May Weather in Lillooet, Canada

Last updated: June 18, 2025

In Lillooet, Canada, the average temperature in May hovers around 8°C (47°F), making it a cool time of year. Temperatures can dip as low as -4°C (25°F), while some days may reach a pleasant 25°C (77°F). Be prepared for some rain, as 38 mm (1.5 in) of precipitation is expected over 9 days, coupled with an average humidity level of 85%.

May Temperature in Lillooet

In May in Lillooet, the average temperature is 8°C (47°F). Maximums can reach 25°C (77°F), while minimums can drop as low as -4°C (25°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates May temperature patterns in Lillooet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lillooet, May typically has an average temperature of 8°C (47°F), with highs reaching up to 25°C (77°F) and lows dropping to around -4°C (25°F).

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

May Precipitation in Lillooet

In Lillooet in May, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 9 days.

May Precipitation Trends in Lillooet

The chart displays monthly precipitation patterns in Lillooet, 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 Lillooet, May typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 9 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 Lillooet

In Lillooet in May humidity is 85%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities feel less refreshing and more uncomfortable for traveling.

May Average Humidity in Lillooet

This chart illustrates the average monthly humidity levels in Lillooet, 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 Lillooet is approximately 85%, 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 Lillooet

In Lillooet in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Lillooet.

Maximum UV Index Levels in Lillooet for May

The chart shows the monthly maximum UV Index (UVI) for Lillooet 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 Lillooet typically reaches 8, which falls under the very high exposure category.

Data source: Lillooet 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 Lillooet Compares to Other Months

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

This table compares monthly weather conditions in Lillooet, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	74 mm (2.9 inches)	93%	low
February Weather	-8°C (18°F)	67 mm (2.6 inches)	91%	moderate
March Weather	-2°C (29°F)	48 mm (1.9 inches)	91%	moderate
April Weather	2°C (36°F)	47 mm (1.9 inches)	89%	high
May Weather	8°C (47°F)	38 mm (1.5 inches)	85%	very high
June Weather	12°C (54°F)	49 mm (1.9 inches)	83%	very high
July Weather	16°C (60°F)	38 mm (1.5 inches)	86%	very high
August Weather	15°C (60°F)	40 mm (1.6 inches)	82%	very high
September Weather	10°C (50°F)	69 mm (2.7 inches)	83%	high
October Weather	3°C (37°F)	90 mm (3.5 inches)	89%	moderate
November Weather	-2°C (29°F)	110 mm (4.3 inches)	93%	low
December Weather	-7°C (19°F)	88 mm (3.5 inches)	97%	low