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April Weather in Oak Harbor, United States

Last updated: June 24, 2025

In April, the average temperature in Oak Harbor, United States hovers around 10°C (50°F). Be prepared for a temperature range that can dip as low as -5°C (23°F) and soar up to 29°C (85°F). Precipitation averages 96 mm (3.8 in) over approximately 13 days, contributing to an average humidity of 87%.

April Temperature in Oak Harbor

In April in Oak Harbor, the average temperature is 10°C (50°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -5°C (23°F). Be prepared for a wide range of temperatures when traveling to Oak Harbor during this time.

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

The chart illustrates April 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, April typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (85°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec293140496272767468574135
Data source: Temperature data for Oak Harbor 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.

April Precipitation in Oak Harbor

In Oak Harbor in April, the precipitation amount is 96 mm (3.8 in) spread over 13 days, indicating a relatively rainy period.

April Precipitation Trends in Oak Harbor

The chart displays monthly precipitation patterns in Oak Harbor, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Oak Harbor, April typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec677482961391181258767938559
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Oak Harbor

In Oak Harbor in April humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

April Average Humidity in Oak Harbor

This chart illustrates the average monthly humidity levels in Oak Harbor, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Oak Harbor is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Oak Harbor

In Oak Harbor in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Oak Harbor.

Maximum UV Index Levels in Oak Harbor for April

The chart shows the monthly maximum UV Index (UVI) for Oak Harbor in April, 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 April, the maximum UV index in Oak Harbor typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Oak Harbor April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)67 mm (2.6 inches)88%moderate
February Weather-1°C (31°F)74 mm (2.9 inches)87%moderate
March Weather4°C (40°F)82 mm (3.2 inches)87%high
April Weather10°C (50°F)96 mm (3.8 inches)87%very high
May Weather17°C (62°F)139 mm (5.5 inches)81%very high
June Weather22°C (72°F)118 mm (4.7 inches)82%very high
July Weather24°C (76°F)125 mm (4.9 inches)81%very high
August Weather23°C (74°F)87 mm (3.4 inches)78%very high
September Weather20°C (68°F)67 mm (2.6 inches)78%very high
October Weather14°C (57°F)93 mm (3.7 inches)82%high
November Weather5°C (42°F)85 mm (3.4 inches)89%moderate
December Weather2°C (35°F)59 mm (2.3 inches)86%low

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