Last updated: August 28, 2025
In San Mateo, Venezuela, the average temperature in December sits comfortably at 23°C (73°F). Expect a pleasant range, with minimums dipping to 15°C (60°F) and maximums soaring up to 31°C (89°F). However, be prepared for some rainfall, as you can anticipate 97 mm (3.8 in) of precipitation spread over 23 days. With an average humidity of 70%, this month in San Mateo offers a blend of warmth and moisture, perfect for experiencing its unique atmosphere!
In December in San Mateo, the average temperature is 23°C (73°F), with maximums reaching up to 31°C (89°F) and minimums dropping as low as 15°C (60°F). This makes it an ideal time for travelers seeking pleasant weather and comfortable conditions for outdoor activities.
In San Mateo in December, the precipitation amount is 97 mm (3.8 in) occurring over the course of 23 days.
In San Mateo in December humidity is 70%. With an average temperature of 23°C (73°F), this humidity feels like a warm, sticky embrace that can lead to a feeling of lethargy while traveling, making it essential to stay hydrated and take breaks in shaded areas.
In San Mateo in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Mateo.
UV Risk Categories
Weather in San Mateo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Mateo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (72°F) | 80 mm (3.1 inches) | 69% | extreme |
| February Weather | 22°C (73°F) | 51 mm (2.0 inches) | 69% | extreme |
| March Weather | 23°C (73°F) | 123 mm (4.8 inches) | 69% | extreme |
| April Weather | 24°C (75°F) | 162 mm (6.4 inches) | 68% | extreme |
| May Weather | 25°C (76°F) | 155 mm (6.1 inches) | 69% | extreme |
| June Weather | 24°C (76°F) | 150 mm (5.9 inches) | 74% | extreme |
| July Weather | 24°C (75°F) | 141 mm (5.5 inches) | 79% | extreme |
| August Weather | 24°C (75°F) | 170 mm (6.7 inches) | 73% | extreme |
| September Weather | 24°C (76°F) | 142 mm (5.6 inches) | 69% | extreme |
| October Weather | 24°C (75°F) | 180 mm (7.1 inches) | 69% | extreme |
| November Weather | 23°C (74°F) | 164 mm (6.4 inches) | 71% | extreme |
| December Weather | 23°C (73°F) | 97 mm (3.8 inches) | 70% | very high |