May Weather in Vancouver, United States

Last updated: June 24, 2025

In Vancouver, United States, the average temperature in May hovers around 14°C (57°F). Expect minimums of 3°C (37°F) and highs reaching up to 32°C (90°F). With 73 mm (2.9 in) of precipitation spread over 11 days, you may want to hold onto your umbrella. The air is typically quite moist, with average humidity at 83%, providing a fresh atmosphere.

May Temperature in Vancouver

In May in Vancouver, the average temperature is 14°C (57°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 3°C (37°F). This makes it a great time for travelers to enjoy a mix of mild weather and warm days, ideal for outdoor activities and exploration.

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

The chart illustrates May temperature patterns in Vancouver, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vancouver, May typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around 3°C (37°F).

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

May Precipitation in Vancouver

In Vancouver in May, the precipitation amount is 73 mm (2.9 in), spread over 11 days.

May Precipitation Trends in Vancouver

The chart displays monthly precipitation patterns in Vancouver, 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 Vancouver, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Vancouver

In Vancouver in May, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.

May Average Humidity in Vancouver

This chart illustrates the average monthly humidity levels in Vancouver, 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 Vancouver is approximately 83%, 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 Vancouver

In Vancouver in May, 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 Vancouver.

Maximum UV Index Levels in Vancouver for May

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

Data source: Vancouver 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 Vancouver Compares to Other Months

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

This table compares monthly weather conditions in Vancouver, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	205 mm (8.1 inches)	85%	low
February Weather	4°C (40°F)	205 mm (8.1 inches)	84%	moderate
March Weather	7°C (45°F)	163 mm (6.4 inches)	85%	moderate
April Weather	10°C (51°F)	140 mm (5.5 inches)	83%	high
May Weather	14°C (57°F)	73 mm (2.9 inches)	83%	very high
June Weather	17°C (63°F)	62 mm (2.5 inches)	83%	very high
July Weather	20°C (68°F)	9 mm (0.3 inches)	82%	very high
August Weather	20°C (69°F)	11 mm (0.4 inches)	74%	very high
September Weather	17°C (63°F)	90 mm (3.6 inches)	71%	high
October Weather	11°C (52°F)	149 mm (5.9 inches)	81%	moderate
November Weather	7°C (46°F)	209 mm (8.2 inches)	87%	moderate
December Weather	5°C (41°F)	224 mm (8.8 inches)	87%	low