Jamestown — Water Temperature in January

Water Temperature Range

21°C

minimum

26°C

average

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

January: Climate and Swimming Opportunities

Average Night Air Temperature

16°C

Average Day Air Temperature

26°C

Precipitation Amount per Month

9 mm

Number of Rainy Days

Daylight per Day

13 hrs

Sunshine per Day

6 hrs

Average Wind Speed

15 km/h

Average Humidity

75%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.