January Weather in Long Beach, United States

Last updated: February 24, 2025

January in Long Beach, United States, is characterized by mild temperatures and a damp atmosphere. The average temperature sits at a comfortable 10°C (50°F), with daytime highs reaching up to 21°C (71°F), while nighttime lows can dip as low as -6°C (21°F). Rainfall amounts to approximately 70 mm (2.8 in) spread over 9 days, contributing to the region's 83% humidity. This combination of moderate temperatures and moisture creates a unique winter experience, ideal for outdoor enthusiasts who enjoy the fresh coastal air.

January Temperature in Long Beach

In January, Long Beach experiences a cool climate, with temperatures ranging from a brisk -6°C (21°F) at night to a mild 21°C (71°F) during the day. With an average temperature of 10°C (50°F), the month marks the beginning of the gradual warming trend leading into the spring. As February rolls in, the nights get slightly warmer, but the daytime highs remain consistent, hovering around 21°C. March shows a noticeable shift as temperatures start to rise, with average highs reaching 23°C (74°F), signaling the onset of more temperate weather. This upward trend continues into April, where the warmth settles in with averages nearing 18°C (64°F). As the days lengthen and temperatures climb higher, Long Beach transforms into a pleasant retreat, setting the stage for the warmer months ahead.

January Weather in Long Beach: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Long Beach, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505457647277818077715954
Data source: Temperature data for Long Beach 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 Long Beach

In January, Long Beach experiences a modest precipitation total of 70 mm (2.8 in) over 9 days, setting the stage for a relatively dry start to the year. This is significantly less than the following months, with February bringing a notable increase to 108 mm (4.3 in) across 10 days. As the season progresses, the city sees a steady rise in rainfall, peaking in the summer months, particularly in August with 204 mm (8.0 in) drenched over 21 days. This trend highlights a clear shift from the drier winter months to the wetter summer season, indicating how Long Beach transforms as it moves through its annual precipitation cycle.

January Precipitation Trends in Long Beach

The chart displays monthly precipitation patterns in Long Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec70108759510713816420421267104132
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Long Beach

In January, Long Beach experiences a notable humidity level of 83%, making it one of the dampest months of the year. This slightly high humidity sets the tone for the winter months, with December following closely at 84%, while February and March see a more moderate decline to 79%. As spring approaches, humidity remains relatively consistent, averaging 78% from April through June. However, a slight uptick occurs in July and November, with humidity peaking again at 82%, creating a noticeable summer and late autumn shift. Overall, while humidity levels fluctuate, the general trend hints at a humid climate year-round, punctuated by peaks during the colder and transition months.

January Average Humidity in Long Beach

This chart illustrates the average monthly humidity levels in Long Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84%80%79%78%78%78%82%81%81%78%82%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Long Beach

In January, Long Beach experiences a moderate UV Index of 4, highlighting that while the sun can be enjoyable, precautions are still advisable with a burn time of 30 minutes. As the months progress, the UV Index escalates, demonstrating a clear trend: February sees an increase to 7 (high exposure) with a shorter burn time of 25 minutes, and by March, the index reaches 8, categorized as very high, with just 15 minutes until potential burns occur. This pattern continues, peaking in May through August at an extreme level of 11, where sun safety becomes critical, with only 10 minutes before skin damage can occur. Interestingly, as summer gives way to fall, the UV Index gradually declines, settling at 9 in September and dropping to 6 in November, before returning to a moderate level in December. This dynamic climate underscores the importance of vigilant sun protection, especially in the height of summer. For more detailed information on the UV Index throughout the year, visit Long Beach UV Index.

Maximum UV Index Levels in Long Beach for January

The chart shows the monthly maximum UV Index (UVI) for Long Beach 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.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Long Beach 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 Long Beach

In Long Beach, January kicks off the year with 183 hours of sunshine, setting the stage for a gradual increase in golden rays as the months roll by. As February breaks free from winter's grasp, the sunshine hours rise to 210, hinting at the promise of spring. By March, optimism flourishes with 279 hours, and this trend persists into April, boasting 311 hours as floral blooms adorn the landscape. The following months bask in even more sunlight, peaking in May with an impressive 342 hours before slightly dipping in June to 321. The warmth continues through the summer, with hours hovering between 320 and 339, creating a vibrant atmosphere perfect for outdoor activities. As autumn approaches, the sun still graces Long Beach with ample servings of light, yielding 299 hours in September and maintaining a consistent glow into October. Though the days may shorten through November's 240 and December's 212 hours, the cumulative effect of this monthly brilliance ensures that Long Beach remains a sunny oasis year-round.

Monthly Sunshine Duration in Long Beach: January Highlighted

The January sunshine duration represents the total number of hours Long Beach 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.
JanFebMarAprMayJunJulAugSepOctNovDec183h210h279h311h342h321h339h320h299h296h240h212h
Data source: Long Beach January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Long Beach During January

In January, Long Beach enjoys a 49% chance of sunny weather, setting a promising tone for the year ahead. This likelihood is relatively strong compared to the subsequent months, with February and March dipping to 36% and 35%, respectively. As the seasons change, the probabilities see a noticeable rise, peaking in April at 60% before leveling off again with May’s 50%. The trend subtly shifts toward sunnier skies in the fall, where September boasts a 55% chance, continuing to hover around 49% in October and 59% in November. This pattern highlights January as a month that balances sun and clouds, paving the way for sunnier days ahead.

Percentage of Sunny Days in January in Long Beach

The chart illustrates the percentage of sunny days in Long Beach 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 Long Beach experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%36%35%60%50%30%43%37%55%49%59%48%
Data source: Long Beach January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Long Beach in January

In January, Long Beach enjoys a moderate 10 hours of daylight, a soothing start to the year that sets the tone for the gradual increase in sunlight. As February rolls in, daylight remains steady at 10 hours, providing a consistent backdrop for winter activities. However, come March, the days begin to lengthen significantly, with an increase to 11 hours, heralding the early signs of spring. April and May bring a delightful surge in daylight to 13 hours, allowing for vibrant outdoor adventures and longer evenings. The height of summer in June and July sees daylight peak at a generous 14 hours, perfect for beach outings and sunsets that linger long into the night. As August arrives, the daylight hours begin to wane slightly to 13 hours, and by September, they're down to 12 hours, signaling the gentle transition into autumn. October and November continue this trend, with daylight tapering off to 11 and 10 hours, respectively, while December closes the year with just 9 hours, inviting cozy indoor moments as the winter solstice approaches. Overall, Long Beach experiences a rhythmic ebb and flow of daylight throughout the year, fostering a vibrant connection to the changing seasons.

Average Daylight Hours in Long Beach for January

The chart illustrates the variation in daylight duration in Long Beach throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 9m10h 57m11h 59m13h 3m13h 56m14h 22m14h 8m13h 20m12h 20m11h 17m10h 22m9h 54m
Data source: Long Beach daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Long Beach

In Long Beach, the January wind brings a refreshing average speed of 5.0 m/s (11 mph), creating a brisk yet inviting atmosphere as winter sets in. This month marks the transition into a seasonal peak, with winds gradually increasing in February and March, where they reach their highest at 5.4 m/s. As spring approaches in April and May, the winds slightly taper off, hovering around 5.0 m/s. However, a noticeable decline occurs during the summer, with July's gentle breezes averaging only 4.6 m/s and hitting the lowest in August at 3.7 m/s. As autumn descends, the winds begin to pick up steam again, particularly in November, where they bounce back to 5.2 m/s, before settling back to moderate speeds in December. Overall, the wind pattern reveals a rhythmic cycle, characterized by calm summer days and brisk winter gusts, painting a dynamic picture of Long Beach's coastal climate.

Average January Wind Speed in Long Beach

The chart displays monthly wind speed patterns in Long Beach, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.0 m/s5.45.45.05.14.94.63.74.14.75.24.9
Data source: Long Beach January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Long Beach Compares to Other Months

The weather in Long Beach 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 Long Beach and find detailed weather information for every month.

January and February exhibit notable similarities and differences in weather patterns. January experiences cooler temperatures, with a minimum of -6°C (21°F) and an average of 10°C (50°F), while February sees milder conditions, with a minimum of -1°C (30°F) and an average of 12°C (54°F). Both months have a maximum temperature of 21°C (71°F), but February tends to be wetter, receiving 108 mm (4.3 in) of precipitation compared to January's 70 mm (2.8 in), and it rains on slightly more days—10 compared to January's 9. Despite the increased precipitation, February's humidity is slightly lower at 79% compared to January's 83%. For more detailed insights on February weather, you can check out Long Beach weather in February.

January and March present distinct weather profiles in terms of temperature and precipitation. January experiences colder temperatures, with minimums dropping as low as -6°C (21°F) and an average of 10°C (50°F), while March sees a milder minimum of -1°C (31°F) and a higher average of 14°C (57°F). The maximum temperature in March peaks at 23°C (74°F), slightly warmer than January's maximum of 21°C (71°F). In terms of precipitation, both months receive similar amounts, with January registering 70 mm (2.8 in) and March slightly higher at 75 mm (2.9 in), both experiencing rainfall on about 9 days. Humidity levels remain relatively high, with January at 83% and March at 79%, indicating a slight decrease as the season transitions. For more detailed insights, check out Long Beach weather in March.

In comparing the weather between January and April, January experiences much colder temperatures, with minimums dipping to -6°C (21°F) and an average of 10°C (50°F). In contrast, April sees a significant warming trend, with minimum temperatures starting at 4°C (40°F) and an average of 18°C (64°F). Additionally, while January has 70 mm (2.8 in) of precipitation over 9 days, April sees slightly higher precipitation at 95 mm (3.7 in) but over just 8 days. Humidity levels are also more favorable in April at 78%, compared to January's 83%. For more detailed information, you can check Long Beach weather in April.

In January, the weather is quite cool, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 21°C (71°F) and an average temperature of 10°C (50°F). The month sees about 70 mm (2.8 in) of precipitation over 9 days, accompanied by high humidity at 83%. In contrast, May ushers in warmer temperatures, with a minimum of 11°C (52°F), an average of 22°C (72°F), and a peak of 32°C (89°F). Although precipitation increases to 107 mm (4.2 in) over 8 days, humidity drops slightly to 78%. For more detailed information, you can check Long Beach weather in May.

January and June showcase distinct contrasts in weather patterns. In January, temperatures range from a chilly minimum of -6°C (21°F) to a more moderate average of 10°C (50°F), with a maximum reaching 21°C (71°F). This month experiences about 70 mm (2.8 in) of precipitation over 9 days, accompanied by high humidity levels at 83%. In contrast, June boasts a milder climate with minimum temperatures of 15°C (59°F) and an average high of 25°C (78°F), peaking at 31°C (88°F). This month sees increased rainfall, measuring 138 mm (5.4 in) over 16 days, though humidity is slightly lower at 78%. For a closer look at weather specifics, check out Long Beach weather in June.

January and July present starkly contrasting weather conditions. In January, temperatures range from a chilly -6°C (21°F) to a mild 21°C (71°F), with an average of 10°C (50°F). The month receives 70 mm (2.8 in) of precipitation over about 9 days, accompanied by high humidity at 83%. In contrast, July boasts much warmer temperatures, with a minimum of 20°C (69°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). This summer month experiences significantly more rainfall at 163 mm (6.4 in) over 16 days, with the humidity slightly lower at 82%. To learn more about what to expect during July, you can check out Long Beach weather in July.

In January, the weather is notably cold, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 21°C (71°F) and an average of 10°C (50°F). The month receives about 70 mm (2.8 in) of precipitation over 9 days, accompanied by high humidity levels at 83%. In contrast, August showcases a warm climate, with temperatures varying from a minimum of 20°C (69°F) to a maximum of 32°C (89°F) and an average of 27°C (80°F). This month experiences significantly higher precipitation of 204 mm (8.0 in) spread over 21 days, while the humidity drops slightly to 81%. For a detailed look at the August weather in Long Beach, visit Long Beach weather in August.

In January, the weather is notably cooler, with temperatures ranging from a frigid minimum of -6°C (21°F) to a comfortable maximum of 21°C (71°F) and an average of around 10°C (50°F). The month sees about 70 mm (2.8 in) of precipitation over 9 days, coupled with a high humidity level of 83%. In contrast, September experiences significantly warmer conditions, with temperatures ranging from a minimum of 14°C (58°F) to a steamy maximum of 32°C (89°F) and an average of 25°C (78°F). However, September also brings a substantial amount of rainfall, totaling 212 mm (8.4 in) spread over 12 days, with humidity slightly lower at 81%. For more detailed insights, you can check Long Beach weather in September.

In comparing the weather between January and October, it's clear that October enjoys milder temperatures and less humidity. January presents chillier conditions, with minimum temperatures dropping to -6°C (21°F) and an average of 10°C (50°F), whereas October experiences a more pleasant range, with minimums around 7°C (45°F) and averaging 22°C (71°F). Precipitation levels are similar, with January receiving 70 mm over 9 days and October slightly less at 67 mm over 8 days. Humidity in January is higher at 83%, compared to the more comfortable 78% in October, making October a more inviting month for outdoor activities. For more details, check out Long Beach weather in October.

In comparing the weather of January and November, January tends to be colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 21°C (71°F) and an average of 10°C (50°F). In contrast, November experiences milder conditions, featuring minimum temperatures of 2°C (36°F) and maximum temperatures of 26°C (79°F), with an average of 15°C (59°F). Both months receive precipitation on about 9 days; however, November receives higher rainfall, totaling 104 mm (4.1 in) compared to January's 70 mm (2.8 in). Interestingly, humidity remains relatively stable in both months, with January at 83% and November slightly lower at 82%. For more detailed insights into November weather, you can check Long Beach weather in November.

In comparing the weather between January and December, January typically experiences colder temperatures, with a minimum of -6°C (21°F) and an average of 10°C (50°F), while December features a milder range, with temperatures dropping no lower than -1°C (30°F) and an average of 12°C (54°F). Additionally, December sees higher precipitation levels, totaling 132 mm (5.2 in) over approximately 10 days, compared to January's 70 mm (2.8 in) over 9 days. Humidity levels are fairly similar, with January at 83% and December slightly higher at 84%. For more detailed insights, you can check Long Beach weather in December.

Compare Long Beach's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Long Beach

As January rolls around in Long Beach, the weather takes a noticeable shift, offering a refreshing blend of crisp temperatures and occasional precipitation. With an average temperature hovering around 10°C (50°F), this month stands out when compared to the milder, more stable climate of the rest of the year. The increased humidity at 83% and the rain, which falls on about 9 days, create a unique atmosphere that contrasts sharply with the warmer and drier months ahead. This chilly interlude can be a perfect time for those seeking to escape the harsher winter climates elsewhere. For a detailed look at how January fits within the yearly climate patterns, explore the full insights on Long Beach Climate.