Last updated: March 17, 2025
In April, Reykjavik experiences a fascinating transition from winter to spring, with maximum temperatures reaching 14°C (57°F) and an average of 4°C (40°F). However, temperatures can dip as low as -8°C (17°F), reminding visitors of its northern climate. This month is characterized by 121 mm (4.8 in) of rainfall spread over 18 days, resulting in a high humidity level of 87%. Prepare for changeable weather that invites adventurers to explore the beauty of Iceland's capital while packing appropriately for occasional showers and brisk conditions.
In April, Reykjavik begins to shake off the winter chill, with temperatures gradually warming as spring approaches. The month starts with a minimum of -8°C (17°F), a noticeable improvement from the colder depths of winter, and transitions to an average of 4°C (40°F). The maximum temperatures reach a comfortable 14°C (57°F), inviting the city's residents and visitors to enjoy outdoor activities amidst the awakening landscape. This shift marks a significant rise compared to previous months, reflecting a broader trend of milder weather that heralds the arrival of summer. As the days lengthen, Reykjavik’s charm shines through, making April a refreshing time to experience the beauty of Iceland’s capital.
April in Reykjavik typically brings a noteworthy 121 mm (4.8 in) of precipitation, making it one of the wetter months as spring begins to emerge. With rain falling on 18 days throughout the month, residents and visitors can expect a variety of weather conditions, reflecting the unpredictable charm of Icelandic spring. This amount of precipitation is slightly lower than the snow-heavy months of January and February, yet remains consistent with the wet, evolving atmosphere leading into the summer months. Interestingly, while April sees a dip in precipitation compared to the peak rainfall in September (164 mm or 6.5 in), it remains a vital month for replenishing the area's lush landscapes, marking a transitional phase in Reykjavik's climatic pattern.
In April, Reykjavik experiences a notable shift in humidity, dropping to 87% from the higher levels of the winter months. This decline marks the transition from the frigid depths of winter, where humidity hovers around 96% in January, to a more moderate spring atmosphere. As the city emerges from the cold, humidity gradually decreases further into May at 85%, signaling the approach of the warmer summer months. This subtle decrease in moisture reflects the changing seasons, allowing for a refreshing freshness in the air that characterizes Reykjavik's spring. Despite the drop, April's humidity remains relatively high compared to later summer months, ensuring that the city's unique landscape continues to flourish.
As April unfolds in Reykjavik, Iceland, residents and visitors can expect an increase in UV radiation compared to the previous months. With a UV Index of 3, categorized as moderate, this month marks a notable shift from the low levels seen in the winter. The burn time for unprotected skin decreases to 30 minutes, indicating a growing need for sun protection as longer daylight hours lead to more sun exposure. This trend continues into May with an even higher UV Index of 5, suggesting that those planning outdoor activities should stay informed and prepared. To find out more about monthly UV trends and to plan your activities wisely, check out the detailed information at Reykjavik UV Index.
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As April rolls into Reykjavik, the city emerges from the long, dark winter, greeted by a remarkable surge of sunshine that delights both locals and visitors alike. With 211 hours of sunlight gracing the month, April serves as a vibrant transition into a brighter season, showcasing an impressive increase from 186 hours in March. This upward trend continues as spring unfolds, leading into May, where the sun shines even more generously with 337 hours. The contrast with January’s mere 32 hours is striking, highlighting how daylight gradually returns, inviting the community outdoors to enjoy the awakening landscape. April's sunlight not only marks the lengthening days but also symbolizes the rejuvenation of life in Iceland, making it an ideal time to embrace the natural beauty of this captivating island.
As spring approaches in Reykjavik, the likelihood of sunny weather in April shows a moderate uptick, with a 25% chance of sunshine compared to the dismal 14% in March. This increase suggests that after a long winter, residents and visitors alike can start to enjoy more pleasant days as the season changes. While the sun's presence in April is still far from guaranteed, it marks a noticeable improvement as we move closer to May, which boasts a 46% chance of sunnier skies. This trend highlights a gradual transition, not just in weather patterns but also in the spirit of the city, as warmer days start to breathe life back into the landscape.
As April unfolds in Reykjavik, Iceland, the days grow brighter and longer, marking a significant shift from the deep winter months. With daylight extending to an impressive 15 hours, residents and visitors alike revel in the increasing warmth and light that this spring month brings. This upward trend in daylight began in January with only 5 hours and has steadily climbed, showcasing a remarkable leap of 4 hours just since March. As nature awakens, the vibrant landscapes are bathed in sunlight, encouraging outdoor adventures and the celebration of life amidst blooming flora. With each passing month leading into summer, Iceland's daylight hours promise to further enchant, peaking in June at 20 hours before gradually tapering back as autumn approaches.
As April rolls into Reykjavik, the winds begin to soften, with an average speed of 4.1 m/s (9 mph), marking a gentle decline from the brisk March winds. This trend of decreasing wind speeds continues into May, where the average dips to 3.4 m/s (8 mph), hinting at a transition towards the calmer summer months ahead. Interestingly, April's winds are quite moderate compared to the more vigorous gusts typical of late winter and early spring, yet they still provide a refreshing bite that is characteristic of Iceland. Looking ahead, the winds will pick up again by September, but for now, April offers a serene moment to appreciate the beauty of Reykjavik as it shakes off the chill of winter.
The weather in Reykjavik 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 Reykjavik and find detailed weather information for every month.
April and January weather in Reykjavik display notable differences, particularly in temperature and humidity. April experiences a milder average temperature of around 4°C (40°F), with maximums reaching 14°C (57°F), while January is cooler, averaging 0°C (32°F) and peaking at 10°C (50°F). Despite April's slightly higher precipitation of 121 mm (4.8 in) over 18 days, January is not far behind with 113 mm (4.5 in) across 16 days. Humidity levels are higher in January at 96%, compared to 87% in April, contributing to a different feel in the air. For a more detailed look at January weather, check Reykjavik weather in January.
April and February present stark contrasts in weather patterns. In April, temperatures begin to rise, with a minimum of -8°C (17°F) and an average of 4°C (40°F) compared to February's colder minimum of -18°C (-1°F) and an average of 0°C (33°F). While both months experience similar precipitation levels—121 mm (4.8 in) in April and 125 mm (4.9 in) in February—the humidity in February is noticeably higher at 95%, as opposed to April's 87%. This leads to quite a different feel, as April invites the promise of spring while February's chill lingers. For a deeper insight into February's climate, you can check out Reykjavik weather in February.
April's weather in Reykjavik shows a noticeable improvement compared to March. The minimum temperature rises from -13°C (9°F) in March to -8°C (17°F) in April, while the average temperature increases from 1°C (34°F) to 4°C (40°F), and the maximum temperature reaches a pleasant 14°C (57°F). Despite April having slightly more precipitation at 121 mm (4.8 in) compared to March's 103 mm (4.1 in), both months experience precipitation over the same number of days, at 18. Additionally, while March has a higher humidity level at 94%, April's humidity remains relatively high at 87%, indicating that both months are quite damp. For more details on March weather, you can visit Reykjavik weather in March.
April and May present a noticeable transition in weather, with May generally being milder and slightly drier. In April, temperatures range from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). The month sees significant precipitation, totaling 121 mm (4.8 in) over 18 days, accompanied by high humidity at 87%. In contrast, May experiences a minimum temperature of -3°C (27°F) and a maximum of 15°C (60°F), with an average of 7°C (44°F). Precipitation slightly decreases to 113 mm (4.4 in) over the same number of rainy days, and humidity improves slightly to 85%. For more insights on May weather, check out Reykjavik weather in May.
In comparing the weather of April and June, April tends to be significantly colder, with temperatures ranging from a frigid -8°C (17°F) at night to a maximum of 14°C (57°F) during the day. In contrast, June offers milder temperatures, with night temperatures rarely dropping below 2°C (36°F) and daytime highs reaching up to 18°C (65°F). While April experiences more precipitation, totaling 121 mm (4.8 in) over 18 days, June sees less rainfall at 92 mm (3.6 in) over 16 days, contributing to a slightly lower humidity level of 81% compared to April's 87%. For more detailed insights on the weather, you can check out Reykjavik weather in June.
April and July showcase contrasting weather patterns. In April, temperatures range from a chilly minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average temperature of just 4°C (40°F). The month is also characterized by significant rainfall, with 121 mm (4.8 in) of precipitation over 18 days and high humidity at 87%. In contrast, July enjoys milder conditions, with temperatures spanning from a minimum of 4°C (40°F) to a comfortable maximum of 21°C (71°F), averaging around 11°C (53°F). Precipitation is reduced to 75 mm (3.0 in) over 16 days, and humidity remains slightly lower at 86%. For more details on what to expect during this summer month, check out Reykjavik weather in July.
April and August exhibit quite distinct weather characteristics, with April experiencing colder temperatures and higher precipitation. In April, temperatures range from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). The month is also marked by significant rainfall, totaling 121 mm (4.8 in) over 18 days, and high humidity at 87%. In contrast, August offers a milder climate, with temperatures ranging from 5°C (41°F) to 20°C (68°F) and an average of 11°C (52°F). The precipitation in August is lower, with 83 mm (3.3 in) spread over 15 days, and the humidity remains slightly higher at 88%. To learn more about the specifics of August weather in Reykjavik, check out Reykjavik weather in August.
April and September present distinctly different weather experiences, with April typically being chillier. In April, temperatures range from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). The month sees considerable precipitation, measuring 121 mm (4.8 in) over 18 days, and humidity levels are quite high at 87%.
In contrast, September features milder conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 15°C (60°F) and an average of 8°C (47°F). The rainfall increases to 164 mm (6.5 in) over 20 days, accompanied by slightly higher humidity at 92%. For more detailed information on September weather, you can refer to Reykjavik weather in September.
In comparing the weather between April and October, both months experience chilly temperatures, but April tends to be slightly colder overall. April's temperature ranges from a minimum of -8°C (17°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). In contrast, October has a milder minimum of -4°C (25°F) and a similar maximum of 13°C (56°F), averaging at 5°C (42°F). While April sees more precipitation with 121 mm (4.8 in) over 18 days, October has somewhat less with 96 mm (3.8 in) over 16 days. Humidity levels are higher in October at 93% compared to April's 87%. For more detailed information, you can check Reykjavik weather in October.
In comparing the weather between April and November, we see a noticeable shift in temperatures and humidity levels. April tends to be slightly warmer, with average temperatures around 4°C (40°F) compared to November’s cooler average of 2°C (35°F). While both months experience a fair amount of precipitation, April receives 121 mm (4.8 in) over 18 days, whereas November has a bit less, with 105 mm (4.1 in) over 15 days. However, November has higher humidity levels at 94%, compared to April’s 87%, contributing to a chillier feel in the later month. For a detailed overview of November's climate, you can check Reykjavik weather in November.
In April, the weather begins to warm up with average temperatures around 4°C (40°F), reaching a maximum of 14°C (57°F), while the minimum can drop to -8°C (17°F). The month experiences significant precipitation, totaling 121 mm (4.8 in) over 18 days, and humidity levels average 87%. In contrast, December is colder with an average temperature of 0°C (33°F), highs reaching only 10°C (50°F), and lows dropping to -13°C (9°F). Although it is slightly drier with 106 mm (4.2 in) of precipitation across 17 days, December's humidity peaks at 95%, making the air feel much more frigid. For a more detailed comparison, check Reykjavik weather in December.
As spring unfolds in Reykjavik during April, the city experiences a notable shift in weather patterns compared to the harsher winter months. Temperatures begin to rise, creeping closer to mild averages, though chilly nights still remind residents of winter's lingering presence. April sees a significant amount of precipitation, with rain and snow making appearances on nearly half the days, contributing to an overall humidity level that hovers around 87%. This blend of cool air and heightened moisture sets the stage for the vibrant blooms and longer days ahead, distinguishing April as a month of transition. For a deeper dive into the climate nuances of this captivating city, visit Reykjavik Climate.