Blenheim Beach — Water Temperature in July

Water Temperature Range

15°C

minimum

18°C

average

21°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

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

Climate and Swimming Opportunities in Blenheim Beach in July

Average Day Air Temperature

18°C

Average Night Air Temperature

8°C

Precipitation Amount per Month

83 mm

Number of Rainy Days

Daylight per Day

10 hrs

Sunshine per Day

6 hrs

Average Wind Speed

15 km/h

Average Humidity

62%

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.