August Weather in Sandefjord, Norway

Last updated: August 27, 2025

In August, Sandefjord, Norway, experiences a delightful and mild climate, with maximum temperatures soaring to 26°C (79°F) and an average of 17°C (62°F). The minimum temperature dips to a refreshing 9°C (48°F), offering a comfortable range for outdoor activities. While the region enjoys a mix of sunny and cloudy days, it is also notable for receiving 90 mm (3.5 in) of precipitation over approximately 13 days, contributing to a humidity level of 77%. Visitors can anticipate a vibrant atmosphere, perfect for exploring the beautiful landscapes of this coastal gem.

August Temperature in Sandefjord

In August, Sandefjord, Norway, basks in pleasantly warm temperatures that signal the tail end of summer. The minimum temperature hovers around 9°C (48°F), while the average climbs to a comfortable 17°C (62°F), peaking at a delightful 26°C (79°F). This month marks a notable progression from the cooler months of spring and early summer, offering a perfect blend of warmth for outdoor activities and exploration. As the warmth of July begins to wane, August maintains a balance that invites locals and visitors alike to enjoy its scenic beauty before the onset of autumn.

August Weather in Sandefjord: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Sandefjord, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandefjord, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec323236435261646256484034
Data source: Temperature data for Sandefjord generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Sandefjord

In August, Sandefjord experiences a notable pattern in precipitation, receiving 90 mm (3.5 in) of rainfall over 13 days. This amount maintains the wetness felt in the earlier summer months, reflecting a slight decrease from July’s higher total of 93 mm (3.7 in), yet setting the stage for the significantly wetter months ahead. As summer transitions into fall, the frequency of rain increases, signaling a shift towards the wetter September and October, which see precipitation levels soar to 138 mm (5.4 in) and 155 mm (6.1 in), respectively. Thus, August serves as a pivotal month in Sandefjord's climate, bridging the drier summer with the more consistently rainy days of autumn.

August Precipitation Trends in Sandefjord

The chart displays monthly precipitation patterns in Sandefjord, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Sandefjord, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7580773779909490138155128127
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Sandefjord

In August, Sandefjord experiences a noticeable uptick in humidity, averaging about 77%, which offers a palpable shift from the drier summer months of June and July, where levels hover around 71-72%. This increase indicates the transition from summer to autumn, as September sees another leap to 86%. The humidity trend throughout the year begins with remarkably high levels in January and February, at 94% and 92%, respectively, gradually decreasing until May when it reaches 73%. After the summer dip, humidity levels rise once again as autumn approaches, returning to the higher ranges seen in the early months, making Sandefjord's climatic rhythm both unique and notable.

August Average Humidity in Sandefjord

This chart illustrates the average monthly humidity levels in Sandefjord, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Sandefjord is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sandefjord

In August, Sandefjord experiences a UV Index of 5, placing it in the moderate exposure category, which means that sun protection is advisable for longer outdoor activities, with a burn time of approximately 30 minutes. This marks a slight decline from the high UV levels of 7 seen in June and July, reflecting the transitional nature of the late summer months. As the summer sun begins to wane, August still offers ample opportunities for enjoying the outdoors while remaining mindful of UV exposure. Overall, the UV Index trends in Sandefjord highlight a seasonal pattern, with lower indices in the winter months and a peak during the height of summer. For detailed information on UV levels throughout the year, check out Sandefjord UV Index.

Maximum UV Index Levels in Sandefjord for August

The chart shows the monthly maximum UV Index (UVI) for Sandefjord in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Sandefjord typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Sandefjord August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Sandefjord

In August, Sandefjord basks in 412 hours of glorious sunshine, marking a delightful continuation of summer's warmth before the chill of autumn sets in. This month showcases a significant decline in sunlight compared to the peak days of July, which boasts an impressive 475 hours. As we transition from the lush vibrancy of summer, August's sunny disposition still outshines the earlier months of the year, with a substantial leap from January's mere 93 hours. The trend reveals a steady climb in daylight hours from the long, dark winter months, peaking during the summer, and gradually descending as September arrives with 291 hours. This fluctuation not only highlights Norway's seasonal charm but also enriches the experience for those lucky enough to soak in the August sunshine before the days grow shorter.

Monthly Sunshine Duration in Sandefjord: August Highlighted

The August sunshine duration represents the total number of hours Sandefjord experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec93h182h289h372h428h464h475h412h291h238h137h101h
Data source: Sandefjord August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sandefjord During August

In August, Sandefjord experiences a 41% chance of sunny weather, making it one of the sunnier months of the year. This statistic reflects a slight decline from the peak sunshine likelihood in April at 58%, but it remains consistent with the summer months of June and July, which hover around 41% to 45%. While August may not boast the highest sun chances, it still offers a pleasant opportunity for outdoor activities as the warm weather lingers before the onset of autumn. The overall trend indicates that while winter months yield a meager chance of sun, late spring and summer significantly brighten the skies, allowing residents and visitors to enjoy the outdoors in Sandefjord.

Percentage of Sunny Days in August in Sandefjord

The chart illustrates the percentage of sunny days in Sandefjord throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sandefjord experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%39%45%58%31%41%45%41%27%31%23%27%
Data source: Sandefjord August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sandefjord in August

In August, Sandefjord experiences a beautiful transition as daylight begins to wane from the long, sun-drenched days of summer. With approximately 15 hours of daylight, this month marks a gradual slip back into shorter days, yet it still basks in a generous amount of sunshine compared to the darker winter months ahead. This fading brightness follows a peak in June, where the sun graced the region for an impressive 18 hours, and leads into the steady descent towards autumn. The warm days of August offer just enough light for outdoor activities and late sunsets, making it a cherished time before the return of the brisk, shorter days of September and October.

Average Daylight Hours in Sandefjord for August

The chart illustrates the variation in daylight duration in Sandefjord throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 58m9h 14m11h 52m14h 33m17h 1m18h 26m17h 40m15h 23m12h 46m10h 6m7h 37m6h 12m
Data source: Sandefjord daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Sandefjord

In August, Sandefjord experiences a gentle shift in its wind patterns, with an average speed of 3.4 m/s (8 mph). This marks a slight increase from July, which saw its calmest winds at 3.0 m/s (7 mph). As summer gives way to early autumn, the breezes begin to pick up, signaling a transition in the season. Interestingly, while August wind speeds remain lower than the peak in October at 4.8 m/s (11 mph), they still provide a refreshing contrast to the warmer summer days. This gradual change indicates a notable trend of increasing wind strength as the year progresses, culminating in the more blustery months that follow.

Average August Wind Speed in Sandefjord

The chart displays monthly wind speed patterns in Sandefjord, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.13.83.83.33.23.03.4 m/s3.54.84.13.8
Data source: Sandefjord August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Sandefjord Compares to Other Months

Weather in Sandefjord varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Sandefjord, focusing on differences in temperature, rainfall, humidity, and UV levels.

In August, the weather is relatively mild, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F) and an average of 17°C (62°F). With 90 mm (3.5 in) of precipitation spread over 13 days and a humidity level of 77%, August offers a warm and often humid experience.

In contrast, January presents a stark departure, characterized by much colder temperatures that dip as low as -13°C (9°F), averaging around 0°C (33°F) and topping out at 11°C (51°F). Although January sees slightly less precipitation at 75 mm (2.9 in) over just 9 days, the humidity is notably higher at 94%. For a more detailed look at the January weather conditions, check out Sandefjord weather in January.

August and February present strikingly contrasting weather conditions. In August, temperatures typically range from a mild 9°C (48°F) at their lowest to a warm 26°C (79°F) at their highest, with an average of 17°C (62°F). The month sees moderate levels of precipitation, totaling 90 mm (3.5 in) over 13 days, accompanied by a relatively high humidity of 77%. In contrast, February brings much colder air, with temperatures dipping as low as -13°C (8°F) and averaging around 0°C (32°F), peaking at just 9°C (49°F). Precipitation during this frosty month amounts to 80 mm (3.1 in) over 11 days, and the humidity is slightly higher at 92%. For a detailed look at February weather, check out Sandefjord weather in February.

In August, the weather is considerably warmer than in March, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), and an average of 17°C (62°F). The month experiences around 90 mm (3.5 in) of precipitation over 13 days, with humidity at a comfortable 77%. In contrast, March presents a much colder climate, featuring temperatures that dip as low as -12°C (10°F) and only reaching up to 14°C (58°F), with an average of 2°C (36°F). Despite receiving slightly less precipitation at 77 mm (3.0 in) over 9 days, March's higher humidity level of 89% adds to the chill of the season. For more detailed information, check out Sandefjord weather in March.

August and April in Sandefjord present quite a contrast in weather conditions. In August, temperatures range from a chilly 9°C (48°F) to a warm 26°C (79°F), with an average of 17°C (62°F), making it one of the warmer months of the year. This period also experiences higher precipitation at 90 mm (3.5 in) over approximately 13 days, along with a humidity level of 77%. In contrast, April is significantly cooler, with temperatures ranging from a frosty -6°C (21°F) to a mild 20°C (67°F), resulting in an average temperature of just 6°C (43°F). It sees considerably less rainfall, totaling only 37 mm (1.5 in) over about 5 days and a slightly higher average humidity of 82%. For more detailed weather insights, you can visit Sandefjord weather in April.

When comparing the weather in August and May, August tends to be warmer overall, with an average temperature of 17°C (62°F) compared to May's cooler average of 11°C (52°F). However, May boasts a slightly higher maximum temperature of 27°C (81°F), similar to August's peak at 26°C (79°F). Precipitation levels are fairly comparable, with August receiving 90 mm (3.5 in) over 13 days and May having slightly less at 79 mm (3.1 in) over 11 days. Humidity is also higher in August at 77%, compared to 73% in May, making August feel a bit more humid. For a detailed look at May's weather, you can check Sandefjord weather in May.

In comparing the weather between August and June, August tends to be slightly warmer with an average temperature of 17°C (62°F), while June averages at 16°C (61°F). However, June boasts a slightly higher maximum temperature, reaching up to 27°C (81°F), compared to August's peak of 26°C (79°F). Both months experience similar levels of precipitation, with 90 mm (3.5 in) in August and 90 mm (3.6 in) in June, albeit with August having a few more rainy days at 13 compared to June’s 11 days. Humidity also differs slightly, with August being more humid at 77%, compared to June's 71%. For a detailed overview of June's climate, you can check Sandefjord weather in June.

When comparing the weather in August to July, August tends to be slightly cooler, with average temperatures dropping from 18°C (64°F) in July to 17°C (62°F) in August. The maximum temperature sees a notable decrease as well, falling from 31°C (87°F) in July to 26°C (79°F) in August. Precipitation levels are relatively close, with August receiving 90 mm (3.5 in) over 13 days, compared to July's 93 mm (3.7 in) over just 11 days. Notably, humidity is higher in August at 77%, compared to July's 72%. For a more in-depth look at July's weather, you can refer to Sandefjord weather in July.

In August, the weather in Sandefjord features mild temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), with an average of 17°C (62°F). The month experiences about 90 mm (3.5 in) of precipitation over 13 days, and humidity levels are relatively high at 77%. In contrast, September sees a noticeable drop in temperatures, with minimums hitting 5°C (40°F) and an average of 13°C (56°F), peaking at 23°C (73°F). Rainfall increases to 138 mm (5.4 in) over 14 days, along with a rise in humidity to 86%. For a more detailed look at the weather conditions, you can visit Sandefjord weather in September.

In comparing the weather of August and October, a noticeable shift occurs. August typically has a milder climate with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (79°F), while October experiences much cooler conditions, with temperatures dropping to as low as -1°C (30°F) and averaging around 9°C (48°F). Additionally, August receives about 90 mm (3.5 in) of precipitation over 13 days, whereas October sees a significant increase in rainfall, totaling 155 mm (6.1 in) over 15 days. Furthermore, humidity levels rise from 77% in August to 92% in October, adding to the chill of the autumn air. For more detailed information, you can visit Sandefjord weather in October.

In August, the weather in Sandefjord features milder temperatures with a minimum of 9°C (48°F) and an average of 17°C (62°F), reaching a comfortable maximum of 26°C (79°F). However, it also experiences notable precipitation, totaling 90 mm (3.5 in) over 13 days, accompanied by a relative humidity of 77%. In contrast, November brings a significant drop in temperature, with lows plummeting to -7°C (19°F) and an average temperature of just 4°C (40°F), peaking at 14°C (57°F). This month sees increased rainfall, with a total of 128 mm (5.1 in) across 16 days, leading to higher humidity levels at 93%. For a detailed look at the conditions during this month, check out Sandefjord weather in November.

August and December present strikingly contrasting weather patterns. In August, temperatures range from a mild 9°C (48°F) at night to a warm 26°C (79°F) during the day, accompanied by relatively moderate precipitation of 90 mm (3.5 in) over 13 days and a humidity level of 77%. In contrast, December brings frigid temperatures, with a minimum of -9°C (16°F) and a maximum of only 9°C (49°F). This month sees increased rainfall, totaling 127 mm (5.0 in) over 17 days, and higher humidity levels at 93%. For more details on winter conditions, check out Sandefjord weather in December.

Compare Sandefjord's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Sandefjord

In August, Sandefjord experiences a delightful transition to late summer, marked by a pleasant warmth and a hint of increased humidity. Unlike the cooler months preceding it, August offers a more comfortable average temperature, making outdoor activities particularly enjoyable. Although the city sees its fair share of rainfall, with about half the month experiencing precipitation, the overall climate is still inviting, perfect for those who cherish the lingering warmth before autumn sets in. For a more detailed overview of what to expect throughout the year, visit Sandefjord Climate.