May Weather in Atlantic City, United States

Last updated: February 24, 2025

In May, Atlantic City comes alive with a refreshing blend of mild temperatures and increased humidity, making it an ideal time for outdoor activities. The maximum daily temperature reaches a pleasant 25°C (78°F), while the average hovers around 15°C (60°F), providing a comfortable climate for visitors. However, nature reminds us that it can still be brisk, with minimum temperatures dropping to 4°C (39°F). Rainfall is common, with 11 days of precipitation accumulating to a total of 115 mm (4.5 in), contributing to the region's lush beauty. Coupled with a humidity level of 74%, this month offers a dynamic atmosphere, perfect for exploration and enjoyment.

May Temperature in Atlantic City

As May arrives in Atlantic City, a notable warmth begins to envelop the coastal haven, paving the way for summer. With minimum temperatures rising to 4°C (39°F) and averages reaching 15°C (60°F), the month showcases a refreshing shift from the winter chill. Days can be quite pleasant, peaking at a maximum of 25°C (78°F), making it an ideal time for outdoor adventures. This warmth signals a significant departure from the previous months, marking May as a pivotal transition into the sun-soaked days ahead. With the ocean breezes providing a gentle reprieve, it's no wonder that visitors flock to enjoy the vibrant atmosphere Atlantic City has to offer in late spring.

May Weather in Atlantic City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Atlantic City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec384043515969767672645143
Data source: Temperature data for Atlantic City generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Atlantic City

In May, Atlantic City experiences a notable uptick in precipitation, with 115 mm (4.5 inches) recorded over 11 days—a figure that aligns closely with the previous month. This consistent rainfall signals the shift to summer, contributing to the lush greenery that emerges in the area. The relatively stable precipitation levels in April and May suggest a transitional pattern, as spring makes way for the warmer months ahead. As the region approaches June, the rainfall begins to taper off slightly, marking a shift in the overall climate as summer approaches. The combination of consistent moisture and moderate temperatures in May sets a serene scene, perfect for both locals and visitors to enjoy the burgeoning outdoor activities.

May Precipitation Trends in Atlantic City

The chart displays monthly precipitation patterns in Atlantic City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7911711198115691109712215294121
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Atlantic City

In Atlantic City, the month of May ushers in a noticeable shift in humidity, dropping to 74% after months of higher levels. This decline marks a departure from the consistently elevated humidity found in the winter and early spring months, where figures hovered above 79%. As the city transitions into summer, humidity levels begin to stabilize, with June and July showing slight increases to 77% and 76%, respectively. Overall, May stands out as a refreshing reprieve, hinting at the coastal breezes that characterize the region, making it a perfect time for outdoor activities amidst the moderate humidity.

May Average Humidity in Atlantic City

This chart illustrates the average monthly humidity levels in Atlantic City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%81%79%74%77%76%77%74%75%80%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Atlantic City

As May arrives in Atlantic City, the UV Index soars to an impressive 10, marking the beginning of a season with consistently high sun exposure. This month's very high exposure category means that residents and visitors alike should be particularly vigilant about sun protection, as the burn time decreases to a mere 15 minutes. The UV Index trend from moderate levels in January and February jumps to high by March, ultimately escalating to very high in April and continuing through the summer months. With June through August maintaining this intensity, May serves as a pivotal reminder to prepare for the sunny days ahead. For more detailed insights, explore the Atlantic City UV Index.

Maximum UV Index Levels in Atlantic City for May

The chart shows the monthly maximum UV Index (UVI) for Atlantic City 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: Atlantic City 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 Atlantic City

As the calendar flips to May, Atlantic City basks in the warmth of increasing sunshine, boasting 315 hours of bright daylight. This marked rise in sun-soaked days reflects a trend that begins in the earlier months: from a modest 158 hours in January, the hours steadily climb, with April already showing a promising 274 hours. May's sunshine not only sets the stage for vibrant outdoor activities but also foreshadows the peak summer months, where June and July shine with 342 and 364 hours respectively. This positive trajectory underscores the region's allure as a seasonal getaway, making May a pivotal month where spring truly transitions into a sun-drenched summer.

Monthly Sunshine Duration in Atlantic City: May Highlighted

The May sunshine duration represents the total number of hours Atlantic City 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.
JanFebMarAprMayJunJulAugSepOctNovDec158h183h264h274h315h342h364h335h294h252h228h187h
Data source: Atlantic City May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atlantic City During May

In Atlantic City, the likelihood of sunny weather tends to fluctuate throughout the year, showcasing a distinct pattern. As spring concludes, May presents a 47% chance of sunshine, slightly below April's 48% and a noticeable contrast to the vibrant July, which boasts a peak of 55%. While the anticipation of warmer months prompts hopes for clearer skies, the sun's presence is more prominent in distinct summer months like July and September, each reaching 55%. Conversely, late autumn shows a more favorable chance, with November rising to 56%. Overall, while May may not guarantee abundant sunshine, it remains part of a transitional period leading to summer, setting the stage for brighter days ahead.

Percentage of Sunny Days in May in Atlantic City

The chart illustrates the percentage of sunny days in Atlantic City 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 Atlantic City experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%28%54%48%47%42%55%36%55%46%56%36%
Data source: Atlantic City May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atlantic City in May

In Atlantic City, United States, May marks a delightful transition into longer days, with an average of 14 hours of daylight. This not only signals the gradual transition from the brisk winter months—where January offers just 9 hours of light—but also showcases the arrival of spring's vitality, as April presents a significant increase to 13 hours. May maintains this generous daylight, equaling the hours seen in June and July, inviting residents and visitors alike to embrace outdoor activities under the sun. As summer approaches, daylight begins to slowly wane, reminding us of the cyclical nature of the seasons. The annual rhythm creates a stunning backdrop for the vibrant life that flourishes in Atlantic City during this time.

Average Daylight Hours in Atlantic City for May

The chart illustrates the variation in daylight duration in Atlantic City throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 44m10h 43m11h 58m13h 15m14h 20m14h 52m14h 35m13h 37m12h 23m11h 6m9h 59m9h 25m
Data source: Atlantic City daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Atlantic City

In May, Atlantic City experiences a gentle breeze with an average wind speed of 4.9 m/s (11 mph), marking the beginning of a gradual decline in windiness that persists into the warmer summer months. Compared to the preceding months, May's winds are slight yet still provide a refreshing quality, particularly as the city gears up for its bustling summer season. This trend continues into June and July, where wind speeds drop further, reaching their yearly low of 4.3 m/s (10 mph) in July. However, as the summer fades into autumn, wind speeds begin to rise again, showcasing the dynamic shifts in Atlantic City’s weather patterns throughout the year.

Average May Wind Speed in Atlantic City

The chart displays monthly wind speed patterns in Atlantic City, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.46.25.65.24.9 m/s4.74.33.85.05.55.85.0
Data source: Atlantic City May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Atlantic City Compares to Other Months

The weather in Atlantic City 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 Atlantic City and find detailed weather information for every month.

May and January present distinctly contrasting weather conditions. May typically enjoys milder temperatures ranging from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), with an average of 15°C (60°F). This month experiences around 115 mm (4.5 in) of precipitation over 11 days and a relative humidity of 74%. In stark contrast, January is much colder, with temperatures dipping down to a minimum of -14°C (8°F) and an average of only 3°C (38°F), peaking at 16°C (61°F). January receives less rainfall, totaling 79 mm (3.1 in) over 9 days, but features higher humidity at 83%. For more detailed information, check out Atlantic City weather in January.

May and February present stark contrasts in weather. In May, temperatures range from a minimum of 4°C (39°F) to a pleasant maximum of 25°C (78°F), creating a comfortable average of 15°C (60°F). While May has a relatively high humidity of 74%, it experiences slightly less precipitation than February, with 115 mm (4.5 in) over 11 days. In contrast, February is much colder, with temperatures dropping as low as -12°C (11°F) and peaking at 13°C (57°F), leading to an average of only 4°C (40°F). This month sees a similar amount of precipitation at 117 mm (4.6 in), but spreads it over 12 days, contributing to a higher humidity of 82%. For a detailed look at February weather, check Atlantic City weather in February.

When comparing the weather in March and May, it's clear that May brings a significant increase in temperatures, with averages reaching around 15°C (60°F) compared to March's cooler 6°C (43°F). While both months experience similar levels of precipitation—May has 115 mm (4.5 in) over 11 days and March has 111 mm (4.4 in) over 10 days—March tends to be a bit more humid at 81%, compared to May's 74%. This shift in weather patterns highlights the transition from the chilly early spring of March to the milder, more pleasant conditions of May. For a detailed look at March weather specifically, check out Atlantic City weather in March.

In comparing the weather of April and May, we can observe a notable shift in temperatures and precipitation patterns. May generally experiences a higher temperature range, with minimums of 4°C (39°F) and maximums reaching 25°C (78°F), compared to April's cooler minimum of 1°C (34°F) and maximum of 21°C (70°F). The average temperature in May is also warmer at 15°C (60°F), while April maintains a cooler average of 11°C (51°F). Precipitation slightly increases in May, totaling 115 mm (4.5 in) over 11 days, compared to April's 98 mm (3.9 in) over the same number of days. However, despite the increase in rainfall, May has a slightly lower humidity level at 74% compared to April's 79%. For more details, you can check out Atlantic City weather in April.

May and June display noticeable differences in weather conditions. In May, temperatures range from a cool 4°C (39°F) to a pleasant max of 25°C (78°F), with an average of 15°C (60°F). Rainfall is more frequent, with about 115 mm (4.5 in) of precipitation over 11 days, and humidity levels sit at 74%. In contrast, June offers warmer temperatures, with a minimum of 12°C (53°F) and a high of 28°C (83°F), averaging 21°C (70°F). Rainfall decreases to 69 mm (2.7 in) across 9 days, and humidity rises slightly to 77%. For a more detailed look at June’s weather, check out Atlantic City weather in June.

May and July present distinct contrasts in weather patterns. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), with an average of 15°C (60°F). This month experiences considerable precipitation, totaling 115 mm (4.5 in) over about 11 days, and humidity levels sit at 74%. In contrast, July boasts warmer temperatures, with a minimum of 19°C (66°F), an average of 25°C (77°F), and a peak of 31°C (89°F). Precipitation in July is slightly lower at 109 mm (4.3 in) across 10 days, while humidity rises to 76%. For more detailed information, check out Atlantic City weather in July.

May and August exhibit distinct weather patterns, highlighting the transition from spring to summer. In May, temperatures range from a cool minimum of 4°C (39°F) to a pleasant maximum of 25°C (78°F), with an average of 15°C (60°F). This month experiences significant precipitation, totaling 115 mm (4.5 in) over 11 days and a humidity level of 74%. In contrast, August presents a warmer climate, with minimum temperatures starting at 18°C (64°F) and peaking at 30°C (86°F), averaging around 24°C (76°F). Precipitation in August is slightly lower at 97 mm (3.8 in) but occurs over a similar number of days (12), accompanied by a marginally higher humidity of 77%. For a detailed look at weather specifics, visit Atlantic City weather in August.

May and September present contrasting weather characteristics. In May, temperatures range from a chilly minimum of 4°C (39°F) to a comfortable maximum of 25°C (78°F), averaging around 15°C (60°F). The month experiences a fair amount of rainfall, with 115 mm (4.5 in) over approximately 11 days, all while maintaining a humidity level of 74%. In contrast, September boasts warmer temperatures, with a minimum of 13°C (56°F) and a maximum reaching 29°C (85°F), averaging 22°C (72°F). This month also sees slightly higher precipitation at 122 mm (4.8 in), though it falls over just 9 days, maintaining the same humidity level of 74%. For a detailed look at September weather in a specific location, check out Atlantic City weather in September.

May and October exhibit distinct weather patterns, marked by their unique temperature ranges and precipitation levels. In May, temperatures typically range from a chilly 4°C (39°F) at night to a pleasant 25°C (78°F) during the day, with an average of 15°C (60°F). The month sees about 115 mm (4.5 in) of precipitation over 11 days, coupled with a humidity level of 74%. Conversely, October experiences slightly warmer nights with a minimum of 6°C (44°F) and a maximum of 28°C (82°F), averaging 18°C (64°F). However, it has a higher precipitation total of 152 mm (6.0 in) over 10 days, maintaining a similar humidity level of 75%. For more detailed information, you can check out Atlantic City weather in October.

May and November exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 25°C (78°F), with an average of 15°C (60°F), accompanied by a higher precipitation level of 115 mm (4.5 in) over approximately 11 days. The humidity sits at a moderate 74%. In contrast, November experiences lower temperatures, with a minimum of -3°C (26°F) and a maximum of 21°C (70°F), averaging 11°C (51°F). Although it receives less precipitation at 94 mm (3.7 in) over 9 days, humidity increases to 80%. For those interested in a closer look at November weather, you can explore more details here: Atlantic City weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a mild 4°C (39°F) to a warm 25°C (78°F), with an average of 15°C (60°F); the month experiences 115 mm (4.5 in) of rainfall over 11 days and a humidity level of 74%. In contrast, December sees much colder conditions, with temperatures dipping as low as -8°C (18°F) and averaging 6°C (44°F), peaking at 17°C (64°F). This month has slightly higher precipitation at 121 mm (4.8 in), also spread across 11 days, but with increased humidity at 81%. For more insights, check out Atlantic City weather in December.

Compare Atlantic City's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Atlantic City

As spring transitions into summer, May in Atlantic City invites a delightful change in weather. The days grow increasingly warm, with average temperatures rising significantly compared to the cooler early months of the year. However, with an average humidity level of 74% and notable rainfall across approximately 11 days, May maintains a refreshing balance, making it vibrant yet occasionally damp. This unique climate enables visitors to enjoy the beauty of blooming landscapes while remaining prepared for brief showers. For a deeper understanding of seasonal shifts and trends, explore more about the city's weather patterns at Atlantic City Climate.