San Juan (Punta Caña)
October
Weather in San Juan for October 2026
Your guide to San Juan weather in October - trends and predictions
Inundación urbana - See hour by hour.
Until now, October 2026 in San Juan is slightly cooler than the historical average by 1.8 °C.
The forecast for the upcoming days in San Juan predicts a temperature of 29 °C, which is slightly above the historical average.
In general, the average temperature in San Juan at the beginning of October is 31.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.7 °C by the end of October.
San Juan in October brings notable rainfall, with an average of 18 rainy days and a total precipitation of 257.6 mm.
Is October a good time to visit San Juan? check out the best time to travel to San Juan page.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
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13
Dry days
18
Rainy days
0
Snow days
31°/18°
Temperatures
12 km/h
Avg max wind
79 %
Avg humidity
San Juan Weather October
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Temperatures trend during October in San Juan
See the weather trend as well as the moving average line
October weather in San Juan day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Light rain | 32° /19° | 4.9 mm | 8 | |
| 2 Oct. |  Patchy rain possible | 31° /20° | 2.3 mm | 6 | |
| 3 Oct. |  Moderate rain | 32° /19° | 12.4 mm | 6 | |
| 4 Oct. | Moderate rain | 31° /17° | 15.5 mm | 6 | |
| 5 Oct. | Light rain | 33° /17° | 7.8 mm | 7 | |
| 6 Oct. | Patchy rain possible | 31° /18° | 1.8 mm | 8 | |
| 7 Oct. | Patchy rain possible | 32° /19° | 2.2 mm | 6 | |
| 8 Oct. | Light rain | 32° /19° | 2.5 mm | 6 | |
| 9 Oct. | Light rain | 31° /18° | 2.7 mm | 7 | |
| 10 Oct. | Patchy rain possible | 31° /18° | 2.3 mm | 8 | |
| 11 Oct. | Patchy rain possible | 32° /18° | 0.4 mm | 8 | |
| 12 Oct. | Patchy rain possible | 32° /16° | 0.7 mm | 8 | |
| 13 Oct. | Light rain | 32° /18° | 4 mm | 8 | |
| 14 Oct. |  Overcast | 31° /19° | 0.7 mm | 6 | |
| 15 Oct. | Patchy rain possible | 33° /20° | 2 mm | 7 | |
| 16 Oct. | Patchy rain possible | 33° /19° | 2 mm | 8 | |
| 17 Oct. | Light rain | 32° /18° | 6.9 mm | 8 | |
| 18 Oct. | Patchy rain possible | 32° /17° | 0.7 mm | 8 | |
| 19 Oct. | Light rain | 32° /17° | 3.6 mm | 8 | |
| 20 Oct. | Patchy rain possible | 32° /18° | 0.9 mm | 7 | |
| 21 Oct. | Light rain | 32° /18° | 6.9 mm | 8 | |
| 22 Oct. | Light rain | 31° /18° | 5.2 mm | 7 | |
| 23 Oct. |  Moderate or heavy rain shower | 31° /17° | 6.4 mm | 6 | |
| 24 Oct. | Moderate rain | 30° /18° | 15.3 mm | 5 | |
| 25 Oct. |  Heavy rain | 26° /17° | 28.8 mm | 5 | |
| 26 Oct. | Moderate rain | 27° /17° | 12.5 mm | 5 | |
| 27 Oct. | Moderate rain | 29° /18° | 11.5 mm | 9.5 | |
| 28 Oct. | Light rain | 29° /18° | 9.6 mm | 9.3 | |
| 29 Oct. | Light rain | 29° /19° | 9.9 mm | 9.2 | |
| 30 Oct. | Light rain | 29° /18° | 5.2 mm | 9.3 | |
| 31 Oct. | Light rain | 29° /18° | 5.7 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for San Juan in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Juan forecast closer to your planned date for the most up-to-date weather information.
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San Juan in October - FAQ
What are the expected maximum and minimum temperatures in San Juan during October?
Expect warm days with temperatures around 31°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in San Juan during October?
Significant rainfall exceeding 257.6 mm is expected in San Juan during October, occurring over more than 18 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Juan during October?
The average wind speed in San Juan during October is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
San Juan water temperatures in October
The average water temperature of the Caribbean Sea near San Juan in October is 29.5 °C. At the beginning of October temperatures are around 29.6 °C; by the end of the month they stay fairly steady and reach 29.4 °C.
- What is the water temperature in San Juan in October?
- The average water temperature in San Juan in October is 29.5 °C.
- Can you swim in San Juan in October?
- The sea feels almost bath-like – perfect for floating, paddle-boarding or spending hours snorkeling without a wetsuit.
October rainfall patterns in San Juan
Explore the daily rainfall trends and prepare for San Juans October weather 💧
Typically, San Juan has 18 rainy days in October with a total of 257.6 mm of rainfall.
UV exposure in San Juan during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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