April Weather in Grundarfjoerdur, Iceland

Last updated: March 17, 2025

In April, Grundarfjörður, Iceland, showcases a dynamic weather profile characterized by a maximum temperature reaching up to 10°C (51°F) and an average of 3°C (38°F), while lows can dip to a chilly -7°C (20°F). With precipitation totaling 105 mm (4.1 in) across approximately 17 days, the month brings a mix of rain and possibly snow, enveloping the landscape in a nurturing yet brisk atmosphere. An impressive humidity level of 86% contributes to the freshness of the air, making April a month of vibrant transitions as the region moves from winter's grasp into the hints of spring.

April Temperature in Grundarfjoerdur

In April, Grundarfjörður, Iceland, begins to show signs of spring with temperatures gradually rising. The average temperature reaches 3°C (38°F), marking a notable increase from the winter months. With minimums dipping to -7°C (20°F) and maximums climbing to 10°C (51°F), April offers a transitional climate that hints at the warmth to come. This month is characterized by a gentle thaw, making it a delightful time to experience the awakening beauty of Iceland's landscapes, while still maintaining a crispness in the air that adds to its charm. As the cold retreats, hints of greenery start to emerge, inviting visitors to embrace the changes in this breathtaking region.

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

The chart illustrates April temperature patterns in Grundarfjoerdur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec343435384247505147433836
Data source: Temperature data for Grundarfjoerdur 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 Grundarfjoerdur

April marks a significant moment in Grundarfjörður, Iceland, as it experiences a rainfall total of 105 mm (4.1 in) over 17 days, showcasing a transition toward milder spring conditions. This precipitation figure is slightly above average compared to the preceding months, with only February exceeding it in this early spring period. As the days grow longer and temperatures rise, April's rainfall contributes to the lush rejuvenation of the landscape, setting a vibrant backdrop for the gradual thaw. Interestingly, the consistent pattern of precipitation this winter, with January to March hovering around 90-106 mm, suggests a stable wet season that paves the way for the lighter, drier months approaching summer.

April Precipitation Trends in Grundarfjoerdur

The chart displays monthly precipitation patterns in Grundarfjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9510690105806274731591018791
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Grundarfjoerdur

In April, Grundarfjörður experiences a slight dip in humidity, measuring at 86%, down from the 90% in March. This marks a subtle transition into spring, as the trend reveals a gradual decrease from the winter months when humidity levels hover above 89%. Following April, humidity levels make a small rebound in May to 87%, suggesting a consistent maritime influence that keeps the coastal air moist throughout the year. Overall, the data showcases a relatively stable humidity range, typical of Iceland's coastal climate, with only minor fluctuations that hint at the shifting seasons.

April Average Humidity in Grundarfjoerdur

This chart illustrates the average monthly humidity levels in Grundarfjoerdur, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%86%87%85%88%89%89%88%87%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Grundarfjoerdur

As April arrives in Grundarfjoerdur, Iceland, the UV Index sees a noticeable uptick, rising to 3 and marking a transition into the moderate exposure category. This increase indicates that while the risk of harm from unprotected sun exposure is still manageable, awareness is crucial as burn time decreases to 30 minutes. Compared to the earlier months of the year, where UV levels remain low, April signals the onset of longer days and more intense sunlight, paving the way for increased outdoor activities. With May's UV Index peaking at 5, it's essential for residents and visitors alike to stay informed and take necessary precautions to protect their skin. For a comprehensive look at UV levels throughout the year, check the Grundarfjoerdur UV Index.

Maximum UV Index Levels in Grundarfjoerdur for April

The chart shows the monthly maximum UV Index (UVI) for Grundarfjoerdur 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.
JanFebMarAprMayJunJulAugSepOctNovDec112355543211
Data source: Grundarfjoerdur 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 Grundarfjoerdur

As April arrives in Grundarfjörður, Iceland, a remarkable transformation in daylight unfolds, bringing an invigorating 228 hours of sunshine—a significant increase from the 190 hours enjoyed in March. This surge signals the start of the vibrant spring season, setting the stage for the epitome of daylight that May brings, with 343 hours of radiant sunlight. The growing hours of sunshine not only enhance the natural beauty of this coastal town but also invite both locals and travelers alike to partake in outdoor adventures. As the summer months approach, the sun-soaked days peak, gradually transitioning into the mellow light of autumn. The contrast between the long, bright days of midsummer and the fleeting hours of winter is striking, emphasizing the unique rhythm of life in this stunning Icelandic locale.

Monthly Sunshine Duration in Grundarfjoerdur: April Highlighted

The April sunshine duration represents the total number of hours Grundarfjoerdur 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.
JanFebMarAprMayJunJulAugSepOctNovDec25h81h190h228h343h311h298h268h179h125h56h17h
Data source: Grundarfjoerdur April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grundarfjoerdur During April

In April, Grundarfjöður, Iceland, experiences a 25% chance of sunny weather, which offers a modest improvement over the cloudier months of January and February. While the likelihood dips to 14% in both March and July, it noticeably picks up as spring transitions into summer, with May boasting nearly double that chance at 48%. This upward trend indicates that as April unfolds, residents and visitors alike can begin to anticipate sunnier days ahead, setting the stage for a brighter and more vibrant May. However, as the seasons shift, June and July bring a slight decrease again, reminding us of Iceland's capricious weather patterns.

Percentage of Sunny Days in April in Grundarfjoerdur

The chart illustrates the percentage of sunny days in Grundarfjoerdur 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 Grundarfjoerdur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%19%14%25%48%24%14%14%14%21%21%25%
Data source: Grundarfjoerdur April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grundarfjoerdur in April

As April arrives in Grundarfjörður, Iceland, the days grow considerably longer, bringing with them a refreshing increase in daylight that stretches to 15 hours. This upward trend is part of a remarkable transition from the deep, winter months, where January offers merely 5 hours of light. Each month leading up to April showcases a steady gain, moving from 8 hours in February and 11 hours in March, culminating in this significant leap. As nature awakens and the landscape bursts into life, the extended daylight not only brightens the town but also heralds the approach of summer, where May and June will dazzle with 18 and even 21 hours of daylight, respectively. This gradual escalation in light provides a vital connection to the rhythms of Icelandic life and the vibrant beauty of its spring season.

Average Daylight Hours in Grundarfjoerdur for April

The chart illustrates the variation in daylight duration in Grundarfjoerdur throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 10m8h 25m11h 49m15h 17m18h 50m21h 31m19h 55m16h 24m12h 57m9h 33m6h 9m3h 52m
Data source: Grundarfjoerdur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Grundarfjoerdur

In April, Grundarfjörður experiences a gentle shift in its winds, with an average speed of 6.1 m/s (14 mph), marking a notable decline from the brisk gusts of the preceding months. This slight decrease from March's 8.0 m/s reflects the gradual transition into spring, where the winds become milder, paving the way for longer, sunnier days. As the season progresses towards May, wind speeds continue to dip slightly to 5.9 m/s (13 mph), indicating a trend of calming breezes that contrast with the stronger gales typical of the earlier winter and autumn months. This change invites residents and visitors alike to enjoy the serene beauty of the Icelandic landscape, making April a delightful time to experience the charm of Grundarfjörður under its softer spring skies.

Average April Wind Speed in Grundarfjoerdur

The chart displays monthly wind speed patterns in Grundarfjoerdur, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.27.08.06.1 m/s5.96.15.44.27.98.67.07.1
Data source: Grundarfjoerdur April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Grundarfjoerdur Compares to Other Months

The weather in Grundarfjoerdur changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Grundarfjoerdur and find detailed weather information for every month.

April tends to be slightly warmer than January, with average temperatures rising from 1°C (34°F) in January to 3°C (38°F) in April. However, both months experience chilly conditions, with January having minimum temperatures of -6°C (21°F) compared to April's lows of -7°C (20°F). Precipitation is relatively similar, with April receiving 105 mm (4.1 in) over 17 days, while January sees 95 mm (3.7 in) across 16 days. Humidity levels are also quite close, with January at 89% and April at 86%, creating a notably damp atmosphere during both months. For more details about weather conditions during January, you can visit the following link: Grundarfjoerdur weather in January.

April and February present a contrast in temperatures and weather patterns in Grundarfjörður. In April, the minimum temperature stays the same as February at -7°C (20°F), but the average temperature rises slightly to 3°C (38°F), with a maximum of 10°C (51°F). Meanwhile, February has a cooler average temperature of 1°C (34°F) and a maximum of 7°C (45°F). Both months experience similar levels of precipitation, with April receiving 105 mm (4.1 in) over 17 days and February close behind with 106 mm (4.2 in) over 18 days. Humidity remains high in both months, with April at 86% and February at 89%. For a more detailed look at February weather, you can visit Grundarfjoerdur weather in February.

April's weather shows a slight improvement compared to March, with an increase in average temperature from 1°C (35°F) in March to 3°C (38°F) in April. The maximum temperature in April rises to 10°C (51°F), up from March's maximum of 7°C (45°F). Precipitation also increases slightly in April, totaling 105 mm (4.1 in) over 17 days, compared to March’s 90 mm (3.5 in) across 16 days. Despite these changes, April remains quite humid, with average humidity at 86%, just slightly lower than March's 90%. For a more detailed look at March weather specifics, you can visit Grundarfjoerdur weather in March.

April and May present a noticeable shift in weather conditions. In April, temperatures can dip as low as -7°C (20°F), with an average of 3°C (38°F) and a maximum of 10°C (51°F). The month is quite wet, experiencing 105 mm (4.1 in) of precipitation over 17 days and maintaining a high humidity level of 86%. In contrast, May brings milder weather, with temperatures ranging from a minimum of -1°C (31°F) to an average of 6°C (42°F) and a peak of 12°C (53°F). Precipitation decreases slightly to 80 mm (3.1 in) over 14 days, and humidity remains relatively high at 87%. For a closer look, check out the detailed information on Grundarfjoerdur weather in May.

April and June showcase a noticeable shift in weather patterns. In April, temperatures range from a chilly -7°C (20°F) to a maximum of 10°C (51°F), with an average of just 3°C (38°F). The month sees significant precipitation, totaling 105 mm (4.1 in) over 17 days, coupled with a high humidity level of 86%. In contrast, June offers milder conditions, with temperatures starting at a minimum of 3°C (38°F) and peaking at 14°C (58°F), averaging 8°C (47°F). Precipitation decreases to 62 mm (2.4 in) spread over 13 days, and the humidity remains relatively similar at 85%. For those interested in more details, you can check Grundarfjoerdur weather in June.

In April, the weather in Grundarfjörður is notably cooler, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 10°C (51°F), and an average temperature of 3°C (38°F). This month experiences significant precipitation, totaling 105 mm (4.1 in) over approximately 17 days, coupled with high humidity levels at 86%.

In contrast, July sees a more moderate climate, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 16°C (62°F), and an average of 10°C (51°F). Precipitation decreases to 74 mm (2.9 in) spread over 14 days, while humidity remains slightly elevated at 88%. For more detailed information, you can check Grundarfjoerdur weather in July.

When comparing the weather in April and August, there are notable differences in temperature and precipitation. In April, temperatures range from a chilly minimum of -7°C (20°F) to a maximum of 10°C (51°F), with an average of only 3°C (38°F). The month experiences significant precipitation, totaling 105 mm (4.1 in) across 17 days, and the humidity remains high at 86%. In contrast, August brings milder temperatures, with a minimum of 6°C (43°F) and a maximum of 16°C (60°F), resulting in a higher average of 10°C (51°F). Although August sees less precipitation at 73 mm (2.9 in) over 13 days, the humidity is slightly higher at 88%. This makes August a more temperate month, suitable for outdoor activities. For more details, you can explore the Grundarfjoerdur weather in August.

April and September present quite distinct weather patterns. In April, temperatures range from a minimum of -7°C (20°F) to a maximum of 10°C (51°F), with an average of 3°C (38°F). The month experiences significant precipitation, totaling 105 mm (4.1 in) over 17 days, with a high humidity level of 86%. In contrast, September sees slightly warmer temperatures, with a minimum of 2°C (36°F), an average of 8°C (48°F), and a maximum of 13°C (56°F). This month is wetter, with total precipitation reaching 159 mm (6.3 in) over 18 days and humidity at a comparable 89%. For a more detailed look at September weather, check out Grundarfjoerdur weather in September.

April and October in Grundarfjörður showcase similar temperatures, with average highs reaching 10°C (50°F) in both months. However, April tends to be chillier overall, featuring a minimum temperature of -7°C (20°F), compared to October's milder minimum of -1°C (31°F). Humidity levels are slightly higher in October at 88%, compared to April's 86%. Both months experience comparable precipitation, with April receiving 105 mm (4.1 in) over 17 days and October slightly less at 101 mm (4.0 in) over 18 days. For more specific information about October weather, check out Grundarfjoerdur weather in October.

When comparing the weather in April and November, we find that both months have similar average temperatures, hovering around 3°C (38°F) with maximums reaching 10°C (51°F). However, April experiences colder minimum temperatures, dipping as low as -7°C (20°F), while November's minimum is milder at -3°C (27°F). Precipitation is slightly higher in April, with 105 mm (4.1 in) over 17 days compared to November's 87 mm (3.4 in) over 15 days. Additionally, both months boast high humidity levels, with April at 86% and November close behind at 87%. For more detailed information, you can check Grundarfjoerdur weather in November.

April and December in Grundarfjörður present a somewhat similar climate, though with notable differences in temperature and precipitation. In April, temperatures range from a chilly -7°C (20°F) to a mild 10°C (51°F), with an average of 3°C (38°F). The month experiences around 105 mm (4.1 in) of precipitation over 17 days, coupled with high humidity levels at 86%. In contrast, December offers slightly milder temperatures, with a minimum of -5°C (23°F) and a maximum of 9°C (48°F), averaging 2°C (36°F). Precipitation in December is a bit lower at 90 mm (3.6 in) over 16 days, and humidity remains slightly elevated at 87%. Overall, while both months showcase cold and damp conditions typical of the region, April tends to be a bit wetter and colder compared to December. For more details on the weather in December, you can visit Grundarfjoerdur weather in December.

Compare Grundarfjoerdur's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Grundarfjoerdur

As April ushers in a transitional phase in Grundarfjörður, the temperatures start to rise but remain brisk compared to the milder summer months ahead. With an average temperature around the freezing mark and notable precipitation over roughly half the days in the month, the weather remains unpredictable and damp. Humidity peaks at 86%, contributing to a distinct chill that lingers, making it feel cooler than the mercury suggests. Unlike the long, sunlit days of summer, April still carries the remnants of winter, showcasing the region’s dramatic climate shifts. For more insights on the weather patterns throughout the year, visit Grundarfjoerdur Climate.