May Weather in Bend, United States

Last updated: June 24, 2025

In May, the average temperature in Bend, United States is a comfortable 21°C (70°F). However, be prepared for a range, as temperatures can dip to a chilly 5°C (40°F) or soar to a blazing 39°C (102°F). Expect some rainfall too, with an average precipitation of 37 mm (1.5 in) over about 3 days. The atmosphere tends to be quite humid, with average humidity levels around 72%.

May Temperature in Bend

In May in Bend, the average temperature is 21°C (70°F). Maximums can reach 39°C (102°F) and minimums can be as low as 5°C (40°F). Pack accordingly for a wide range of temperatures to enjoy your travels comfortably.

May Weather in Bend: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Bend, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bend, May typically has an average temperature of 21°C (70°F), with highs reaching up to 39°C (102°F) and lows dropping to around 5°C (40°F).

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

May Precipitation in Bend

In Bend in May, the precipitation amount is 37 mm (1.5 in) over the course of 3 days.

May Precipitation Trends in Bend

The chart displays monthly precipitation patterns in Bend, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Bend, May typically receives around 37 mm (1.5 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Bend

In Bend in May, humidity is 72%. With an average temperature of 21°C (70°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and sweaty, but still manageable for traveling if you stay hydrated and take regular breaks in the shade.

May Average Humidity in Bend

This chart illustrates the average monthly humidity levels in Bend, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Bend is approximately 72%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bend

In Bend in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bend.

Maximum UV Index Levels in Bend for May

The chart shows the monthly maximum UV Index (UVI) for Bend in May, 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 May, the maximum UV index in Bend typically reaches 10, which falls under the very high exposure category.

Data source: Bend May 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 May Weather in Bend Compares to Other Months

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

This table compares monthly weather conditions in Bend, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	137 mm (5.4 inches)	86%	moderate
February Weather	10°C (51°F)	127 mm (5.0 inches)	87%	moderate
March Weather	12°C (54°F)	126 mm (5.0 inches)	86%	high
April Weather	16°C (61°F)	59 mm (2.3 inches)	83%	very high
May Weather	21°C (70°F)	37 mm (1.5 inches)	72%	very high
June Weather	26°C (80°F)	7 mm (0.3 inches)	67%	extreme
July Weather	30°C (86°F)	0 mm (0.0 inches)	56%	very high
August Weather	29°C (84°F)	1 mm (0.0 inches)	42%	very high
September Weather	24°C (76°F)	8 mm (0.3 inches)	46%	very high
October Weather	18°C (65°F)	39 mm (1.5 inches)	67%	high
November Weather	13°C (55°F)	69 mm (2.7 inches)	86%	moderate
December Weather	9°C (48°F)	101 mm (4.0 inches)	86%	low