San Juan Water Temperature
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San Juan is a city close to Atlantic Ocean.
September is the month with the warmest water temperature at 84.4°F / 29.1°C.
The coolest month is March with an avg. water temperature of 78.8°F / 26°C.
February is the sunniest at 1in / 25.1mm and September the wettest month with 5in / 127mm.
The average air 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 average air temperature.
tropical rainforest climate would be the climate here.
January, February, March, April, May, June, July, August, September, October, November, December would be the best time to visit.
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 |
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San Juan water temperature by month
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 |
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 |
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San Juan weather today & 14-day weather forecast
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San Juan weather by month / climate table
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% |
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 driest at 1in / 25.1mm and September the wettest month with 5in / 127mm.
With an average temperature of 76.3°F / 24.6°C, July is the warmest month in a year. January is the coldest with 70.3°F / 21.3°C average temperature.
Activities & POI in San Juan
| Type of Activity | List |
|---|---|
| Beach | Condado Beach, Playita de Condado, Playa del Caribe Hilton, Balneario Escambrón II, Punta Salinas, Balneario Escambrón |
| Marina for Sailing, Boat adventures, fishing | Club Náutico de San Juan |
| Attraction | Sede Central del Sitio Histórico Nacional de San Juan, Viejo San Juan, ArtLab, Club Maya Salón de Actividades, Capitolio de Puerto Rico, Castillo San Cristóbal, Casa Aboy, La Garita Del Diablo, Fuerte San Felipe del Morro |
