January Weather in Arenal

Last updated: March 2, 2024

The weather in Arenal, Honduras, during January is characterized by an average temperature of 21°C (69°F). Highs can soar to 31°C (88°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Arenal throughout January hovers around 78%.

13°C (55°F)

Minimum temperature

21°C (69°F)

Average temperature

31°C (88°F)

Maximum temperature

78%

Humidity

Precipitation and Sunshine hours

In January, Arenal averages 37 mm (1.5 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 11 hours 19 minutes of daylight, with the sun shining for approximately 7 hours 11 minutes each day. Additionally, there is a 30% probability of sunny days during this period.

37 mm (1.5 inches)

Precipitation

11 rainy days

Rainy days

7 hours 11 minutes

Sunshine hours

30%

Chance of sun

UV Index

In January, the UV Index in Arenal reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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	1	2	5	8	10	11	10	7	4	2	1	0	0
Exposure	Low		Moderate	VeryHigh		Extreme	VeryHigh	High	Moderate	Low
Time to burn	45 min		30 min	15 min		10 min	15 min	25 min	30 min	45 min