Sea Temperature in San Juan in January

Complete information on the sea temperature range in the Caribbean Sea in San Juan in January. Historical daily data. Climate details for January. Tips on swimming conditions and beach relaxation in San Juan. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in San Juan in January

25°C

MINIMUN

26.5°C

AVERAGE

28°C

MAXIMUM

Historical Data of Water Temperature in January in San Juan

Water Temperature Chart for Caribbean Sea in San Juan in January

Sea Temperature Table in San Juan in January Over the Past Years

Day	2024	2023	2022	Average
Jan 1	27°C	27°C	27°C	27.3°C
Jan 2	27°C	27°C	27°C	27.3°C
Jan 3	28°C	27°C	27°C	27.3°C
Jan 4	27°C	27°C	27°C	27.3°C
Jan 5	28°C	27°C	27°C	27.5°C
Jan 6	27°C	27°C	27°C	27.0°C
Jan 7	27°C	27°C	27°C	27.3°C
Jan 8	26°C	27°C	27°C	27.0°C
Jan 9	27°C	27°C	27°C	27.0°C
Jan 10	26°C	27°C	27°C	27.0°C
Jan 11	27°C	27°C	27°C	27.3°C
Jan 12	26°C	27°C	27°C	26.8°C
Jan 13	27°C	27°C	27°C	27.0°C
Jan 14	27°C	27°C	27°C	27.0°C
Jan 15	27°C	27°C	27°C	27.3°C
Jan 16	27°C	27°C	27°C	27.3°C
Jan 17	27°C	27°C	27°C	27.3°C
Jan 18	26°C	27°C	27°C	26.8°C
Jan 19	26°C	27°C	27°C	26.8°C
Jan 20	27°C	27°C	26°C	26.8°C
Jan 21	27°C	27°C	26°C	26.8°C
Jan 22	26°C	27°C	27°C	26.8°C
Jan 23	27°C	27°C	27°C	27.0°C
Jan 24	28°C	27°C	27°C	27.3°C
Jan 25	27°C	27°C	27°C	27.0°C
Jan 26	27°C	27°C	27°C	27.0°C
Jan 27	26°C	27°C	27°C	26.8°C
Jan 28	26°C	27°C	26°C	26.5°C
Jan 29	28°C	27°C	27°C	27.3°C
Jan 30	27°C	27°C	27°C	27.0°C

San Juan Climate and Swimming Opportunities in January

29°C

Average Day Air Temperature

20°C

Average Night Air Temperature

75 mm

Precipitation Amount per Month

14 days

Number of Rainy Days

11 hrs

Daylight
per Day

8 hrs

Sunshine
per Day

14 km/h

Average Wind Speed

75%

Average
humidity

San Juan lies within in Puerto Rico. The average daytime temperature in San Juan in January is 84°F (29°C), while the nighttime average is 69°F (20°C). There are typically 14 rainy days during the month, with a total precipitation of 3.0 inches (75 mm). The daylight duration in January in San Juan is 11 hours, with an average of 8 hours of sunshine per day. The average wind speed in January is 9 mph (14 km/h), and the humidity level is around 75%.

The water temperature in San Juan in January ranges from 79°F to 81°F (26°C to 27°C). At the beginning of the month, the average temperature is around 81°F (27°C), shifting to 81°F (27°C) by mid-January and reaching 81°F (27°C) in the last ten days. Overall, the average sea temperature in San Juan for January is 81°F (27°C). The water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.

Sea Temperature in January in Nearby Cities

Frequently Asked Questions About Water Temperatures in January in San Juan

What is the sea temperature in San Juan in January?

The water temperature in the Caribbean Sea in San Juan in January ranges from 79°F to 81°F (26°C to 27°C).

Is it possible to swim in the Caribbean Sea in San Juan in January?

The average sea temperature in San Juan in January is 81°F (27°C), and the air temperature is 84°F (29°C), so the water is almost like a bath, perfect for those who prefer very warm conditions. However, it may not be as refreshing on extremely hot days.