nomadseason

January Weather in Oak Harbor, United States

Last updated: June 24, 2025

In Oak Harbor, United States, the average temperature in January hovers around 7°C (44°F). Expect chilly days with minimums dipping to -2°C (29°F) and reaching a maximum of 12°C (53°F). With 150 mm (5.9 in) of precipitation spread over 16 days, don’t forget your umbrella! The atmosphere is notably humid, with an average humidity of 86%, adding a touch of crispness to the air.

January Temperature in Oak Harbor

In January, in Oak Harbor, the average temperature is 7°C (44°F). The maximum can reach 12°C (53°F), while the minimum can drop to as low as -2°C (29°F). Be prepared for chilly conditions and pack accordingly if you're planning to travel during this time.

January Weather in Oak Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Oak Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oak Harbor, January typically has an average temperature of 7°C (44°F), with highs reaching up to 12°C (53°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec444245495357596158524844
Data source: Temperature data for Oak Harbor 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 Oak Harbor

In Oak Harbor in January, the precipitation amount is 150 mm (5.9 in) spread over 16 days.

January Precipitation Trends in Oak Harbor

The chart displays monthly precipitation patterns in Oak Harbor, 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 Oak Harbor, January typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec150154118865453282687133189177
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Oak Harbor

In Oak Harbor in January, humidity is 86%. With an average temperature of 7°C (44°F), this humidity feels like a chilly, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite uninviting.

January Average Humidity in Oak Harbor

This chart illustrates the average monthly humidity levels in Oak Harbor, 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 Oak Harbor is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%86%86%81%83%84%77%76%88%87%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Oak Harbor

In Oak Harbor in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Oak Harbor, you can visit Hourly UV Index in Oak Harbor.

Maximum UV Index Levels in Oak Harbor for January

The chart shows the monthly maximum UV Index (UVI) for Oak Harbor 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 Oak Harbor typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987521
Data source: Oak Harbor 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 Oak Harbor Compares to Other Months

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

This table compares monthly weather conditions in Oak Harbor, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)150 mm (5.9 inches)86%low
February Weather6°C (42°F)154 mm (6.1 inches)85%moderate
March Weather7°C (45°F)118 mm (4.6 inches)86%moderate
April Weather9°C (49°F)86 mm (3.4 inches)86%high
May Weather12°C (54°F)54 mm (2.1 inches)81%very high
June Weather14°C (57°F)53 mm (2.1 inches)83%very high
July Weather15°C (60°F)28 mm (1.1 inches)84%very high
August Weather16°C (61°F)26 mm (1.0 inches)77%very high
September Weather14°C (58°F)87 mm (3.4 inches)76%high
October Weather11°C (53°F)133 mm (5.2 inches)88%moderate
November Weather9°C (48°F)189 mm (7.4 inches)87%low
December Weather7°C (44°F)177 mm (7.0 inches)87%low

Compare Oak Harbor's Climate with Cities Worldwide