Winchester Bay — Water Temperature in July

Water Temperature Range

9°C

minimum

16°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

10°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

29 mm

Number of Rainy Days

Daylight per Day

15 hrs

Sunshine per Day

10 hrs

Average Wind Speed

15 km/h

Average Humidity

72%

At such water and air temperatures, swimming often feels chilly and is best for short swims. Getting out can feel cold, so it helps to have dry clothes ready right away.