January weather forecast
Guatemala City, Guatemala

The new year kicks off in Guatemala City, Guatemala with moderate temperatures, with the highest temperature being 24.3°C, and a gentle increase compared to the preceding month of December. The city experiences rather short hours of daylight similar to December. The occurrence of rainfall is infrequent though rainfall starts to show a slight rise from the preceding month. Ultraviolet rays intensity is relatively high, requiring suitable protection, particularly during the hour of maximum radiation. The weather in January portrays the city's transition from winter to Guatemala's dry season.

Temperature

As Guatemala City transitions from December to January, the average high-temperatures adjust to a still warm 24.3°C, nearly the same as the previous 23.9°C. During January nights, Guatemala City witnesses a consistent average temperature of 13.2°C.

Humidity

In January, the average relative humidity is 74.3%.

Rainfall

January is the month with the least rainfall in Guatemala City. Rain falls for 1.7 days and accumulates 3mm of precipitation.

Daylight

In Guatemala City, 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 17:44. On the last day of January, in Guatemala City, sunrise is at 06:30 and sunset at 18:00 CST.

Sunshine

In Guatemala City, the average sunshine in January is 8h.

UV index

In Guatemala City, the average daily maximum UV index in January is 10. A UV Index of 8 to 10 symbolizes a very high threat to health from unsafe exposure to UV radiation for the average person.
Note: The UV index of 10 during January leads to these advisories:
Always be careful, as unprotected skin and eyes might burn in no time. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.