Last updated: March 2, 2024
The weather in San Diego, Costa Rica, during March is characterized by an average temperature of 18°C (64°F). Highs can soar to 24°C (76°F), while lows may dip to 13°C (55°F). Typically, the humidity level in San Diego throughout March hovers around 66%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In March, San Diego averages 49 mm (1.9 inches) of rainfall, typically over the course of 14 rainy days. The month enjoys an average of 12 hours 3 minutes of daylight, with the sun shining for approximately 10 hours 36 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In March, the UV Index in San Diego reaches a maximum of 15, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 5 | 8 | 12 | 15 | 15 | 13 | 9 | 5 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||