October Weather in Castelo do Piaui

Last updated: March 2, 2024

The weather in Castelo do Piaui, Brazil, during October is characterized by an average temperature of 31°C (89°F). Highs can soar to 39°C (102°F), while lows may dip to 24°C (75°F). Typically, the humidity level in Castelo do Piaui throughout October hovers around 38%.

24°C (75°F)

Minimum temperature

31°C (89°F)

Average temperature

39°C (102°F)

Maximum temperature

38%

Humidity

Precipitation and Sunshine hours

In October, Castelo do Piaui averages 7 mm (0.3 inches) of rainfall, typically over the course of 2 rainy days. The month enjoys an average of 12 hours 12 minutes of daylight, with the sun shining for approximately 11 hours 27 minutes each day. Additionally, there is a 55% probability of sunny days during this period.

7 mm (0.3 inches)

Precipitation

2 rainy days

Rainy days

11 hours 27 minutes

Sunshine hours

55%

Chance of sun

UV Index

In October, the UV Index in Castelo do Piaui reaches a maximum of 13, 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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	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	4	8	11	13	13	11	7	4	2	1	0	0
Exposure	Low	Moderate	VeryHigh	Extreme				High	Moderate	Low
Time to burn	45 min	30 min	15 min	10 min				25 min	30 min	45 min