December weather forecastArayat, Philippines
December
Weather in December
The first month of the winter, December, is still a warm month in Arayat, Philippines, with an average temperature fluctuating between 22.1°C (71.8°F) and 29.9°C (85.8°F).Temperature
Entering December, the average high-temperature is recorded at a warm 29.9°C (85.8°F), exhibiting a minimal shift from November's 30.6°C (87.1°F). During the nights in December, Arayat experiences a consistent average temperature of 22.1°C (71.8°F).Heat index
The heat index value for December is calculated to be a fiery hot 37°C (98.6°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Consider that heat index readings are for situations in the shade and light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
The innate cooling system of the human body revolves around perspiration, with the evaporation of sweat being central to this process. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
The average relative humidity in December in Arayat is 80%.Rainfall
In December, the rain falls for 13.1 days. Throughout December, 61mm (2.4") of precipitation is accumulated. Throughout the year, in Arayat, there are 226.3 rainfall days, and 1398mm (55.04") of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 11h and 12min of daylight.On the first day of December, sunrise is at 6:07 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 5:37 pm PST.
Sunshine
In Arayat, the average sunshine in December is 6.8h.UV index
January, July, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 6 transforms into these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arayat, Philippines
- Average high temperature in December: 29.9°C
The warmest month (with the highest average high temperature) is April (34.2°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in December: 22.1°C
The month with the highest average low temperature is May (24.8°C).
The coldest month (with the lowest average low temperature) is January (20.8°C).
Average pressure in December
Arayat, Philippines
- Average pressure in December: 1011.7mbar
The month with the highest atmospheric pressure is February (1013.6mbar).
The month with the lowest atmospheric pressure is August (1007.6mbar).
Average wind speed in December
Arayat, Philippines
- Average wind speed in December: 7.5km/h
The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest months (with the lowest average wind speed) are May and September (5.3km/h).
Average humidity in December
Arayat, Philippines
- Average humidity in December: 80%
The months with the highest relative humidity are August and September (86%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Arayat, Philippines
- Average rainfall in December: 61mm
The wettest month (with the highest rainfall) is July (256mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in December
Arayat, Philippines
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (29.5 days).
The month with the least rainy days is February (6.9 days).
Average daylight in December /
Average sunshine in December
Arayat, Philippines
- Average daylight in December: 11h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in December
Arayat, Philippines
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is July (1.4 days).
Average UV index in December
Arayat, Philippines
- Average UV index in December: 6
The months with the highest UV index are February, March, April, May, June, August, September and October (UV index 7).
The months with the lowest UV index are January, July, November and December (UV index 6).
Average cloud cover in December
Arayat, Philippines
- Average cloud cover in December: 34
The month with the most cloud cover is August (Cloud cover 56).
The months with the least cloud cover are March and April (Cloud cover 29).
Average visibility in December
Arayat, Philippines
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June and December (9km).
The month with the lowest visibility is September (7km).





