April Weather in Siletz, United States

Last updated: June 24, 2025

In April, the average temperature in Siletz, United States is a mild 9°C (49°F), with temperatures ranging from a cool 3°C (37°F) to a comfortable 20°C (69°F). Expect 16 days of precipitation, totaling 158 mm (6.2 in) throughout the month, contributing to an average humidity level of 83%. Prepare for a fresh, invigorating atmosphere as you explore!

April Temperature in Siletz

In April in Siletz, the average temperature is 9°C (49°F). Maximums can reach 20°C (69°F), while minimums can drop as low as 3°C (37°F). This mild weather makes Siletz an ideal destination for travelers looking to enjoy comfortable outdoor activities.

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

The chart illustrates April temperature patterns in Siletz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siletz, April typically has an average temperature of 9°C (49°F), with highs reaching up to 20°C (69°F) and lows dropping to around 3°C (37°F).

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

April Precipitation in Siletz

In Siletz in April, the total precipitation amount is 158 mm (6.2 in) that occurs over a span of 16 days.

April Precipitation Trends in Siletz

The chart displays monthly precipitation patterns in Siletz, 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 Siletz, April typically receives around 158 mm (6.2 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 Siletz

In Siletz in April, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.

April Average Humidity in Siletz

This chart illustrates the average monthly humidity levels in Siletz, 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 Siletz 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 Siletz

In Siletz 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 Siletz.

Maximum UV Index Levels in Siletz for April

The chart shows the monthly maximum UV Index (UVI) for Siletz 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 Siletz typically reaches 7, which falls under the high exposure category.

Data source: Siletz 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 Siletz Compares to Other Months

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

This table compares monthly weather conditions in Siletz, 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 (46°F)	271 mm (10.7 inches)	85%	low
February Weather	7°C (44°F)	248 mm (9.8 inches)	84%	moderate
March Weather	8°C (46°F)	191 mm (7.5 inches)	85%	high
April Weather	9°C (49°F)	158 mm (6.2 inches)	83%	high
May Weather	11°C (52°F)	74 mm (2.9 inches)	83%	very high
June Weather	13°C (56°F)	62 mm (2.4 inches)	83%	very high
July Weather	15°C (58°F)	9 mm (0.4 inches)	82%	very high
August Weather	15°C (59°F)	13 mm (0.5 inches)	74%	very high
September Weather	14°C (58°F)	71 mm (2.8 inches)	71%	high
October Weather	12°C (54°F)	151 mm (5.9 inches)	81%	moderate
November Weather	10°C (50°F)	254 mm (10.0 inches)	87%	moderate
December Weather	8°C (46°F)	292 mm (11.5 inches)	87%	low