December weather forecast
Arraiján, Panama

Culminating the year, December in Arraiján records a decrease in several weather elements. Rainfall reduces significantly from November's 211mm (8.31"), rounding off to roughly 125mm (4.92"). Wind speed climbs from November, offering a respite from the stiller conditions. Despite a slight uptick in sunlight days as compared to November, overall temperature averages stay consistent. Characteristically, December brings the year to a gentle close, setting a serene atmosphere with predictable weather elements and less intense conditions.

Temperature

In the transition from November to December, Arraiján reports an average high-temperature of a still warm 28.8°C (83.8°F), indicating a close resemblance to the prior month. Recording a slight decline in temperature during the nights, Arraiján's December temperatures average at a still warm 24°C (75.2°F).

Heat index

During December, the heat index is appraised at a sweltering 35°C (95°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In December, the average relative humidity is 85%.

Rainfall

In Arraiján, in December, it is raining for 26.4 days, with typically 125mm (4.92") of accumulated precipitation. In Arraiján, during the entire year, the rain falls for 294.6 days and collects up to 1899mm (74.76") of precipitation.

Daylight

With an average of 11h and 36min of daylight, December has the shortest days of the year in Arraiján.
On the first day of December, sunrise is at 06:18 and sunset at 17:57. On the last day of the month, sunrise is at 06:33 and sunset at 18:10 EST.

Sunshine

In Arraiján, the average sunshine in December is 7.3h.

UV index

The months with the highest UV index in Arraiján are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.