April Weather in Coupeville, United States

Last updated: June 24, 2025

In April, the average temperature in Coupeville, United States hovers around 9°C (49°F). Expect a minimum of 3°C (38°F) and a comfortable maximum of 17°C (63°F). Be prepared for some rain, as precipitation averages 86 mm (3.4 in) across 16 days. With an average humidity of 86%, the air can feel quite damp, so dress accordingly!

April Temperature in Coupeville

In April in Coupeville, the average temperature is 9°C (49°F). The maximum can reach 17°C (63°F), while the minimum can drop to as low as 3°C (38°F). Dress in layers to enjoy your travels comfortably, as temperatures can vary throughout the day.

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

The chart illustrates April temperature patterns in Coupeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coupeville, April typically has an average temperature of 9°C (49°F), with highs reaching up to 17°C (63°F) and lows dropping to around 3°C (38°F).

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

April Precipitation in Coupeville

In Coupeville in April, the precipitation amount is 86 mm (3.4 in) over a period of 16 days.

April Precipitation Trends in Coupeville

The chart displays monthly precipitation patterns in Coupeville, 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 Coupeville, April typically receives around 86 mm (3.4 inches) of precipitation spread over approximately 16 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Coupeville

In Coupeville 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 Coupeville

This chart illustrates the average monthly humidity levels in Coupeville, 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 Coupeville is approximately 86%, 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 Coupeville

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

Maximum UV Index Levels in Coupeville for April

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

Data source: Coupeville 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 Coupeville Compares to Other Months

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

This table compares monthly weather conditions in Coupeville, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	150 mm (5.9 inches)	86%	low
February Weather	6°C (42°F)	154 mm (6.1 inches)	85%	moderate
March Weather	7°C (45°F)	118 mm (4.6 inches)	86%	moderate
April Weather	9°C (49°F)	86 mm (3.4 inches)	86%	high
May Weather	12°C (54°F)	54 mm (2.1 inches)	81%	very high
June Weather	14°C (57°F)	53 mm (2.1 inches)	83%	very high
July Weather	15°C (60°F)	28 mm (1.1 inches)	84%	very high
August Weather	16°C (61°F)	26 mm (1.0 inches)	77%	very high
September Weather	14°C (58°F)	87 mm (3.4 inches)	76%	high
October Weather	11°C (53°F)	133 mm (5.2 inches)	88%	moderate
November Weather	9°C (48°F)	189 mm (7.4 inches)	87%	low
December Weather	7°C (44°F)	177 mm (7.0 inches)	87%	low