Last updated: August 27, 2025
August in Rjukan, Norway presents a blend of mild temperatures and frequent rain. With a maximum of 22°C (72°F) and an average of 10°C (50°F), the weather is generally pleasant, though it can dip to a minimum of -1°C (30°F) at night. Visitors should be prepared for showers, as 113 mm (4.5 in) of precipitation falls over 17 days, contributing to a humidity level of 78%. This mix of refreshing temperatures and lush greenery makes August an enchanting time to explore Rjukan's stunning landscapes.
In Rjukan, Norway, the month of August offers a refreshing transition from the warm summer days of July, with temperatures typically ranging from a minimum of -1°C (30°F) to a maximum of 22°C (72°F). As the peak of summer fades, the average temperature settles at a comfortable 10°C (50°F), striking a balance that invites both adventure and relaxation in the scenic surroundings. This moderate climate is part of a broader trend in Rjukan, where temperatures gradually rise from the frigid depths of winter to the pleasantly mild conditions of late summer, showcasing the region's unique seasonal shifts. As locals and visitors alike bask in the diminishing warmth, August emerges as a delightful time to explore outdoor activities against the backdrop of Rjukan's stunning landscapes.
August in Rjukan, Norway, sees a notable shift in precipitation, with 113 mm (4.5 in) of rainfall occurring over 17 days, making it one of the wetter months of the year. Following the peak of summer, the frequency of precipitation begins to rise, culminating in a notable increase from July's 114 mm. This trend hints at the transition toward autumn, as the weather becomes more variable and lush greenery flourishes in response to the moisture. As September approaches, rainfall continues to escalate, further reflecting the gradual shift in climate patterns typical of this scenic region.
In Rjukan, Norway, August experiences a noticeable shift in humidity levels, with an average of 78%. This figure represents a slight increase from the consistently low humidity of 74% seen during the summer months of June and July. As the warm summer gives way to the cooler temperatures of autumn, September's humidity rises sharply to 86%, echoing the trend of increasing moisture in the air as the year progresses. Overall, the humidity levels in Rjukan show a clear seasonal pattern, starting high in the winter months, tapering off to their lowest in summer, and then gradually climbing again as autumn approaches.
In August, Rjukan, Norway, experiences a notably high UV Index of 6, which signifies an elevated risk of harm from unprotected sun exposure. As summer wanes, the burn time for fair-skinned individuals decreases to just 25 minutes, mirroring the previous months of June and July where the UV Index peaked at 7. This trend highlights the importance of sun protection even as the season transitions towards fall. Comparatively, the UV Index had been lower at the start of the year, with values of only 1 or 2 in January and February. Therefore, it’s essential to stay vigilant during this high exposure period. For detailed information on Rjukan's UV conditions throughout the year, visit Rjukan UV Index.
UV Risk Categories
In August, Rjukan basks in 374 hours of glorious sunshine, a delightful continuation of the peak summer warmth that began in July with its remarkable 451 hours of sunlight. As the days gradually shorten, the sun's generous embrace in August heralds a transition from the vibrant summer to the cooler autumn months. This month still shines brighter than the earlier spring and winter, where sunshine hours fluctuate dramatically, peaking in the summer months and dipping to a mere 83 hours in January. The gradual increase from February to June demonstrates the long-awaited arrival of light, reaching a high point in the summer, before the patterns shift back again, signaling the change of seasons ahead. Rjukan’s August sun serves as a splendid reminder of the fleeting beauty of summer days in the heart of Norway.
August in Rjukan, Norway, presents a moderate 33% chance of sunny weather, which aligns closely with the overall trend observed in the summer months. Following a slight uptick in July to 40%, the likelihood of sunshine may dip, yet it remains significantly higher than the autumn months, where September sees just a 20% chance. Notably, April stands out with a remarkable 56%, hinting at a brief sunny prelude to the summer. As locals and visitors alike look forward to outdoor activities in August, it's essential to embrace the blend of sun and occasional clouds, making it a time of delicate balance in Rjukan's weather patterns.
In Rjukan, Norway, the daylight duration exhibits a captivating seasonal rhythm that highlights the transition from vibrant summers to the subdued embrace of winter. August, with its 15 hours of daylight, stands out as the last glorious gasp of summer, gradually tapering off from the 18 hours enjoyed in June. As the month unfolds, the sunlight begins to wane, leading into the shorter days of September’s 12 hours and October’s 10. This smooth descent from the long, sunlit days of summer to the increasing darkness of winter accentuates Rjukan's unique tapestry of light, granting residents a fleeting yet precious opportunity to bask in the warm glow of summer's end before the winter months settle in with just 6 hours of daylight by December.
In Rjukan, Norway, the month of August experiences an average wind speed of 2.5 m/s (6 mph), reflecting a gentle breeze typical for late summer. This figure is consistent with the lighter winds observed throughout the earlier months of the year, particularly from January to May, where speeds hover between 2.1 m/s and 3.3 m/s. As summer rolls on, July sees a slight uptick, before August maintains this mild velocity. Interestingly, the wind begins to pick up again in September at 2.8 m/s (6 mph), suggesting a transition towards the more blustery conditions that characterize the autumn months. Overall, August's calming winds contribute to a serene summer atmosphere in Rjukan, making it a perfect time for leisurely outdoor activities.
Weather in Rjukan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Rjukan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather in Rjukan is generally mild, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 22°C (72°F) and an average of 10°C (50°F). During this month, the region experiences notable precipitation, with 113 mm (4.5 in) spread over 17 days and a humidity level of 78%. In stark contrast, January brings frigid temperatures, with a minimum of -25°C (-13°F) and a maximum of just 5°C (42°F), averaging -6°C (21°F). The winter month has lower precipitation levels at 68 mm (2.7 in) over 11 days, but higher humidity at 93%. For more detailed information about January weather in Rjukan, visit Rjukan weather in January.
When comparing the weather in August and February, the contrast is striking. August experiences a mild temperature range with a minimum of -1°C (30°F), an average of 10°C (50°F), and a maximum of 22°C (72°F). This month is characterized by higher humidity at 78% and receives significant rainfall, totaling 113 mm (4.5 in) spread over 17 days. In contrast, February is much colder, with temperatures ranging from a minimum of -25°C (-13°F) to a maximum of only 6°C (43°F), and an average temperature of -7°C (20°F). While February sees less precipitation at 73 mm (2.9 in) over 13 days, the humidity is notably higher at 91%. For more details on the specific conditions in February, you can visit Rjukan weather in February.
When comparing the weather in August and March, it's evident that the two months offer quite contrasting experiences. August generally enjoys a milder climate, with temperatures ranging from a minimum of -1°C (30°F) to a comfortable average of 10°C (50°F) and a maximum of 22°C (72°F). This month also sees significant precipitation, totaling 113 mm (4.5 in) over 17 days, coupled with a relative humidity of 78%. In contrast, March is much colder, with temperatures dipping as low as -24°C (-11°F) and averaging -4°C (24°F), peaking at just 12°C (53°F). Although it experiences less precipitation, at 75 mm (2.9 in) over 13 days, humidity is slightly higher at 88%. For a more detailed look at March weather specifics, you can check Rjukan weather in March.
When comparing the weather in August and April, notable differences emerge. August boasts a milder temperature range with a minimum of -1°C (30°F), an average of 10°C (50°F), and a maximum of 22°C (72°F). In contrast, April experiences much colder temperatures, with a minimum of -19°C (-2°F) and an average of -1°C (30°F), even though it can reach a maximum of 15°C (59°F). Precipitation is more frequent in August, occurring over 17 days and totaling 113 mm (4.5 in), while April has only 51 mm (2.0 in) of precipitation over 8 days. Interestingly, humidity levels are slightly higher in April at 83% compared to 78% in August. For more details on April's weather, you can check Rjukan weather in April.
When comparing the weather in August and May, several distinct differences emerge. In August, temperatures range from a minimum of -1°C (30°F) to a maximum of 22°C (72°F), averaging around 10°C (50°F). In contrast, May experiences cooler conditions, with temperatures ranging from -14°C (7°F) to a maximum of 21°C (70°F), and an average of 5°C (40°F). Additionally, August tends to be wetter, with 113 mm (4.5 in) of precipitation over 17 days, while May has less precipitation at 88 mm (3.5 in) over 12 days. Humidity also remains relatively high in both months, with August at 78% and May slightly lower at 75%. For a detailed look at May's weather, you can check out Rjukan weather in May.
In comparing the weather of August and June, both months share similar minimum temperatures, with lows reaching -1°C (30°F). Average temperatures are slightly lower in August at 10°C (50°F) compared to June's average of 10°C (51°F). August experiences a maximum temperature of 22°C (72°F), just a degree shy of June's highest at 23°C (74°F). Precipitation levels are also notable; August sees 113 mm (4.5 in) over 17 days, while June has slightly higher rainfall at 126 mm (5.0 in) across 14 days. The humidity remains relatively high in both months, though it is marginally greater in August at 78%, compared to June's 74%. For more detailed insights into June weather, you can visit Rjukan weather in June.
In comparing the weather between July and August, we observe that August tends to be slightly cooler, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 22°C (72°F), compared to July's minimum of 0°C (33°F) and maximum of 25°C (77°F). Both months have similar levels of precipitation, with August receiving 113 mm (4.5 in) over 17 days and July experiencing 114 mm (4.5 in) over 14 days. Humidity is higher in August at 78%, while July has a humidity level of 74%. For more detailed insights into July's climate, you can visit Rjukan weather in July.
In comparing the weather of August and September, it's evident that September experiences a drop in average temperatures, with a minimum of -3°C (27°F) compared to August's -1°C (30°F) and an average of 6°C (44°F) versus August's 10°C (50°F). While both months have similar maximum temperatures, with September peaking at 21°C (69°F) and August at 22°C (72°F), September tends to be wetter, receiving 134 mm (5.3 in) of precipitation over 16 days compared to August's 113 mm (4.5 in) across 17 days. Additionally, September has higher humidity at 86%, compared to August's 78%. For more detailed weather information, you can check Rjukan weather in September.
The weather in August is generally milder, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 22°C (72°F), making it much more pleasant for outdoor activities. In contrast, October brings significantly cooler conditions, with averages dropping to a minimum of -15°C (6°F) and a maximum of just 13°C (56°F). Additionally, October sees a slight increase in precipitation, averaging 143 mm (5.6 in) over 19 days compared to August's 113 mm (4.5 in) over 17 days. The humidity also rises in October to 92%, contributing to a much chillier feel in the air. For more detailed insights on October weather, you can check Rjukan weather in October.
The weather in August is significantly milder compared to November, with average temperatures ranging from a minimum of -1°C (30°F) to a maximum of 22°C (72°F). In contrast, November experiences colder temperatures, with averages between -26°C (-14°F) and 9°C (49°F) and a chilling average of -3°C (27°F). Both months receive similar levels of precipitation—113 mm (4.5 in) in August and 112 mm (4.4 in) in November—although the cooler November air is more humid, registering at 92% compared to August’s 78%. For a detailed look at the weather in November, you can refer to Rjukan weather in November.
August and December present stark contrasts in weather patterns. In August, temperatures range from a minimum of -1°C (30°F) to a comfortable maximum of 22°C (72°F), with an average of 10°C (50°F). The month experiences 113 mm (4.5 in) of precipitation over 17 days, and humidity hovers around 78%. In contrast, December brings much colder conditions, with temperatures ranging from -22°C (-8°F) at night to a maximum of 5°C (42°F), averaging -6°C (22°F). Precipitation increases slightly to 119 mm (4.7 in) over 18 days, and the humidity rises to 92%, making the air feel even colder. For a detailed look at December weather, you can check out Rjukan weather in December.
In August, Rjukan experiences a delightful transition as summer wanes, with temperatures that often feel warm, yet crisp, inviting visitors to embrace the great outdoors. This month stands out from others with its unique blend of mild days and cooler nights, fostering a refreshing atmosphere. However, be prepared for frequent, albeit light, rain as 17 days of precipitation contribute to a lush landscape, setting Rjukan apart with its vibrant greenery. The high humidity adds to the richness of the air, creating a distinct ambiance that is both invigorating and soothing. To gain deeper insights into Rjukan's diverse climate throughout the year, check out Rjukan Climate.