May Weather in Del Mar, United States

Last updated: February 24, 2025

Experience the charming May weather in Del Mar, United States, where temperatures typically peak at a pleasant 26°C (79°F) and average around 17°C (62°F), providing the perfect backdrop for outdoor activities. With a minimum temperature of 11°C (52°F), evenings remain comfortable. The month sees an average precipitation of 23 mm (0.9 in) spread over 4 days, ensuring lush landscapes while maintaining a relatively low humidity level of 46%. Whether you're soaking up the sun on the beach or exploring local attractions, May in Del Mar offers a delightful blend of warmth and refreshing breezes.

May Temperature in Del Mar

In May, Del Mar embraces the transition to warmer weather, with temperatures ranging from a comfortable 11°C (52°F) at night to a pleasant 26°C (79°F) during the day. The average temperature hovers around 17°C (62°F), making it an ideal time for outdoor activities and coastal adventures. As spring unfolds, the climate becomes noticeably milder compared to the cooler months of January through April, where nighttime lows dip into single digits. This upward trend sets the stage for the hotter summer months ahead, highlighting a delightful balance that invites visitors to enjoy the sun while still relishing the refreshing ocean breeze.

May Weather in Del Mar: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Del Mar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec565658616265707271686257
Data source: Temperature data for Del Mar 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 Del Mar

May in Del Mar brings a notable decrease in precipitation, with only 23 mm (0.9 in) of rain falling over just 4 days. This trend reflects the transition into the drier summer months, following a wetter spring. Compared to the 30 mm (1.2 in) recorded in April, May signifies a shift towards sunnier skies and warmer days, as rainfall continues to dwindle heading into June. With the changing seasons, residents and visitors alike can expect a more arid landscape, making May an inviting month for outdoor activities along the picturesque coastline.

May Precipitation Trends in Del Mar

The chart displays monthly precipitation patterns in Del Mar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec67726431234225133473
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Del Mar

In May, Del Mar experiences a notable dip in humidity, with levels dropping to 46%, the lowest of the year. This decline follows a trend of decreasing humidity from the wetter winter months, with January and February registering a high of 72% and 77%, respectively. As spring progresses, humidity consistently decreases, peaking in April at 56% before continuing its decline into the milder summer months. This trend not only enhances the pleasant coastal climate but also sets the stage for the drier conditions that characterize Del Mar’s summer, making May an ideal time to enjoy outdoor activities in the sun.

May Average Humidity in Del Mar

This chart illustrates the average monthly humidity levels in Del Mar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec72%77%67%56%46%48%46%42%52%58%66%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Del Mar

As May unfolds in Del Mar, United States, residents and visitors are met with an extreme UV Index of 11, signaling a significant uptick in sun exposure risk. Following the gradual climb from a moderate UV Index of 4 in January to an alarming 10 in April, May's scorching conditions mean a burn time of only 10 minutes—a sharp decrease that underscores the necessity for protective measures. With the trend continuing into June, where the UV Index peaks at 12, it's clear that this coastal jewel experiences heightened sun intensity as spring transitions into summer. For those planning to bask in the sunshine, staying informed about UV levels is crucial; learn more at Del Mar UV Index.

Maximum UV Index Levels in Del Mar for May

The chart shows the monthly maximum UV Index (UVI) for Del Mar 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.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111010754
Data source: Del Mar 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 Del Mar

As May approaches in Del Mar, the days grow longer and the sun shines brighter, with an impressive 364 hours of sunshine that month. This surge in sunlight marks a delightful transition from the somewhat cooler, cloudier winter months, where January only offered 191 hours. The increasing trend continues into June, peaking at 369 hours, suggesting the onset of summer is basking the region in golden rays. This vibrant accumulation of sunlight peaks in July with 378 hours, providing ample opportunities for outdoor adventures and seaside relaxation. As the summer rolls on, the hours slightly taper off, but the consistent sunshine throughout the year—from 243 hours in February to 256 hours in November—ensures that Del Mar remains a sun-soaked retreat, welcoming visitors to enjoy its coastal beauty.

Monthly Sunshine Duration in Del Mar: May Highlighted

The May sunshine duration represents the total number of hours Del Mar 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.
JanFebMarAprMayJunJulAugSepOctNovDec191h243h298h324h364h369h378h361h319h296h256h228h
Data source: Del Mar May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Del Mar During May

In Del Mar, United States, the likelihood of sunny weather takes a dip in May, with only a 45% chance of sunshine. This marks a decrease from the preceding months, notably from April’s 51%. The trend suggests a subtle shift as spring transitions into summer; while the sun shines more frequently in the sunnier months of August and September, May's probability stands out as the lowest in the spring lineup. As we move forward into summer, residents and visitors alike can look forward to increased sunshine, with chances climbing back up to 55% in June and 60% in July.

Percentage of Sunny Days in May in Del Mar

The chart illustrates the percentage of sunny days in Del Mar 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 Del Mar experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%60%62%51%45%55%60%66%67%64%66%47%
Data source: Del Mar May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Del Mar in May

As May arrives in Del Mar, the daylight lingers at a pleasant 13 hours, maintaining the longer daylight trend established in April. This period of extended sunlight is a continuation of the gradual increase seen since January, where days began at just 10 hours. The summer months ahead promise even more daylight, peaking at 14 hours in both June and July, creating an ideal backdrop for outdoor activities and basking in the Californian sun. After May, daylight begins to taper off slightly, signaling the transition towards shorter days as autumn approaches. Overall, this gradual ebb and flow of daylight not only shapes daily life in Del Mar but also emphasizes the distinct beauty of each season.

Average Daylight Hours in Del Mar for May

The chart illustrates the variation in daylight duration in Del Mar throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 14m11h12h13h 1m13h 52m14h 17m14h 3m13h 17m12h 19m11h 18m10h 26m9h 59m
Data source: Del Mar daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Del Mar

In Del Mar, May brings a pleasant average wind speed of 2.9 m/s (6 mph), consistent with the gentle breezes felt throughout the spring. This month's wind pattern mirrors that of April, maintaining a steady rhythm that enhances the coastal charm of the area. As the season transitions into summer, wind speeds remain stable into June, where they slightly increase to 2.9 m/s (7 mph). Interestingly, the wind trends indicate that the majority of spring months experience slightly higher velocities, suggesting a mild but invigorating atmosphere perfect for outdoor activities. Overall, May's winds contribute to the idyllic setting, supporting Del Mar’s reputation as a serene escape by the sea.

Average May Wind Speed in Del Mar

The chart displays monthly wind speed patterns in Del Mar, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.32.92.92.9 m/s2.92.72.72.62.52.02.7
Data source: Del Mar May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Del Mar Compares to Other Months

The weather in Del Mar 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 Del Mar and find detailed weather information for every month.

May and January present contrasting weather patterns. In May, the temperatures are more moderate, ranging from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), with an average of 17°C (62°F) and lower humidity at 46%. Precipitation is relatively light, totaling just 23 mm (0.9 in) over about 4 days. In contrast, January experiences cooler temperatures, with a minimum of 6°C (43°F) and an average of 14°C (57°F), while still reaching up to 26°C (79°F). However, it sees significantly more rainfall, amounting to 67 mm (2.6 in) across 5 days, and higher humidity at 72%. For a more thorough understanding of January weather, you can check Del Mar weather in January.

When comparing the weather in May and February, May generally offers a warmer and drier climate. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), with an average temperature of 17°C (62°F) and only 23 mm (0.9 in) of precipitation over 4 days. In contrast, February has cooler temperatures, with a minimum of 5°C (42°F) and an average of 13°C (56°F), reaching the same maximum of 26°C (79°F) but experiencing significantly more rainfall at 72 mm (2.8 in) across 7 days. Moreover, February's humidity is noticeably higher at 77%, compared to May's more comfortable 46%. For more detailed insights, you can check Del Mar weather in February.

When comparing the weather in May and March, it becomes clear that May tends to be warmer and drier. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), averaging around 17°C (62°F) with only 23 mm (0.9 in) of precipitation spread over 4 days. In contrast, March features cooler temperatures, with a minimum of 7°C (44°F) and a maximum of 25°C (77°F), averaging 14°C (58°F). Additionally, March sees significantly more precipitation at 64 mm (2.5 in) over 10 days and higher humidity at 67%. For more details on the weather in March, you can visit Del Mar weather in March.

In comparing the weather between April and May, May tends to be slightly warmer overall, with average temperatures ranging from 11°C (52°F) to a max of 26°C (79°F), compared to April's min of 10°C (50°F) and max of 29°C (84°F). April experiences more precipitation, totaling 30 mm (1.2 in) over 3 days, while May sees only 23 mm (0.9 in) over 4 days. Notably, May also has a lower humidity level at 46%, compared to April's 56%, contributing to a drier feel during the month. For deeper insights into April weather specifics, visit Del Mar weather in April.

May typically experiences milder temperatures with a minimum of 11°C (52°F) and an average of 17°C (62°F), reaching a maximum of 26°C (79°F). It sees more rainfall, with 23 mm (0.9 in) of precipitation over four days, and humidity levels are around 46%. In contrast, June tends to be warmer, with a minimum temperature of 14°C (57°F) and an average of 18°C (65°F), peaking at 29°C (85°F). Remarkably, June experiences very little rain, only 4 mm (0.2 in) and no rainy days, while humidity increases slightly to 48%. For more details about June weather in Del Mar, check this link: Del Mar weather in June.

May and July present notable differences in weather patterns. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), with an average of 17°C (62°F) and a modest precipitation of 23 mm (0.9 in) over four days. This month sees a comfortable humidity level of 46%. In contrast, July features warmer temperatures, with minimums of 16°C (61°F), averages reaching 21°C (70°F), and maximums soaring to 32°C (89°F). Notably, July experiences significantly less precipitation, with just 2 mm (0.1 in) and no rainy days, while maintaining the same humidity level of 46%. For more detailed insights, you can check out Del Mar weather in July.

In comparing the weather between May and August, there are notable differences in temperature and precipitation levels. May experiences a wider temperature range, with minimums around 11°C (52°F) and maximums reaching up to 26°C (79°F) with an average of 17°C (62°F). The month also sees some rainfall, accumulating to 23 mm (0.9 in) over approximately four days, along with a humidity level of 46%. In contrast, August enjoys warmer temperatures, with a minimum of 17°C (63°F) and maximums hitting 30°C (86°F), averaging at 22°C (72°F). This month is much drier, with only 2 mm (0.1 in) of precipitation over zero days and slightly lower humidity at 42%. For more details on the warm and dry conditions, you can check Del Mar weather in August.

May and September present distinct weather patterns. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), with an average of 17°C (62°F). The month experiences around 23 mm (0.9 in) of precipitation over four days, accompanied by relatively low humidity at 46%.

In contrast, September boasts warmer conditions, with a minimum temperature of 15°C (60°F) and a maximum of 32°C (90°F), leading to an average of 21°C (71°F). Notably, September enjoys significantly less rainfall, with only 5 mm (0.2 in) of precipitation recorded on zero days, while humidity rises slightly to 52%. For a detailed look at September weather, visit Del Mar weather in September.

May and October represent distinct weather patterns with some similarities and differences. In May, temperatures range from a minimum of 11°C (52°F) to a maximum of 26°C (79°F), with an average temperature of 17°C (62°F), and the month sees about 23 mm (0.9 in) of precipitation over 4 days, coupled with a humidity level of 46%. By contrast, October features a broader temperature range, with a minimum of 11°C (53°F) and a maximum reaching 34°C (93°F), resulting in a higher average temperature of 20°C (68°F). Precipitation decreases to 13 mm (0.5 in) across just 2 days, and humidity rises to 58%. For a more detailed look at October weather specifically, visit Del Mar weather in October.

When comparing the weather in May and November, both months exhibit relatively mild average temperatures, hovering around 17°C (62°F). However, May tends to be warmer during the day, with maximum temperatures reaching 26°C (79°F) compared to November's peak of 28°C (83°F). Precipitation is slightly higher in November at 34 mm (1.3 in) over just 2 days, while May receives 23 mm (0.9 in) spread across 4 days. Additionally, the humidity levels in November rise significantly to 66%, making it feel more damp than the drier, 46% humidity of May. For more details on November weather, you can visit Del Mar weather in November.

May and December in Del Mar showcase quite different weather patterns. In May, temperatures range from a pleasant minimum of 11°C (52°F) to a comfortable maximum of 26°C (79°F), with an average of 17°C (62°F). The month typically sees minimal rainfall, averaging only 23 mm (0.9 in) over about four days and maintaining a relatively low humidity of 46%.

In contrast, December experiences cooler temperatures with a minimum of 6°C (43°F) and a maximum of 25°C (77°F), averaging around 14°C (57°F). This month brings more precipitation, with about 73 mm (2.9 in) falling over six days, and higher humidity levels at 74%. For more detailed information about December weather, you can visit Del Mar weather in December.

Compare Del Mar's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Del Mar

As spring unfolds in Del Mar, May brings a delightful transition into warmer days, with temperatures rising noticeably compared to the previous months. With an average temperature of 17°C (62°F) and maximums reaching 26°C (79°F), locals and visitors alike enjoy more outdoor activities under the sun. The humidity sits comfortably at 46%, creating a pleasant atmosphere, while only a few light showers contribute a modest 23 mm (0.9 in) of precipitation throughout the month. This blend of sunny days and manageable weather makes May a wonderful time to experience the beauty of Del Mar, distinct from the cooler tendencies of earlier months. For further details on what to expect throughout the year, check out Del Mar Climate.