San Juan Water Temperature

San Juan is a city close to Atlantic Ocean. September is the month with the hottest water temperature at 84.4°F / 29.1°C. The coldest month is March with an ø water temperature of 78.8°F / 26°C. February is the month with the lowest precipitation of 1in / 25.1mm and September with the highest precipitation in a year with 5in / 127mm. The avg. air temperature is around 76.3°F / 24.6°C, July is the month with the highest temperature. January is the coolest with 70.3°F / 21.3°C average air temperature. January, February, March, April, May, June, July, August, September, October, November, December would be the best time to visit. tropical rainforest climate would be the climate here.

San Juan Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	September with 84.4°F / 29.1°C
Coldest Month Water Temperature:	March with 78.8°F / 26°C
Warmest Month Air Temperature:	July with 76.3°F / 24.6°C
Coldest Month Air Temperature:	January with 70.3°F / 21.3°C
Wettest Month:	September with 5in / 127mm
Driest Month:	February with 1in / 25.1mm
Highest Humidity	October with 85.1%
Lowest Humidity	March with 72.7%
Best Time to Visit:	January, February, March, April, May, June, July, August, September, October, November, December
Climate Classification	tropical rainforest climate

San Juan water temperature by month

°F

Atlantic Ocean water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	80.2	79.7	79.2
February	79.2	78.8	78.6
March	79.2	78.8	78.6
April	80.4	79.5	79
May	81.7	80.8	80.4
June	82.6	82.2	81.5
July	83.5	82.8	82.4
August	84	83.7	83.1
September	84.6	84.2	83.7
October	84.4	84.2	83.8
November	83.8	82.9	82
December	82	81.1	80.4

°C

Atlantic Ocean water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	26.8	26.5	26.2
February	26.2	26	25.9
March	26.2	26	25.9
April	26.9	26.4	26.1
May	27.6	27.1	26.9
June	28.1	27.9	27.5
July	28.6	28.2	28
August	28.9	28.7	28.4
September	29.2	29	28.7
October	29.1	29	28.8
November	28.8	28.3	27.8
December	27.8	27.3	26.9

The hottest water temperature typically reached in September with around 84.4°F / 29.1°C. The coldest in March with an average water temperature of 78.8°F / 26°C.

San Juan weather today & 14-day weather forecast

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Feb. 04	Few clouds	75 °F 44°F	24 °C 7°C	2mph (3km/h) east	0in (0mm) 0 %	69%
Feb. 05	Scattered clouds	80 °F 52°F	27 °C 11°C	2mph (3km/h) south-southeast	0in (0mm) 0 %	77%
Feb. 06	Overcast clouds	79 °F 62°F	26 °C 16°C	4mph (7km/h) south-southeast	0in (0mm) 10 %	81%
Feb. 07	Broken clouds	87 °F 70°F	30 °C 21°C	6mph (9km/h) south-southeast	0in (0mm) 20 %	72%
Feb. 08	Overcast clouds	71 °F 57°F	22 °C 14°C	4mph (7km/h) west	0in (1mm) 15 %	78%
Feb. 09	Few clouds	76 °F 50°F	25 °C 10°C	2mph (4km/h) west	0in (1mm) 20 %	39%
Feb. 10	Broken clouds	67 °F 56°F	19 °C 13°C	4mph (6km/h) west-southwest	0in (0mm) 0 %	39%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Feb. 11	Broken clouds	61 °F 45°F	16 °C 7°C	3mph (4km/h) east	0in (0mm) 0 %	30%
Feb. 12	Broken clouds	71 °F 49°F	22 °C 10°C	4mph (6km/h) southeast	0in (0mm) 0 %	55%
Feb. 13	Overcast clouds	75 °F 62°F	24 °C 17°C	5mph (7km/h) south-southeast	0in (0mm) 10 %	74%
Feb. 14	Broken clouds	80 °F 68°F	27 °C 20°C	4mph (7km/h) south	0in (0mm) 10 %	69%
Feb. 15	Few clouds	59 °F 44°F	15 °C 7°C	5mph (8km/h) north	0in (0mm) 0 %	39%
Feb. 16	Scattered clouds	71 °F 49°F	21 °C 10°C	3mph (6km/h) southeast	0in (0mm) 0 %	56%
Feb. 17	Broken clouds	74 °F 61°F	24 °C 16°C	2mph (4km/h) east	0in (0mm) 20 %	75%
Feb. 18	Light shower rain	77 °F 60°F	25 °C 15°C	2mph (4km/h) south-southeast	0in (5mm) 70 %	84%
Feb. 19	Few clouds	80 °F 70°F	27 °C 21°C	5mph (8km/h) west-southwest	0in (0mm) 0 %	71%

San Juan weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	78.3	70.3	64.2	1.2	0	78.6%
February	79.5	70.5	64.2	1	0	74.7%
March	81	71.2	64.4	1.5	2	72.7%
April	81.1	72.3	65.7	2.6	11	76.2%
May	81.9	73.8	68	4.1	17	79.9%
June	84	75.7	70	2.4	7	78.3%
July	84.9	76.3	70.7	2.3	8	76.7%
August	84.6	76.3	71.2	3.3	16	79.2%
September	83.5	75.6	70.7	5	24	83.1%
October	81.9	74.5	69.8	4.3	0	85.1%
November	80.1	72.5	66.6	3.7	13	84.8%
December	78.3	71.1	66	1.6	1	81.6%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	25.7	21.3	17.9	30	0	78.6%
February	26.4	21.4	17.9	25.1	0	74.7%
March	27.2	21.8	18	39.1	2	72.7%
April	27.3	22.4	18.7	66.3	11	76.2%
May	27.7	23.2	20	103.7	17	79.9%
June	28.9	24.3	21.1	62.1	7	78.3%
July	29.4	24.6	21.5	58.7	8	76.7%
August	29.2	24.6	21.8	83.4	16	79.2%
September	28.6	24.2	21.5	127	24	83.1%
October	27.7	23.6	21	110	0	85.1%
November	26.7	22.5	19.2	94.4	13	84.8%
December	25.7	21.7	18.9	40.7	1	81.6%

February is the most draught at 1in / 25.1mm and September the month with the most rain around 5in / 127mm. The avg. temperature is around 76.3°F / 24.6°C, July is the hottest month in a year. January is the coolest with 70.3°F / 21.3°C avg. temperature.

Activities & POI in San Juan

Type of Activity	List
Beach	Condado Beach, Playita de Condado, Playa del Caribe Hilton, Balneario EscambrÃ³n II, Punta Salinas, Balneario EscambrÃ³n
Marina for Sailing, Boat adventures, fishing	Club NÃ¡utico de San Juan
Attraction	Sede Central del Sitio HistÃ³rico Nacional de San Juan, Viejo San Juan, ArtLab, Club Maya SalÃ³n de Actividades, Capitolio de Puerto Rico, Castillo San CristÃ³bal, Casa Aboy, La Garita Del Diablo, Fuerte San Felipe del Morro

atlantic ocean