October Weather in Siquirres, Costa Rica

Last updated: August 23, 2025

In Siquirres, Costa Rica, the average temperature in October is a pleasant 23°C (73°F). Visitors can expect a minimum temperature of 17°C (63°F) and a maximum of 30°C (85°F). Be prepared for some rain, as the region receives an average precipitation of 461 mm (18.1 in) over the course of 28 days. With an average humidity of 80%, the atmosphere can feel quite lush and vibrant.

October Temperature in Siquirres

In October in Siquirres, the average temperature is 23°C (73°F). Maximums can reach 30°C (85°F), while minimums can drop as low as 17°C (63°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

October Weather in Siquirres: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Siquirres, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siquirres, October typically has an average temperature of 23°C (73°F), with highs reaching up to 30°C (85°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for Siquirres generated using information from the Copernicus Climate Change Service.

October Precipitation in Siquirres

In Siquirres in October, the precipitation amount is 461 mm (18.1 in) spread over the course of 28 days.

October Precipitation Trends in Siquirres

The chart displays monthly precipitation patterns in Siquirres, 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 Siquirres, October typically receives around 461 mm (18.1 inches) of precipitation spread over approximately 28 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Siquirres

In Siquirres 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.

October Average Humidity in Siquirres

This chart illustrates the average monthly humidity levels in Siquirres, 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 Siquirres is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Siquirres

In Siquirres 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 Siquirres, you can check here.

Maximum UV Index Levels in Siquirres for October

The chart shows the monthly maximum UV Index (UVI) for Siquirres 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 Siquirres typically reaches 14, which falls under the extreme exposure category.

Data source: Siquirres 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 Siquirres Compares to Other Months

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

This table compares monthly weather conditions in Siquirres, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	191 mm (7.5 inches)	68%	extreme
February Weather	20°C (69°F)	114 mm (4.5 inches)	68%	extreme
March Weather	21°C (69°F)	122 mm (4.8 inches)	66%	extreme
April Weather	22°C (72°F)	128 mm (5.0 inches)	67%	extreme
May Weather	23°C (73°F)	458 mm (18.0 inches)	69%	extreme
June Weather	23°C (73°F)	235 mm (9.3 inches)	84%	extreme
July Weather	22°C (73°F)	224 mm (8.8 inches)	85%	extreme
August Weather	23°C (73°F)	189 mm (7.4 inches)	82%	extreme
September Weather	23°C (73°F)	176 mm (6.9 inches)	81%	extreme
October Weather	23°C (73°F)	461 mm (18.1 inches)	80%	extreme
November Weather	22°C (72°F)	349 mm (13.7 inches)	80%	extreme
December Weather	21°C (70°F)	265 mm (10.4 inches)	72%	very high