December Weather in San Fernando, Philippines

Last updated: August 27, 2025

In December, San Fernando, Philippines, experiences a tropical climate characterized by a maximum temperature of 31°C (88°F) and an average of 27°C (80°F), while nighttime temperatures drop to a comfortable minimum of 23°C (74°F). This month is marked by significant rainfall, with 392 mm (15.4 in) of precipitation spread across 29 days, leading to high humidity levels of 91%. Despite the frequent showers, the warm temperatures create a lush and vibrant atmosphere, making it a unique time to experience the beauty and culture of San Fernando.

December Temperature in San Fernando

In December, the temperatures in San Fernando, Philippines, exhibit a pleasant transition as the year draws to a close. Minimum temperatures settle at around 23°C (74°F), offering a slight coolness compared to the 24°C (75°F) in the previous months. The average temperature remains steady at 27°C (80°F), consistent with the autumn months, while the maximum temperature peaks at 31°C (88°F), matching the warmth experienced in November. This stable climate, characterized by sunny days and gentle nights, makes December an inviting time for visitors and locals alike to enjoy the festive season amid a comfortably warm atmosphere.

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).
JanFebMarAprMayJunJulAugSepOctNovDec797980828382818181818180
Data source: Temperature data for San Fernando 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 San Fernando

December marks the culmination of San Fernando's wet season, with an impressive 392 mm (15.4 in) of precipitation falling over 29 days. This significant rainfall not only continues the trend of increased moisture leading into the new year but also positions December among the wetter months, surpassed only by June and July. Interestingly, the volume of rain increases from November’s 283 mm (11.1 in), highlighting a pattern of intensified precipitation as the year draws to a close. The consistent number of rainy days in December mirrors the wetter climate experienced throughout the latter half of the year, making it a crucial month for replenishing local water resources before the drier months set in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec300216164109244356378321361353283392
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in San Fernando

December marks a noticeable peak in humidity levels in San Fernando, Philippines, as the month registers an average of 91%. This increase reflects a consistent upward trend through the latter part of the year, where humidity has escalated from 80% in February to a humid 90% in November. As the region transitions into the cooler months, the heavy moisture in the air becomes more palpable, with December's levels reaching their highest point. This soaring humidity is characteristic of the tropical climate, setting the stage for a unique combination of warmth and moisture as the year draws to a close.

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.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%77%78%85%87%88%89%90%87%90%91%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in San Fernando

As December rolls into San Fernando, Philippines, the UV Index slightly dips to 11, maintaining its classification in the extreme exposure category with a burn time of just 10 minutes. This trend of high UV Index values prevails throughout the year, starting from an intense 12 in January, peaking at 16 in both March and April, before gradually declining in the latter months. Despite this slight reduction in December, residents and visitors should continue to exercise caution and protect their skin, as consistent high UV levels underline essential sun safety practices all year round. For more detailed insights, check out the 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.
JanFebMarAprMayJunJulAugSepOctNovDec121416161314141415131211
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

In December, San Fernando, Philippines, basks in a remarkable 278 hours of sunshine, rounding off a delightful year of bright weather. As the year transitions from the intense heat of summer in May (with 317 hours) and the slightly cooler months ahead, December's sunlight remains plentiful, consistent with the city's trend of ample daylight hours throughout the year. Notably, the sunshine hours gradually decreased from the peak of summer, with March and April each enjoying 311 hours, but still outshine many other locations during this month. As the holiday season unfolds, locals and visitors alike can revel in this sunny backdrop, perfect for celebrations and outdoor activities, reinforcing San Fernando's appeal as a bright spot even in the year's closing month.

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.
JanFebMarAprMayJunJulAugSepOctNovDec227h271h311h311h317h285h279h280h265h270h268h278h
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 15% chance of sunny weather, which is a slight increase compared to the preceding months like August and September, both of which see only 8% sun. Interestingly, this uptick falls in line with the overall transition to the dry season, where the probability of clear skies begins to rise. However, compared to the sunnier months of March at 33% and April at 29%, December still remains relatively modest in its likelihood of sunshine. As the year winds down, residents and visitors alike can expect a mix of weather, with the festive atmosphere often overshadowing the occasional overcast day.

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.
JanFebMarAprMayJunJulAugSepOctNovDec12%19%33%29%22%14%10%11%9%8%19%15%
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 33m11h 46m12h 3m12h 21m12h 35m12h 43m12h 39m12h 26m12h 9m11h 52m11h 37m11h 30m
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 rolls into San Fernando, the coastal charm of the Philippines is invigorated by a noticeable increase in wind speed, averaging 5.3 m/s (12 mph)—the highest of the year. This brisk December breeze contrasts sharply with the lighter winds experienced in the peak of summer, where May and June offer their calmest moments at 2.9 m/s (6 mph) and 2.4 m/s (5 mph), respectively. Notably, the shift toward stronger winds begins in the latter half of the year, with a steady rise from November's 3.5 m/s (8 mph) to December's vibrant gusts. This seasonal transition not only enhances outdoor activities but also showcases the dynamic climate of the region, inviting locals and travelers alike to embrace the refreshing air as the year comes to a close.

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.
JanFebMarAprMayJunJulAugSepOctNovDec4.74.24.04.02.92.44.52.62.63.43.55.3 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.

In December, the weather is characterized by slightly warmer temperatures, with an average of 27°C (80°F) and maximums reaching up to 31°C (88°F). However, it also brings significant rainfall, totaling 392 mm (15.4 in) over 29 days, alongside high humidity levels of 91%. In contrast, January sees a slight decrease in temperature, with an average of 26°C (79°F) and a minimum of 22°C (73°F), while rainfall decreases to 300 mm (11.8 in) spread across 23 days. The humidity also drops to 85%, making January a little less oppressive compared to December. For more detailed insights on the weather during this month, you can check San Fernando weather in January.

December and February present distinct weather patterns despite their close proximity in the calendar year. In December, the temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (80°F). However, it is significantly wetter, with 392 mm (15.4 in) of precipitation over 29 days, leading to high humidity levels around 91%.

In contrast, February features slightly cooler temperatures, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 30°C (87°F). Precipitation is also notably lower at 216 mm (8.5 in), occurring over 21 days, and the humidity drops to 80%. This makes February generally drier and slightly more comfortable than December. For more details, you can check out San Fernando weather in February.

December and March present distinct weather characteristics despite their similar average temperatures. In December, the temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), accompanied by high humidity at 91%. The month is also notably wet, with a significant precipitation of 392 mm (15.4 in) over 29 days. In contrast, March experiences slightly warmer conditions with temperatures ranging from 22°C (73°F) to 32°C (89°F), but with much lower humidity at 77%. Additionally, March sees less rainfall, totaling 164 mm (6.4 in) over 19 days. For more detailed insights into typical conditions, you can check San Fernando weather in March.

December and April display notable differences in weather patterns. December experiences slightly cooler temperatures, with an average of 27°C (80°F), while April heats up to an average of 28°C (82°F) and can peak at a maximum of 33°C (92°F). In terms of precipitation, December is significantly wetter, receiving 392 mm (15.4 in) over 29 rainy days, compared to April's 109 mm (4.3 in) across 18 days. Additionally, December's high humidity of 91% contrasts with April's lower humidity level of 78%. For more detailed insights into April's climate, visit San Fernando weather in April.

In December, the weather is characterized by slightly cooler temperatures, with an average of 27°C (80°F) compared to May's warmer average of 28°C (83°F). December experiences more precipitation, totaling 392 mm (15.4 in) over 29 days, while May sees lower rainfall at 244 mm (9.6 in) across 30 days. Humidity levels are also higher in December at 91%, compared to May’s 84%, creating a more humid atmosphere as the year ends. For more details on the May weather in San Fernando, you can check out San Fernando weather in May.

When comparing the weather in December and June, December presents slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 27°C (80°F), while June is a bit warmer, starting at a minimum of 25°C (76°F) and averaging 28°C (82°F). Both months experience significant rainfall, with December receiving about 392 mm (15.4 in) over 29 days, compared to June's 356 mm (14.0 in) across 28 days. Humidity levels are relatively high in both months, with December experiencing 91% humidity and June at 87%. For more detailed weather conditions in June, you can refer to San Fernando weather in June.

December and July offer similar temperature ranges, with December's minimum temperature at 23°C (74°F) and July's at 24°C (76°F), both featuring average highs around 27°C (81°F). However, July tends to be slightly warmer, peaking at 32°C (89°F) compared to December's 31°C (88°F). Precipitation levels are comparable, with December receiving 392 mm (15.4 in) over 29 days, while July sees 378 mm (14.9 in) across 30 days. Humidity remains high in both months, with December at 91% and July at 88%. For a closer look at July's climate patterns, check San Fernando weather in July.

In December, temperatures are slightly milder, with a minimum of 23°C (74°F) and an average of 27°C (80°F), reaching a maximum of 31°C (88°F). The month is notably wetter, receiving 392 mm (15.4 in) of precipitation over 29 days, contributing to a high humidity level of 91%. In contrast, August presents a similar temperature range, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at 31°C (89°F). However, August experiences less rainfall, totaling 320 mm (12.6 in) across the same number of days, resulting in slightly lower humidity at 89%. For more details, you can check San Fernando weather in August.

In comparing the weather between December and September, both months experience warm temperatures, with averages hovering around 27°C (81°F). December tends to be slightly cooler at a maximum of 31°C (88°F) compared to September's 32°C (89°F). However, December sees more rainfall, with 392 mm (15.4 in) over 29 days, compared to September's 361 mm (14.2 in) across 28 days. Humidity is also high in both months, with December at 91% and September at 90%, making the atmosphere feel quite humid and tropical. For more details, check out San Fernando weather in September.

In comparing the weather between December and October, we see some notable similarities and differences. Both months share an average temperature of around 27°C (80°F), with October slightly warmer with a maximum of 31°C (89°F) compared to December's 31°C (88°F). However, December experiences more substantial rainfall, with a total of 392 mm (15.4 in) over 29 days, compared to October's 353 mm (13.9 in) over 30 days. Additionally, December has higher humidity at 91%, compared to October's 87%. For a more detailed look at October weather, you can visit San Fernando weather in October.

In comparing the weather between November and December, we see that both months share similar temperature ranges, with December exhibiting slightly cooler minimum temperatures at 23°C (74°F) compared to November’s 24°C (75°F). The average and maximum temperatures remain consistent at 27°C (81°F) and 31°C (88°F), respectively, for both months. However, December experiences significantly greater precipitation, totaling 392 mm (15.4 in) over 29 days, compared to November's 283 mm (11.1 in) during the same number of days. Humidity also sees a marginal increase in December, peaking at 91%, while November maintains a slightly lower level at 90%. For a closer look at November's weather details, 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 sets in, San Fernando experiences a notable shift in weather patterns that distinguish it from other months. With the average temperature cooling to a comfortable 27°C, the warmth of previous months begins to give way to a more refreshing atmosphere. However, the high humidity levels of 91% combined with significant precipitation, totaling 29 rainy days this month, create a distinctly wet season vibe. While the scenery flourishes under the abundant rain, residents and visitors alike should prepare for a deluge, transforming daily activities amidst the lush greenery. To explore more about the weather patterns in this vibrant locale, visit San Fernando Climate.