Del Monte Forest — Water Temperature in May

Water Temperature Range

10°C

minimum

12°C

average

15°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

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	2025	2024	2023	2022
MAY 1	12°C	12°C	12°C	13°C
MAY 2	12°C	12°C	12°C	12°C
MAY 3	12°C	13°C	11°C	12°C
MAY 4	12°C	12°C	11°C	13°C
MAY 5	12°C	12°C	11°C	12°C
MAY 6	12°C	11°C	12°C	12°C
MAY 7	12°C	12°C	11°C	12°C
MAY 8	12°C	12°C	11°C	13°C
MAY 9	12°C	12°C	11°C	12°C
MAY 10	12°C	12°C	11°C	12°C
MAY 11	12°C	13°C	11°C	12°C
MAY 12	12°C	12°C	11°C	12°C
MAY 13	12°C	12°C	11°C	12°C
MAY 14	12°C	12°C	12°C	12°C
MAY 15	12°C	12°C	11°C	12°C
MAY 16	13°C	12°C	12°C	13°C
MAY 17	13°C	13°C	12°C	13°C
MAY 18	12°C	12°C	11°C	13°C
MAY 19	13°C	13°C	12°C	13°C
MAY 20	12°C	12°C	12°C	13°C
MAY 21	12°C	12°C	11°C	12°C
MAY 22	12°C	12°C	11°C	12°C
MAY 23	12°C	12°C	11°C	12°C
MAY 24	13°C	11°C	12°C	14°C
MAY 25	12°C	11°C	12°C	12°C
MAY 26	13°C	11°C	13°C	13°C
MAY 27	13°C	12°C	12°C	13°C
MAY 28	13°C	11°C	13°C	13°C
MAY 29	12°C	11°C	11°C	13°C
MAY 30	13°C	12°C	12°C	13°C
MAY 31	12°C	11°C	11°C	13°C

May: Climate and Swimming Opportunities

Average Night Air Temperature

9°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

16 mm

Number of Rainy Days

Daylight per Day

14 hrs

Sunshine per Day

11 hrs

Average Wind Speed

17 km/h

Average Humidity

70%

With such a ratio between the average monthly temperatures of water and air, swimming feels very cold and is only for cold-water enthusiasts. Most people will prefer just a brief splash, because warming up afterward can take time.