April Weather in Ilwaco, United States

Last updated: June 24, 2025

In April, the average temperature in Ilwaco, United States is a pleasant 10°C (50°F). Expect a minimum of 3°C (38°F) and a comfortable maximum of 19°C (67°F). With 132 mm (5.2 in) of precipitation spread over 16 days, it’s wise to come prepared for some rain. The average humidity is quite high at 83%, adding to the overall ambiance of this season.

April Temperature in Ilwaco

In April, in Ilwaco, the average temperature is 10°C (50°F), with maximums reaching up to 19°C (67°F) and minimums dropping as low as 3°C (38°F). This pleasant climate makes Ilwaco an ideal destination for travelers looking to explore without the extremes of weather.

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

The chart illustrates April temperature patterns in Ilwaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ilwaco, April typically has an average temperature of 10°C (50°F), with highs reaching up to 19°C (67°F) and lows dropping to around 3°C (38°F).

Data source: Temperature data for Ilwaco generated using information from the Copernicus Climate Change Service.

April Precipitation in Ilwaco

In Ilwaco in April, the precipitation amount is 132 mm (5.2 in) over the course of 16 days.

April Precipitation Trends in Ilwaco

The chart displays monthly precipitation patterns in Ilwaco, 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 Ilwaco, April typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Ilwaco

In Ilwaco 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 Ilwaco

This chart illustrates the average monthly humidity levels in Ilwaco, 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 Ilwaco is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ilwaco

In Ilwaco 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 Ilwaco, you can refer to this Hourly UV Index in Ilwaco.

Maximum UV Index Levels in Ilwaco for April

The chart shows the monthly maximum UV Index (UVI) for Ilwaco 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 Ilwaco typically reaches 6, which falls under the high exposure category.

Data source: Ilwaco 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 Ilwaco Compares to Other Months

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

This table compares monthly weather conditions in Ilwaco, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	242 mm (9.5 inches)	86%	low
February Weather	7°C (45°F)	193 mm (7.6 inches)	84%	moderate
March Weather	8°C (47°F)	161 mm (6.3 inches)	85%	moderate
April Weather	10°C (50°F)	132 mm (5.2 inches)	83%	high
May Weather	12°C (54°F)	66 mm (2.6 inches)	84%	very high
June Weather	14°C (58°F)	58 mm (2.3 inches)	84%	very high
July Weather	15°C (60°F)	19 mm (0.8 inches)	82%	very high
August Weather	16°C (61°F)	20 mm (0.8 inches)	73%	very high
September Weather	15°C (60°F)	84 mm (3.3 inches)	74%	high
October Weather	13°C (55°F)	156 mm (6.1 inches)	83%	moderate
November Weather	10°C (51°F)	249 mm (9.8 inches)	86%	moderate
December Weather	8°C (47°F)	248 mm (9.8 inches)	87%	low