Last updated: August 27, 2025
In Tromsø, Norway, August ushers in a delightful mix of summer warmth and refreshing rain. The maximum temperature can soar to a pleasant 27°C (80°F), while the average hovers around a cool 11°C (53°F), and nighttime lows can drop to 4°C (39°F). Despite the inviting temperatures, residents and visitors should prepare for the moisture in the air, as August records a notable 128 mm (5.0 in) of precipitation over 19 days, resulting in a humidity level of 88%. This blend of climate creates a unique tapestry of lush landscapes, ideal for exploring the breathtaking natural beauty that Tromsø has to offer.
In Tromsø, Norway, August marks the peak of summer, offering a pleasant reprieve from the biting cold of winter months. With minimum temperatures around 4°C (39°F), an average of 11°C (53°F), and highs reaching 27°C (80°F), August stands out as a warm and inviting month. This period showcases a significant rise in temperature compared to the spring and earlier summer months, providing ample opportunity for outdoor activities under the midnight sun. As temperatures begin to cool slightly towards the end of the month, the transition hints at the approaching autumn, while still allowing residents and visitors alike to savor the lingering warmth of summer.
In August, Tromsø experiences a notable surge in precipitation with 128 mm (5.0 in) of rainfall, marking one of the wettest months of the year alongside September, which follows closely with 132 mm (5.2 in). This uptick is reflected in the 19 rainy days, the highest alongside March and November, as summer transitions into fall. The precipitation trends throughout the months reveal that while June and August are heavy hitters, the overall pattern suggests a late-summer increase in rainfall, creating an atmosphere rich with the lushness of nature preparing for the cooler seasons ahead. As August closes, locals and visitors alike can often feel the crispness in the air, a prelude to the autumn chill that follows.
In August, humidity in Tromsø, Norway typically settles at around 88%, marking a slight increase from the preceding months. This late summer humidity represents a trend of gradual decline from the high levels seen at the beginning of the year, where figures hovered close to 95% in January. As the warmest month of the year, August's humidity reflects the lingering effects of the summer season, characterized by a temporary rise after a dip in July. The overall trend showcases a consistent pattern where humidity remains relatively high throughout the year, only dipping into the low 80s in May and June, before climbing again in the subsequent months, highlighting Tromsø’s unique climate dynamics.
In August, Tromsø experiences a UV Index of 4, indicating a moderate level of UV exposure that calls for some sun protection, especially as the region transitions towards shorter days. This index remains consistent with July's readings, both demanding a burn time of just 30 minutes. Interestingly, the UV Index peaks through the summer months—reaching its highest in June and July—before tapering off in September. As the year progresses, readings fluctuate between low and moderate. By the time winter arrives in October, the index drops to 1, reflecting Tromsø's unique polar climate. For more detailed information on UV exposure throughout the year, visit Tromso UV Index.
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In Tromsø, Norway, August shines brightly with 367 hours of sunlight, a vibrant conclusion to the summer months. Following a peak in July with 454 hours, the city begins to transition towards the autumn season, yet still enjoys an ample amount of daylight. The gradual decrease from summer’s peak is noticeable, as the lush landscapes of August bask in a generous glow, contrasting sharply with the bleakness of the winter months ahead, when sunlight dwindles to a mere 24 hours in November and fades to none in December. This summer-to-autumn shift underscores Tromsø's unique northern climate, where sun-soaked days provide a fleeting yet cherished reprieve before the long, dark months set in.
In Tromsø, Norway, the likelihood of sunny weather follows a notable trend throughout the year. While January and December enjoy a comparatively higher chance of sunshine, with 33% and 34% respectively, the summer months sadly do not shine as brightly. August, in particular, sees the chance of sunny days dip to 14%, making it one of the least likely months for sunshine. After a peak in March, where sun chances cling to 19%, the warmth of summer fails to deliver as expected, with July taking an unfortunate turn to 16%. The overall pattern reveals that as the year progresses towards autumn, the possibility of sunny weather begins to revive slightly, with September climbing back to 21%. Thus, if you’re dreaming of sunny August days in Tromsø, you might need to temper those expectations.
In August, Tromsø begins to transition from the perpetual daylight of summer to the crisp autumn days ahead. With an impressive 17 hours of daylight, the month boasts a significant reduction from the 24 hours experienced in June, but it still offers ample time for exploration and enjoyment of the beautiful northern landscapes. As the long days start to shorten, the warm hues of late summer begin to mingle with early autumn shades, creating a stunning backdrop for both locals and visitors. This gradual decline in daylight serves as a gentle reminder of the enchanting cycles that characterize life above the Arctic Circle, where the long summer sun gives way to the softer, shorter days of fall.
In Tromsø, Norway, the August winds tend to be gentle, with an average speed of 2.4 m/s (5 mph), marking a slight decline as summer transitions into fall. This decrease in wind speed from July's 2.9 m/s (7 mph) reflects the calming patterns of late summer, where the vibrant energy of longer days begins to wane. As the year progresses, September follows suit with an even lighter breeze at 2.3 m/s (5 mph), indicating a trend of progressively milder winds. Overall, the months leading up to August showcase a predominantly stable wind pattern, suggesting a serene atmosphere that complements the breathtaking Arctic landscapes of Tromsø during this season.
Weather in Tromso varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Tromso, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in August and January, the differences are striking. August boasts a mild climate with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F) and an average of 11°C (53°F), along with significant precipitation of 128 mm (5.0 in) over 19 days. In stark contrast, January is characterized by frigid temperatures, with lows plummeting to -23°C (-9°F) and a maximum of just 7°C (45°F), and an average temperature of -5°C (23°F). Although January sees slightly less precipitation at 97 mm (3.8 in) across 13 days, it has remarkable humidity levels of 95%. For a detailed look at the winter conditions, you can visit Tromso weather in January.
August and February present starkly different weather conditions. In August, temperatures range from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), with an average of 11°C (53°F). The month sees considerable precipitation, totaling 128 mm (5.0 in) over 19 days, and humidity levels remain high at 88%. In contrast, February experiences much colder temperatures, with a minimum of -21°C (-5°F) and a maximum of just 7°C (44°F), averaging -6°C (21°F). Precipitation drops to 99 mm (3.9 in) over 16 days, but humidity is slightly higher at 93%. To get more insights about the February weather, you can refer to Tromso weather in February.
When comparing the weather in August and March, the differences are striking. August typically features a much warmer temperature range, with a minimum of 4°C (39°F) and a maximum of 27°C (80°F), while March experiences much colder conditions, with temperatures dipping as low as -18°C (1°F) and only reaching a maximum of 9°C (48°F). Precipitation levels are relatively similar, with August receiving 128 mm (5.0 in) and March slightly higher at 139 mm (5.5 in), both spread out over 19 days. Humidity is also quite high in both months, with August at 88% and March at 91%, adding to the overall dampness. For a more detailed look at March conditions, you can visit Tromso weather in March.
When comparing the weather in August and April, we can see significant differences in temperature and precipitation patterns. August enjoys a much warmer climate, with average daily temperatures ranging from 11°C (53°F) to a maximum of 27°C (80°F), while April experiences colder conditions with average temperatures hovering around 0°C (33°F) and reaching a high of 14°C (57°F). Both months receive substantial precipitation, with August slightly wetter at 128 mm (5.0 in) compared to April's 119 mm (4.7 in), but the humidity levels are relatively similar, at 88% for August and 89% for April. For a detailed look at the weather conditions during April, you can check out Tromso weather in April.
When comparing the weather in August and May, August offers warmer temperatures with a minimum of 4°C (39°F), an average of 11°C (53°F), and a maximum of 27°C (80°F). In contrast, May experiences cooler conditions, with temperatures ranging from a minimum of -8°C (18°F) to a maximum of 21°C (70°F) and an average of 5°C (41°F). Additionally, August sees more precipitation, accumulating 128 mm (5.0 in) over 19 days, while May has 98 mm (3.9 in) of rainfall over 17 days. Although August is generally wetter, May has slightly lower humidity at 83% compared to August's high of 88%. For more details on May's weather, you can check Tromso weather in May.
When comparing the weather in August and June, August tends to be warmer, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), while June sees cooler averages with temperatures from 1°C (34°F) to 23°C (73°F). Both months experience similar levels of precipitation, with August receiving 128 mm (5.0 in) over 19 days and June slightly higher at 130 mm (5.1 in) across 18 days. Humidity levels are also slightly higher in August at 88%, compared to June's 84%. Overall, August offers warmer conditions, while June retains a cooler edge. For more details, you can check Tromso weather in June.
When comparing the weather in August to July, it is noticeable that August tends to be slightly cooler overall, with average temperatures averaging 11°C as compared to July's 12°C. Additionally, while July experiences less precipitation at 100 mm over 14 days, August sees a significant increase in rainfall, totaling 128 mm over 19 days and resulting in a higher humidity level of 88%. This suggests that August is not only wetter but also more humid than July, which has an average humidity of 85%. For more detailed information about the weather patterns in July, you can check Tromso weather in July.
In comparing the weather of August and September, we observe a notable transition. August experiences a wider temperature range, with minimums around 4°C (39°F) and maximums peaking at 27°C (80°F). In contrast, September sees lower temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 20°C (69°F), reflecting the onset of autumn. Despite September's slightly higher precipitation at 132 mm (5.2 in) over 17 days compared to August's 128 mm (5.0 in) over 19 days, the humidity rises marginally from 88% to 91%. For more detailed insights, you can check Tromso weather in September.
In August, the weather is relatively warmer, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 27°C (80°F), and an average temperature of 11°C (53°F). This month experiences significant rainfall, with 128 mm (5.0 in) of precipitation over 19 days and humidity levels at 88%. In contrast, October sees a noticeable drop in temperature, with a minimum of -11°C (13°F) and an average of just 3°C (37°F), peaking at 16°C (60°F). The precipitation in October totals 87 mm (3.4 in) over 16 days, coupled with slightly higher humidity at 92%. For a more detailed look at the impact of October weather, visit Tromso weather in October.
August and November present striking contrasts in weather. In August, temperatures range from a mild 4°C (39°F) at night to a warm 27°C (80°F) during the day, with an average of 11°C (53°F). The month experiences significant rainfall, with 128 mm (5.0 in) spread over 19 days, and humidity levels are high at 88%. In contrast, November brings much colder conditions, with temperatures dropping significantly, with a minimum of -22°C (-7°F) and a maximum of 10°C (50°F), averaging -1°C (31°F). Though precipitation is slightly lower at 113 mm (4.5 in) over the same number of days, humidity rises to 92%, creating a chilly atmosphere. For more detailed insights, you can check Tromso weather in November.
August and December present striking contrasts in weather. In August, temperatures range from a mild 4°C (39°F) at night to a warm 27°C (80°F) during the day, with an average of 11°C (53°F). The month experiences significant rainfall, with 128 mm (5.0 in) of precipitation over 19 days and high humidity at 88%. Conversely, December plunges into much colder conditions, where temperatures can drop to a chilling -21°C (-5°F) at night, rise only to an average of -4°C (25°F), and peak at 8°C (46°F). The precipitation decreases to 80 mm (3.1 in) over 15 days, while humidity is slightly higher at 94%. For more detailed insights, visit Tromso weather in December.
August in Tromsø brings a unique blend of mild temperatures and increased precipitation, setting it apart from the drier summer months. With an average temperature of 11°C (53°F), it presents a cooler alternative to the warmest days of summer, where maximums can reach 27°C (80°F). The sky often drapes itself in gray as rain graces the region on nearly 19 days, contributing to a high humidity of 88% that can make the air feel heavy. This transitional month hints at the impending autumn, inviting visitors to experience Tromsø’s vibrant landscapes while preparing for the seasonal shift. For a comprehensive understanding of the region's climate, explore more at Tromso Climate.