December weather forecast
Semirara, Philippines

December, the first month of the winter in Semirara, is also a moderately hot month, with an average temperature varying between 25.5°C (77.9°F) and 29.6°C (85.3°F).

Temperature

Semirara marks the onset of December with an average high-temperature of a warm 29.6°C (85.3°F), a subtle shift from November's 30.2°C (86.4°F). In Semirara, a slight decrease from the daytime peak is noted during the month of December, with an average low-temperature of 25.5°C (77.9°F).

Heat index

The heat index value during December is evaluated at a very hot 35°C (95°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Semirara, the average relative humidity in December is 76%.

Rainfall

In Semirara, in December, it is raining for 8.3 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, in Semirara, there are 179.3 rainfall days, and 1123mm (44.21") of precipitation is accumulated.

Sea temperature

In Semirara, the average seawater temperature in December is 28°C (82.4°F).
Note: For swimming, diving, or other water activities, temperatures from 25°C (77°F) to 29°C (84.2°F) provide the most enjoyable experience for extended periods without discomfort.

Daylight

December has the shortest days of the year, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 5:59 am and sunset at 5:27 pm. On the last day of December, sunrise is at 6:14 am and sunset at 5:40 pm PST.

Sunshine

January and December, with an average of 7.2h of sunshine, are months with the least sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. 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 health hazard from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 7 in December suggests the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be careful! The Sun's UV radiation is accentuated by reflecting off sand and water.