April Weather in Pendleton, United States

Last updated: June 24, 2025

In April, the average temperature in Pendleton, United States hovers around 11°C (52°F), with a minimum of -6°C (21°F) and a maximum reaching up to 29°C (84°F). Expect 96 mm (3.8 in) of precipitation over 10 days, and plan for fairly high humidity at an average of 84%.

April Temperature in Pendleton

In April in Pendleton, the average temperature is 11°C (52°F). Maximums can reach 29°C (84°F), and minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures during your travels, making layers essential for comfort.

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

The chart illustrates April temperature patterns in Pendleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pendleton, April typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -6°C (21°F).

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

April Precipitation in Pendleton

In Pendleton in April, the total precipitation amount is 96 mm (3.8 in) over a span of 10 days.

April Precipitation Trends in Pendleton

The chart displays monthly precipitation patterns in Pendleton, 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 Pendleton, April typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 10 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 Pendleton

In Pendleton in April, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

April Average Humidity in Pendleton

This chart illustrates the average monthly humidity levels in Pendleton, 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 Pendleton is approximately 84%, 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 Pendleton

In Pendleton in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Pendleton.

Maximum UV Index Levels in Pendleton for April

The chart shows the monthly maximum UV Index (UVI) for Pendleton 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 Pendleton typically reaches 9, which falls under the very high exposure category.

Data source: Pendleton 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 Pendleton Compares to Other Months

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

This table compares monthly weather conditions in Pendleton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	81 mm (3.2 inches)	87%	moderate
February Weather	1°C (33°F)	95 mm (3.7 inches)	85%	moderate
March Weather	6°C (42°F)	124 mm (4.9 inches)	86%	high
April Weather	11°C (52°F)	96 mm (3.8 inches)	84%	very high
May Weather	18°C (64°F)	136 mm (5.4 inches)	79%	very high
June Weather	23°C (73°F)	103 mm (4.1 inches)	82%	extreme
July Weather	25°C (76°F)	112 mm (4.4 inches)	79%	very high
August Weather	23°C (74°F)	87 mm (3.4 inches)	70%	very high
September Weather	21°C (70°F)	79 mm (3.1 inches)	69%	very high
October Weather	14°C (58°F)	102 mm (4.0 inches)	76%	high
November Weather	5°C (42°F)	90 mm (3.5 inches)	88%	moderate
December Weather	2°C (36°F)	77 mm (3.0 inches)	87%	moderate