April Weather in Grimstad, Norway

Last updated: August 27, 2025

April in Grimstad, Norway, presents a captivating blend of early spring weather, characterized by a maximum temperature of 17°C (62°F), an average of 6°C (44°F), and a chilly minimum dipping to -5°C (23°F). The month experiences a total precipitation of 38 mm (1.5 in) spread across six days, contributing to a moderately humid environment with humidity levels reaching 83%. This atmospheric condition not only marks the transition from winter’s chill to the promise of warmer days but also creates a refreshing backdrop for nature to flourish.

April Temperature in Grimstad

In April, Grimstad, Norway, begins to shed the chill of winter, with temperatures gradually rising and averaging a mild 6°C (44°F). This month marks a noticeable transition, as the minimum temperature dips to -5°C (23°F) while the maximum can reach up to 17°C (62°F), mirroring the mild days of March. As the landscape awakens from its frosty slumber, the city experiences more frequent sunny spells, inviting residents to embrace outdoor activities. This warming trend not only signals the approach of spring but also showcases the region's remarkable ability to transform as winter recedes, making April a delightful prelude to the vibrant months ahead.

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

The chart illustrates April temperature patterns in Grimstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grimstad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec363538445261646257504338
Data source: Temperature data for Grimstad 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 Grimstad

In Grimstad, Norway, April marks a noticeable shift in precipitation patterns, as the month records just 38 mm (1.5 in) of rain over approximately 6 days, showcasing a significant decline in both total rainfall and rainy days compared to the preceding months. This reduction highlights the onset of a drier spring, especially when juxtaposed with March's 97 mm (3.8 in) over 12 days. As winter recedes, April brings a welcome reprieve from the heavier downpours typical of earlier months, while still holding onto enough moisture to invigorate the budding landscape. This trend reflects the gradual transition to milder, sunnier conditions, setting the stage for the warmer months ahead.

April Precipitation Trends in Grimstad

The chart displays monthly precipitation patterns in Grimstad, 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 Grimstad, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec811039838838888101115169128152
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grimstad

In April, Grimstad, Norway, experiences a notable shift in humidity, dropping to 83% from the high levels seen in the early months of the year. This decrease reflects a gradual transition toward drier conditions as spring takes hold, following a particularly humid January (93%) and February (91%). By April, the air becomes slightly more breathable, paving the way for May's further decline to 75%. As the warmer months approach, the trend indicates a steady reduction in humidity, peaking in summer with levels around 74% in June and July, before humidity levels begin to rise again in late summer and fall. Overall, April marks a pivotal point in Grimstad’s seasonal humidity cycle, bridging the gap between the cold, damp winter and the warmer, more comfortable days of late spring and summer.

April Average Humidity in Grimstad

This chart illustrates the average monthly humidity levels in Grimstad, 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 Grimstad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Grimstad

As spring settles into Grimstad, Norway, April serves as a turning point in the UV Index, which rises to 4, indicating a moderate exposure category. This shift reflects a steady increase from the lower values of winter months, with February at 2 and March climbing to 3. In April, residents should be mindful of their sun exposure, as the burn time decreases to just 30 minutes. This trend continues into May, where UV levels spike to 6, marking the start of the high exposure category. It's crucial to stay informed and protected as the days grow longer and sunnier. For more detailed insights, check out the Grimstad UV Index.

Maximum UV Index Levels in Grimstad for April

The chart shows the monthly maximum UV Index (UVI) for Grimstad 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 Grimstad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Grimstad 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 Grimstad

In April, Grimstad, Norway, basks in the burgeoning warmth of longer days, receiving 375 hours of glorious sunshine—a delightful increase from the 287 hours recorded in March. This upward trend continues into May, where the sun shines even brighter with 437 hours, hinting at the full splendor of summer that lies just ahead. The gradual buildup of sunlight through the early months reveals not only a shift in weather patterns but also a renewed sense of vitality in the landscape. As spring unfolds, April's sunshine serves as a promising harbinger of the lush, vibrant days to come, encouraging residents and visitors alike to embrace the outdoor beauty that Norway has to offer.

Monthly Sunshine Duration in Grimstad: April Highlighted

The April sunshine duration represents the total number of hours Grimstad 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.
JanFebMarAprMayJunJulAugSepOctNovDec102h177h287h375h437h460h475h410h289h240h134h98h
Data source: Grimstad April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grimstad During April

As spring unfolds in Grimstad, Norway, April welcomes a notable increase in sunny days, with the chance of sunshine soaring to 66%. This significant rise from 47% in March signals a delightful shift towards brighter skies and longer days, creating an inviting atmosphere for outdoor activities. Interestingly, while the sun shines more frequently in April, the following months of May and June see a downturn in sunny percentages, dipping to 33% and 42%, respectively. This trend highlights April as a peak moment for enjoying the sun before the cooler months settle back in. So, if you're in Grimstad, make the most of April's sunny potential!

Percentage of Sunny Days in April in Grimstad

The chart illustrates the percentage of sunny days in Grimstad 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 Grimstad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec34%30%47%66%33%42%47%49%31%27%26%25%
Data source: Grimstad April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grimstad in April

As spring unfolds in Grimstad, Norway, April shines brightly with approximately 14 hours of daylight, marking a significant increase from the 11 hours in March. This upward trend in daylight hours is a welcome shift, as the region transitions from the depths of winter, where daylight is scarce. Following this pattern, May brings even more sunshine with 16 hours of daylight, continuing the lively march towards the summer solstice in June, when daylight peaks at 18 hours. The gradual lengthening of days not only lifts the spirits of the locals but also invites nature to burst into bloom, signaling the vibrant changes that spring heralds in this coastal town.

Average Daylight Hours in Grimstad for April

The chart illustrates the variation in daylight duration in Grimstad throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 12m9h 21m11h 52m14h 27m16h 48m18h 7m17h 24m15h 14m12h 44m10h 11m7h 49m6h 29m
Data source: Grimstad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Grimstad

In Grimstad, Norway, April brings a gentle breeze with an average wind speed of 4.5 m/s (10 mph), slightly lower than March's 4.8 m/s (11 mph). This transitional month signals a shift towards calmer conditions as the year progresses, contrasting with the stronger winds seen in the earlier winter months of January and February, where averages peaked at 4.8 m/s and 5.5 m/s, respectively. Following April, the winds continue to ease into May at 4.3 m/s, suggesting a trend of diminishing bluster as the heart of spring settles in. Interestingly, despite these softer winds, the autumn months notably spike once again, reminding us that Norway's coastal climate can be quite dynamic. Overall, the April winds in Grimstad exemplify the calm before the potential storm as the seasons change.

Average April Wind Speed in Grimstad

The chart displays monthly wind speed patterns in Grimstad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.85.54.84.5 m/s4.34.24.04.04.65.65.45.2
Data source: Grimstad April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Grimstad Compares to Other Months

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

April weather in Grimstad shows a notable warming trend compared to January, with average temperatures rising from a chilly 2°C (36°F) in January to a more pleasant 6°C (44°F) in April. While April enjoys maximum temperatures reaching up to 17°C (62°F), January peaks at only 10°C (49°F). However, precipitation is higher in January, with 81 mm (3.2 in) over 12 days, compared to April's 38 mm (1.5 in) spread over just 6 days. Additionally, humidity levels in January are slightly higher at 93%, compared to 83% in April, contributing to the colder feel of the winter month. For more detailed weather information, you can check Grimstad weather in January.

When comparing the weather in April and February, April presents a significant warming trend. The average temperature in April is 6°C (44°F), with a maximum reaching 17°C (62°F), while February's average lingers at just 2°C (35°F), peaking at 10°C (51°F). Additionally, April experiences less precipitation, with 38 mm (1.5 in) over 6 days, compared to February's 103 mm (4.0 in) spread over 13 days. However, February has a higher humidity level at 91%, slightly elevated from April's 83%. For more detailed insights on February weather, you can visit Grimstad weather in February.

In comparing the weather between March and April, it's evident that April experiences slightly milder conditions overall. While both months register similar maximum temperatures, April’s average temperature is noticeably higher at 6°C (44°F), compared to March’s 3°C (38°F). Additionally, April's minimum temperature of -5°C (23°F) is more moderate than March's colder -10°C (14°F).

Precipitation patterns also differ, with April receiving 38 mm (1.5 in) over 6 days, significantly less than March's 97 mm (3.8 in) over 12 days, leading to a drier climate in April. Humidity levels remain high in both months, though slightly lower in April at 83%, compared to March's 88%. For more detailed information about March weather, you can refer to Grimstad weather in March.

April and May showcase a distinct transition in weather patterns. April, with minimum temperatures dipping to -5°C (23°F), has an average temperature of 6°C (44°F) and a maximum of 17°C (62°F). It experiences relatively low precipitation of 38 mm (1.5 in) over 6 days, combined with high humidity at 83%. In contrast, May brings warmer temperatures, ranging from a minimum of 1°C (34°F) to an average of 11°C (52°F) and a maximum of 25°C (78°F). However, it also sees an increase in precipitation to 83 mm (3.3 in) spread over 10 days and a lower humidity level of 75%. For more insights on the weather in May, visit Grimstad weather in May.

April weather is characterized by cooler temperatures, with a minimum of -5°C (23°F) and an average of 6°C (44°F), while June enjoys warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 28°C (83°F) and an average of 16°C (61°F). In terms of precipitation, April sees about 38 mm (1.5 in) over 6 days, whereas June experiences significantly higher rainfall, totaling 88 mm (3.5 in) across 11 days. The humidity also differs, with April being more humid at 83%, while June has a lower humidity level of 74%. For a more detailed outlook, you can check Grimstad weather in June.

April and July exhibit striking contrasts in weather conditions. In April, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 17°C (62°F), with an average temperature of 6°C (44°F). The month sees around 38 mm (1.5 in) of precipitation spread over 6 days, accompanied by a high humidity level of 83%. In contrast, July offers a much warmer climate, with temperatures starting at a minimum of 9°C (49°F) and peaking at 27°C (81°F), leading to an average temperature of 18°C (64°F). However, it is also wetter, receiving 88 mm (3.5 in) of rainfall over 11 days, and a slightly lower humidity level of 74%. For a more detailed look at July weather, you can check out Grimstad weather in July.

April weather is markedly cooler and less humid compared to August. With average temperatures ranging from a chilly 6°C (44°F) to a maximum of 17°C (62°F), April experiences significant variations in temperature, while August enjoys milder conditions with averages between 16°C (62°F) and 25°C (77°F). Additionally, April sees less precipitation, tallying up to 38 mm (1.5 in) over about 6 days, whereas August receives considerably more, accumulating 101 mm (4.0 in) over 13 days. This makes August not only warmer but also wetter, although with slightly lower humidity at 78%. For a detailed look at August weather, you can visit Grimstad weather in August.

April and September present distinct weather patterns. In April, temperatures range from a chilly -5°C (23°F) to a milder high of 17°C (62°F), with an average of 6°C (44°F). The month experiences relatively low precipitation, totaling 38 mm (1.5 in) over about 6 days, and maintains high humidity levels at 83%.

In contrast, September offers a much warmer climate, with minimum temperatures around 4°C (40°F), average highs of 14°C (57°F), and peak temperatures reaching 25°C (77°F). However, this month sees significantly more rainfall, totaling 115 mm (4.5 in) over approximately 14 days, coupled with slightly higher humidity at 86%. For more details on the weather conditions, you can visit Grimstad weather in September.

April and October exhibit contrasting weather patterns despite having similar maximum temperatures. In April, temperatures range from a chilly -5°C (23°F) to a comfortable 17°C (62°F) with an average of 6°C (44°F), while October starts at 0°C (32°F) and averages 10°C (50°F). April experiences relatively low precipitation at 38 mm (1.5 in) over just 6 days, whereas October sees a significant increase in rainfall, totaling 169 mm (6.7 in) across 15 days, contributing to higher humidity levels of 92%. For more details about October weather, you can check Grimstad weather in October.

April and November exhibit notable differences in weather conditions despite their similar average temperatures. In April, the average temperature reaches 6°C (44°F), with a maximum of 17°C (62°F), and the month typically experiences only six days of precipitation totaling 38 mm (1.5 in). Conversely, November, characterized by a cooler maximum temperature of 14°C (58°F) and a slightly lower minimum of -6°C (22°F), sees significantly more rainfall, accumulating 128 mm (5.1 in) over 16 days. Additionally, humidity levels are higher in November at 92%, compared to April's 83%, contributing to a more overcast and damp atmosphere. For more detailed insights into November weather, visit Grimstad weather in November.

April and December showcase striking contrasts in weather. In April, temperatures begin to rise, with averages around 6°C (44°F) and a maximum of 17°C (62°F), offering a glimpse of spring after the cold winter months. The month sees about 38 mm (1.5 in) of precipitation over just six days, with humidity levels at 83%. Conversely, December is much colder, with average temperatures plummeting to 3°C (38°F) and a maximum of only 11°C (53°F). The month is characterized by significantly higher precipitation, totaling 152 mm (6.0 in) over 19 days, and humidity levels reaching 92%. For more detailed information, check out Grimstad weather in December.

Compare Grimstad's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Grimstad

April in Grimstad brings a notable transition from the chill of winter to the hint of warmth in spring. With average temperatures rising to a refreshing 6°C, the month showcases a blend of cool days and the occasional spike to 17°C, marking a significant shift in the climate. However, it's also a time when the region experiences slightly higher humidity and frequent rain, leading to about 38 mm of precipitation over six days. This combination of factors makes April distinct, setting the stage for the blossoming beauty of May. For more insights into Grimstad's weather patterns, visit Grimstad Climate.