April Weather in Corvallis, United States

Last updated: June 24, 2025

In Corvallis, United States, the average temperature in April is a brisk 10°C (50°F). Visitors can expect a wide range, with minimum temperatures dipping to -2°C (29°F) and maxing out at a warm 28°C (82°F). Throughout the month, precipitation totals 117 mm (4.6 in) over approximately 14 days, contributing to an overall average humidity of 83%. Pack accordingly to embrace the diverse weather!

April Temperature in Corvallis

In April, in Corvallis, the average temperature is 10°C (50°F). The maximum can reach 28°C (82°F), and the minimum can be as low as -2°C (29°F). It’s advisable to pack a versatile wardrobe to accommodate the varying temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Corvallis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Corvallis, April typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (82°F) and lows dropping to around -2°C (29°F).

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

April Precipitation in Corvallis

In Corvallis in April, the precipitation amount is 117 mm (4.6 in) spread over 14 days.

April Precipitation Trends in Corvallis

The chart displays monthly precipitation patterns in Corvallis, 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 Corvallis, April typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 14 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 Corvallis

In Corvallis 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 Corvallis

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

In Corvallis 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 Corvallis.

Maximum UV Index Levels in Corvallis for April

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

Data source: Corvallis 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 Corvallis Compares to Other Months

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

This table compares monthly weather conditions in Corvallis, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	155 mm (6.1 inches)	85%	low
February Weather	5°C (41°F)	179 mm (7.0 inches)	84%	moderate
March Weather	7°C (45°F)	133 mm (5.2 inches)	85%	high
April Weather	10°C (50°F)	117 mm (4.6 inches)	83%	high
May Weather	13°C (57°F)	60 mm (2.3 inches)	83%	very high
June Weather	17°C (63°F)	42 mm (1.7 inches)	83%	very high
July Weather	20°C (69°F)	3 mm (0.1 inches)	82%	very high
August Weather	21°C (69°F)	5 mm (0.2 inches)	74%	very high
September Weather	17°C (64°F)	61 mm (2.4 inches)	71%	very high
October Weather	12°C (53°F)	84 mm (3.3 inches)	81%	moderate
November Weather	8°C (46°F)	139 mm (5.5 inches)	87%	moderate
December Weather	5°C (41°F)	189 mm (7.4 inches)	87%	low