Langley — Water Temperature in May

Water Temperature Range

6°C

minimum

9°C

average

12°C

maximum

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Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2026	2025	2024	2023
MAY 1	-10°C	11°C	9°C	10°C
MAY 2	11°C	9°C	9°C	9°C
MAY 3	11°C	10°C	9°C	10°C
MAY 4	12°C	9°C	9°C	10°C
MAY 5	12°C	9°C	9°C	10°C
MAY 6	12°C	10°C	9°C	11°C
MAY 7	13°C	10°C	9°C	11°C
MAY 8	13°C	10°C	9°C	10°C
MAY 9	13°C	10°C	9°C	10°C
MAY 10	13°C	10°C	9°C	10°C
MAY 11	13°C	9°C	9°C	10°C
MAY 12	12°C	9°C	9°C	10°C
MAY 13	13°C	9°C	9°C	10°C
MAY 14	13°C	10°C	9°C	10°C
MAY 15	13°C	9°C	9°C	10°C
MAY 16	13°C	9°C	9°C	10°C
MAY 17	13°C	9°C	9°C	10°C
MAY 18	12°C	10°C	10°C	10°C
MAY 19	12°C	10°C	9°C	10°C
MAY 20	12°C	10°C	9°C	10°C
MAY 21	12°C	9°C	9°C	9°C
MAY 22	12°C	10°C	9°C	10°C
MAY 23	12°C	9°C	9°C	9°C
MAY 24	13°C	10°C	10°C	10°C
MAY 25	13°C	10°C	9°C	10°C
MAY 26	13°C	10°C	10°C	10°C
MAY 27	13°C	10°C	9°C	10°C
MAY 28	12°C	10°C	9°C	10°C
MAY 29	12°C	10°C	10°C	10°C
MAY 30	12°C	10°C	10°C	10°C
MAY 31	13°C	10°C	9°C	11°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

8°C

Average Day Air Temperature

18°C

Precipitation Amount per Month

50 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

8 hrs

Average Wind Speed

12 km/h

Average Humidity

70%

At such water and air temperatures, swimming feels icy and can be a shock to the body. If you go in at all, keep it extremely short and warm up immediately afterward.