April Weather in Reykjanesbaer, Iceland

Last updated: March 17, 2025

April in Reykjanesbær, Iceland brings a dynamic blend of weather elements, as temperatures fluctuate from a chilly minimum of -7°C (20°F) to a pleasant maximum of 11°C (52°F), averaging around 5°C (41°F). The month is characterized by high humidity (80%) and significant rainfall, with 133 mm (5.2 in) of precipitation spread over 18 days. This combination creates a vibrant atmosphere, making April a transitional month where spring begins to emerge amidst lingering winter chill. Visitors can expect a mix of crisp air and occasional showers, perfect for experiencing the unique beauty of this coastal region.

April Temperature in Reykjanesbaer

As April unfolds in Reykjanesbaer, Iceland, the spring transition is palpable, marking a shift from the harsh winter chill. With a minimum temperature of -7°C (20°F) and an average rising to 5°C (41°F), residents and visitors alike start to experience more moderate conditions. The mercury occasionally peaks at 11°C (52°F), hinting at the warmth to come in the following months. Compared to the preceding months, April’s temperatures reflect a notable increase, bringing a refreshing change and a hint of the vibrant growth that accompanies longer daylight hours. This gradual warming trend is complemented by the melting snows, making way for the beauty of Icelandic springtime and inviting outdoor adventures.

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

The chart illustrates April temperature patterns in Reykjanesbaer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353636404448525248433836
Data source: Temperature data for Reykjanesbaer 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 Reykjanesbaer

In April, Reykjanesbaer experiences a notable uptick in precipitation, with 133 mm (5.2 in) recorded—a peak for the early spring months. This increase contrasts with the 110 mm (4.3 in) noted in March, highlighting a trend towards wetter conditions as winter transitions into spring. With precipitation spread over 18 days, April retains a consistent frequency of rainfall, similar to March but slightly more abundant. As the days gradually lengthen and temperatures begin to rise, this trend suggests that Reykjanesbaer's vibrant landscape is not only well-watered but also primed for the lushness that follows in the coming months.

April Precipitation Trends in Reykjanesbaer

The chart displays monthly precipitation patterns in Reykjanesbaer, 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.
JanFebMarAprMayJunJulAugSepOctNovDec117126110133115877889171119119119
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Reykjanesbaer

In April, Reykjanesbær experiences a humidity level of 80%, which aligns closely with the averages seen in the surrounding months. Following the peak of 82% in March, April's humidity indicates a slight stabilization before the trend shifts upwards in May and continues to climb through the summer months, reaching a peak of 88% in August. This pattern suggests a gradual increase in moisture as spring transitions into summer, highlighting the region's characteristic maritime climate. With consistent levels hovering around 80% to 85% from winter through spring, residents and visitors can expect a brisk and refreshingly humid atmosphere during this time.

April Average Humidity in Reykjanesbaer

This chart illustrates the average monthly humidity levels in Reykjanesbaer, 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.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%82%80%85%85%87%88%85%85%81%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Reykjanesbaer

As spring unfolds in Reykjanesbaer, Iceland, the UV Index climbs to 3 in April, marking a shift from the low levels experienced during winter months. This moderate exposure indicates that while prolonged sun exposure is still manageable, caution is advised, particularly as burn time decreases to 30 minutes. The gradual increase in UV rays foreshadows the sunnier days ahead, setting the stage for May's UV Index of 5 and a further embrace of summer sun. This trend highlights the importance of skin protection as we transition from the colder months. For more detailed information on UV radiation levels throughout the year, visit Reykjanesbaer UV Index.

Maximum UV Index Levels in Reykjanesbaer for April

The chart shows the monthly maximum UV Index (UVI) for Reykjanesbaer 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.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Reykjanesbaer 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 Reykjanesbaer

April marks a delightful transition in Reykjanesbær, Iceland, as the sun begins to shine more brightly, offering 214 hours of sunlight — a significant increase from 195 hours in March. This upward trend continues into the following months, with May soaring to 344 hours, showcasing the vibrant bloom of spring. As winter fades, the gradual increase in daylight is not only a relief from the long, dark months but also a precursor to the sun-drenched days of summer, where June and July maintain impressive totals of 338 and 312 hours, respectively. By embracing the April sunshine, locals and travelers alike can revel in the awakening of nature, setting the stage for a glorious summer ahead in this captivating region.

Monthly Sunshine Duration in Reykjanesbaer: April Highlighted

The April sunshine duration represents the total number of hours Reykjanesbaer 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.
JanFebMarAprMayJunJulAugSepOctNovDec42h90h195h214h344h338h312h294h207h146h79h28h
Data source: Reykjanesbaer April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Reykjanesbaer During April

As April arrives in Reykjanesbær, the likelihood of sunny weather shows a welcome increase, with a 26% chance of sun. This marks a notable rebound from the gloomier months of January, February, and March, where the sun’s appearance was quite rare, peaking at a mere 29% in January. Following April, the chances continue to climb, reaching a delightful 49% in May, effectively heralding the onset of summer. Although the sunny days become less frequent during the summer months of June and beyond, April stands out as a transitional month, offering a glimmer of hope for those seeking brighter skies after a long winter.

Percentage of Sunny Days in April in Reykjanesbaer

The chart illustrates the percentage of sunny days in Reykjanesbaer 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 Reykjanesbaer experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%18%15%26%49%18%13%12%15%26%22%20%
Data source: Reykjanesbaer April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Reykjanesbaer in April

As winter fades away in Reykjanesbaer, Iceland, April marks a significant transition in daylight, basking in 15 hours of sun. This increase from 11 hours in March showcases the region's dramatic shift toward longer days, a precursor to the 18 hours that May will bring. The steady rise in daylight hours reflects the approach of summer, allowing residents and visitors alike to relish more time outdoors. From a mere 5 hours of daylight in January, the journey toward the summer solstice culminates in 20 hours of brightness in June, underscoring the profound impact of Iceland's unique geographical position on its daylight patterns. Each month contributes to an electrifying buildup, seamlessly moving from the stark winter months to the vibrant, sun-soaked days of summer.

Average Daylight Hours in Reykjanesbaer for April

The chart illustrates the variation in daylight duration in Reykjanesbaer throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 34m8h 35m11h 50m15h 8m18h 26m20h 42m19h 24m16h 11m12h 55m9h 40m6h 28m4h 24m
Data source: Reykjanesbaer daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Reykjanesbaer

As April unfolds in Reykjanesbær, Iceland, the winds begin to ease after the brisk winter months, with average wind speeds dropping to 6.2 m/s (14 mph). This marks a notable decline from the previous months of January through March, which consistently hovered around 7.2 m/s (16 mph) and above. The transition into spring brings a gentler breeze, signalling a departure from the winter's relentless gusts. Following this trend, the winds will continue to mellow as the year progresses, with May expected to experience an even calmer atmosphere at 5.0 m/s (11 mph). This gradual reduction not only enhances the scenic charm of Reykjanesbær in spring but also invites outdoor enthusiasts to fully enjoy the stunning landscapes without the interference of harsh winds.

Average April Wind Speed in Reykjanesbaer

The chart displays monthly wind speed patterns in Reykjanesbaer, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.87.27.26.2 m/s5.05.85.14.87.26.87.16.5
Data source: Reykjanesbaer April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Reykjanesbaer Compares to Other Months

The weather in Reykjanesbaer 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 Reykjanesbaer and find detailed weather information for every month.

When comparing the weather in April and January, both months feature chilly temperatures, but April tends to be slightly warmer. In April, the minimum temperature can drop to -7°C (20°F) while averaging around 5°C (41°F) and peaking at 11°C (52°F). In contrast, January has minimum temperatures around -6°C (22°F), with an average of 2°C (36°F) and a maximum of 9°C (49°F). Both months experience considerable precipitation, with April receiving 133 mm (5.2 in) over 18 days compared to January's 117 mm (4.6 in) spread over 17 days. Humidity remains constant at 80% in both months. For more details on January weather, you can check out this link: Reykjanesbaer weather in January.

April generally experiences milder temperatures compared to February, with minimums of -7°C (20°F) and an average of 5°C (41°F) versus February's minimum of -9°C (16°F) and average of 2°C (36°F). The maximum temperatures in April reach 11°C (52°F), while February peaks at 8°C (47°F). Both months see significant precipitation, with April receiving slightly more at 133 mm (5.2 in) over 18 days compared to February's 126 mm (5.0 in) over 19 days. Humidity levels are also slightly higher in April at 80%, compared to February's 77%. For more detailed weather information, you can visit Reykjanesbaer weather in February.

In comparing the weather between March and April, April tends to be slightly warmer, with average temperatures rising from 2°C (37°F) in March to 5°C (41°F) in April. While both months experience similar minimum temperatures, April's maximum temperature reaches up to 11°C (52°F), compared to March's 8°C (47°F). Precipitation remains relatively high in both months, with April receiving 133 mm (5.2 in) over 18 days and March totaling 110 mm (4.3 in) across the same number of days. Humidity levels are marginally lower in April at 80% compared to 82% in March, making April feel a bit more comfortable. For more detailed insights, check out Reykjanesbaer weather in March.

In comparing the weather conditions of April and May, we observe a gradual warming trend. April experiences cooler temperatures with a minimum of -7°C (20°F) and an average of 5°C (41°F), while May sees a minimum of 0°C (33°F) and an average of 7°C (44°F). The maximum temperatures are slightly higher in May, reaching 12°C (54°F) compared to April's 11°C (52°F). Precipitation is also slightly lower in May, with 115 mm (4.5 in) over 16 days compared to April's 133 mm (5.2 in) over 18 days. Humidity remains relatively high in both months, with April at 80% and May at 85%. For a detailed look at May's climate, check out Reykjanesbaer weather in May.

April and June showcase distinct differences in weather patterns. In April, temperatures range from a chilly -7°C (20°F) to a mild 11°C (52°F), with an average temperature of 5°C (41°F). This month experiences considerable precipitation, totaling 133 mm (5.2 in) over 18 days, and humidity levels remain high at 80%. In contrast, June sees a noticeable warming trend, with minimum temperatures around 4°C (39°F) and maximums reaching 15°C (60°F), resulting in an average of 9°C (48°F). Precipitation decreases to 87 mm (3.4 in) spread over 15 days, while humidity remains slightly elevated at 85%. For more detailed information on June weather, you can visit Reykjanesbaer weather in June.

April and July exhibit distinct weather patterns, reflecting the transition from early spring to mid-summer. In April, temperatures can dip as low as -7°C (20°F), with an average of 5°C (41°F) and a maximum of 11°C (52°F). The month is characterized by high precipitation, totaling 133 mm (5.2 in) over 18 days, and humidity levels around 80%. In contrast, July brings milder temperatures, with a minimum of 6°C (43°F) and a maximum reaching 19°C (66°F), averaging at 11°C (52°F). While July experiences less precipitation at 78 mm (3.1 in) over the same number of days, humidity rises slightly to 87%. For more detailed insights regarding July weather, check out Reykjanesbaer weather in July.

In comparing the weather between April and August, we see notable differences in both temperature and precipitation. April experiences colder temperatures, with a minimum of -7°C (20°F) and an average of 5°C (41°F), while August offers milder conditions, starting at a minimum of 7°C (45°F) and averaging 11°C (52°F). Precipitation levels are higher in April, reaching 133 mm (5.2 in) over 18 days, compared to August’s 89 mm (3.5 in) over 13 days. Additionally, humidity levels remain high in both months, with April at 80% and August slightly higher at 88%. For more specific details about August weather, you can check Reykjanesbaer weather in August.

April and September present contrasting weather patterns, showcasing the transition between winter and autumn. In April, temperatures range from a chilly -7°C (20°F) at night to a mild 11°C (52°F) during the day, with an average of 5°C (41°F). The month sees considerable precipitation, totaling 133 mm (5.2 in) across 18 days, and a humidity level of 80%. In comparison, September experiences slightly warmer conditions with temperatures dipping to a minimum of 1°C (34°F) and peaking at 13°C (56°F), resulting in an average temperature of 9°C (48°F). This month is wetter, with 171 mm (6.7 in) of rain over 21 days and a slightly higher humidity of 85%. For those interested in more specific details, please refer to Reykjanesbaer weather in September.

April and October in Reykjanesbaer exhibit similar trends in temperature and precipitation, yet they reflect the transition between winter and fall. In April, temperatures range from a chilly -7°C (20°F) to a mild 11°C (52°F), with an average of 5°C (41°F) and a significant 133 mm (5.2 in) of precipitation over 18 days, coupled with a humidity level of 80%. In contrast, October sees slightly milder temperatures, ranging from -1°C (30°F) to 12°C (53°F), with an average of 6°C (44°F) and a bit less precipitation at 119 mm (4.7 in) over the same number of days, though humidity rises slightly to 85%. For those interested in more detailed weather patterns for October, please visit Reykjanesbaer weather in October.

April and November in Reykjanesbaer offer a glimpse into the transitional weather of Iceland, though they possess their unique characteristics. April sees slightly colder temperatures, with minimums reaching -7°C (20°F) and an average of 5°C (41°F), while November is milder, with minimums at -4°C (25°F) and an average temperature of 4°C (39°F). Both months experience about 18 days of precipitation, but April tends to be wetter, receiving 133 mm (5.2 in) compared to November's 119 mm (4.7 in). Humidity remains high in both months, hovering around 80% in April and slightly higher at 81% in November, contributing to the cool and damp atmosphere. For more details, you can visit Reykjanesbaer weather in November.

In comparing the weather between April and December, both months exhibit quite similar temperatures, with April averaging 5°C (41°F) and December slightly cooler at 2°C (37°F). The minimum temperatures are comparable, reaching lows of -7°C (20°F) in April and -6°C (21°F) in December. Precipitation levels are also close, with April receiving 133 mm (5.2 in) over 18 days and December experiencing 119 mm (4.7 in) across the same number of days. Interestingly, both months maintain a humidity level of 80%, which adds a consistent chill to the air. For those curious about what to expect in December, detailed information can be found at Reykjanesbaer weather in December.

Compare Reykjanesbaer's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Reykjanesbaer

As April unfolds in Reykjanesbaer, the weather begins to transition from the harsh grip of winter to the more temperate conditions of spring. While temperatures still linger at the lower end of the spectrum, with chilly mornings and mild afternoons, the notable increase in humidity and frequent precipitation marks a shift in the season. Compared to the colder months, April offers a more dynamic climate, although it does remain relatively damp, with rain making an appearance on nearly 18 days of the month. This blend of cool temperatures and persistent moisture, combined with the gradual lengthening of daylight, sets the stage for a vibrant spring awakening. For a more detailed insight into the weather patterns throughout the year, visit Reykjanesbaer Climate.