San Juan Water Temperature

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

San Juan Summary

Description	Value
Current water temperature	/ 21 °C
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 highest water temperature will be reached in September with around 84.4°F / 29.1°C. The lowest 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
Jan. 14	Clear Sky	82 °F 42°F	28 °C 5°C	2mph (3km/h) southwest	0in (0mm) 0 %	44%
Jan. 15	Few clouds	66 °F 45°F	19 °C 7°C	2mph (4km/h) south-southeast	0in (0mm) 0 %	37%
Jan. 16	Clear Sky	70 °F 40°F	21 °C 5°C	1mph (2km/h) southwest	0in (0mm) 0 %	34%
Jan. 17	Overcast clouds	65 °F 58°F	18 °C 15°C	2mph (3km/h) east	0in (1mm) 60 %	82%
Jan. 18	Overcast clouds	77 °F 60°F	25 °C 15°C	3mph (5km/h) southeast	0in (1mm) 25 %	79%
Jan. 19	Overcast clouds	81 °F 68°F	27 °C 20°C	5mph (9km/h) south-southeast	0in (0mm) 20 %	76%
Jan. 20	Overcast clouds	79 °F 70°F	26 °C 21°C	4mph (6km/h) south-southeast	0in (2mm) 45 %	79%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Jan. 21	Overcast clouds	87 °F 71°F	31 °C 22°C	4mph (7km/h) south-southeast	0in (1mm) 25 %	79%
Jan. 22	Broken clouds	74 °F 71°F	23 °C 22°C	4mph (7km/h) south-southeast	0in (0mm) 20 %	68%
Jan. 23	Overcast clouds	80 °F 65°F	26 °C 18°C	3mph (5km/h) northeast	0in (0mm) 20 %	67%
Jan. 24	Overcast clouds	60 °F 66°F	16 °C 19°C	3mph (5km/h) east-southeast	0in (0mm) 20 %	76%
Jan. 25	Overcast clouds	67 °F 47°F	20 °C 8°C	6mph (9km/h) east	0in (2mm) 40 %	82%
Jan. 26	Overcast clouds	75 °F 44°F	24 °C 7°C	4mph (6km/h) south	0in (0mm) 20 %	47%
Jan. 27	Broken clouds	61 °F 48°F	16 °C 9°C	2mph (3km/h) northeast	0in (0mm) 0 %	63%
Jan. 28	Overcast clouds	67 °F 60°F	20 °C 16°C	3mph (5km/h) southeast	0in (0mm) 15 %	71%
Jan. 29	Few clouds	75 °F 62°F	24 °C 17°C	5mph (7km/h) south-southeast	0in (0mm) 0 %	72%

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%

The warmest avg. 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. February is the month with the min. precipitation of 1in / 25.1mm and September with the max. precipitation in a year with 5in / 127mm.

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