaling that sun protection is essential during outdoor activities, with a burn time of just 25 minutes for unprotected skin. This slightly lower index compared to the peak summer months of June and July, when the UV Index reached 7, indicates a gradual transition towards milder autumn conditions. However, the high exposure category still necessitates caution, especially as the sun remains strong. As you enjoy the lingering summer warmth, be sure to check the daily updates on the Riga UV Index to protect yourself from harmful UV rays.
UV Risk Categories
In August, Riga basks in a generous 394 hours of sunshine, marking a delightful peak in the summer season. The trend of increasing sunlight hours begins robustly in March and reaches its zenith during the vibrant months of May and June, which enjoy over 440 hours of golden rays. Though August sees a slight decline from the sun-drenched July, it still boasts significantly more sunshine than earlier months, such as January's meager 81 hours. This pattern highlights the city's summer abundance, making August an ideal time for both locals and visitors to embrace the outdoors and experience the enchanting atmosphere of Riga under the warm sun. As the season transitions into fall, sunshine hours gradually diminish, reminding all of the ephemeral beauty of summer's end.
In August, Riga experiences a 29% chance of sunny weather, a notable dip compared to the preceding months of July and June, where sunshine likelihood peaks at 50% and 60%, respectively. This decrease is part of a generalized trend as summer draws to a close. While August still offers opportunities for bright days, it marks a shift towards the cooler and cloudier months ahead. Comparatively, earlier summer months boast a more robust chance of sunshine, underlining July as a favorite for sun-seekers. As fall approaches, residents and visitors in Riga can expect a blend of warm summer remnants and the first hints of autumn.
In August, Riga, Latvia, basks in approximately 15 hours of daylight, marking a gradual transition from the longest days of summer in June and July. This month embodies the last whispers of summer, as daylight begins to wane, inviting a shift in the seasonal rhythm. Following the peak of summer, where sun-drenched days stretched to an impressive 17 hours, August's abundant light still offers plenty of time for outdoor adventures and vibrant city life. As the days shorten, the scenery transforms into a tapestry of late summer hues, reminding residents and visitors alike that autumn is just around the corner. Thus, August serves not only as a bridge between the warmth of summer and the crispness of fall but also as a time to savor every shining moment.
In August, Riga experiences a refreshing shift in wind patterns, with an average speed of 4.8 m/s (11 mph), providing a pleasant backdrop for summer activities. While June and July present lighter breezes at 3.4 m/s and 3.9 m/s respectively, August signifies a return to more invigorating gusts, reminiscent of the spring months which hover around similar speeds. As the summer begins to wane, the winds prepare the city for the autumn season ahead, where speeds gradually increase, reaching 5.1 m/s in September. This interplay of seasonal changes highlights a rhythmic ebb and flow in Riga’s wind patterns, blending the warmth of summer with the crisp anticipation of autumn.
Weather in Riga varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Riga, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather. In August, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F). The month is characterized by higher humidity at 80% and a total precipitation of 86 mm (3.4 in) spread over 13 days. In contrast, January experiences a chilling drop in temperatures, with a minimum of -19°C (-1°F) and a maximum of 8°C (47°F), averaging around -1°C (31°F). The month brings less precipitation, totaling 48 mm (1.9 in) across 12 days, yet humidity remains high at 93%. For more details, you can check Riga weather in January.
August and February showcase contrasting weather patterns. In August, temperatures range from a mild 9°C (48°F) at night to a warm 30°C (86°F) during the day, accompanied by an average humidity of 80%. The month sees average precipitation of 86 mm (3.4 in) over 13 days, making it a relatively humid summer month. In stark contrast, February is characterized by its cold temperatures, dipping as low as -17°C (1°F) and averaging -1°C (30°F). This winter month has lower precipitation levels, totaling 39 mm (1.5 in) over 9 days, though it experiences higher humidity at 91%. For more specific details about February weather, you can check Riga weather in February.
In August, the weather is considerably warmer compared to March, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 30°C (86°F). The average temperature in August reaches 18°C (65°F), accompanied by a relatively high humidity of 80%. Rainfall is also common, with 86 mm (3.4 in) of precipitation over approximately 13 days.
Conversely, March experiences much colder temperatures, with a minimum of -18°C (0°F) and a maximum of only 12°C (54°F), leading to an average temperature of just 1°C (35°F). The humidity is slightly higher at 90%, but precipitation is less abundant at 50 mm (2.0 in) over 12 days. For a detailed overview, you can visit Riga weather in March.
When comparing the weather in August and April, it's evident that August offers a much warmer climate with average temperatures reaching 18°C (65°F) and highs of up to 30°C (86°F). In contrast, April is substantially cooler, with an average temperature of only 6°C (43°F) and a maximum of 22°C (71°F). Additionally, August experiences significantly more precipitation, totaling 86 mm (3.4 in) over 13 days, while April sees less rain at 40 mm (1.6 in) over just 9 days. Interestingly, both months have relatively high humidity, with August at 80% and April slightly higher at 87%. For more specific insights into April weather, visit Riga weather in April.
August and May present contrasting weather patterns. In August, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F). The month typically experiences higher humidity at 80% and greater precipitation, averaging 86 mm (3.4 in) over 13 days. Conversely, May is cooler, with temperatures ranging from 1°C (33°F) to 26°C (79°F) and an average of 11°C (52°F). Precipitation in May averages 53 mm (2.1 in) over 10 days, accompanied by a lower humidity level of 72%. For more details on May weather, you can visit Riga weather in May.
In comparing the weather between June and August, both months present a mix of mild and warm temperatures, but with notable differences. June generally has slightly cooler temperatures, with an average of 17°C (64°F), while August warms up to an average of 18°C (65°F). Interestingly, August can reach a maximum of 30°C (86°F), making it often hotter than June, where the peak temperature is 31°C (88°F) but with more frequent cooler days. Additionally, August experiences more rainfall with 86 mm (3.4 in) spread over 13 days, compared to June's 58 mm (2.3 in) over 10 days, making August significantly wetter. Humidity levels are also higher in August at 80% versus June's 76%, contributing to a more muggy atmosphere. For more detailed insights regarding June's weather, you can check Riga weather in June.
In comparing the weather of August and July, we see some interesting similarities and differences. August experiences slightly cooler temperatures, with a minimum of 9°C (48°F) and a maximum of 30°C (86°F), averaging around 18°C (65°F). In contrast, July has a higher minimum temperature of 11°C (52°F) and peaks at 31°C (88°F) with an average of 19°C (66°F). Both months have comparable precipitation levels, with August receiving 86 mm (3.4 in) and July 84 mm (3.3 in), occurring over the same number of rainy days—13. Humidity is a bit higher in August at 80%, compared to 76% in July, which may contribute to a feeling of mugginess during the later summer month. For more detailed insights, you can visit Riga weather in July.
In August, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), with an average of 18°C (65°F), making it a generally warm month. The month experiences around 86 mm (3.4 in) of precipitation over approximately 13 days, accompanied by a humidity level of 80%. In contrast, September sees a drop in temperatures, with minimums around 4°C (40°F) and maximums of 26°C (79°F), averaging 14°C (58°F). Precipitation increases slightly to 91 mm (3.6 in) over about 14 days, and humidity levels rise to 87%. Thus, while August is warmer and slightly less humid, September marks a transition to cooler temperatures and increased moisture. For more detailed information, check out Riga weather in September.
August and October present distinctly different weather patterns. In August, temperatures range from a comfortable 9°C (48°F) at night to a warm 30°C (86°F) during the day, with an average temperature of 18°C (65°F). However, the month also sees substantial rainfall, with 86 mm (3.4 in) spread over 13 days and a humidity level around 80%. Conversely, October brings cooler temperatures, with a minimum of -1°C (31°F), an average of 9°C (49°F), and a maximum of 19°C (66°F). This month also experiences increased precipitation at 92 mm (3.6 in) over 16 days, accompanied by slightly higher humidity at 91%. For more detailed information, check out Riga weather in October.
In comparing the weather of August and November, it's evident that August is significantly warmer, with average temperatures ranging from a mild 18°C (65°F) to a maximum of 30°C (86°F). In contrast, November sees a notable drop in temperatures, averaging just 5°C (41°F) and peaking at 14°C (57°F). Precipitation is also a factor; while August experiences 86 mm (3.4 in) of rain over 13 days, November has slightly less at 69 mm (2.7 in) spread over 15 days. Additionally, November's higher humidity at 92% contrasts sharply with August's humid conditions at 80%. For more detailed insights, you can check out Riga weather in November.
August and December present stark contrasts in weather conditions. In August, temperatures range from a minimum of 9°C (48°F) to a maximum of 30°C (86°F), creating a warm average of 18°C (65°F). The month sees about 86 mm (3.4 in) of rainfall over 13 days, with humidity levels at 80%. In contrast, December brings much colder temperatures, with a minimum of -13°C (9°F) and a maximum of just 10°C (50°F), resulting in an average temperature of 1°C (33°F). While precipitation decreases to 59 mm (2.3 in) over 15 days, the humidity rises to 93%, making the air feel even colder. For a deeper look at December's climate, visit Riga weather in December.
August in Riga is a delightful transition month, showcasing warmer temperatures that often peak around 30°C (86°F), making it the warmest time of the year. With an average temperature of 18°C (65°F), it's a great time to explore the city's vibrant outdoor life and lush greenery. However, keep in mind that you'll encounter an increase in precipitation, with 86 mm of rain spread over approximately 13 days. The humidity can also be quite high at 80%, adding a touch of mugginess to the warm days. Overall, August offers a unique blend of summer warmth tinged with the characteristic Baltic humidity, setting it apart from the cooler months. For a deeper dive into the seasonal variations, visit Riga Climate.