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October Weather in San Rafael Arriba, Costa Rica

Last updated: August 23, 2025

In October, the average temperature in San Rafael Arriba, Costa Rica hovers around 19°C (66°F). You'll typically experience a minimum of 14°C (58°F) and a maximum of 25°C (78°F). Be prepared for significant precipitation, with an average of 517 mm (20.4 in) spread over 29 days, alongside a high average humidity of 80%.

October Temperature in San Rafael Arriba

In October in San Rafael Arriba, the average temperature is 19°C (66°F). The maximum can reach 25°C (78°F), while the minimum can be as low as 14°C (58°F). This mild weather makes it an ideal time for outdoor exploration and sightseeing.

October Weather in San Rafael Arriba: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in San Rafael Arriba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Rafael Arriba, October typically has an average temperature of 19°C (66°F), with highs reaching up to 25°C (78°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec636364666666666666656564
Data source: Temperature data for San Rafael Arriba generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in San Rafael Arriba

In San Rafael Arriba in October, the precipitation amount is 517 mm (20.4 in) over the course of 29 days.

October Precipitation Trends in San Rafael Arriba

The chart displays monthly precipitation patterns in San Rafael Arriba, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In San Rafael Arriba, October typically receives around 517 mm (20.4 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec934349113425341266304380517260156
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in San Rafael Arriba

In San Rafael Arriba in October humidity is 80%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel more strenuous and sticky, which can ultimately dampen the experience of traveling.

October Average Humidity in San Rafael Arriba

This chart illustrates the average monthly humidity levels in San Rafael Arriba, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in San Rafael Arriba is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%68%66%67%69%84%85%82%81%80%80%73%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in San Rafael Arriba

In San Rafael Arriba in October, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in San Rafael Arriba.

Maximum UV Index Levels in San Rafael Arriba for October

The chart shows the monthly maximum UV Index (UVI) for San Rafael Arriba in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in San Rafael Arriba typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415161414141414151211
Data source: San Rafael Arriba October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in San Rafael Arriba Compares to Other Months

Weather in San Rafael Arriba varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in San Rafael Arriba, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Rafael Arriba, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)93 mm (3.7 inches)68%extreme
February Weather17°C (64°F)43 mm (1.7 inches)68%extreme
March Weather18°C (64°F)49 mm (1.9 inches)66%extreme
April Weather19°C (66°F)113 mm (4.4 inches)67%extreme
May Weather19°C (67°F)425 mm (16.7 inches)69%extreme
June Weather19°C (67°F)341 mm (13.4 inches)84%extreme
July Weather19°C (66°F)266 mm (10.5 inches)85%extreme
August Weather19°C (66°F)304 mm (12.0 inches)82%extreme
September Weather19°C (66°F)379 mm (14.9 inches)81%extreme
October Weather19°C (66°F)517 mm (20.4 inches)80%extreme
November Weather18°C (65°F)260 mm (10.3 inches)80%extreme
December Weather18°C (64°F)156 mm (6.1 inches)72%extreme

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