Measurements:
°C
°F
San Juan
76°F
SE 9 mph
Feels like: 80°F
Precip: 0%
World Resorts Puerto Rico San Juan Weather January Weather in San Juan

San Juan Weather: January

Average Day Temperature: 84.2°F
Average Night Temperature: 76.6°F
Sea Water Temperature: 83.8°F
Number of Sunny Days: 8 days
Sunshine Hours: 11.0 - 11.3 hours
Number of Rainy Days: 3 days
Precipitation Totals: 45.5 in

Air Temperature in January, °F

Select Year: 2024 2023 2022

The highest day temperature in January 2024 was 88°F. The lowest night temperature was 72°F. The average values for day and night temperatures during January were 84.0°F и 77.0°F respectivly.

San Juan Water Sea Temperature in January, °F

Select Year: 2024 2023 2022

The average sea surface temperature in January 2024 for San Juan was 84.6°F. The maximum and minimum values were 84.0°F and 85.2°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in January are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in January, in

Precipitation total in January for San Juan is 45.5 in. It makes january the most rainy month of the year.

Wind Speed in January, mph

The average wind speed in January is 11.5 mph.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Juan in January is 6.2 hours.

Best Time to Visit San Juan
The most sunny months:
June 11 days
March 10 days
October 9 days
The most warm months:
September 91.2 °F
August 91.1 °F
July 90.8 °F
Warmest sea temperature:
September 88.6 °F
October 88.6 °F
August 87.6 °F
The most cold months:
February 83.9 °F
January 84.2 °F
March 84.7 °F
The most rainy months:
November 5 days
October 5 days
September 4 days
The most windy months:
July 12 mph
February 12 mph
June 12 mph

San Juan on the Weather Map

Puerto Rico Resorts:
NAME
Aguadilla +76
Arecibo +74
Isabella +74
Mayaguez +74
Ponce +68
San Juan +76
24 Hours Weather Forecast
San Juan
Local time: 02:40
29 mar, friday
0300 76°F
SE
9 mph
0600 76°F
SE
9 mph
0900 82°F
SE
10 mph
1200 84°F
SE
10 mph
1500 84°F
SE
10 mph
1800 80°F
SE
8 mph
2100 76°F
SE
6 mph
30 mar, saturday
0000 76°F
SE
5 mph