January Weather in Atlantic City, United States

Last updated: February 24, 2025

In January, Atlantic City experiences a blend of winter chill and sporadic precipitation, making it a fascinating time to visit. The average temperature hovers around 3°C (38°F), with highs reaching 16°C (61°F) and lows plummeting to -14°C (8°F). Visitors should prepare for potential rain, as the city sees an average of 79 mm (3.1 in) of precipitation over 9 days of the month, contributing to a high humidity level of 83%. This unique weather dynamic creates a crisp atmosphere perfect for winter strolls along the boardwalk, complemented by the vibrant energy of the city.

January Temperature in Atlantic City

In January, Atlantic City experiences a mix of chilly temperatures that significantly vary throughout the month. The temperatures can dip to a brisk -14°C (8°F) at their lowest, while daytime highs can reach a more moderate 16°C (61°F). With an average of 3°C (38°F), visitors can expect a stark contrast between the cold mornings and relatively warmer afternoons. This month sets the stage for a gradual warming trend as winter transitions into spring, with February showing a slight increase in average temperatures. The relatively milder conditions in January hint at the city's seasonal shifts, paving the way for upcoming months that feature increasingly warmer weather as spring unfolds.

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

The chart illustrates January 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.

January Precipitation in Atlantic City

In Atlantic City, January typically sees a precipitation amount of 79 mm (3.1 in) spread across approximately 9 days. This sets the stage for a month that, while relatively mild, begins a gradual increase in rainfall as winter gives way to spring. Notably, February follows with a sharp rise in total precipitation to 117 mm (4.6 in) over 12 days, hinting at the transition towards a wetter season. As the months progress, March and April maintain this trend with 111 mm (4.4 in) and 98 mm (3.9 in) of rain, respectively. Interestingly, January's relatively lower precipitation paves the way for the wetter months ahead, with October peaking at 152 mm (6.0 in), culminating in a notable increase compared to the earlier winter months. This pattern highlights a clear rhythm in Atlantic City's climate, where January serves as the subdued starting point in the annual cycle of precipitation.

January Precipitation Trends in Atlantic City

The chart displays monthly precipitation patterns in Atlantic City, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec7911711198115691109712215294121
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Atlantic City

In January, Atlantic City experiences a high humidity level of 83%, setting a damp tone for the winter month. This trend of elevated moisture continues into February at 82%, before gradually declining over the spring months. By April, humidity drops to 79% and further lessens to 74% in May, marking the transition into milder weather. As summer approaches, a slight uptick occurs in June (77%) and August (77%), but overall, the humidity remains relatively stable. By September and October, humidity levels descend to 74% and 75%, respectively, reflecting a consistent freshness. The year wraps up with November and December registering 80% and 81%. This cyclical pattern underscores Atlantic City's moderately humid climate, with winter months typically more humid, giving way to milder conditions in the spring and fall.

January Average Humidity in Atlantic City

This chart illustrates the average monthly humidity levels in Atlantic City, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%81%79%74%77%76%77%74%75%80%81%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Atlantic City

In January, Atlantic City experiences a UV Index of 3, indicating a moderate exposure level with a burn time of about 30 minutes. This trend of moderate levels continues into February with a slight increase to a UV Index of 5, while the sun becomes more intense as spring approaches; by March, the Index escalates to 6, marking a transition into the high exposure category and reducing potential burn time to just 25 minutes. A noticeable jump occurs in April, when the UV Index peaks at 9, and remains at a very high exposure level throughout the summer months, peaking at 10 from May to August, where a mere 15 minutes of unprotected sun exposure can lead to burns. As the year progresses, the UV Index gradually diminishes, reaching 4 in November and falling back to 3 in December. This pattern highlights the importance of UV awareness, especially in the warmer months. For more details and monthly specifics, visit Atlantic City UV Index.

Maximum UV Index Levels in Atlantic City for January

The chart shows the monthly maximum UV Index (UVI) for Atlantic City in January, 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 January 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.

January Sunshine in Atlantic City

In Atlantic City, January brings a modest 158 hours of sunshine, setting the stage for a gradual increase in brightness as the year unfolds. As winter transitions to spring, February welcomes 183 hours, hinting at the longer, sunnier days ahead. By March, the city enjoys a substantial leap to 264 hours, and with the arrival of April, those days grow even longer to 274 hours. The sun truly shines in summer, peaking in July with an impressive 364 hours, before beginning a gentle decline through the late summer and fall months. As temperatures cool, sunshine remains plentiful, yet fluctuates, with 294 hours in September tapering down to 187 hours by December. This trend showcases not just the vitality of summer, but also the steady rhythm of seasonal change that Atlantic City residents cherish throughout the year.

Monthly Sunshine Duration in Atlantic City: January Highlighted

The January sunshine duration represents the total number of hours Atlantic City experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec158h183h264h274h315h342h364h335h294h252h228h187h
Data source: Atlantic City January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Atlantic City During January

In Atlantic City, the likelihood of experiencing sunny weather in January stands at a notable 52%, making it one of the brighter spots in the winter months. This figure is quite significant when compared to February, where the chances drop sharply to 28%, highlighting a trend of increased sunshine as winter gradually wanes. As we transition into early spring, March sees a slight uptick with 54% chances, suggesting that sunny days become more common as temperatures rise. However, April slightly dips to 48%, yet remains above the February lows. Overall, January acts as a promising start to the year, setting a positive tone for the sunnier months ahead.

Percentage of Sunny Days in January in Atlantic City

The chart illustrates the percentage of sunny days in Atlantic City throughout the year, with January 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 January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Atlantic City in January

In January, Atlantic City experiences about 9 hours of daylight, a reminder of winter's grasp. As the month progresses into February, an additional hour of light emerges, signifying the gradual return of the sun’s warmth. This upward trend continues, with daylight reaching 11 hours in March and peaking at 14 hours during the lush summer months of May through July. Following this bright peak, daylight begins its slow descent, dropping to 13 hours in August and tapering off to 9 hours by December. This cyclical pattern not only marks the changing seasons but also invites residents and visitors alike to relish the longer days of spring and summer, while embracing the cozy, shorter days of winter.

Average Daylight Hours in Atlantic City for January

The chart illustrates the variation in daylight duration in Atlantic City throughout the year, with January 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.

January Winds in Atlantic City

In January, Atlantic City experiences a brisk average wind speed of 5.4 m/s (12 mph), setting a lively tone for the new year. As winter gives way to spring, the wind picks up slightly in February with speeds increasing to 6.2 m/s (14 mph), coupled with the anticipation of warmer days ahead. By March, winds moderate again to 5.6 m/s (13 mph), while a gentle decline unfolds as the seasons progress into the warmer months, reaching their calmest in July at just 4.3 m/s (10 mph). The trend indicates a gradual breeze through the summer, peaking in November at 5.8 m/s (13 mph) before settling back to 5.0 m/s (11 mph) by December. This seasonal ebb and flow of wind speeds fosters a dynamic environment, reflecting both the coastal charm and diverse weather patterns of Atlantic City.

Average January Wind Speed in Atlantic City

The chart displays monthly wind speed patterns in Atlantic City, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.4 m/s6.25.65.24.94.74.33.85.05.55.85.0
Data source: Atlantic City January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January'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.

January and February exhibit notable similarities and differences in weather patterns. In January, temperatures range from a minimum of -14°C (8°F) to a maximum of 16°C (61°F), with an average of 3°C (38°F). In contrast, February's temperatures are slightly milder, with minimums of -12°C (11°F) and maximums of 13°C (57°F), yielding an average of 4°C (40°F). While January receives about 79 mm (3.1 in) of precipitation over 9 days, February sees an increase, with 117 mm (4.6 in) of rain over 12 days. Humidity levels remain fairly consistent, around 83% in January and 82% in February. For those interested in specific conditions, you can find additional details about Atlantic City weather in February.

In January, the weather is quite cold, with temperatures ranging from a minimum of -14°C (8°F) to an average of 3°C (38°F), and reaching a maximum of 16°C (61°F). The month experiences around 79 mm (3.1 inches) of precipitation over 9 days, coupled with high humidity levels at 83%. In contrast, March shows a slight warming trend, with temperatures ranging from a minimum of -6°C (22°F) to an average of 6°C (43°F), and reaching a maximum of 18°C (66°F). Precipitation increases to 111 mm (4.4 inches) over 10 days, while humidity decreases slightly to 81%. For more detailed insights about the weather in March, check out Atlantic City weather in March.

January and April present a stark contrast in weather conditions. In January, temperatures can plunge as low as -14°C (8°F), with an average of 3°C (38°F) and occasional highs reaching 16°C (61°F). The month experiences around 79 mm (3.1 in) of precipitation over approximately 9 days, coupled with high humidity at 83%. On the other hand, April brings a milder climate, with temperatures ranging from a minimum of 1°C (34°F) to an average of 11°C (51°F) and maximums soaring to 21°C (70°F). Precipitation increases slightly to 98 mm (3.9 in) over 11 days, and the humidity is slightly lower at 79%. For more detailed weather information, you can check Atlantic City weather in April.

January and May present strikingly different weather patterns. In January, temperatures can drop as low as -14°C (8°F), with an average around 3°C (38°F) and a maximum of 16°C (61°F). The month sees quite a bit of precipitation at 79 mm (3.1 in) over approximately 9 days, accompanied by a high humidity level of 83%. In contrast, May features significantly milder conditions, with minimum temperatures around 4°C (39°F) and averages soaring to 15°C (60°F), peaking at 25°C (78°F). Precipitation also increases to 115 mm (4.5 in) over 11 days, but humidity is lower at 74%. For more detailed insights, refer to the Atlantic City weather in May.

The weather in January and June presents a stark contrast in both temperature and overall climate. In January, temperatures can plummet to as low as -14°C (8°F), with an average at 3°C (38°F) and a maximum reaching 16°C (61°F). This month is characterized by higher humidity levels at 83% and considerable precipitation, averaging 79 mm (3.1 in) over about 9 days. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 12°C (53°F) to an average of 21°C (70°F), peaking at a comfortable 28°C (83°F). Despite slightly lower precipitation at 69 mm (2.7 in) also spread over 9 days, June experiences less humidity at 77%. For a more detailed look at June's weather patterns, check out Atlantic City weather in June.

In January, the weather is characterized by cold temperatures, with a minimum of -14°C (8°F) and an average of just 3°C (38°F), while the maximum can reach 16°C (61°F). The month experiences significant humidity at 83% and about 79 mm (3.1 in) of precipitation over 9 days. In contrast, July brings much warmer and more humid conditions, with temperatures ranging from a minimum of 19°C (66°F) to an average of 25°C (77°F) and a maximum reaching 31°C (89°F). Although July has slightly more precipitation at 109 mm (4.3 in) over 10 days, the humidity is lower at 76%. For more details on summer weather specifics, check out Atlantic City weather in July.

January and August showcase a stark contrast in weather conditions. January temperatures often drop to a frigid minimum of -14°C (8°F) and generally hover around an average of 3°C (38°F), with a maximum reaching only 16°C (61°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 9 days, accompanied by high humidity levels of 83%. In contrast, August brings warmth and higher temperatures, with minima around 18°C (64°F) and averages peaking at 24°C (76°F), reaching up to a sweltering 30°C (86°F). Precipitation increases slightly to 97 mm (3.8 in) over about 12 days, and humidity is somewhat lower at 77%. For more insights on the summer weather, check out Atlantic City weather in August.

January and September present stark contrasts in weather. January's temperatures can drop as low as -14°C (8°F) and hover around an average of 3°C (38°F), while September enjoys milder conditions, with lows around 13°C (56°F) and an average high of 22°C (72°F). Additionally, September sees warmer maximum temperatures, reaching up to 29°C (85°F), compared to January's peak of 16°C (61°F). Precipitation is more abundant in September, totaling 122 mm (4.8 in) over 9 days, compared to January's 79 mm (3.1 in) over the same number of days. While January boasts a higher humidity level at 83%, September’s humidity is slightly lower at 74%. For more specific details on September weather trends, refer to Atlantic City weather in September.

In January, the weather is characterized by a significant chill, with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 16°C (61°F), averaging around 3°C (38°F). This month typically sees about 79 mm (3.1 in) of precipitation over 9 days, accompanied by a high humidity level of 83%. In contrast, October brings a much milder climate, with temperatures varying from a minimum of 6°C (44°F) to a maximum of 28°C (82°F) and an average temperature of 18°C (64°F). While October experiences a higher total precipitation of 152 mm (6.0 in) over 10 days, the humidity is slightly lower at 75%. For more detailed information, check out Atlantic City weather in October.

In January, temperatures can be quite frigid, with minimums dipping as low as -14°C (8°F) and a chilly average of 3°C (38°F). In contrast, November experiences milder weather, with temperatures ranging from a minimum of -3°C (26°F) to a comfortable average of 11°C (51°F), peaking at 21°C (70°F). Precipitation levels are slightly higher in November, totaling 94 mm (3.7 in) over similar days of rain, compared to January's 79 mm (3.1 in). Additionally, November maintains a lower humidity level of 80% compared to January's 83%, making it feel a bit more pleasant overall. For more details about the weather specifics in November, visit Atlantic City weather in November.

In January, temperatures typically drop further, with a minimum of -14°C (8°F) and an average of 3°C (38°F), compared to December’s milder range where temperatures hold steady at a minimum of -8°C (18°F) and an average of 6°C (44°F). While both months experience similar maximum temperatures, January’s average reflects a cooler atmosphere. Additionally, January sees less precipitation at 79 mm (3.1 in) over 9 days, compared to December’s higher total of 121 mm (4.8 in) across 11 days. Humidity remains consistent between the two months, hovering around 81% in December and slightly rising to 83% in January, indicating a continued dampness in the air. For more detailed weather insights, check out Atlantic City weather in December.

Compare Atlantic City's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Atlantic City

As winter settles in, January in Atlantic City brings a daring contrast to the milder months that precede and follow it. With temperatures dipping significantly, the average chill casts a brisk atmosphere, making it a month where cozy layers become essential. Precipitation is also more pronounced, with a notable number of rainy days adding to the wintery feel. The higher humidity combined with the cold creates a damp sensation that can be quite different from the sunnier, more temperate vibes of autumn or spring. For those planning a visit, it's a stark reminder that while Atlantic City is known for its bustling boardwalk and vibrant nightlife, January presents a quieter, more introspective side of this iconic destination. For a deeper dive into what to expect throughout the year, check out Atlantic City Climate.