Last updated: August 27, 2025
August in Sundsvall, Sweden is characterized by a diverse climate, where temperatures soar to a maximum of 27°C (82°F), while maintaining an average of 15°C (59°F). Visitors can expect a refreshing range, dipping to a minimum of 2°C (36°F) during the cooler nights. With 74 mm (2.9 in) of precipitation spread over 13 days, moisture is prevalent, contributing to the area's lush landscapes. Elevated humidity levels of 86% create a humid atmosphere, perfect for experiencing the vibrant, green surroundings. Whether exploring outdoor activities or enjoying the scenic vistas, August delivers a unique blend of warmth and refreshing showers in this charming Swedish locale.
In August, Sundsvall, Sweden, experiences a pleasant transition into late summer, with temperatures that reflect a comforting warmth. The month typically starts with minimums around 2°C (36°F) and averages 15°C (59°F), peaking at a delightful 27°C (82°F). This warmth contrasts sharply with the biting cold of earlier winter months, showcasing an impressive shift in seasonal climate. As the summer draws to a close, August remains one of the most temperate times of the year, making it an ideal period for outdoor activities and enjoying the stunning natural landscapes of the region. The overall trend indicates a steady warming through the summer months, culminating in a beautiful August that invites locals and visitors alike to bask in its warmth before the cooler autumn sets in.
In August, Sundsvall experiences a notable increase in precipitation, with 74 mm (or 2.9 in) of rain falling over 13 days. This marks a slight dip from the 77 mm recorded in July, yet it underscores a trend of consistent rainfall during the summer months. With the highest number of precipitation days in August, the city often feels the effects of a late summer surge, providing ample moisture before the transition into autumn. This pattern of relatively high rainfall aligns with the preceding months, suggesting that Sundsvall's climate supports lush greenery and vibrant ecosystems throughout the season, setting the stage for the crisper and drier weather of September and October.
In Sundsvall, Sweden, the humidity in August reflects a notable pattern as it rises back to 86%, paralleling the levels seen in April. This mid-summer month serves as a brief respite from the typically drier July, which recorded 80% humidity. As the seasons transition towards autumn, humidity gradually climbs again, reaching 89% in September. Interestingly, after the peak winter months of January and February, when humidity is at a high of 97% and 95% respectively, there’s a general downward trend through late spring and early summer, highlighting a seasonal ebb and flow. Ultimately, August stands out as a reminder of the balance between warmth and moisture in this coastal region, bridging the more humid winter months with the upcoming fall.
As summer wanes in August, Sundsvall experiences a UV Index of 5, placing it in the moderate exposure category. This marks a slight dip from the peak of 6 seen in June and July, indicating that while sun protection remains important, the risk of harm from unprotected sun exposure is somewhat reduced. With a burn time of just 30 minutes, it's a good reminder to stay vigilant as you enjoy the lingering warmth of summer. Following this trend, September will see a decrease to a UV Index of 3, reinforcing the gradual transition into the cooler months. For more detailed information, check out the Sundsvall UV Index.
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August in Sundsvall, Sweden, bathes the landscape in a warm glow, contributing a commendable 411 hours of sunshine. This sunny month captivates visitors as it follows the summer peak seen in July, which boasts 499 hours of radiant light. The gradual decline from July reflects the transition toward autumn, yet August still holds onto a generous amount of sunshine compared to the colder months ahead. As daylight begins to wane, the vibrant hues of late summer create a picturesque setting, reminding everyone of the abundance enjoyed during the earlier months of the year. With sunshine hours significantly ramping up from a mere 64 hours in January to nearly 500 hours in midsummer, August serves as a delightful reminder of the sun-drenched days that are now beautifully waning.
As summer transitions into fall, August in Sundsvall showcases a notable shift in weather patterns, with a 31% chance of sunny days. While this percentage marks a decline from the 51% likelihood in July, it still offers a fair opportunity for sun-soaked adventures. The overall trend throughout the months indicates that while sunshine peaks mid-summer, the lingering warmth often brings its fair share of bright spells in late summer. As autumn approaches, the chances of sunny weather dip slightly, leading to cooler days ahead, yet August still holds onto a glimpse of summer's radiance before yielding to the crispness of September.
In August, Sundsvall basks in a generous 15 hours of daylight, gradually transitioning from the peak brightness of midsummer. As the days grow shorter, August represents the tail end of an impressive progression that begins in January with a mere 6 hours of daylight. From February's 8 hours to June's 19 hours, the lengthening days create a delightful ambiance perfect for outdoor activities. July maintains a close resemblance to June with 18 hours of daylight, but as August rolls in, the gradual decline becomes palpable. Following this vibrant month, September signals a further decrease to 12 hours of sunlight, marking the shift into the cozy dynamics of autumn. This rhythm of daylight not only highlights the stunning beauty of summer in Sundsvall but also foreshadows the tranquil embrace of the colder seasons ahead.
In Sundsvall, Sweden, the August wind tells a tale of gentle breezes, averaging 3.2 m/s (7 mph), which mirrors the wind speed of both January and November. This consistency hints at a transitional phase, as the summer's mild winds gradually give way to a hint of autumn's briskness. Prior to August, wind speeds dipped in June and July, showcasing the tranquil summer months, where the breezes slowed to their lowest at 2.7 m/s (6 mph). As the warmth begins to fade, a slight uptick in September to 3.3 m/s suggests a steady return to the winds of winter. The overall trend throughout the year reveals a fascinating cycle, with winds that fluctuate modestly but noticeably, enriching the coastal experience in this vibrant Swedish town.
Weather in Sundsvall varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sundsvall, focusing on differences in temperature, rainfall, humidity, and UV levels.
In contrast to the warm, humid days of August, where temperatures range from a mild 15°C (59°F) on average and can reach up to 27°C (82°F), January presents a stark shift with frigid temperatures that plummet to a minimum of -28°C (-18°F). While August experiences 74 mm (2.9 in) of precipitation over 13 days, January has a lower total of 55 mm (2.1 in) spread across just 9 days, albeit with a much higher humidity level of 97%. For a closer look at the January climate specifics, check out Sundsvall weather in January.
When comparing the weather in August and February, notable differences emerge in temperature and precipitation. August boasts a much milder climate, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (82°F) and an average of 15°C (59°F). This summer month experiences 74 mm (2.9 in) of precipitation over 13 days, coupled with a humidity level of 86%. In contrast, February is characterized by significantly colder conditions, where temperatures dip as low as -22°C (-7°F) and reach a maximum of 8°C (47°F), averaging -5°C (23°F). This winter month has less precipitation at 44 mm (1.7 in) over 8 days, but it has higher humidity at 95%. For a detailed look at February weather, visit Sundsvall weather in February.
Comparing the weather in August and March reveals striking contrasts. In August, temperatures range from a chilly 2°C (36°F) at night to a pleasant 27°C (82°F) during the day, with an average of 15°C (59°F). The month experiences significant humidity at 86% and receives about 74 mm (2.9 in) of precipitation over 13 days. In contrast, March is much colder, starting with frigid temperatures that can dip to -23°C (-10°F) and a cooler average of -1°C (30°F), peaking at 13°C (55°F). The precipitation in March is lower, totaling 45 mm (1.8 in) over 9 days, yet humidity is slightly higher at 92%. For more information on March weather specifics, you can refer to Sundsvall weather in March.
When comparing the weather in April and August, there's a stark contrast in temperatures and precipitation patterns. In April, temperatures range from a chilly -14°C (7°F) at night to a mild 21°C (70°F) during the day, with an average of just 3°C (38°F). This month experiences about 30 mm (1.2 in) of precipitation spread over 8 days. Conversely, August boasts much warmer conditions, with minimum temperatures around 2°C (36°F) and maximums reaching up to 27°C (82°F), resulting in an average of 15°C (59°F). Although August sees more rain, with 74 mm (2.9 in) over 13 days, the humidity remains consistent at 86% for both months. For a detailed look at April's climate, you can check out Sundsvall weather in April.
When comparing the weather in August and May, notable differences can be observed. In August, temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (82°F), with an average temperature of 15°C (59°F) and higher humidity at 86%. Precipitation is also more frequent, occurring over 13 days with a total accumulation of 74 mm (2.9 in). In contrast, May experiences cooler temperatures, with a minimum of -4°C (25°F) and the same maximum of 27°C (81°F), but an average temperature of only 9°C (48°F). Precipitation is less prevalent, totaling 37 mm (1.5 in) over 9 days, and humidity is slightly lower at 80%. For a detailed look at May weather, you can visit Sundsvall weather in May.
When comparing the weather in August and June, we notice several key differences. August tends to be slightly warmer, with average temperatures around 15°C (59°F) and a maximum of 27°C (82°F), compared to June, which has similar average temperatures but can peak at a higher maximum of 32°C (90°F). Both months experience significant humidity, with August reaching 86%, slightly higher than June's 76%. Precipitation is also more frequent in August, with rain falling on 13 days and accumulating 74 mm (2.9 in), while June sees a bit less rainfall over 9 days, totaling 57 mm (2.3 in). For more detailed information, check out Sundsvall weather in June.
In comparing the weather of August and July, August generally experiences slightly cooler temperatures, with a minimum of 2°C and a maximum of 27°C, compared to July's minimum of 4°C and maximum of 30°C. The average temperature in August is around 15°C, just slightly lower than July's average of 16°C. Both months have similar levels of precipitation, with August receiving 74 mm over 13 days and July seeing 77 mm over 11 days. However, August tends to be more humid, averaging 86% humidity compared to July’s 80%. For a more detailed look at July weather, you can check Sundsvall weather in July.
August weather tends to be milder compared to September, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (82°F) and an average of 15°C (59°F). The month sees considerable precipitation at 74 mm (2.9 in) over 13 days, accompanied by high humidity at 86%. In contrast, September experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (51°F), peaking at only 21°C (71°F). Precipitation decreases slightly to 64 mm (2.5 in), but humidity rises to 89%. For a detailed overview of September’s weather, visit Sundsvall weather in September.
In August, the weather is generally mild with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (82°F) and an average of 15°C (59°F). The month sees about 74 mm (2.9 in) of precipitation over 13 days, accompanied by high humidity levels at 86%. In contrast, October experiences cooler temperatures, with a minimum of -8°C (18°F) and an average of 5°C (42°F), peaking at 20°C (68°F). Although October has a slightly higher precipitation level of 89 mm (3.5 in) spread across 14 days, it also features increased humidity at 93%. For a more detailed look at October conditions, you can visit Sundsvall weather in October.
August weather is considerably milder compared to November, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (82°F) and an average of 15°C (59°F). In contrast, November sees a drop in temperatures, with a range from -15°C (5°F) to 13°C (56°F), averaging around 0°C (32°F). While August experiences more precipitation, totaling 74 mm (2.9 in) over 13 days, November has less, with 47 mm (1.9 in) across 10 days. Additionally, humidity levels rise in November to 94%, compared to 86% in August. For more specifics on November weather, check out Sundsvall weather in November.
August and December present strikingly contrasting weather conditions. In August, temperatures range from a mild 2°C (36°F) to a warm 27°C (82°F), with an average of 15°C (59°F) and relatively high humidity at 86%. This month experiences around 74 mm (2.9 in) of precipitation spread over 13 days, making it a typical summer month.
In stark comparison, December’s temperatures plummet, with a range from a frigid -22°C (-7°F) to a maximum of 7°C (46°F), averaging around -3°C (27°F). The month has slightly higher precipitation at 76 mm (3.0 in), also across 13 days, and the humidity rises to a chilly 96%. For those interested in the specific conditions of this winter month, you can explore more at Sundsvall weather in December.
As August wraps up the summer season in Sundsvall, it brings a unique blend of warmth and moisture that stands out compared to the preceding months. With daytime temperatures peaking at a comfortable 27°C (82°F) and an average of 15°C (59°F), it's a time for outdoor activities, despite the occasional rain, as the city sees some of its highest humidity levels at 86%. While the month experiences 13 days of precipitation, making it one of the wetter months, this doesn't overshadow the pleasant temperatures that invite both locals and visitors to soak in the late-summer charm. For those looking to plan their visit, understanding the dynamics of weather throughout the year is essential; explore more details about Sundsvall's climate here.