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April Weather in Coos Bay, United States

Last updated: June 24, 2025

The average temperature in Coos Bay, United States during April is a mild 10°C (50°F), with temperatures ranging from a minimum of 2°C (36°F) to a pleasant maximum of 22°C (71°F). Expect about 118 mm (4.6 in) of precipitation spread over 13 days, contributing to a relatively high average humidity of 83%.

April Temperature in Coos Bay

In April in Coos Bay, the average temperature is 10°C (50°F), with maximums reaching 22°C (71°F) and minimums dropping to as low as 2°C (36°F). This mild climate makes Coos Bay an ideal destination for travelers seeking comfortable weather during their visit.

April Weather in Coos Bay: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Coos Bay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coos Bay, April typically has an average temperature of 10°C (50°F), with highs reaching up to 22°C (71°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec474547505458606160555047
Data source: Temperature data for Coos Bay 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 Coos Bay

In Coos Bay in April, the precipitation amount is 118 mm (4.6 in) over a span of 13 days.

April Precipitation Trends in Coos Bay

The chart displays monthly precipitation patterns in Coos Bay, 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 Coos Bay, April typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1922201491185937364870150204
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Coos Bay

In Coos Bay in April, humidity is 83%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration less comfortable and prompting visitors to seek cozy indoor activities.

April Average Humidity in Coos Bay

This chart illustrates the average monthly humidity levels in Coos Bay, 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 Coos Bay is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%86%83%83%83%78%67%66%77%87%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Coos Bay

In Coos Bay in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Coos Bay.

Maximum UV Index Levels in Coos Bay for April

The chart shows the monthly maximum UV Index (UVI) for Coos Bay 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 Coos Bay typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246710101098532
Data source: Coos Bay 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 Coos Bay Compares to Other Months

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

This table compares monthly weather conditions in Coos Bay, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)192 mm (7.6 inches)84%low
February Weather7°C (46°F)220 mm (8.7 inches)85%moderate
March Weather8°C (47°F)149 mm (5.9 inches)86%high
April Weather10°C (50°F)118 mm (4.6 inches)83%high
May Weather12°C (54°F)59 mm (2.3 inches)83%very high
June Weather14°C (58°F)37 mm (1.4 inches)83%very high
July Weather16°C (60°F)3 mm (0.1 inches)78%very high
August Weather16°C (61°F)6 mm (0.2 inches)67%very high
September Weather15°C (60°F)48 mm (1.9 inches)66%very high
October Weather13°C (55°F)70 mm (2.7 inches)77%moderate
November Weather10°C (51°F)150 mm (5.9 inches)87%moderate
December Weather8°C (47°F)204 mm (8.0 inches)87%low

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