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April Weather in Anacortes, United States

Last updated: June 24, 2025

In April, the average temperature in Anacortes, United States hovers around 9°C (49°F). Expect cooler nights with a minimum of 2°C (36°F), while daytime highs can reach up to 18°C (65°F). Prepare for some wet weather, as the area experiences 102 mm (4.0 in) of precipitation spread over 15 days. The average humidity during this month is quite high at 86%, contributing to the lush landscape and vibrant atmosphere.

April Temperature in Anacortes

In April in Anacortes, the average temperature is 9°C (49°F). Maximums can reach 18°C (65°F), and minimums can be as low as 2°C (36°F). This mild climate makes it an ideal time for travelers to explore the sights and enjoy outdoor activities.

April Weather in Anacortes: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Anacortes, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Anacortes, April typically has an average temperature of 9°C (49°F), with highs reaching up to 18°C (65°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec413944485459626459514641
Data source: Temperature data for Anacortes 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 Anacortes

In Anacortes in April, the precipitation amount is 102 mm (4.0 in) over the course of 15 days.

April Precipitation Trends in Anacortes

The chart displays monthly precipitation patterns in Anacortes, 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 Anacortes, April typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec17117513810261522118112166226199
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Anacortes

In Anacortes in April, humidity is 86%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill in the air, making travel uncomfortable as the moisture clings to your skin and thickens the atmosphere, creating a sense of heaviness that can tire you quickly.

April Average Humidity in Anacortes

This chart illustrates the average monthly humidity levels in Anacortes, 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 Anacortes 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Anacortes

In Anacortes in April, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Anacortes, you can refer to this Hourly UV Index in Anacortes.

Maximum UV Index Levels in Anacortes for April

The chart shows the monthly maximum UV Index (UVI) for Anacortes 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 Anacortes typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689987522
Data source: Anacortes 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 Anacortes Compares to Other Months

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

This table compares monthly weather conditions in Anacortes, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)171 mm (6.7 inches)86%low
February Weather4°C (40°F)175 mm (6.9 inches)85%moderate
March Weather7°C (44°F)137 mm (5.4 inches)86%moderate
April Weather9°C (49°F)102 mm (4.0 inches)86%high
May Weather12°C (55°F)61 mm (2.4 inches)81%very high
June Weather15°C (59°F)52 mm (2.0 inches)83%very high
July Weather17°C (63°F)21 mm (0.8 inches)84%very high
August Weather18°C (64°F)18 mm (0.7 inches)77%very high
September Weather15°C (60°F)112 mm (4.4 inches)76%high
October Weather11°C (51°F)166 mm (6.5 inches)88%moderate
November Weather8°C (46°F)226 mm (8.9 inches)87%low
December Weather5°C (41°F)199 mm (7.8 inches)87%low

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