Svelvik — Water Temperature in July

Water Temperature Range

15°C

minimum

18°C

average

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

July: Climate and Swimming Opportunities

Average Night Air Temperature

13°C

Average Day Air Temperature

19°C

Precipitation Amount per Month

81 mm

Number of Rainy Days

Daylight per Day

18 hrs

Sunshine per Day

8 hrs

Average Wind Speed

12 km/h

Average Humidity

68%

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.