April Weather in Brinnon, United States

Last updated: June 24, 2025

In April, the average temperature in Brinnon, United States hovers around 7°C (44°F). Expect temperatures to range from a chilly -4°C (26°F) to a mild 21°C (70°F), providing a dynamic climate. With 118 mm (4.7 in) of precipitation spread over 17 days, don’t forget your umbrella! The air is quite humid, with an average humidity of about 83%, giving the atmosphere a unique character.

April Temperature in Brinnon

In April in Brinnon, the average temperature is 7°C (44°F). The maximum can reach 21°C (70°F), while the minimum can drop as low as -4°C (26°F). This range makes it advisable for travelers to pack layers to comfortably adapt to the varying temperatures throughout the day.

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

The chart illustrates April temperature patterns in Brinnon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brinnon, April typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (70°F) and lows dropping to around -4°C (26°F).

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

April Precipitation in Brinnon

In Brinnon in April, the total precipitation amount reaches 118 mm (4.7 in) over the course of 17 days.

April Precipitation Trends in Brinnon

The chart displays monthly precipitation patterns in Brinnon, 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 Brinnon, April typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 17 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 Brinnon

In Brinnon in April, humidity is 83%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making exploring outdoors somewhat uncomfortable and requiring extra layers to stay warm and dry.

April Average Humidity in Brinnon

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

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

Maximum UV Index Levels in Brinnon for April

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

Data source: Brinnon 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 Brinnon Compares to Other Months

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

This table compares monthly weather conditions in Brinnon, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	203 mm (8.0 inches)	86%	low
February Weather	2°C (36°F)	153 mm (6.0 inches)	84%	moderate
March Weather	4°C (39°F)	132 mm (5.2 inches)	85%	moderate
April Weather	7°C (44°F)	118 mm (4.7 inches)	83%	high
May Weather	11°C (52°F)	94 mm (3.7 inches)	84%	very high
June Weather	14°C (57°F)	105 mm (4.1 inches)	84%	very high
July Weather	17°C (63°F)	45 mm (1.8 inches)	82%	very high
August Weather	18°C (64°F)	40 mm (1.6 inches)	73%	very high
September Weather	14°C (58°F)	114 mm (4.5 inches)	74%	high
October Weather	9°C (48°F)	155 mm (6.1 inches)	83%	moderate
November Weather	6°C (42°F)	206 mm (8.1 inches)	86%	moderate
December Weather	3°C (37°F)	207 mm (8.1 inches)	87%	low