Last updated: August 23, 2025
In San Rafael, Costa Rica, the average temperature in October is a pleasant 23°C (73°F). During this time, you can expect temperatures to range from a minimum of 18°C (66°F) to a maximum of 29°C (84°F). With an average precipitation of 639 mm (25.2 in) spread over 30 days, and a humidity level hovering around 80%, it's wise to prepare for both warmth and the occasional shower.
In October in San Rafael, the average temperature is 23°C (73°F), with maximums reaching 29°C (84°F) and minimums dropping to as low as 18°C (66°F). This pleasant climate makes it an ideal destination for travelers seeking comfortable weather.
In San Rafael in October, the total precipitation amount is 639 mm (25.2 in) over the course of 30 days.
In San Rafael in October humidity is 80%. With an average temperature of 23°C (73°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly sticky and requiring frequent breaks in shaded areas to stay comfortable while exploring.
In San Rafael in October, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Rafael, you can check here.
UV Risk Categories
Weather in San Rafael varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Rafael, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (74°F) | 28 mm (1.1 inches) | 68% | extreme |
| February Weather | 24°C (76°F) | 13 mm (0.5 inches) | 68% | extreme |
| March Weather | 25°C (77°F) | 18 mm (0.7 inches) | 66% | extreme |
| April Weather | 24°C (76°F) | 118 mm (4.6 inches) | 67% | extreme |
| May Weather | 24°C (75°F) | 412 mm (16.2 inches) | 69% | extreme |
| June Weather | 24°C (75°F) | 397 mm (15.6 inches) | 84% | extreme |
| July Weather | 24°C (75°F) | 296 mm (11.7 inches) | 85% | extreme |
| August Weather | 23°C (74°F) | 393 mm (15.5 inches) | 82% | extreme |
| September Weather | 23°C (74°F) | 461 mm (18.2 inches) | 81% | extreme |
| October Weather | 23°C (73°F) | 639 mm (25.2 inches) | 80% | extreme |
| November Weather | 23°C (74°F) | 251 mm (9.9 inches) | 80% | extreme |
| December Weather | 23°C (74°F) | 72 mm (2.8 inches) | 72% | very high |