Last updated: March 17, 2025
May in Grindavik, Iceland presents a blend of cool temperatures and distinct weather patterns. With a maximum temperature reaching 12°C (54°F) and an average of 7°C (44°F), the month starts to hint at the arrival of summer while still showcasing the chill with a minimum dipping to 1°C (34°F). This period sees notable precipitation, accumulating around 113 mm (4.4 in) over approximately 16 days, contributing to the lush landscapes characteristic of the region. Coupled with a high humidity level of 85%, May offers a refreshing yet brisk atmosphere, perfect for those eager to explore Grindavik’s stunning natural beauty.
In May, Grindavik, Iceland, experiences a noticeable shift in temperatures as spring takes hold. The minimum temperature rises to around 1°C (34°F), signaling a break from the biting cold of the earlier months, while the average temperature increases to a mild 7°C (44°F). The maximums also see an uplifting change, reaching up to 12°C (54°F), making it a refreshing time for outdoor activities. This month marks a significant transition, with temperatures trending steadily upward as Iceland prepares to embrace the warmth of summer. As the daylight stretches longer, visitors are welcomed by a landscape slowly blooming back to life, creating an enticing backdrop for exploration.
In May, Grindavik experiences a slight dip in precipitation, with 113 mm (4.4 in) of rain across approximately 16 days. This marks a reduction from the wetter months of winter and early spring, where precipitation levels frequently exceeded 120 mm and the number of rainy days hovered around 19 to 20. As spring transitions to summer, May’s rainfall reflects a gradual trend towards drier conditions, setting the stage for a sunnier June with its 82 mm (3.2 in) of rain over just 15 days. This shift not only indicates a change in weather patterns but also enhances the appeal of outdoor activities in the picturesque landscapes of Iceland.
As spring gives way to summer, May in Grindavik, Iceland, sees a notable rise in humidity, reaching a comfortable 85%. This trend marks the peak of relative humidity for the year thus far, suggesting a shift towards the more moist conditions that characterize the upcoming summer months. Comparing May to the preceding months, humidity levels have steadily climbed from 80% in April to 82% in March, highlighting a gradual transition into the wetter, lush season ahead. With subsequent months reaching 87% in July and peaking at 88% in August, May serves as a tantalizing precursor to the rich, humid tapestry that envelops Grindavik during the summer, making it an ideal time for visitors who appreciate the invigorating, nature-inspired atmosphere.
As spring unfolds in Grindavik, Iceland, the UV Index experiences a noticeable uptick in May, reaching a moderate level of 5. This shift signals a change in sun exposure, with a recommended burn time of just 30 minutes—a stark contrast to the lower indices of the earlier months. Following the steady rise from a low 1 in January through April, May marks the beginning of a transition toward more intense sun exposure, culminating in the high UV indices of summer. As the days grow longer and the sun's rays become more potent, it's essential to stay informed and prepared. For more detailed information, check out the Grindavik UV Index.
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As spring blossoms into summer, May shines bright in Grindavik, Iceland, with an impressive 324 hours of sunlight—the highest for the month. This marks a significant leap from the 204 hours in April, showcasing a clear trend of increasing daylight as we move toward the summer solstice. The climb in sunshine continues into June with 336 hours, making it the sunniest month of the year. This vibrant increase not only invigorates the landscape but also invites locals and visitors alike to revel in the outdoors. As the days lengthen, the gradual descent into summer creates a warm embrace, paving the way for leisurely evenings under the glimmer of the midnight sun.
As spring unfolds in Grindavik, Iceland, May emerges as a promising month for sunshine, boasting a 49% chance of clear skies. This significant increase from the preceding months, where the likelihood of sunny weather hovers below 30%, signals a refreshing shift as the days gradually lengthen and warm. In stark contrast to the winter months—where January finds only a 28% chance of sunshine—May stands out as a beacon of brighter days ahead. The trend indicates a delightful transition into summer, inviting both locals and visitors to bask in the beauty of this charming coastal town.
In Grindavik, Iceland, the transition into spring brings a significant increase in daylight hours, making May a particularly vibrant month. Starting with just 5 hours of daylight in January, residents experience a steady climb, culminating in 18 hours of sunlight by May. This upward trend continues into June, reaching a peak of 20 hours, before gradually tapering off in the summer months. As daylight wanes in the fall, hours drop to 12 in September and further to 6 by November, showcasing the rhythmic ebb and flow of nature in this enchanting region. The increasing daylight not only brightens the landscape but also enriches the outdoor experiences, setting the stage for endless adventures.
In Grindavik, Iceland, the winds take on a noticeable rhythm throughout the year, with May marking a wonderful turning point. As winter's fierce breezes recede, the average wind speed drops to a gentle 5.4 m/s (12 mph), providing a mild reprieve after the stronger gusts of previous months. This soothing shift is part of a broader trend, where each subsequent month from January peaks at 9.1 m/s (20 mph) gradually descends into a tranquil spring atmosphere, culminating in the softer winds of late spring and early summer. As the landscape awakens, May's calmer winds invite both locals and visitors to embrace the natural beauty of this coastal town, making it an ideal time for explorations amidst Iceland's captivating scenery.
The weather in Grindavik 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 Grindavik and find detailed weather information for every month.
May and January in Grindavik exhibit notable differences in weather patterns. In May, temperatures range from a chilly 1°C (34°F) at night to a mild 12°C (54°F) during the day, with an average temperature of 7°C (44°F). The month experiences significant rainfall, totaling 113 mm (4.4 in) across 16 days, contributing to a high humidity level of 85%. In contrast, January is colder, with temperatures dipping as low as -5°C (23°F) and peaking at 10°C (50°F), yielding an average of 3°C (37°F). Precipitation in January is slightly higher at 124 mm (4.9 in) over 18 days, but humidity is lower at 80%. For more detailed insights, you can check out Grindavik weather in January.
When comparing the weather in May and February, it’s clear there are notable differences. May sees milder temperatures, with a minimum of 1°C (34°F) and an average of 7°C (44°F), while February is colder, starting at a minimum of -8°C (19°F) and averaging 3°C (37°F). Although February typically experiences more days of precipitation, with rainfall recorded on 20 days, May has a slightly lower total precipitation of 113 mm (4.4 in) over 16 days. Moreover, May’s humidity is higher at 85%, compared to February's more comfortable 77%. For more detailed information, you can explore Grindavik weather in February.
Comparing the weather in May and March reveals notable differences in temperature and precipitation patterns. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 12°C (54°F), with an average temperature of 7°C (44°F). In contrast, March experiences cooler conditions, with temperatures fluctuating between -4°C (24°F) and 8°C (47°F), averaging at 3°C (38°F). While May sees substantial precipitation of 113 mm (4.4 in) over 16 days, March has a slightly higher total of 119 mm (4.7 in) across 20 days. Additionally, humidity levels are relatively high in both months, with May at 85% and March at 82%. For more detailed information, check out Grindavik weather in March.
In comparing the weather conditions of May and April, it's evident that both months experience cool temperatures with distinct variations. May is slightly warmer, with average temperatures ranging from a minimum of 1°C (34°F) to a maximum of 12°C (54°F), compared to April's range of -6°C (21°F) to 10°C (51°F). Additionally, while both months see considerable rainfall, May receives 113 mm (4.4 in) over 16 days, slightly less than April's 134 mm (5.3 in) over 19 days. Humidity also rises in May to 85%, compared to April's 80%. For a more detailed look at the weather patterns, check out Grindavik weather in April.
May and June both exhibit mild temperatures, but June sees a noticeable increase. In May, temperatures range from a chilly 1°C (34°F) at night to a maximum of 12°C (54°F) during the day, with an average of 7°C (44°F). In contrast, June brings a slightly warmer climate with minimum temperatures rising to 4°C (39°F) and highs reaching 15°C (58°F), averaging around 9°C (48°F). Additionally, while May experiences higher precipitation levels at 113 mm (4.4 in) over 16 days, June sees a decrease in rainfall to 82 mm (3.2 in) across 15 days, maintaining consistent humidity levels at 85%. For more details about the weather in June, you can refer to Grindavik weather in June.
The weather in May is quite cool, with average temperatures ranging from a chilly 1°C (34°F) to a moderate high of 12°C (54°F) and a notable humidity of 85%. Additionally, May experiences significant precipitation, with 113 mm (4.4 in) of rainfall spread over 16 days. In contrast, July brings warmer conditions, featuring temperatures that range from a minimum of 6°C (44°F) to a comfortable maximum of 18°C (65°F), while humidity slightly increases to 87%. Precipitation decreases in July, totaling 77 mm (3.0 in) across the same 16 days. For more details, you can check out Grindavik weather in July.
May and August exhibit notable differences in weather conditions. In May, temperatures are cooler, with a minimum of 1°C (34°F) and an average of 7°C (44°F), while August offers milder temperatures ranging from a minimum of 7°C (46°F) to an average of 11°C (52°F). Additionally, May sees more precipitation, totaling 113 mm (4.4 in) over 16 days, compared to August's 88 mm (3.5 in) over 13 days. Humidity levels are quite similar, with May at 85% and August slightly higher at 88%. For a detailed look at August weather in Grindavik, check out Grindavik weather in August.
May and September in Grindavik exhibit distinct weather characteristics. In May, temperatures range from a chilly 1°C (34°F) to a milder average of 7°C (44°F), with maximum temperatures reaching 12°C (54°F). This month receives 113 mm (4.4 in) of precipitation over approximately 16 days, accompanied by a consistent humidity level of 85%. In contrast, September sees a slight increase in minimum temperature to 2°C (35°F) and a higher average of 9°C (49°F), peaking at 13°C (56°F). However, it experiences more precipitation, totaling 159 mm (6.2 in) over about 20 days, while maintaining the same humidity level of 85%. For a deeper look at the specifics of September weather in Grindavik, visit Grindavik weather in September.
In May, temperatures typically range from a chilly 1°C (34°F) to a mild 12°C (54°F), with an average of around 7°C (44°F). The month sees moderate rainfall of 113 mm (4.4 in) over about 16 days, and it maintains a consistent humidity level of 85%. By contrast, October experiences slightly cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 11°C (53°F), while still averaging 7°C (44°F). Rainfall increases to 131 mm (5.2 in) spread over 17 days, yet the humidity remains the same at 85%. For more detailed insights into the weather in this month, check out Grindavik weather in October.
In comparing the weather between May and November, May tends to be milder with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 12°C (54°F) and an average of 7°C (44°F). The month sees significant rainfall, with 113 mm (4.4 in) of precipitation over 16 days, accompanied by a high humidity level of 85%. Conversely, November is cooler, with temperatures dropping to a minimum of -3°C (27°F) and reaching a maximum of 10°C (51°F), averaging at 4°C (40°F). It also experiences slightly more precipitation at 128 mm (5.0 in) over 19 days, while humidity remains relatively lower at 81%. For more detailed insights, check out the Grindavik weather in November.
When comparing the weather in May and December, several notable differences emerge. May tends to have milder temperatures, with an average of 7°C (44°F), while December sees cooler conditions, with an average of just 3°C (38°F). Precipitation levels are relatively high in both months, with May recording about 113 mm (4.4 in) over 16 days and December slightly higher at 127 mm (5.0 in) across 18 days. Humidity levels are also noteworthy; May is more humid at 85%, compared to December's 80%. For more detailed information, check out the Grindavik weather in December.
As spring unfolds in Grindavik, May brings a refreshing shift in weather compared to the preceding months. With average temperatures hovering around 7°C (44°F), it’s a transition period characterized by milder conditions and the promise of longer days. While precipitation persists, with about half the month seeing rain, the overall atmosphere is more vibrant and lively, inviting both locals and visitors to explore the stunning landscape. The humidity remains high, lending a certain freshness to the air that makes outdoor activities particularly enjoyable. To delve deeper into the seasonal patterns and prepare for your visit, check out Grindavik Climate.