May Weather in Seaside, United States

Last updated: February 24, 2025

May in Seaside, United States, showcases a delightful transition into warmer days, with maximum temperatures reaching 21°C (70°F) and an average of 12°C (53°F). As the coastal air brings refreshing breezes, expect cooler nights with a minimum temperature of 6°C (43°F). This month is characterized by a notable precipitation total of 72 mm (2.8 in), spread over 12 days, contributing to the region’s lush landscapes. The humidity level hovers around 83%, creating a vibrant yet comfortingly moist atmosphere, perfect for enjoying the beauty of coastal life.

May Temperature in Seaside

As May arrives in Seaside, United States, temperatures begin to warm up significantly, marking a delightful transition from the colder months. The month opens with a minimum temperature of 6°C (43°F), climbing to an average of 12°C (53°F), and reaching a pleasant peak of 21°C (70°F). This gradual increase in warmth not only spurs outdoor activities but also heralds the onset of a vibrant summer. Compared to April, which sees a maximum of 20°C (67°F), May introduces noticeably milder evenings and sunnier days, inviting residents and visitors alike to bask in the emerging coastal charm. With the sea breeze gently moderating the warmth, May stands out as a refreshing prelude to summer, making it an ideal time to enjoy the coastal scenery.

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

The chart illustrates May temperature patterns in Seaside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464446495357596059545046
Data source: Temperature data for Seaside 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 Seaside

In May, Seaside experiences a noticeable dip in precipitation, receiving only 72 mm (2.8 inches) of rain over 12 days—a significant reduction compared to the preceding months. This trend highlights the transition into a drier summer, as April’s rainfall of 145 mm (5.7 inches) was accompanied by 17 rainy days. The shift not only sets the stage for sunnier days ahead but also marks a contrast to the winter and early spring months, where Seaside is drenched in heavier downpours. As the year progresses, the coastal climate gradually embraces lower moisture levels, emphasizing the region's unique seasonal fluctuations and inviting residents to relish the emerging sunshine.

May Precipitation Trends in Seaside

The chart displays monthly precipitation patterns in Seaside, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2522241821457263202091166258272
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Seaside

In May, Seaside, United States experiences a mild humidity level of 83%, slightly lower than the preceding months. This marks a continuation of a trend seen since April, where humidity begins to stabilize around the mid-80s, transitioning to a comfortable level as summer approaches. As the year progresses, humidity levels tend to decrease significantly, especially during the peak summer months of July and August, when they dip to 82% and 74%, respectively. This gradual decline into the warmer months suggests a shift towards drier conditions, offering a refreshing contrast to the heavier humidity experienced in the winter months of November and December, where levels swing back to a moist 87%. Overall, May serves as a pleasant bridge between the damp chill of winter and the dry warmth of summer in Seaside.

May Average Humidity in Seaside

This chart illustrates the average monthly humidity levels in Seaside, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Seaside

As May arrives in Seaside, the UV Index soars to a striking 9, indicating a very high level of sun exposure that should not be taken lightly. This sharp increase from April's index of 6 marks a significant shift, reducing burn time to just 15 minutes—a stark reminder for residents and visitors alike to take precautions against harmful UV rays. The trend continues into June and July, where the index remains equally high, solidifying late spring and early summer as critical times for sun safety in this coastal town. As temperatures rise, it's essential to stay informed and protected; for more details on UV safety, check out the Seaside UV Index.

Maximum UV Index Levels in Seaside for May

The chart shows the monthly maximum UV Index (UVI) for Seaside 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.
JanFebMarAprMayJunJulAugSepOctNovDec2356910987532
Data source: Seaside 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 Seaside

As May unfolds in Seaside, United States, residents and visitors bask in 289 hours of glorious sunshine, marking a delightful peak in the spring season. This month showcases a remarkable increase in sunlight compared to the earlier months of the year, with a notable jump from 231 hours in April. This upward trajectory continues into June, where the sun shines even brighter. The gradual rise in sunny hours from January's 90 hours to May's vibrant days reflects the region's transition from winter's chill to summer's warmth. The trend highlights a tantalizing promise of longer, sunnier days ahead, inviting everyone to enjoy outdoor activities and revel in the natural beauty that Seaside has to offer.

Monthly Sunshine Duration in Seaside: May Highlighted

The May sunshine duration represents the total number of hours Seaside 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.
JanFebMarAprMayJunJulAugSepOctNovDec90h132h207h231h289h323h358h326h263h207h135h106h
Data source: Seaside May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Seaside During May

In Seaside, United States, the probability of experiencing sunny weather sees a notable fluctuation throughout the year. Beginning in January with a modest 18% chance, the likelihood gradually climbs, reaching its peak in April at 43%. However, as May arrives, this sunny prospect dips to 24%, marking a decrease from the previous month. This trend continues into the summer months, as July echoes the May figure with a 24% chance of sunshine. Interestingly, sunshine opportunities begin to rebound in the following months, hinting at an elevated likelihood of bright days toward late summer and early fall. Thus, while May offers a less reliable chance for clear skies, the overall sunshine trend suggests a more promising forecast as the year progresses.

Percentage of Sunny Days in May in Seaside

The chart illustrates the percentage of sunny days in Seaside 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 Seaside experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%17%33%43%24%39%24%30%38%28%15%16%
Data source: Seaside May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Seaside in May

As spring unfolds in Seaside, United States, daylight duration gradually increases, peaking at 14 hours in May before transitioning into the longer days of summer. This growth from just 9 hours in January to 11 hours in March signals a vibrant awakening of nature. By April, daylight extends to 13 hours, setting the stage for the sunniest month yet. May's notable 14 hours not only invites more outdoor activities but also enhances the beauty of picturesque sunsets along the coast. Following this peak, daylight begins to taper off in June and July, maintaining a rich 15 hours, hinting at the seasonal cycle's rhythm. As the year progresses into autumn, daylight gradually decreases, leaving behind the sun-kissed days of summer.

Average Daylight Hours in Seaside for May

The chart illustrates the variation in daylight duration in Seaside throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 6m10h 22m11h 57m13h 34m14h 58m15h 39m15h 16m14h 2m12h 28m10h 51m9h 26m8h 42m
Data source: Seaside daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Seaside

In Seaside, United States, May brings a gentle shift in wind patterns as average wind speeds settle at 4.7 m/s (10 mph). Following the breezier months of January through April, where speeds hovered between 4.1 m/s to 6.0 m/s, May marks a slight decline but remains comfortably moderate. This trend continues into early summer, with June and July maintaining similar wind speeds. As the year progresses into the fall, wind speeds gradually increase again, peaking in November at 6.5 m/s (14 mph). Overall, May serves as a transitional period, balancing the energetic gusts of spring with the calmer breezes that typically characterize the upcoming summer months.

Average May Wind Speed in Seaside

The chart displays monthly wind speed patterns in Seaside, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.86.05.64.14.7 m/s4.34.53.94.45.86.56.1
Data source: Seaside May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Seaside Compares to Other Months

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

In May, the weather tends to be milder with an average temperature of 12°C (53°F) and maximum highs reaching up to 21°C (70°F), making it a more pleasant month overall. The precipitation is notably lower at 72 mm (2.8 in), occurring over 12 days, which allows for more dry periods compared to January. In contrast, January experiences cooler temperatures, with average highs around 8°C (46°F) and maximums of only 13°C (56°F). This month also sees a significant amount of rain, with 252 mm (9.9 in) of precipitation spread across 18 days, contributing to an overall damp and chilly atmosphere. Humidity levels are quite comparable, hovering around 83% in May and 85% in January. For those seeking more insight into January's weather, you can find additional information here: Seaside weather in January.

Comparing the weather in May and February reveals notable differences in temperature and precipitation patterns. May enjoys milder temperatures, with a minimum of 6°C (43°F), an average of 12°C (53°F), and a maximum of 21°C (70°F), alongside lighter precipitation levels of 72 mm (2.8 in) over 12 days. In contrast, February is cooler, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 13°C (55°F), and experiences significantly higher precipitation at 224 mm (8.8 in) spread across 20 days. Both months display high humidity, with February at 84% and May at 83%, but the weather in February can be quite gloomy due to more frequent rain. For a detailed look at February weather specifics, you can visit Seaside weather in February.

In comparing the weather of May and March, May generally provides a more temperate experience, with average temperatures ranging from 6°C (43°F) to a pleasant 21°C (70°F), while March’s temperatures are cooler, averaging between 1°C (34°F) and 18°C (65°F). However, March is notably wetter, receiving 182 mm (7.2 inches) of precipitation over 18 days, compared to May's 72 mm (2.8 inches) over 12 days. Additionally, March's humidity sits slightly higher at 85% compared to May's 83%, contributing to a more clammy feeling despite the chill. For more insights into the conditions you can expect, check out Seaside weather in March.

In comparing the weather of April and May, we notice a gradual warming trend. May features a wider temperature range with minimums at 6°C (43°F), averages around 12°C (53°F), and maximums reaching 21°C (70°F). In contrast, April starts cooler, with minimums at 2°C (36°F), an average of 9°C (49°F), and maximums topping out at 20°C (67°F). While May is drier with only 72 mm (2.8 in) of precipitation over 12 days, April is significantly wetter, boasting 145 mm (5.7 in) of rainfall spread across 17 days. Interestingly, both months share the same humidity level of 83%. For a more detailed look at April weather conditions, check out Seaside weather in April.

May and June exhibit noticeable differences in weather patterns. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (53°F). The month sees about 72 mm (2.8 in) of precipitation over approximately 12 days, while maintaining high humidity levels at 83%. In contrast, June offers warmer conditions, with minimum temperatures rising to 10°C (49°F) and maximums reaching 25°C (77°F), resulting in an average temperature of 14°C (57°F). Precipitation decreases slightly to 63 mm (2.5 in) spread across 9 days, but humidity remains steady at 83%. For more details on specific weather conditions, check out the information on Seaside weather in June.

In May, the weather features cooler temperatures, with a minimum of 6°C (43°F) and an average of 12°C (53°F), reaching a maximum of 21°C (70°F). This month experiences significant precipitation, with 72 mm (2.8 in) over 12 days, resulting in a high humidity level of 83%. In contrast, July sees a slight increase in minimum temperatures, starting at 11°C (52°F) and maintaining a similar maximum of 21°C (70°F), but the average temperature only rises to 15°C (59°F). Notably, July is much drier, with only 20 mm (0.8 in) of rainfall over just 4 days, and humidity drops slightly to 82%. For more insights into July weather, you can refer to Seaside weather in July.

May and August present contrasting weather patterns as spring transitions to summer. In May, temperatures range from a cool minimum of 6°C (43°F) to an average of 12°C (53°F) and a maximum of 21°C (70°F). This month typically sees more precipitation, totaling 72 mm (2.8 in) over 12 days, coupled with high humidity levels averaging 83%. In comparison, August is significantly warmer, with temperatures starting at a minimum of 11°C (53°F), averaging 16°C (60°F), and peaking at a maximum of 24°C (76°F). Rainfall drops considerably to just 20 mm (0.8 in) across 5 days, and the humidity lightens to an average of 74%. For those interested in further details on seaside weather during this month, you can check Seaside weather in August.

May and September present distinct weather patterns. In May, temperatures range from a cool minimum of 6°C (43°F) to a pleasant maximum of 21°C (70°F), with an average of 12°C (53°F). This month experiences 72 mm (2.8 in) of precipitation over about 12 days, coupled with a high humidity level of 83%. In contrast, September enjoys milder temperatures, with a minimum of 10°C (50°F), an average of 15°C (59°F), and a maximum of 24°C (75°F). Despite being slightly wetter at 91 mm (3.6 in) of rain over just 10 days, the humidity drops to a more comfortable 71%. For detailed insights, check out Seaside weather in September.

May and October exhibit similar average temperatures, with May averaging 12°C (53°F) and October at a slightly warmer 12°C (54°F). However, October experiences more rainfall, with 166 mm (6.5 in) over 14 days compared to May’s 72 mm (2.8 in) scattered across 12 days. The humidity levels are relatively close, at 83% for May and 81% for October, creating a moist atmosphere in both months. Overall, while both months share a mild climate, October tends to be wetter and slightly cooler at the upper temperature range. For more detailed information on specific conditions, you can check Seaside weather in October.

May typically offers milder temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), while November presents cooler conditions with temperatures dipping as low as 3°C (38°F) and only reaching up to 15°C (59°F). In terms of precipitation, May sees less rainfall at 72 mm (2.8 in) over about 12 days, compared to November's significantly wetter climate, which accumulates 258 mm (10.2 in) over 18 days. Humidity levels are also slightly higher in November at 87%, compared to May's 83%. For more information about the weather during this time, check out Seaside weather in November.

May and December weather showcase a stark contrast. In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 21°C (70°F), with an average of 12°C (53°F), creating a mild and pleasant environment. However, it also experiences significant rainfall, with 72 mm (2.8 in) over 12 days, resulting in a humidity level of 83%. In contrast, December is much colder, with temperatures dipping as low as -2°C (30°F) and averaging around 8°C (46°F). The maximum temperature reaches only 13°C (56°F), but the month is considerably wetter, receiving 272 mm (10.7 in) of precipitation across 22 days, and an increased humidity of 87%. For more insights on December weather, visit Seaside weather in December.

Compare Seaside's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Seaside

As May unfolds in Seaside, the transition to milder weather becomes evident. With temperatures gradually rising from the cool low of winter, this month offers a refreshing average that encourages outdoor activities. Although occasional rain showers remind us of spring's unpredictability—accounting for a notably humid atmosphere—sunny days start to dot the calendar, making it a delightful prelude to summer. Overall, May's weather stands out by striking a balance between the lingering chill of earlier months and the warmth on the horizon. For a deeper dive into Seaside's climate throughout the year, be sure to visit Seaside Climate.