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December Weather in Bacnotan, Philippines

Last updated: August 27, 2025

In December, the average temperature in Bacnotan, Philippines hovers around 27°C (81°F), creating a warm and inviting atmosphere. Expect a minimum of 24°C (76°F) and a pleasant maximum of 30°C (86°F). However, be prepared for some rain, as 105 mm (4.1 in) of precipitation can be expected over 18 days. With an average humidity of 85%, it's the perfect time to enjoy the tropical warmth while staying hydrated!

December Temperature in Bacnotan

In December in Bacnotan, the average temperature is 27°C (81°F), with maximums reaching 30°C (86°F) and minimums dropping to as low as 24°C (76°F). It's a great time to visit for those who enjoy warm, pleasant weather.

December Weather in Bacnotan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bacnotan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bacnotan, December typically has an average temperature of 27°C (81°F), with highs reaching up to 30°C (86°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec797981828484828282828280
Data source: Temperature data for Bacnotan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bacnotan

In Bacnotan in December, the total precipitation amount is 105 mm (4.1 in) over a span of 18 days.

December Precipitation Trends in Bacnotan

The chart displays monthly precipitation patterns in Bacnotan, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bacnotan, December typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec107773450177343594675340233149105
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bacnotan

In Bacnotan in December humidity is 85%. With an average temperature of 27°C (81°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier as sweat clings to your skin and the air feels almost tangible, which can be quite challenging for traveling.

December Average Humidity in Bacnotan

This chart illustrates the average monthly humidity levels in Bacnotan, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bacnotan is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%73%71%73%77%85%86%87%87%86%89%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bacnotan

In Bacnotan in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bacnotan.

Maximum UV Index Levels in Bacnotan for December

The chart shows the monthly maximum UV Index (UVI) for Bacnotan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bacnotan typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151314141414131110
Data source: Bacnotan December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Bacnotan Compares to Other Months

Weather in Bacnotan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bacnotan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bacnotan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)107 mm (4.2 inches)77%extreme
February Weather26°C (79°F)77 mm (3.0 inches)73%extreme
March Weather27°C (81°F)34 mm (1.3 inches)71%extreme
April Weather28°C (83°F)50 mm (2.0 inches)73%extreme
May Weather29°C (84°F)177 mm (7.0 inches)77%extreme
June Weather29°C (84°F)343 mm (13.5 inches)85%extreme
July Weather28°C (83°F)594 mm (23.4 inches)86%extreme
August Weather28°C (82°F)675 mm (26.6 inches)87%extreme
September Weather28°C (82°F)340 mm (13.4 inches)87%extreme
October Weather28°C (83°F)233 mm (9.2 inches)86%extreme
November Weather28°C (82°F)149 mm (5.9 inches)89%extreme
December Weather27°C (81°F)105 mm (4.1 inches)85%very high

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