December weather forecastCatarman, Philippines
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Catarman, Philippines, with an average temperature varying between 28.5°C (83.3°F) and 25.5°C (77.9°F).Temperature
Welcoming December, Catarman notes an average high-temperature of a still warm 28.5°C (83.3°F), nearly consistent with November's 29.2°C (84.6°F). Throughout December nights, Catarman records a consistent low-temperature averaging a still warm 25.5°C (77.9°F).Heat index
Throughout December, the heat index is computed to be a hot 34°C (93.2°F). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical 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 essentially critical for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
The average relative humidity in December is 83%.Rainfall
December is the month with the most rainfall in Catarman. Rain falls for 25 days and accumulates 280mm (11.02") of precipitation.Sea temperature
In December, the average sea temperature in Catarman is 28.2°C (82.8°F).Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) are ideal for swimming, diving, and similar water activities, ensuring pleasure and comfort for extended periods without feeling uneasy.
Daylight
The month with the shortest days in Catarman is December, with an average of 11h and 24min of daylight.On the first day of December, sunrise is at 5:47 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 5:26 pm PST.
Sunshine
In Catarman, the average sunshine in December is 6.4h.UV index
January and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the UV index of 6 transforms into the following advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Catarman, Philippines
- Average high temperature in December: 28.5°C
The warmest month (with the highest average high temperature) is May (31.5°C).
The month with the lowest average high temperature is January (27.4°C).
- Average low temperature in December: 25.5°C
The month with the highest average low temperature is August (26.1°C).
The coldest month (with the lowest average low temperature) is February (24.3°C).
Average pressure in December
Catarman, Philippines
- Average pressure in December: 1010mbar
The month with the highest atmospheric pressure is February (1012.4mbar).
The month with the lowest atmospheric pressure is August (1007.9mbar).
Average wind speed in December
Catarman, Philippines
- Average wind speed in December: 16.3km/h
The windiest month (with the highest average wind speed) is January (18.8km/h).
The calmest month (with the lowest average wind speed) is May (9.5km/h).
Average humidity in December
Catarman, Philippines
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are May and August (78%).
Average rainfall in December
Catarman, Philippines
- Average rainfall in December: 280mm
The wettest month (with the highest rainfall) is December (280mm).
The driest month (with the least rainfall) is April (66mm).
Average rainfall days in December
Catarman, Philippines
- Average rainfall days in December: 25 days
The month with the highest number of rainy days is December (25 days).
The month with the least rainy days is August (18.9 days).
Average sea temperature in December
Catarman, Philippines
- Average sea temperature in December: 28.2°C
The best month for swimming (with the highest average sea temperature) is June (29.8°C).
The coldest month (with the lowest average sea temperature) is February (27°C).
Average daylight in December /
Average sunshine in December
Catarman, Philippines
- Average daylight in December: 11h and 24min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in December: 6h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Catarman, Philippines
- Average sunshine days in December: 3.9 days
The month with the most sunshine days is August (9.7 days).
The month with the least sunshine days is November (3.5 days).
Average UV index in December
Catarman, Philippines
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in December
Catarman, Philippines
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is May (Cloud cover 30).
Average visibility in December
Catarman, Philippines
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





