January Weather in Castelo do Piaui

Last updated: March 2, 2024

The weather in Castelo do Piaui, Brazil, during January is characterized by an average temperature of 28°C (83°F). Highs can soar to 37°C (98°F), while lows may dip to 22°C (72°F). Typically, the humidity level in Castelo do Piaui throughout January hovers around 90%.

22°C (72°F)

Minimum temperature

28°C (83°F)

Average temperature

37°C (98°F)

Maximum temperature

90%

Humidity

Precipitation and Sunshine hours

In January, Castelo do Piaui averages 116 mm (4.6 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 22 minutes of daylight, with the sun shining for approximately 8 hours 4 minutes each day. Additionally, there is a 21% probability of sunny days during this period.

116 mm (4.6 inches)

Precipitation

15 rainy days

Rainy days

8 hours 4 minutes

Sunshine hours

21%

Chance of sun

UV Index

In January, the UV Index in Castelo do Piaui reaches a maximum of 14, 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	7	11	14	14	13	10	6	3	1	0	0
Exposure	Low	Moderate	High	Extreme				VeryHigh	High	Moderate	Low
Time to burn	45 min	30 min	25 min	10 min				15 min	25 min	30 min	45 min