Westport — Water Temperature in July

Water Temperature Range

12°C

minimum

13°C

average

15°C

maximum

Water Temperature Chart for July

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

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

Climate and Swimming Opportunities in Westport in July

Average Day Air Temperature

10°C

Average Night Air Temperature

2°C

Precipitation Amount per Month

91 mm

Number of Rainy Days

Daylight per Day

9 hrs

Sunshine per Day

5 hrs

Average Wind Speed

14 km/h

Average Humidity

88%

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.