April Weather in Pendleton, United States

Last updated: June 24, 2025

In April, the average temperature in Pendleton, United States hovers around 10°C (51°F). You'll want to be prepared for a temperature range that can dip as low as -5°C (23°F) or soar up to 28°C (83°F). Expect about 49 mm (1.9 in) of precipitation over 10 days, contributing to an average humidity level of 83%. Plan accordingly for a mix of cool and wet conditions!

April Temperature in Pendleton

In April in Pendleton, the average temperature is 10°C (51°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as -5°C (23°F). Be sure to pack layers to accommodate the wide temperature range while exploring the area!

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 10°C (51°F), with highs reaching up to 28°C (83°F) and lows dropping to around -5°C (23°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 49 mm (1.9 in) over the course 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 49 mm (1.9 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 83%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that permeates your clothes, making it essential to dress in layers for travel, as the cool air combined with the high humidity can create an uncomfortable and bone-chilling atmosphere.

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 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 Pendleton

In Pendleton 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 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 7, which falls under the 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	2°C (36°F)	59 mm (2.3 inches)	86%	low
February Weather	2°C (36°F)	88 mm (3.5 inches)	86%	moderate
March Weather	6°C (44°F)	61 mm (2.4 inches)	85%	high
April Weather	10°C (51°F)	49 mm (1.9 inches)	83%	high
May Weather	15°C (60°F)	34 mm (1.3 inches)	77%	very high
June Weather	20°C (68°F)	16 mm (0.6 inches)	81%	very high
July Weather	25°C (77°F)	0 mm (0.0 inches)	76%	very high
August Weather	24°C (75°F)	8 mm (0.3 inches)	60%	very high
September Weather	18°C (65°F)	19 mm (0.7 inches)	58%	high
October Weather	11°C (52°F)	45 mm (1.8 inches)	75%	moderate
November Weather	6°C (42°F)	63 mm (2.5 inches)	85%	moderate
December Weather	2°C (36°F)	63 mm (2.5 inches)	87%	low