May Weather in Cape May, United States

Last updated: February 24, 2025

May in Cape May, United States, showcases a delightful transition into warmer days, with maximum temperatures reaching a pleasant 27°C (81°F) and an average of 16°C (61°F). While the minimum temperatures dip to a cool 5°C (41°F), the overall climate feels refreshing. Expect some rainfall, as this month typically sees 125 mm (4.9 in) of precipitation over approximately 12 days, contributing to the region's lush scenery. The humidity levels hover around a cozy 78%, adding to the charm of this coastal destination in springtime.

May Temperature in Cape May

As spring transitions into summer, Cape May experiences a delightful jump in temperatures during May. The month begins with minimum temperatures around 5°C (41°F), gradually climbing to an average of 16°C (61°F), with highs reaching 27°C (81°F). This warming trend signifies a marked departure from the chill of earlier months, such as January and February, where temperatures lingered around freezing. As daylight lengthens and the sun brings more warmth, May serves as a vibrant prelude to the summer season, inviting residents and visitors alike to enjoy the fresh coastal air and blossoming scenery. The combination of pleasant days and cooler nights makes it an ideal time for outdoor activities, setting the stage for the beach season just around the corner.

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

The chart illustrates May temperature patterns in Cape May, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384044536171787772645143
Data source: Temperature data for Cape May 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 Cape May

In May, Cape May experiences a notable uptick in precipitation, with 125 mm (4.9 in) of rain falling over 12 days. This marks a significant increase from the previous month, highlighting the transition into a wetter season as spring gives way to summer. Compared to other months, May's rainfall is among the highest, surpassed only by July and October, underscoring the region's propensity for rain during this time of year. The continued rhythm of rainy days not only contributes to the lush greenery but also sets the stage for the vibrant summer atmosphere that Cape May is known for. As the days grow longer and warmer, the increase in precipitation reflects the complex interplay of seasonal shifts, making May a pivotal month in the rhythm of Cape May's climate.

May Precipitation Trends in Cape May

The chart displays monthly precipitation patterns in Cape May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec74113111941257712911510714290118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cape May

As spring transitions into summer, May in Cape May experiences a notable dip in humidity, averaging around 78%. This decrease marks a shift from the higher humidity levels of the early months, where January through April hovered close to 83%. Following May, the humidity slightly rebounds in June to 79%, before reaching its lowest point in July at 74%. This trend illustrates how the coastal climate gradually shifts towards a more pleasant and comfortable atmosphere as visitors flock to the area, making May an ideal month for enjoying the outdoors before the peak heat of summer settles in.

May Average Humidity in Cape May

This chart illustrates the average monthly humidity levels in Cape May, 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%83%83%81%78%79%74%72%75%81%85%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cape May

In May, Cape May welcomes the increasing warmth of spring with a UV Index of 10, marking a shift to a very high exposure category that warrants caution during outdoor activities. As the burn time shortens to just 15 minutes, it's vital to protect your skin against intense sun exposure. Following a progression from moderate levels in January and February to high in March and very high levels in April, May signifies a peak in UV intensity, a trend that continues through the summer months. As you enjoy the beautiful beach and outdoor festivities, remember to prioritize sun safety. For more detailed information, visit the Cape May UV Index.

Maximum UV Index Levels in Cape May for May

The chart shows the monthly maximum UV Index (UVI) for Cape May 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.
JanFebMarAprMayJunJulAugSepOctNovDec3569101010108743
Data source: Cape May 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 Cape May

In Cape May, the arrival of May brings a delightful surge in sunshine, with 306 hours of glorious sunlight illuminating the stunning coastal scenery. This marks a significant increase from the earlier months, reflecting a gradual ascent from 157 hours in January to 272 hours in April. As the days warm, residents and visitors alike bask in the vibrant atmosphere, paving the way for the bustling summer season. This trend of increasing daylight continues into June and July, peaking at 361 hours, before gradually tapering off in the later months. Overall, May serves as a perfect springboard into the sun-drenched summer days that Cape May is famous for, inviting everyone to enjoy the outdoor splendor.

Monthly Sunshine Duration in Cape May: May Highlighted

The May sunshine duration represents the total number of hours Cape May 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.
JanFebMarAprMayJunJulAugSepOctNovDec157h183h259h272h306h339h361h329h285h245h228h188h
Data source: Cape May May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Cape May During May

In Cape May, United States, the likelihood of sunny weather in May hovers around 45%, showcasing a slightly below-average chance of sunshine as the spring season starts to transition into summer. This reflects a trend where May experiences less sun compared to several preceding months, such as March with 53% and April at 48%. Interestingly, the summer months show a promising increase, particularly in July, which boasts a sunny likelihood of 54%. Conversely, the month of August dips to 36%, indicating that while May may not be the sunniest, the seasonal patterns suggest both variability and hope for sun-drenched days ahead as summer approaches.

Percentage of Sunny Days in May in Cape May

The chart illustrates the percentage of sunny days in Cape May 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 Cape May experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%29%54%48%45%43%54%36%56%46%55%37%
Data source: Cape May May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Cape May in May

As spring transitions into summer, Cape May, United States, experiences a delightful increase in daylight duration, reaching 14 hours by May. Beginning the year in January with just 9 hours of daylight, there is a steady upward trend as days lengthen, adding an hour in February and another hour each in March and April. This gradual accumulation culminates in May, where the sun graces the skies for a full 14 hours, creating the perfect backdrop for outdoor adventures and coastal activities. Following this peak, daylight remains consistent through June and July before gradually tapering off in the late summer months of August and September. The rhythm of the seasons in Cape May not only enhances the beauty of its landscape but also invites both residents and visitors to revel in the longer, sun-drenched days of spring and early summer.

Average Daylight Hours in Cape May for May

The chart illustrates the variation in daylight duration in Cape May throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 46m10h 44m11h 58m13h 14m14h 18m14h 50m14h 33m13h 36m12h 23m11h 7m10h 1m9h 28m
Data source: Cape May daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Cape May

May in Cape May offers a gentle breeze, with average wind speeds reaching 5.0 m/s (11 mph). This marks a slight decrease from the windier months of winter and early spring, where January and March recorded averages of 5.5 m/s (12 mph) and 5.7 m/s (13 mph), respectively. As the region transitions into the summer months, wind speeds continue to drop, hitting their lowest in August at 3.7 m/s (8 mph). This gradual decline from the brisk winds of earlier months sets the stage for the calmer, warmer days ahead, making May an ideal time for leisurely strolls along the beach or enjoying the beautiful coastal scenery.

Average May Wind Speed in Cape May

The chart displays monthly wind speed patterns in Cape May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.56.25.75.55.0 m/s4.54.33.75.05.45.95.0
Data source: Cape May May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Cape May Compares to Other Months

The weather in Cape May 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 Cape May and find detailed weather information for every month.

May and January present striking contrasts in weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a pleasant average of 16°C (61°F), peaking at a comfortable 27°C (81°F). This month typically experiences 125 mm (4.9 in) of precipitation over about 12 days, with a humidity level around 78%. In contrast, January sees much colder conditions, with temperatures dipping as low as -12°C (11°F) and averaging just 3°C (38°F). The maximum temperature in January reaches only 16°C (62°F), and precipitation is lower at 74 mm (2.9 in) spread over 9 days, with a slightly higher humidity of 84%. For more detailed insights, check out Cape May weather in January.

May and February present stark contrasts in weather. May enjoys milder temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 27°C (81°F), while February sees much colder conditions with temperatures fluctuating between -11°C (12°F) and a maximum of 15°C (60°F). Precipitation levels are relatively similar, with May receiving about 125 mm (4.9 in) and February slightly less at 113 mm (4.4 in), although both months experience rain on approximately 12 days. Humidity levels are also slightly lower in May at 78%, compared to February's higher humidity rate of 83%. For a closer look at the weather specifics during February, you can visit Cape May weather in February.

May's weather is generally warmer and more pleasant compared to March. With average temperatures reaching 16°C (61°F) and a maximum of 27°C (81°F), May offers a comfortable escape from the cooler early spring days, where March sees an average of only 7°C (44°F) and a maximum of 20°C (68°F). While May experiences slightly higher precipitation at 125 mm (4.9 in), spread over 12 days, March is not far behind with 111 mm (4.4 in) over 10 days. The humidity in March is marginally higher at 83%, compared to May's 78%. For a closer look at this transition in weather, you can check the Cape May weather in March.

In comparing the weather of May and April, May generally presents a warmer climate with minimum temperatures starting at 5°C (41°F), an average of 16°C (61°F), and maximums reaching up to 27°C (81°F). In contrast, April is cooler, with minimum temperatures around 2°C (35°F) and an average of just 11°C (53°F), though it can peak at 25°C (78°F). While both months see considerable precipitation, May has slightly more rainfall at 125 mm (4.9 in) over 12 days compared to April's 94 mm (3.7 in) over 11 days. Humidity levels are relatively similar, with April being a touch higher at 81% compared to May's 78%. For more detailed insights on April weather, you can explore Cape May weather in April.

When comparing the weather in May and June, notable differences emerge. May experiences cooler temperatures, with a minimum of 5°C (41°F) and an average of 16°C (61°F), while June sees a warmer minimum of 13°C (55°F) and an average of 22°C (71°F). Additionally, June tends to be drier, receiving only 77 mm (3.0 in) of precipitation over 9 days, compared to May's 125 mm (4.9 in) over 12 days. Humidity remains relatively stable, with May at 78% and June slightly higher at 79%. For more detailed information about the weather in June, check out Cape May weather in June.

In comparing the weather between May and July, May tends to be cooler with a minimum temperature of 5°C (41°F) and an average of 16°C (61°F), while July experiences significantly warmer temperatures, with a minimum of 19°C (67°F) and an average of 25°C (78°F). Both months have similar levels of precipitation, with May receiving 125 mm (4.9 in) over 12 days and July experiencing slightly more at 129 mm (5.1 in) but spread over just 10 days. Additionally, May has higher humidity at 78%, compared to July's 74%. This contrast highlights the transition from cooler spring weather to the warm summer months. For more detailed information about the weather in Cape May during July, visit Cape May weather in July.

In May, the weather is quite mild, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 27°C (81°F) and an average of 16°C (61°F). However, this month also experiences significant rainfall, with 125 mm (4.9 in) over approximately 12 days and a high humidity level of 78%. In contrast, August brings warmer temperatures, with a minimum of 18°C (65°F), an average of 25°C (77°F), and a maximum of 30°C (86°F). While the precipitation levels are slightly lower at 115 mm (4.5 in), August has more rainy days, totaling around 14. Additionally, humidity drops to 72%, making for a more comfortable summer experience. For more details, check out Cape May weather in August.

May and September each bring distinct weather characteristics to the region. In May, temperatures range from a low of 5°C (41°F) to a high of 27°C (81°F), with an average temperature of 16°C (61°F). The month experiences about 125 mm (4.9 in) of precipitation over 12 days, coupled with relatively high humidity at 78%.

Conversely, September offers milder and more stable temperatures, with a minimum of 13°C (56°F) and a maximum of 29°C (85°F), leading to an average temperature of 22°C (72°F). It sees slightly less precipitation, totaling 107 mm (4.2 in) over 10 days, and the humidity is a touch lower at 75%. For more detailed insights into September's weather, you can check out Cape May weather in September.

May and October both offer mild weather, but they have distinct characteristics. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 27°C (81°F), with an average of 16°C (61°F). The month sees about 125 mm (4.9 inches) of precipitation over 12 days, accompanied by a humidity level of 78%. In contrast, October experiences slightly warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 28°C (83°F), averaging 18°C (64°F). Although October receives a bit more rainfall at 142 mm (5.6 inches) over 9 days, the humidity is slightly higher at 81%. For more detailed information on this month, check out Cape May weather in October.

May and November present contrasting weather characteristics. In May, temperatures range from a chilly minimum of 5°C (41°F) to a warm maximum of 27°C (81°F), with an average of 16°C (61°F). The month experiences considerable rainfall, totaling 125 mm (4.9 in) over approximately 12 days, accompanied by a humidity level of 78%. In contrast, November's temperatures dip notably, with a minimum of -3°C (27°F) and a maximum of 22°C (71°F), leading to a cooler average of 10°C (51°F). While November sees less precipitation, totaling 90 mm (3.5 in) across about 8 days, humidity rises to 85%, creating a distinct atmosphere. For more details, please refer to Cape May weather in November.

In May, the weather is generally milder, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 27°C (81°F) and an average of 16°C (61°F). The month experiences about 125 mm (4.9 in) of precipitation over approximately 12 days, accompanied by a humidity level of 78%. In contrast, December presents a chillier climate, with temperatures dropping to a minimum of -7°C (20°F) and reaching a maximum of 17°C (64°F), averaging at 6°C (44°F). Although December experiences slightly less precipitation at 118 mm (4.6 in) over 11 days, the humidity is higher at 84%. For more details on the weather in December, you can refer to Cape May weather in December.

Compare Cape May's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Cape May

As spring fully blossoms in May, Cape May experiences a delightful transformation in weather, marked by a comfortable average temperature and refreshing breezes. Unlike the chillier months preceding it, June welcomes warmer days, with most locals and visitors enjoying the pleasant mix of sun and clouds. While May does see its fair share of precipitation, typically measured over a handful of days, this moisture nourishes the vibrant scenery that defines the Cape. The prevailing humidity adds a gentle warmth, making it a perfect time for outdoor activities. As you prepare for your visit, be sure to explore more about the seasonal variations at Cape May Climate.