December weather forecastSantiago, Philippines
December
Weather in December
December, the first month of the winter in Santiago, is also a moderately hot month, with an average temperature varying between 20°C (68°F) and 25.8°C (78.4°F).Temperature
December's arrival registers an average high-temperature of a still warm 25.8°C (78.4°F), closely aligning with the temperature of the previous month. During the month of December, the nighttime temperature in Santiago, Philippines, falls to an average of 20°C (68°F).Humidity
In Santiago, the average relative humidity in December is 86%.Rainfall
In Santiago, in December, during 21.5 rainfall days, 121mm (4.76") of precipitation is typically accumulated. In Santiago, during the entire year, the rain falls for 275.8 days and collects up to 1583mm (62.32") of precipitation.Daylight
The month with the shortest days is December, with an average of 11h and 12min of daylight.On the first day of the month, sunrise is at 6:06 am and sunset at 5:19 pm. On the last day of December, sunrise is at 6:22 am and sunset at 5:31 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.9h of sunshine.UV index
January and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in December translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Santiago, Philippines
- Average high temperature in December: 25.8°C
The warmest month (with the highest average high temperature) is June (32.6°C).
The month with the lowest average high temperature is January (24.4°C).
- Average low temperature in December: 20°C
The months with the highest average low temperature are May and June (22.8°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average pressure in December
Santiago, Philippines
- Average pressure in December: 1013.3mbar
The months with the highest atmospheric pressure are January and February (1014.8mbar).
The month with the lowest atmospheric pressure is August (1007.3mbar).
Average wind speed in December
Santiago, Philippines
- Average wind speed in December: 6km/h
The windiest month (with the highest average wind speed) is October (6.5km/h).
The calmest month (with the lowest average wind speed) is May (4.7km/h).
Average humidity in December
Santiago, Philippines
- Average humidity in December: 86%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Santiago, Philippines
- Average rainfall in December: 121mm
The wettest month (with the highest rainfall) is August (196mm).
The driest month (with the least rainfall) is February (57mm).
Average rainfall days in December
Santiago, Philippines
- Average rainfall days in December: 21.5 days
The month with the highest number of rainy days is July (28.9 days).
The month with the least rainy days is February (19.2 days).
Average daylight in December /
Average sunshine in December
Santiago, Philippines
- Average daylight in December: 11h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Santiago, Philippines
- Average sunshine days in December: 2.7 days
The month with the most sunshine days is March (7.4 days).
The month with the least sunshine days is July (0.4 days).
Average UV index in December
Santiago, Philippines
- Average UV index in December: 5
The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in December
Santiago, Philippines
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Santiago, Philippines
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





