April Weather in Sandefjord, Norway

Last updated: August 27, 2025

In April, Sandefjord, Norway, experiences a delightful transition into spring, with temperatures ranging from a maximum of 20°C (67°F) to a pleasant average of 6°C (43°F), and dipping to a minimum of -6°C (21°F) on cooler nights. The month brings a moderate precipitation total of 37 mm (1.5 in) over five days, contributing to the lush rejuvenation of the landscape. With humidity levels averaging 82%, visitors can expect a refreshing yet crisp atmosphere that beautifully reflects the awakening of nature in this charming coastal town.

April Temperature in Sandefjord

April in Sandefjord, Norway marks a significant transition from the lingering chill of winter to the budding warmth of spring. With minimum temperatures rising to -6°C (21°F) and average highs reaching a pleasant 20°C (67°F), the month brings a refreshing change, inviting locals and visitors alike to enjoy the outdoors. The average temperature of 6°C (43°F) represents a notable spike from the frigid temperatures of the previous months, hinting at nature's awakening. As the days grow longer and brighter, April becomes a delightful prelude to the balmy summer months ahead, making it a perfect time to experience the beauty of Sandefjord as it shakes off the last remnants of winter.

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

The chart illustrates April 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, April 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Sandefjord

In April, Sandefjord experiences a notable dip in precipitation, measuring just 37 mm (1.5 in) over a mere 5 days, marking it as one of the driest months of the year. This is in stark contrast to the wetter months that precede and follow it, where rainfall amounts are consistently higher, peaking in the autumn. The trend reflects a transition into spring, where sunshine starts to reclaim its presence. As the region gears up for May, the precipitation levels bounce back to 79 mm (3.1 in), suggesting that the climate is beginning to shift once more, gradually welcoming the lush greenery of the upcoming summer months.

April Precipitation Trends in Sandefjord

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

In April, Sandefjord, Norway experiences a notable shift in humidity, dropping to 82% from the higher levels of winter. This transition marks a continued decline from the 89% humidity of March, hinting at the arrival of spring and the promise of drier days ahead. As the year progresses, humidity continues to decrease, reaching its lowest point of 73% in May. This pattern illustrates a gradual shift towards milder and more comfortable conditions, making April a welcome respite from the heavy, moist air of the preceding months. The overall trend indicates that as the seasons change, the climate becomes increasingly pleasant, paving the way for the warmth and activities of summer.

April Average Humidity in Sandefjord

This chart illustrates the average monthly humidity levels in Sandefjord, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Sandefjord

As April arrives in Sandefjord, Norway, the UV Index climbs to 4, indicating a moderate level of sun exposure that warrants attention. Compared to the preceding months of January through March, where UV levels remained low, this increase suggests a shift towards sunnier days and more time spent outdoors. With a burn time of just 30 minutes, it’s essential to enjoy the spring rays while also taking precautions to protect your skin. This trend continues into May, where the UV Index rises further to 5. So, as you embrace the warmer weather, remember to stay informed about the Sandefjord UV Index and keep your sun safety measures in check!

Maximum UV Index Levels in Sandefjord for April

The chart shows the monthly maximum UV Index (UVI) for Sandefjord in April, 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 April, the maximum UV index in Sandefjord typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Sandefjord April 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.

April Sunshine in Sandefjord

April in Sandefjord, Norway, heralds a vibrant shift as the sun begins to shine more brightly, delivering an impressive 372 hours of sunlight. This marks a significant increase from the 289 hours recorded in March, indicating the arrival of spring and a gradual warming of the days. As the sunlight hours continue to climb, peaking in the summer months, April stands as a pivotal month that lays the groundwork for the longer, brighter days ahead. This upward trend in sunshine not only brightens the landscape but also uplifts the spirits of residents, as they anticipate the lush beauty that summer will bring. With each passing month, from May’s 428 hours to June’s 464 hours, the transition from the somber days of winter to the vibrancy of summer feels palpable and energizing.

Monthly Sunshine Duration in Sandefjord: April Highlighted

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

Chance of Sun in Sandefjord During April

As we step into April in Sandefjord, Norway, the promise of sunny weather begins to shine, with the likelihood of sunshine reaching an encouraging 58%. This marks a noticeable increase from the previous months, where January, February, and March see chances of sun hovering below 45%. In fact, April stands in stark contrast to May, where the probability of sunny days dips to 31%. This uptick in April heralds the arrival of spring, offering a delightful shift towards brighter days and a perfect opportunity for outdoor activities. Overall, the trend suggests that April is truly a month to embrace the sun after the long winter months.

Percentage of Sunny Days in April in Sandefjord

The chart illustrates the percentage of sunny days in Sandefjord throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sandefjord in April

As the crispness of winter gives way to the warming embrace of spring, April in Sandefjord, Norway, marks a significant increase in daylight, extending to 14 hours. This leap from 11 hours in March heralds the arrival of longer, brighter days, inviting both locals and visitors to embrace the beauty of the awakening landscape. The gradual ascent in daylight hours continues into May, reaching a splendid 17 hours, underscoring Norway's enchanting transition from the dimness of winter to the vibrant, sun-kissed days of summer. This upward trend in daylight not only enhances outdoor activities but also uplifts the spirit, making April a delightful time to experience the unique charm of Sandefjord.

Average Daylight Hours in Sandefjord for April

The chart illustrates the variation in daylight duration in Sandefjord throughout the year, with April 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.

April Winds in Sandefjord

In April, the wind in Sandefjord, Norway, gently eases to an average speed of 3.8 m/s (8 mph), mirroring the lighter breezes of March. This subtle shift reflects the transition into spring, as the chill of winter recedes. Notably, April’s winds are just slightly brisker than the summer months that follow, with May seeing a further decrease to 3.3 m/s (7 mph). As the year progresses, the wind speeds generally dwindle, dipping to their lowest in the heart of summer before making a notable comeback in autumn, particularly in October, when gusts rise to an invigorating 4.8 m/s (11 mph). This seasonal ebb and flow of the winds captures the essence of Sandefjord’s climate, where each month brings its own unique character, leaving an imprint on the picturesque coastal landscape.

Average April Wind Speed in Sandefjord

The chart displays monthly wind speed patterns in Sandefjord, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.13.83.8 m/s3.33.23.03.43.54.84.13.8
Data source: Sandefjord April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April’s weather to other months in Sandefjord, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present stark contrasts in weather. In April, temperatures range from a minimum of -6°C (21°F) to a pleasant maximum of 20°C (67°F), averaging around 6°C (43°F), and the month sees about 37 mm (1.5 in) of precipitation over 5 days with a humidity of 82%. In contrast, January is much colder, with temperatures dipping as low as -13°C (9°F) and averaging 0°C (33°F), peaking at 11°C (51°F). This winter month experiences higher precipitation levels at 75 mm (2.9 in) across 9 days, along with increased humidity at 94%. For more details, visit Sandefjord weather in January.

April weather shows a notable improvement over February, with average temperatures rising from February's chilly 0°C (32°F) to a more pleasant 6°C (43°F). While February experiences colder minimum temperatures, hitting as low as -13°C (8°F), April's minimum is a more moderate -6°C (21°F). Additionally, precipitation decreases in April to 37 mm (1.5 in) spread over just 5 days, compared to February's higher total of 80 mm (3.1 in) over 11 days. Humidity in April is also slightly lower at 82%, compared to February's 92%. For more detailed information on February weather, check out Sandefjord weather in February.

In comparing the weather between March and April, it’s evident that April offers a milder climate with an average temperature of 6°C (43°F), compared to March's cooler average of 2°C (36°F). While March experiences more extreme cold with a minimum of -12°C (10°F), April's lowest temperature is a milder -6°C (21°F). Additionally, April sees less precipitation at 37 mm (1.5 in) over 5 days, contrasting with March's higher total of 77 mm (3.0 in) across 9 days. The humidity remains high in both months, at 82% in April and 89% in March. For more detailed information, you can check Sandefjord weather in March.

April and May exhibit notable differences in weather patterns. In April, temperatures range from a chilly minimum of -6°C (21°F) to a pleasant maximum of 20°C (67°F), with an average of 6°C (43°F). The month sees about 37 mm (1.5 in) of precipitation over 5 days and a high humidity level of 82%. In contrast, May experiences milder conditions with temperatures starting at a minimum of 1°C (33°F) and peaking at 27°C (81°F), averaging around 11°C (52°F). However, May is wetter, receiving 79 mm (3.1 in) of rainfall over 11 days, accompanied by a reduced humidity of 73%. For more details on May weather, you can visit Sandefjord weather in May.

April and June present contrasting weather patterns. In April, temperatures range from a chilly -6°C (21°F) at their lowest to a mild 20°C (67°F) at their peak, with an average of 6°C (43°F). The month experiences about 37 mm (1.5 in) of precipitation spread over 5 days, accompanied by high humidity at 82%. In contrast, June offers a more temperate climate with minimum temperatures of 6°C (44°F) and maximums reaching 27°C (81°F), averaging around 16°C (61°F). However, it also sees increased rainfall, totaling 90 mm (3.6 in) over 11 days, but with lower humidity at 71%. For more detailed insights, you can check Sandefjord weather in June.

April and July weather exhibit significant differences, reflecting the transition from spring to summer. In April, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 20°C (67°F) with an average of 6°C (43°F). The month experiences about 37 mm (1.5 in) of precipitation over approximately 5 days, accompanied by a high humidity level of 82%. In contrast, July boasts warmer conditions with minimum temperatures of 9°C (49°F) and a sweltering maximum of 31°C (87°F), averaging around 18°C (64°F). This summer month has a higher total precipitation of 93 mm (3.7 in) spread over 11 days, although humidity decreases to 72%. For a more detailed look at July weather, visit Sandefjord weather in July.

April and August present contrasting weather characteristics. In April, temperatures range from a chilly minimum of -6°C (21°F) to a pleasant maximum of 20°C (67°F), with an average of 6°C (43°F). The month experiences relatively low precipitation of 37 mm (1.5 in) spread over about 5 days, and the humidity is quite high at 82%. In stark contrast, August boasts a milder climate, with minimum temperatures at 9°C (48°F) and maximums reaching 26°C (79°F), averaging at 17°C (62°F). However, August sees significantly more rainfall, totaling 90 mm (3.5 in) over approximately 13 days, but the humidity is slightly lower at 77%. For further details on August weather, you can check Sandefjord weather in August.

April and September exhibit distinct weather patterns, reflecting the transition from early spring to early autumn. In April, temperatures range from a chilly minimum of -6°C (21°F) to a mild maximum of 20°C (67°F), with an average of 6°C (43°F). This month experiences moderate precipitation at 37 mm (1.5 in) over about 5 days and maintains a humidity level of 82%. In contrast, September offers warmer conditions, with temperatures ranging from a minimum of 5°C (40°F) to a maximum of 23°C (73°F), resulting in an average temperature of 13°C (56°F). However, it also sees significantly higher precipitation at 138 mm (5.4 in) spread over 14 days and slightly elevated humidity at 86%. For more detailed information, you can check Sandefjord weather in September.

April and October exhibit contrasting weather patterns, highlighting a gradual shift from spring to autumn. In April, temperatures range from a chilly -6°C (21°F) to a mild maximum of 20°C (67°F), with an average of 6°C (43°F). The month sees about 37 mm (1.5 in) of precipitation over 5 days and maintains a relative humidity of 82%. Conversely, October offers a cooler climate, with temperatures varying from -1°C (30°F) to a maximum of 17°C (62°F) and an average of 9°C (48°F). However, it is significantly wetter, receiving around 155 mm (6.1 in) of rain over 15 days, accompanied by higher humidity at 92%. For more detailed information, you can check this link: Sandefjord weather in October.

April and November exhibit distinct differences in weather conditions. In April, temperatures range from a minimum of -6°C (21°F) to a maximum of 20°C (67°F), with an average of 6°C (43°F). The month generally sees lower precipitation at 37 mm (1.5 in) spread over 5 days and a humidity level of 82%. In contrast, November experiences cooler temperatures, with a minimum of -7°C (19°F), an average of 4°C (40°F), and a maximum of only 14°C (57°F). The month is significantly wetter, collecting 128 mm (5.1 in) of precipitation over 16 days and higher humidity at 93%. For more detailed insights, you can explore Sandefjord weather in November.

The weather in April and December presents a stark contrast, as April begins to welcome spring with an average temperature of 6°C (43°F), peaking at 20°C (67°F) and experiencing only 37 mm (1.5 in) of precipitation over 5 days. In contrast, December is much colder, featuring an average temperature of just 1°C (34°F) and maximums of 9°C (49°F). The month is also wetter, with a substantial 127 mm (5.0 in) of precipitation spread over 17 days, accompanied by higher humidity levels reaching 93%. For more specific details on December conditions, you can visit Sandefjord weather in December.

Compare Sandefjord's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Sandefjord

As April unfolds in Sandefjord, it brings a notable shift in weather compared to the chill of winter months. Temperatures gradually rise, reaching a comfortable maximum of 20°C (67°F), offering a refreshing break from the cold. While the air is still crisp with an average of 6°C (43°F) and the occasional frosty morning, the warmer days hint at the forthcoming spring. April also sees a modest amount of precipitation, adding to the awakening beauty of the landscape, with about 37 mm (1.5 in) of rain spread over 5 days. The humidity levels, hovering around 82%, contribute to the invigorating atmosphere, making this month a perfect prelude to the lively summer ahead. For those interested in understanding the climatic nuances, check out Sandefjord Climate.