December Weather in San Fernando, Philippines

Last updated: August 27, 2025

December in San Fernando, Philippines offers a warm tropical climate, with a maximum temperature reaching 33°C (91°F) and an average of 27°C (81°F), while the minimum dips to 22°C (71°F). This month is characterized by a notable precipitation total of 116 mm (4.6 in) spread across approximately 10 days, contributing to the region's lush greenery. With humidity levels soaring at 86%, the atmosphere remains distinctly tropical, making December both a vibrant and dynamic month for residents and visitors alike.

December Temperature in San Fernando

In December, San Fernando, Philippines experiences a delightful transition as temperatures begin to cool slightly, compared to the scorching heat of the earlier months. With minimums around 22°C (71°F) and maximums peaking at 33°C (91°F), the month offers a comfortable average temperature of 27°C (81°F). This marks a subtle dip from the warmer conditions felt in the preceding months, particularly noteworthy after the high averages seen in April and May. The generally stable climate throughout the year, characterized by minimal fluctuations, continues into December, making it a pleasant time for both locals and visitors to enjoy the tropical charm of the region.

December Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec797982858684828282828280
Data source: Temperature data for San Fernando generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in San Fernando

In December, San Fernando experiences a notable shift as the rainfall begins to taper off from the intense precipitation of the preceding months. With 116 mm (4.6 in) of rain falling over about 10 days, the city's weather signals a transition towards drier conditions, yet still captures the essence of the lingering wet season. This represents a slight reduction compared to November, which saw 117 mm over 13 days. The month continues the trend of high rainfall characteristic of the wet season in previous months, particularly with July and August recording substantial precipitation. As the year closes, residents can expect a mix of rain and clear spells, making December a month where the grip of the rainy season finally begins to loosen.

December Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 San Fernando, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec61261717120208354269307217117116
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Fernando

In San Fernando, Philippines, December brings a moderate humidity level of 86%, which is slightly lower than the peak months of August and September, where humidity hits a high of 89%. This month marks a gradual decline from the elevated levels experienced during the rainy season, yet still retains a palpable moisture in the air. As the year progresses, humidity levels frequently oscillate, beginning at 76% in January and peaking in the mid-year months of June through September. By December, the humidity begins to stabilize, offering a more comfortable climate as the dry season approaches. Overall, the trend highlights a consistently humid environment that characterizes San Fernando's tropical climate.

December Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 San Fernando is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%71%69%69%76%87%89%89%89%86%89%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Fernando

In December, the UV Index in San Fernando, Philippines drops to a very high level of 10, allowing for a slightly longer burn time of 15 minutes before the skin is at risk. This slight decrease marks the transition from extreme exposure experienced throughout the year, where values frequently soared between 11 and 15. From January to November, residents and visitors faced consistently extreme UV levels, with burn times capped at just 10 minutes. This trend highlights the necessity for continued sun protection even as December brings some relief. As you prepare for outdoor activities, keep in mind that the UV Index remains a crucial factor in enjoying the sun safely. For more details on UV levels throughout the year, visit San Fernando UV Index.

Maximum UV Index Levels in San Fernando for December

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 San Fernando typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314151314141414131110
Data source: San Fernando 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.

December Sunshine in San Fernando

December in San Fernando, Philippines, is a delightful extension of the region's sunny disposition, with an impressive 272 hours of sunshine. This month reflects a peak in daylight hours that is consistent with the year’s trend, showcasing a warm transition from the rainy season. Interestingly, the sunshine hours fluctuate with the seasons, peaking in the vibrant months of March and May, both hitting 310 hours. In contrast, the shorter days of July and August register the least sunshine, dropping to 256 and 248 hours, respectively. Overall, December’s generous sunshine makes it a wonderful month for festivities and outdoor activities, reinforcing the region’s reputation for a tropical climate that many look forward to during the holiday season.

Monthly Sunshine Duration in San Fernando: December Highlighted

The December sunshine duration represents the total number of hours San Fernando experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec229h272h310h306h310h287h256h248h252h262h266h272h
Data source: San Fernando December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Fernando During December

In December, San Fernando, Philippines experiences a 38% chance of sunny weather, which is slightly lower than the preceding month's 39%. This pattern suggests a gradual decrease in sunlight as the year winds down, transitioning from May's peak of 57% and hitting a low of just 10% during the rainy season months of July and August. As the dry season approaches in the early months of the new year, the likelihood of sunshine begins to rise again, with January bringing a modest 32% chance. Overall, while December may not be the sunniest month of the year, it provides a respectable opportunity for clear skies and sunshine amidst the shifting seasonal patterns in San Fernando.

Percentage of Sunny Days in December in San Fernando

The chart illustrates the percentage of sunny days in San Fernando throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often San Fernando experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%40%51%48%57%19%10%10%22%27%39%38%
Data source: San Fernando December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Fernando in December

As December arrives in San Fernando, the rhythm of daylight subtly shifts, echoing the seasonal changes. With 11 hours of daylight, the month mirrors the earlier winter months of January and February, creating a cozy ambiance as the year winds down. Transitioning from the longer days of March through September, where daylight stretches to 12 hours, December marks a return to shorter daylight hours before the cycle begins anew. This consistent pattern of daylight duration not only defines the region’s climate but also enhances the charm of the festive season, inviting residents and visitors alike to savor the beauty of each fleeting hour.

Average Daylight Hours in San Fernando for December

The chart illustrates the variation in daylight duration in San Fernando throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 19m11h 38m12h 2m12h 27m12h 48m12h 59m12h 54m12h 35m12h 11m11h 46m11h 25m11h 14m
Data source: San Fernando daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in San Fernando

As December ushers in the festive season in San Fernando, the wind picks up pace, boasting an average speed of 2.9 m/s (6 mph), making it one of the brisker months of the year. This slight increase from the previous month mirrors a trend of fluctuating wind speeds throughout the year, with a notable peak in December compared to the calmer summer months of April and June. As the winds shift, residents find themselves enjoying the refreshing breezes that gracefully sweep through the region, providing a delightful contrast to the warm tropical climate. With the wind curling around the vibrant festivities, December not only heralds the holiday season but also brings a welcome gustiness that invigorates the air in San Fernando.

Average December Wind Speed in San Fernando

The chart displays monthly wind speed patterns in San Fernando, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.52.42.02.31.82.62.11.72.02.02.9 m/s
Data source: San Fernando December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in San Fernando Compares to Other Months

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

December and January showcase distinct weather patterns in San Fernando. In December, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). This month is characterized by higher humidity at 86% and substantial rainfall of 116 mm (4.6 in) over approximately 10 days. In contrast, January experiences slightly cooler temperatures, with minimums around 20°C (68°F) and an overall average of 26°C (79°F). Precipitation significantly decreases to 61 mm (2.4 in) over just 5 days, and humidity levels also drop to 76%. For more details on January weather, you can refer to San Fernando weather in January.

In December, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). The month experiences higher humidity at 86% and notable precipitation, receiving 116 mm (4.6 in) over about 10 days. In contrast, February sees slightly cooler temperatures, with a minimum of 19°C (67°F) and an average of 26°C (79°F), reaching a maximum of 33°C (92°F). Additionally, February is much drier, with only 26 mm (1.0 in) of rain across about 3 days and a lower humidity level of 71%. For more detailed information, you can check San Fernando weather in February.

When comparing the weather in December and March, December tends to be slightly cooler with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (91°F) and an average of 27°C (81°F). It also experiences significantly more rain, with about 116 mm (4.6 in) of precipitation over 10 days and high humidity levels at 86%. In contrast, March features warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 35°C (96°F), averaging 28°C (83°F). The month is much drier, receiving only 17 mm (0.7 in) of rain over just 3 days, coupled with lower humidity at 68%. For more specific details on March weather, you can check San Fernando weather in March.

In December, the weather is characterized by warm temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). This month experiences significant rainfall, totaling 116 mm (4.6 inches) over approximately 10 days and high humidity levels at 86%, creating a muggy atmosphere. In contrast, April sees slightly higher average temperatures, with a minimum of 23°C (73°F) and a maximum reaching 37°C (99°F), while the average temperature is around 29°C (85°F). Importantly, April has much lower precipitation at only 17 mm (0.7 inches) over just 3 days, along with reduced humidity of 69%, leading to a drier and more comfortable climate. For a detailed look at the weather trends, visit San Fernando weather in April.

In December, the weather is characterized by slightly cooler temperatures, with a minimum of 22°C (71°F) and an average of 27°C (81°F), while the humidity remains quite high at 86%. The month experiences about 116 mm (4.6 in) of precipitation over approximately 10 days. In contrast, May brings warmer temperatures, with minimums of 25°C (77°F) and averaging 30°C (86°F), peaking at 37°C (99°F). Although May sees a similar level of precipitation at 120 mm (4.7 in), rain occurs over a longer stretch, with 16 days of rainfall, and lower humidity at 76%. For more details on the weather in May, you can refer to San Fernando weather in May.

In December, the weather is characterized by warmer temperatures, with a minimum of 22°C (71°F) and an average of 27°C (81°F), reaching a maximum of 33°C (91°F). Although it experiences considerable rainfall of 116 mm (4.6 in) over about 10 days, the humidity level stands at a high 86%. In contrast, June brings even hotter conditions, with minimum temperatures rising to 24°C (76°F) and an average temperature of 29°C (85°F), peaking at a scorching 37°C (99°F). The month sees significantly more rainfall, totaling 208 mm (8.2 in) over approximately 25 days, with humidity slightly increased to 87%. For a detailed account of the weather conditions during June, you can refer to San Fernando weather in June.

When comparing the weather in December and July, December tends to be slightly cooler, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (91°F), while July features higher temperatures, with a minimum of 24°C (75°F) and a maximum of 34°C (94°F). Both months experience high humidity, but July has more significant rainfall, totaling 354 mm (13.9 in) over 29 days compared to December's 116 mm (4.6 in) over just 10 days. This results in July being considerably wetter and more humid, making it feel more oppressive. For more details on July weather, you can check San Fernando weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a minimum of 22°C (71°F) to a maximum of 33°C (91°F), with an average of 27°C (81°F). The precipitation level is significantly lower, at 116 mm (4.6 in) over 10 days, with humidity at 86%. In contrast, August is slightly warmer, with minimum temperatures of 24°C (76°F) and peaks reaching 34°C (94°F), averaging around 28°C (83°F). However, it experiences much higher rainfall, totaling 268 mm (10.6 in) over 29 days, along with a humidity level of 89%. For more detailed information, you can check San Fernando weather in August.

When comparing the weather in December and September, December tends to be slightly cooler with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 33°C (91°F), while September is warmer, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 34°C (94°F). Precipitation is significantly higher in September, totaling 307 mm (12.1 in) over 27 days, compared to December's 116 mm (4.6 in) over just 10 days. Humidity levels are quite similar in both months, with December at 86% and September slightly higher at 89%. For a detailed view of September's weather patterns, you can visit San Fernando weather in September.

In comparing the weather between December and October, we see some notable differences. December experiences slightly cooler temperatures, with a minimum of 22°C (71°F) and an average of 27°C (81°F), while October has a minimum of 23°C (73°F) and an average of 28°C (82°F). October also tends to be wetter, receiving 217 mm (8.5 in) of precipitation over 19 days, compared to December’s 116 mm (4.6 in) over 10 days. Both months maintain a similar humidity level of 86%, creating a consistently humid environment. For more insights, you can check out San Fernando weather in October.

In comparing the weather between November and December, we see some notable similarities and a few differences. While both months experience high temperatures, December has a slightly lower minimum temperature averaging around 22°C (71°F), compared to November's 23°C (74°F). Both months peak at a maximum of 33°C (91°F) and have comparable average temperatures, with December averaging 27°C (81°F) and November at 28°C (82°F). Precipitation levels are similar, with December receiving 116 mm (4.6 in) over 10 days, while November sees 117 mm (4.6 in) across 13 days. Humidity is slightly lower in December at 86%, compared to November's 89%. For more detailed insights about the weather in November, you can visit San Fernando weather in November.

Compare San Fernando's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in San Fernando

As December settles over San Fernando, the city experiences a delightful shift in weather compared to other months. With temperatures hovering around 27°C (81°F) and a comfortable humidity level of 86%, it's a refreshing respite from the more sweltering summer days. This month also ushers in seasonal rains, contributing to a total of 116 mm (4.6 in) of precipitation over about 10 days, making landscapes lush and vibrant. The blend of warm days and cool evenings creates a pleasant atmosphere for outdoor activities, offering a perfect backdrop for holiday celebrations. For a deeper dive into what to expect throughout the year, visit San Fernando Climate.