Last updated: March 2, 2024
The weather in San Marcos, Costa Rica, during June is characterized by an average temperature of 18°C (66°F). Highs can soar to 24°C (75°F), while lows may dip to 15°C (59°F). Typically, the humidity level in San Marcos throughout June hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In June, San Marcos averages 399 mm (15.7 inches) of rainfall, typically over the course of 29 rainy days. The month enjoys an average of 12 hours 40 minutes of daylight, with the sun shining for approximately 7 hours 31 minutes each day. Additionally, there is a 13% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In June, the UV Index in San Marcos reaches a maximum of 14, 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 | 9 | 12 | 14 | 14 | 12 | 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 | ||||||