December weather forecast
San Pedro Sula, Honduras

December sees the curtains fall on the year with the further cooling of San Pedro Sula's temperatures. Simultaneously, the city records a continued reduction in rainfall, recording about 122mm (4.8") over the month. The changes observed indicate a shift into the dry season, as both the daily sunlight hours and UV index decrease. As the year ends, the return to more temperate weather conditions marks December as a relief after a series of rainy months.

Temperature

San Pedro Sula witnesses its lowest temperatures during January and December, when the average high-temperature reaches 29.2°C (84.6°F).

Heat index

For most parts of December, the heat index is evaluated at a sweltering 36°C (96.8°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
Understand that the heat index values take into account shaded locations and mild winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

The most humid month in San Pedro Sula, Honduras, is December, with an average relative humidity of 85%.

Rainfall

In San Pedro Sula, Honduras, during December, the rain falls for 8 days and regularly aggregates up to 122mm (4.8") of precipitation. Throughout the year, in San Pedro Sula, there are 89 rainfall days, and 1173mm (46.18") of precipitation is accumulated.

Daylight

December has the shortest days of the year in San Pedro Sula, Honduras, with an average of 11h and 12min of daylight.
On the first day of the month, sunrise is at 06:03 and sunset at 17:19. On the last day of December, sunrise is at 06:18 and sunset at 17:32 CST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year in San Pedro Sula.

UV index

The month with the lowest UV index in San Pedro Sula is December, with an average maximum UV index of 8. A UV Index of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 8 leads to the following instructions:
Never be careless. Unprotected skin and eyes can be harmed swiftly. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.