December weather forecast
Canavial, São Tomé and Príncipe

December in Canavial sketches a mild drop in rainfall with an average tally of 159mm (6.26"). The nip in the air ushers the city into the year-end while the UV index remains constant. Transitioning into calmer realms, atmospheric pressure stabilizes, and wind speeds taper down, marking distinct features of the month. Catering to continuous weather intrigue, December's temperatures oscillate between 26.6°C (79.9°F) and 27.5°C (81.5°F). Providing a fitting close to the year, Canavial city welcomes the festive season against the backdrop of subtly shifting weather patterns.

Temperature

December ushers in an average high-temperature of a still warm 27.5°C (81.5°F), aligning closely with the preceding month. Canavial encounters an average temperature dip to a still moderately hot 26.6°C (79.9°F) throughout December, subtly lower than its daytime maximum.

Heat index

In December, the average heat index is evaluated at a hot 31°C (87.8°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.
It is emphasized that the heat index's values are meant for shaded zones with mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

The average relative humidity in December is 79%.

Rainfall

In December, in Canavial, the rain falls for 28.6 days. Throughout December, 159mm (6.26") of precipitation is accumulated. Throughout the year, in Canavial, there are 241.7 rainfall days, and 1287mm (50.67") of precipitation is accumulated.

Daylight

The month with the shortest days in Canavial is December, with an average of 12h and 6min of daylight.
On the first day of December in Canavial, sunrise is at 05:19 and sunset at 17:25. On the last day of the month, sunrise is at 05:33 and sunset at 17:39 GMT.

Sunshine

The average sunshine in December in Canavial is 8.2h.

UV index

The months with the highest UV index in Canavial are January through May, October through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 7 during December leads to these instructions:
Prevent overexposure. Protection from the sun's harmful effects is needed. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.