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January Weather in Pearl City, United States

Last updated: June 24, 2025

In January, the average temperature in Pearl City, United States hovers around -5°C (23°F), with the mercury dropping as low as -32°C (-25°F) and peaking at a brisk 11°C (53°F). Expect 58 mm (2.3 in) of precipitation spread over 8 days, contributing to an average humidity of 85% that keeps the atmosphere quite crisp!

January Temperature in Pearl City

In January in Pearl City, the average temperature is -5°C (23°F). The maximum can reach 11°C (53°F), while the minimum can drop as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures and dress warmly for their visit.

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

The chart illustrates January temperature patterns in Pearl City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pearl City, January typically has an average temperature of -5°C (23°F), with highs reaching up to 11°C (53°F) and lows dropping to around -32°C (-25°F).
JanFebMarAprMayJunJulAugSepOctNovDec222438476172757266523731
Data source: Temperature data for Pearl City 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.

January Precipitation in Pearl City

In Pearl City in January, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in Pearl City

The chart displays monthly precipitation patterns in Pearl 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. In Pearl City, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec58587310014811984931211104650
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Pearl City

In Pearl City in January, humidity is 85%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that clings to your skin, making even the briefest outdoor excursions feel daunting and uncomfortable.

January Average Humidity in Pearl City

This chart illustrates the average monthly humidity levels in Pearl City, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Pearl City is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Pearl City

In Pearl City in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Pearl City, you can check the information here.

Maximum UV Index Levels in Pearl City for January

The chart shows the monthly maximum UV Index (UVI) for Pearl 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. In January, the maximum UV index in Pearl City typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Pearl 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.

How January Weather in Pearl City Compares to Other Months

Weather in Pearl City varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Pearl City, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Pearl City, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)58 mm (2.3 inches)85%moderate
February Weather-4°C (25°F)58 mm (2.3 inches)85%moderate
March Weather3°C (38°F)73 mm (2.9 inches)85%high
April Weather9°C (48°F)100 mm (3.9 inches)85%very high
May Weather16°C (61°F)148 mm (5.8 inches)78%very high
June Weather22°C (72°F)119 mm (4.7 inches)80%very high
July Weather24°C (76°F)84 mm (3.3 inches)78%very high
August Weather22°C (72°F)93 mm (3.7 inches)76%very high
September Weather19°C (67°F)121 mm (4.8 inches)79%very high
October Weather11°C (53°F)110 mm (4.3 inches)83%moderate
November Weather3°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-1°C (31°F)50 mm (2.0 inches)81%low

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