May Weather in Reydarfjoerdur, Iceland

Last updated: March 17, 2025

May in Reydarfjörður, Iceland, presents a unique blend of spring’s potential and the lingering chill of winter. With temperatures peaking at a comfortable 15°C (59°F), the average hovers around a brisk 3°C (38°F), while nighttime can dip to a crisp -7°C (19°F). Rainfall is a common occurrence, with 90 mm (3.5 in) of precipitation spread across 16 days, leading to lush landscapes that contrast with the vibrant local flora. The air is often saturated with 88% humidity, creating an invigorating atmosphere that defines the beauty of this coastal town during the transition from winter to summer. Visitors can expect a refreshing, albeit changeable, maritime climate that showcases Iceland's enchanting natural splendor.

May Temperature in Reydarfjoerdur

In Reydarfjörður, Iceland, May marks a notable shift in temperatures as spring takes hold. The month ushers in milder conditions, with average temperatures rising to a refreshing 3°C (38°F), a stark contrast to the biting cold of winter. Nighttime lows of about -7°C (19°F) still hint at the lingering chill, yet the maximum daytime temperatures can reach a pleasant 15°C (59°F). This transition from the depths of winter into the embrace of spring signifies a gradual warming trend, paving the way for the more temperate months ahead. Overall, May serves as a bridge, promising both the crispness of lingering cold and the budding warmth of summer's approach.

May Weather in Reydarfjoerdur: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Reydarfjoerdur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec282930323745494844362927
Data source: Temperature data for Reydarfjoerdur 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.

May Precipitation in Reydarfjoerdur

In Reydarfjörður, Iceland, May marks a transitional month in precipitation patterns, with an average of 90 mm (3.5 in) of rainfall spread over 16 days. This amount reflects a notable decline from the wetter months of late winter and early spring, as April experiences 94 mm (3.7 in) and March a heftier 146 mm (5.7 in). The gradual shift towards drier conditions hints at the approaching summer, yet May still retains a significant number of wet days, echoing the pervasive influence of the North Atlantic climate. While the rainfall is less than in the preceding months, it sets the stage for lush greenery and vibrant flora, marking the region's transition from the chill of spring to the warmth of summer.

May Precipitation Trends in Reydarfjoerdur

The chart displays monthly precipitation patterns in Reydarfjoerdur, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec12321214694901017783153217143214
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Reydarfjoerdur

As spring transitions to early summer in Reydarfjoerdur, Iceland, May brings a notable increase in humidity levels, reaching 88%. This rise continues the trend observed from the previous months, where humidity steadily climbed from 84% in January to 86% in April. The warming temperatures of May appear to enhance moisture in the air, setting the stage for the even higher humidity of June and July, which peaks at an impressive 93%. This gradual escalation not only adds to the unique atmosphere of this coastal town but also signals the approach of a vibrant summer, enriched by the lush landscapes that such humidity helps nurture.

May Average Humidity in Reydarfjoerdur

This chart illustrates the average monthly humidity levels in Reydarfjoerdur, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%87%86%88%90%93%91%90%90%88%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Reydarfjoerdur

In May, Reydarfjoerdur experiences a notable uptick in UV exposure, with the UV Index reaching 5 and classified as moderate. This shift marks a transition from the milder conditions of the previous months. With a burn time of just 30 minutes, it's essential for outdoor enthusiasts to take precautions against potential sunburn. As the days grow longer and sunnier, May sets the stage for more intense UV radiation, precursor to the even higher levels seen in June. It's a prime reminder to stay vigilant and prioritize skin protection during this lovely spring month. For more detailed UV information, visit Reydarfjoerdur UV Index.

Maximum UV Index Levels in Reydarfjoerdur for May

The chart shows the monthly maximum UV Index (UVI) for Reydarfjoerdur in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec112456543211
Data source: Reydarfjoerdur May 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.

May Sunshine in Reydarfjoerdur

May in Reydarfjörður, Iceland, shines as a month of transformation, basking in 287 hours of sunlight. This is a significant leap from the earlier months—January’s mere 28 hours gave way to a steady increase, culminating in nearly double the daylight as spring progressed. By April, residents were already relishing 254 hours, as winter's grip loosened, paving the way for longer, brighter days. This growth in sunlight continues into June, which boasts the longest days of the year, but May stands out for its vibrant signs of life and warmth. The gradual increase from January through April showcases a beautiful transition towards summer, inviting both locals and visitors to savor the longer days and the refreshing spirit of the season.

Monthly Sunshine Duration in Reydarfjoerdur: May Highlighted

The May sunshine duration represents the total number of hours Reydarfjoerdur experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec28h84h184h254h287h304h317h258h188h104h60h14h
Data source: Reydarfjoerdur May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Reydarfjoerdur During May

In Reydarfjörður, Iceland, the likelihood of sunny weather in May hovers around 16%, marking a slight dip from the previous month's 33%. This trend reflects a seasonal transition, as sunshine becomes more elusive after the brighter days of April. Interestingly, while May sees a lower chance of sun compared to the preceding month, it outpaces the gloomy winter months, where sunshine chances lingered around 12-18%. As summer approaches, the sun's chances gradually improve, peaking in July at 39%, suggesting that May is a month of fluctuating weather as the landscape awakens from winter’s embrace, paving the way for brighter days ahead.

Percentage of Sunny Days in May in Reydarfjoerdur

The chart illustrates the percentage of sunny days in Reydarfjoerdur throughout the year, with May 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 Reydarfjoerdur experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%14%26%33%16%19%39%21%25%10%18%12%
Data source: Reydarfjoerdur May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Reydarfjoerdur in May

As spring transitions into summer in Reydarfjoerdur, Iceland, daylight duration undergoes a remarkable transformation. In May, daylight reaches 18 hours, marking a significant increase from the 15 hours of April and setting the stage for the nearly endless daylight of June, which boasts 21 hours. This gradual expansion of sunlight begins in January with a mere 5 hours, highlighting the stark contrast as the year progresses. By August, the days begin to shorten again, dropping to 16 hours, yet it remains a vibrant period of outdoor activity. The pattern of increasing and then decreasing daylight illustrates the enchanting rhythm of Icelandic seasons, captivating residents and visitors alike.

Average Daylight Hours in Reydarfjoerdur for May

The chart illustrates the variation in daylight duration in Reydarfjoerdur throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec5h 7m8h 24m11h 49m15h 18m18h 53m21h 38m20h16h 25m12h 58m9h 33m6h 7m3h 48m
Data source: Reydarfjoerdur daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Reydarfjoerdur

In Reydarfjoerdur, Iceland, the month of May brings a gentle increase in breeziness, with an average wind speed of 3.2 m/s (7 mph). This slight uptick from April's 2.6 m/s (6 mph) suggests a transition into the more invigorating winds of summer. Throughout the year, the data reveals a dynamic pattern: while winter months like January and February experience lower averages around 3.1 m/s and 2.3 m/s, the spring months tend to show a gradual rise, culminating in a refreshing May. Following this, wind speeds taper off during the height of summer in July and August, descending back to similar winter averages, which may hint at the calm before the onset of autumn's breezy return in September. This seasonal rhythm not only shapes the climate but also enhances the unique beauty of the region.

Average May Wind Speed in Reydarfjoerdur

The chart displays monthly wind speed patterns in Reydarfjoerdur, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.12.32.32.63.2 m/s3.12.62.23.02.82.72.3
Data source: Reydarfjoerdur May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Reydarfjoerdur Compares to Other Months

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

When comparing the weather in May and January, it's clear that May boasts significantly warmer temperatures, with an average of 3°C (38°F) compared to January's chilly average of -2°C (28°F). While January experiences colder temperatures, it also sees a lower maximum temperature of 8°C (46°F) and a harsher minimum of -19°C (-3°F). Precipitation is slightly more prevalent in January, totaling 123 mm (4.9 in) over 15 days, compared to May's 90 mm (3.5 in) across 16 days. The humidity levels are relatively similar, with May at a high of 88% and January slightly lower at 84%. For a more detailed look at the conditions in January, you can visit Reydarfjoerdur weather in January.

The weather in May is notably milder compared to February, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 15°C (59°F), while February experiences much colder conditions, with temperatures ranging from -16°C (4°F) to 7°C (45°F). Additionally, May sees an average temperature of 3°C (38°F) and a lower precipitation total of 90 mm (3.5 in) over 16 days, in contrast to February's higher precipitation of 212 mm (8.4 in) spread across 20 days. Humidity levels are fairly similar, with May at 88% and February at 85%, but the overall feel of the two months is vastly different. For more detailed information, you can check Reydarfjoerdur weather in February.

In comparing the weather between March and May, May generally offers a more moderate climate with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 15°C (59°F) and an average temperature of 3°C (38°F). In contrast, March tends to be colder, with temperatures dipping from a minimum of -13°C (9°F) to a maximum of 10°C (50°F) and an average temperature of -1°C (30°F). Additionally, May experiences less precipitation, totaling 90 mm (3.5 in) over 16 days, compared to March's higher precipitation levels of 146 mm (5.7 in) across 17 days. Both months have similar humidity levels, with May at 88% and March at 87%. For further details on March weather, you can visit Reydarfjoerdur weather in March.

Comparing the weather in April and May reveals a noticeable shift towards milder conditions. In April, temperatures ranged from a minimum of -12°C (11°F) to a maximum of 8°C (47°F), with an average of 0°C (33°F) and 94 mm (3.7 in) of precipitation over 13 days, accompanied by a humidity level of 86%. In contrast, May sees a significant increase in temperature, with a low of -7°C (19°F) and a high of 15°C (59°F), averaging at 3°C (38°F). Although May has slightly less precipitation at 90 mm (3.5 in) over 16 days, the humidity remains high at 88%. For a detailed look at April conditions, you can refer to Reydarfjoerdur weather in April.

May and June present a noticeable shift in weather conditions. In May, the temperatures range from a chilly minimum of -7°C (19°F) to a maximum of 15°C (59°F), with an average temperature of 3°C (38°F). The humidity is quite high at 88%, and the month experiences around 90 mm (3.5 in) of precipitation over 16 days. In contrast, June sees a modest increase in temperatures, where the minimum is -2°C (29°F) and the maximum reaches 20°C (67°F), giving an average of 7°C (45°F). Additionally, June experiences a slight increase in precipitation to 101 mm (4.0 in), although the number of rainy days remains the same at 16. The humidity also ticks up slightly to 90%. For more detailed insights into June weather, check out Reydarfjoerdur weather in June.

In May, the weather in Reydarfjörður tends to be quite chilly, with average temperatures hovering around 3°C (38°F) and maximums reaching only 15°C (59°F). Humidity is relatively high at 88%, and the region experiences notable precipitation, totaling 90 mm (3.5 in) over 16 days. In contrast, July brings slightly milder conditions, with an average temperature of 10°C (50°F) and a maximum of 20°C (68°F). Although July has slightly less precipitation at 77 mm (3.0 in) over 15 days, the humidity rises to 93%. For more detailed insights, you can visit Reydarfjoerdur weather in July.

In May, the weather is generally cooler, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 15°C (59°F) and an average temperature of 3°C (38°F). This month also sees significant precipitation, totaling 90 mm (3.5 in) over 16 days, combined with high humidity at 88%. In contrast, August offers milder conditions with temperatures that range from a minimum of 1°C (34°F) to a maximum of 21°C (70°F), averaging 9°C (48°F). Precipitation in August is slightly less at 83 mm (3.3 in) over 17 days, though humidity remains high at 91%. For more detailed insights, you can check Reydarfjoerdur weather in August.

May and September both present chilly weather, but they have distinct characteristics worth noting. In May, temperatures range from a minimum of -7°C (19°F) to a maximum of 15°C (59°F), with an average of 3°C (38°F). The month sees around 90 mm (3.5 in) of precipitation over 16 days and exhibits high humidity at 88%. Conversely, September experiences slightly warmer temperatures, with a minimum of -3°C (26°F) and a maximum of 18°C (65°F), averaging at 6°C (44°F). However, it has a higher total precipitation of 153 mm (6.0 in) spread across 18 days and a humidity level of 90%. For a closer look at September weather patterns, you can explore this link: Reydarfjoerdur weather in September.

May and October present distinct weather patterns, with May offering slightly milder temperatures compared to the chillier October conditions. In May, temperatures range from a minimum of -7°C (19°F) to a maximum of 15°C (59°F) with an average of 3°C (38°F), while October sees cooler averages, with temperatures ranging from a minimum of -11°C (12°F) to a maximum of 9°C (48°F), and an average of 2°C (36°F). Additionally, October is markedly wetter, receiving 217 mm (8.5 in) of precipitation over 21 days, compared to May's 90 mm (3.5 in) over 16 days. The humidity remains high in both months, with October slightly higher at 90% compared to May's 88%. For a deeper look at the specific weather conditions in October, you can explore Reydarfjoerdur weather in October.

May and November in Reydarfjoerdur present striking contrasts in weather despite similar humidity levels, both standing at 88%. In May, temperatures range from a chilly -7°C (19°F) to a pleasant 15°C (59°F), with an average of 3°C (38°F) and about 90 mm (3.5 in) of precipitation over 16 days. In contrast, November sees colder conditions, with temperatures dipping from -13°C (8°F) to a maximum of 8°C (47°F) and an average of -1°C (30°F). This month experiences even higher precipitation, totaling 143 mm (5.6 in) across 17 days. For more detailed information, you can check Reydarfjoerdur weather in November.

In May, the weather in Reydarfjörður showcases a more temperate climate with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 15°C (59°F), resulting in an average of 3°C (38°F). The month sees about 90 mm (3.5 in) of precipitation over 16 days, accompanied by high humidity levels at 88%. In contrast, December brings significantly colder temperatures, with a minimum of -19°C (-2°F) and a maximum of 9°C (48°F), averaging around -3°C (28°F). December is also wetter, with 214 mm (8.4 in) of precipitation over 18 days, while humidity remains slightly lower at 85%. For more detailed insights, you can check Reydarfjoerdur weather in December.

Compare Reydarfjoerdur's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Reydarfjoerdur

As May unfolds in Reydarfjörður, the weather begins to hint at the warmth of summer, contrasting sharply with the colder months that precede it. While daytime temperatures may only reach a modest 15°C, the average is a brisk 3°C, making it a chilly transition month. With 16 days of precipitation contributing to an overall 90 mm of rainfall, the lush landscapes emerge vibrant, albeit cloaked in a humid 88% atmosphere. Unlike the stark cold of winter, May offers a refreshing blend of colder mornings and mild afternoons, creating a unique climate that invites exploration. For a deeper dive into the distinct weather patterns of this beautiful region, check out Reydarfjoerdur Climate.