January weather forecast
Antigua Guatemala, Guatemala

The climate transition from December to January in Antigua Guatemala is almost imperceptible with mild alterations in weather conditions. January ushers in the year with an aggregated rainfall of 1mm, making it the driest month on the calendar. The dry phase extends to both daytime and nighttime temperatures, maintaining a reasonable balance. Sunshine dominates the atmosphere for much of the day, with a predictable daylight schedule ensuring the UV index remains high throughout the month. Consequently, January is an ideal time for outdoor pursuits, despite the risk of UV radiation exposure.

Temperature

As December transitions into January, Antigua Guatemala records an average high-temperature of a still pleasant 22.5°C, showing a gentle shift from the preceding month. During January, Antigua Guatemala experiences a consistent low-temperature average of 10.8°C.

Rainfall

January is the month with the least rainfall in Antigua Guatemala. Rain falls for 8 days and accumulates 1mm of precipitation.

Daylight

In Antigua Guatemala, the average length of the day in January is 11h and 23min.
On the first day of the month, sunrise is at 06:27 and sunset at 17:45. On the last day of January, sunrise is at 06:31 and sunset at 18:01 CST.

Sunshine

January through May and December, with an average of 8h of sunshine, are months with the most sunshine in Antigua Guatemala.

UV index

In Antigua Guatemala, the average daily maximum UV index in January is 10. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A daily high UV index of 10 in January leads to these guidelines:
Always be mindful of protection. The risk of damage to skin and eyes is significant if neglected. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.