San Isidro
December
Weather in San Isidro for December 2025
Your guide to San Isidro weather in December - trends and predictions
Until now, December 2025 in San Isidro has been nearly identical to the historical average, with a temperature of 24.4 °C (showing only a slight deviation of -0.3 °C).
The forecast for the next days in San Isidro predicts temperatures to be around 25 °C, close to the historical average.
In general, the average temperature in San Isidro at the beginning of December is 24.3 °C. As the month progressed, temperatures tended to remain steady, reaching an average of 24.3 °C by the end of December.
San Isidro experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 168.6 mm.
Temperatures
Rain 🌧️
9
Dry days
22
Rainy days
0
Snow days
25°/13°
Temperatures
7 km/h
Avg max wind
84 %
Avg humidity
San Isidro Weather December
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Temperatures trend during December in San Isidro
See the weather trend as well as the moving average line
December weather in San Isidro day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 24° /12° | 12.8 mm | 5 | |
| 2 Dec. | Light rain shower | 23° /14° | 11 mm | 5 | |
| 3 Dec. | Light rain shower | 24° /13° | 3.2 mm | 5 | |
| 4 Dec. | Light rain shower | 24° /14° | 4.7 mm | 6 | |
| 5 Dec. | Patchy rain possible | 25° /14° | 2.5 mm | 6 | |
| 6 Dec. | Light rain shower | 25° /12° | 9 mm | 6 | |
| 7 Dec. | Patchy rain possible | 25° /13° | 5.3 mm | 6 | |
| 8 Dec. | Light rain shower | 25° /14° | 5.6 mm | 6 | |
| 9 Dec. | Patchy rain possible | 25° /14° | 3 mm | 6 | |
| 10 Dec. | Patchy rain possible | 25° /12° | 0.8 mm | 6 | |
| 11 Dec. |  Patchy light drizzle | 26° /11° | 3.2 mm | 6 | |
| 12 Dec. | Patchy rain possible | 25° /11° | 0.5 mm | 6 | |
| 13 Dec. | Patchy rain possible | 25° /12° | 5.5 mm | 6 | |
| 14 Dec. | Patchy rain possible | 26° /11° | 2.1 mm | 6 | |
| 15 Dec. |  Moderate rain | 24° /14° | 13.8 mm | 1.8 | |
| 16 Dec. | Patchy rain possible | 24° /15° | 3.9 mm | 2.2 | |
| 17 Dec. | Patchy rain possible | 26° /15° | 0.9 mm | 2.3 | |
| 18 Dec. | Patchy rain possible | 25° /18° | 3.6 mm | 1.9 | |
| 19 Dec. | Patchy rain possible | 26° /17° | 0.6 mm | 0 | |
| 20 Dec. | Patchy rain possible | 26° /18° | 0.3 mm | 5 | |
| 21 Dec. | Patchy rain possible | 26° /18° | 0.3 mm | 5 | |
| 22 Dec. | Patchy rain possible | 26° /12° | 0.2 mm | 4 | |
| 23 Dec. | Patchy rain possible | 25° /12° | 0.3 mm | 4 | |
| 24 Dec. | Patchy rain possible | 26° /12° | 0.7 mm | 4 | |
| 25 Dec. | Patchy rain possible | 25° /11° | 1.9 mm | 4 | |
| 26 Dec. | Patchy rain possible | 24° /12° | 1.2 mm | 4 | |
| 27 Dec. | Patchy rain possible | 26° /12° | 0.2 mm | 4 | |
| 28 Dec. | Patchy rain possible | 26° /12° | 0.1 mm | 4 | |
| 29 Dec. | Light rain shower | 24° /12° | 20.4 mm | 5 | |
| 30 Dec. | Light rain shower | 21° /11° | 10.4 mm | 5 | |
| 31 Dec. | Light rain shower | 24° /11° | 7.5 mm | 5 | |
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Important Notice
Our weather forecast for San Isidro in December 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 Isidro forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Isidro in December - FAQ
What are the expected maximum and minimum temperatures in San Isidro during December?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in San Isidro during December?
Significant rainfall exceeding 168.6 mm is expected in San Isidro during December, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in San Isidro during December?
The average wind speed in San Isidro during December is 7 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in San Isidro
Explore the daily rainfall trends and prepare for San Isidros December weather 💧
Typically, San Isidro has 22 rainy days in December with a total of 168.6 mm of rainfall.
UV exposure in San Isidro during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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