October Weather in Guacui, Brazil

Last updated: August 22, 2025

In Guacui, Brazil, the average temperature in October is a pleasant 21°C (71°F). Expect lows of 13°C (55°F) and highs peaking at 34°C (94°F). However, be prepared for 141 mm (5.5 in) of precipitation spread over 17 days, contributing to an average humidity of 66%.

October Temperature in Guacui

In October in Guacui, the average temperature is 21°C (71°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 13°C (55°F). This pleasant climate makes Guacui an ideal destination for travelers seeking comfortable weather and outdoor activities.

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

The chart illustrates October temperature patterns in Guacui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guacui, October typically has an average temperature of 21°C (71°F), with highs reaching up to 34°C (94°F) and lows dropping to around 13°C (55°F).

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

October Precipitation in Guacui

In Guacui in October, the total precipitation amount is 141 mm (5.5 in) spread over 17 days.

October Precipitation Trends in Guacui

The chart displays monthly precipitation patterns in Guacui, 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 Guacui, October typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 17 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 Guacui

In Guacui in October, humidity is 66%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities a bit taxing but also lends a vibrant energy to the atmosphere, ideal for those who appreciate a tropical ambiance while exploring.

October Average Humidity in Guacui

This chart illustrates the average monthly humidity levels in Guacui, 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 Guacui is approximately 66%, 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 Guacui

In Guacui 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 Guacui, you can check here.

Maximum UV Index Levels in Guacui for October

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

Data source: Guacui 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 Guacui Compares to Other Months

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

This table compares monthly weather conditions in Guacui, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	125 mm (4.9 inches)	80%	extreme
February Weather	23°C (74°F)	253 mm (9.9 inches)	85%	extreme
March Weather	23°C (73°F)	173 mm (6.8 inches)	86%	extreme
April Weather	21°C (70°F)	103 mm (4.1 inches)	85%	extreme
May Weather	19°C (67°F)	58 mm (2.3 inches)	82%	very high
June Weather	19°C (66°F)	27 mm (1.1 inches)	81%	high
July Weather	17°C (64°F)	17 mm (0.7 inches)	79%	very high
August Weather	18°C (64°F)	35 mm (1.4 inches)	75%	very high
September Weather	21°C (70°F)	49 mm (1.9 inches)	72%	extreme
October Weather	21°C (71°F)	141 mm (5.5 inches)	66%	extreme
November Weather	21°C (70°F)	200 mm (7.9 inches)	69%	extreme
December Weather	23°C (73°F)	239 mm (9.4 inches)	72%	extreme