January Weather in San Fernando, Philippines

Last updated: August 27, 2025

In January, San Fernando, Philippines experiences a warm tropical climate characterized by an average temperature of 26°C (79°F), with daily highs reaching up to 29°C (85°F) and nighttime lows around 22°C (71°F). This month also brings a fair amount of rain, with 64 mm (2.5 in) of precipitation spread across approximately 11 days, contributing to a relative humidity level of 77%. Visitors can expect a blend of sunny days and refreshing showers, perfect for experiencing the vibrant landscapes of this charming coastal city.

January Temperature in San Fernando

In January, San Fernando, Philippines, experiences a pleasant start to the year with temperatures ranging from a mild 22°C (71°F) to a comfortable 29°C (85°F). The average temperature sits at a delightful 26°C (79°F), making it an ideal time for outdoor activities. As the month progresses into February, the temperatures remain steady, with no significant changes, highlighting a consistent climate that beckons locals and tourists alike. However, as we transition into March, a subtle warming trend begins, with minimums rising to 23°C (74°F) and maximums peaking at 31°C (89°F). This gradual increase continues through April and May, where the mercury climbs even higher, indicating the approach of the hotter summer months. Each month builds on the last, showcasing a clear trajectory of warming as the region shifts from the cooler, pleasantly mild January days towards the sweltering summer heat of the late season.

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

The chart illustrates January 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, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec797981828484828282828280
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.

January Precipitation in San Fernando

In January, San Fernando experiences a moderate amount of rainfall, totaling 64 mm (2.5 in) over approximately 11 days. This marks the beginning of a gradual ascent in precipitation as the year unfolds, with February seeing a slight decrease to 49 mm (1.9 in). As the region transitions into the hotter months, rainfall tends to dwindle, reaching a low of 22 mm (0.8 in) in March before picking up significantly in May, when the rainy season kicks off with 161 mm (6.3 in) across 15 days. The wettest months follow, peaking in July and August with 584 mm (23.0 in) and 682 mm (26.9 in) respectively, showcasing San Fernando's distinct wet season pattern. This trend highlights the variability of precipitation throughout the year, with January's moderate rainfall setting the stage for a transition into a far wetter climate as the region approaches the middle of the year.

January Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In San Fernando, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec64492231161301584682359273127102
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in San Fernando

In January, San Fernando experiences a humidity level of 77%, setting a humid tone for the year ahead. This early-month measurement hints at the city's overall tropical climate, which sees a slight but steady decrease in humidity in February to 73% and March to 71%. However, as the year progresses towards the summer months, humidity begins to rise again, peaking in the rainy season from June to September, where it consistently hovers between 85% and 87%. Notably, November marks the highest humidity level at 89%, likely influenced by increased rainfall. Overall, the trend indicates that while January may start the year with moderate humidity, it quickly transitions into a pattern of increasing moisture as the Philippines embraces its lush, rainy season.

January Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in San Fernando is approximately {2}%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in San Fernando

In January, San Fernando, Philippines, experiences a striking UV Index of 11, categorized as extreme, meaning a mere 10 minutes of sun exposure can lead to skin burns. This trend of elevated UV levels continues into February, peaking at 14 in March and April, highlighting the region's consistent risk for sun damage. Despite minor fluctuations, such as the UV Index dropping to 11 in November, the extreme category is maintained throughout the bulk of the year, with August even soaring to 15. It's clear that residents and visitors alike should take serious precautions against sun exposure year-round. To stay updated on the UV levels, you can check the detailed report at San Fernando UV Index.

Maximum UV Index Levels in San Fernando for January

The chart shows the monthly maximum UV Index (UVI) for San Fernando in January, 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 January, the maximum UV index in San Fernando typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141314141514131110
Data source: San Fernando January 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.

January Sunshine in San Fernando

In January, San Fernando, Philippines, welcomes the new year with an inviting 239 hours of sunshine, setting the stage for a radiant start. As the month transitions into February, the sun shines even brighter, offering 275 hours, which hints at the increasing warmth of the approaching summer months. March takes the lead, boasting 314 hours, making it the sunniest month of the year and perfect for outdoor adventures. This trend of abundant sunshine continues into April and May, both recording 310 hours, maintaining the sunny charm that draws visitors and locals alike. However, as the rainy season looms, June sees a slight dip to 278 hours, while July and August bring further reductions to 251 and 236 hours, respectively. Fortunately, September revives the sun-kissed atmosphere with 253 hours, and the year wraps up with a comfortable 270 hours in October, 267 in November, and a pleasant 282 in December. Overall, January serves as the gentle reminder of the sun's warm embrace that defines San Fernando's climate throughout the year.

Monthly Sunshine Duration in San Fernando: January Highlighted

The January sunshine duration represents the total number of hours San Fernando experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec239h275h314h310h310h278h251h236h253h270h267h282h
Data source: San Fernando January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Fernando During January

In January, the likelihood of enjoying sunny weather in San Fernando, Philippines, stands at 34%, marking a subtle transition from the cooler, cloudier months of late December and early January. This percentage reflects a trend of gradually increasing sunshine that becomes more pronounced in February, which boasts a 48% chance of sunny days. As the months progress into the dry season, sunny weather peaks around June when the chance plunges, illustrating how seasonal shifts impact local climate patterns. By April and May, residents can expect a 56% and 60% chance of sunny weather, making them ideal months for outdoor activities. However, the marked downturn during the wet season, particularly from June to September, underscores the importance of planning ahead for sunny escapes while embracing the intermittent sunbreaks that January has to offer.

Percentage of Sunny Days in January in San Fernando

The chart illustrates the percentage of sunny days in San Fernando throughout the year, with January 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.
JanFebMarAprMayJunJulAugSepOctNovDec34%48%59%56%60%16%12%9%27%32%54%45%
Data source: San Fernando January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Fernando in January

In San Fernando, Philippines, January greets its residents with 11 hours of daylight, a continuation of the trend from December. As the months progress into February, the daylight remains consistent at 11 hours. However, a shift occurs in March, where daylight stretches to 12 hours, marking the start of longer days that continue through April and May. This sun-filled period peaks in June with an impressive 13 hours of daylight, offering plenty of time for outdoor activities. Following this, July sees a slight decrease back to 12 hours, which continues through August and September, maintaining a comfortable balance. As the year transitions into October, the daylight dips again to 11 hours, a rhythm mirrored in November and December, as San Fernando returns to the shorter days of winter. Overall, the daylight duration in San Fernando reflects a predictable yet captivating ebb and flow, enhancing the vibrant lifestyle of its community throughout the year.

Average Daylight Hours in San Fernando for January

The chart illustrates the variation in daylight duration in San Fernando throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 14m11h 35m12h 2m12h 30m12h 53m13h 5m12h 59m12h 38m12h 12m11h 44m11h 20m11h 8m
Data source: San Fernando daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in San Fernando

In January, San Fernando, Philippines, experiences a gentle average wind speed of 2.4 m/s (5 mph), setting a serene tone for the month. This consistent breeze lingers through February, maintaining the same velocity, before gradually tapering off to 2.2 m/s (5 mph) in March. As the heat of April approaches, winds pick up slightly, reaching 3.0 m/s (7 mph), signaling a shift in seasonal dynamics. The following months exhibit some variability; July stands out with the highest gusts at 3.3 m/s (7 mph), while September marks a dip back to a calmer 2.1 m/s (5 mph). Overall, the wind patterns exhibit a gentle ebb and flow, perfectly complementing the tropical ambiance of the region throughout the first half of the year.

Average January Wind Speed in San Fernando

The chart displays monthly wind speed patterns in San Fernando, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.4 m/s2.42.23.02.42.83.32.72.12.92.02.3
Data source: San Fernando January wind data, generated using information from the Copernicus Climate Change Service.

How January 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 January’s weather to other months in San Fernando, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of January and February, we find that both months share similar temperature ranges, with minimum temperatures around 22°C and maximums peaking at 29°C. The average temperature remains steady at 26°C for both months. However, February experiences slightly less precipitation at 49 mm over 8 days, compared to January's 64 mm over 11 days. Additionally, February's humidity is lower at 73%, compared to January's 77%. For more details on February weather, check out San Fernando weather in February.

In January, the weather typically sees a minimum temperature of 22°C (71°F) and averages around 26°C (79°F), reaching a maximum of 29°C (85°F). This month experiences relatively high humidity at 77% and notable precipitation, with 64 mm (2.5 in) falling over 11 days. In contrast, March introduces slightly warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to an average of 27°C (81°F) and a maximum of 31°C (89°F). The humidity decreases to 71%, and rain levels drop significantly to just 22 mm (0.8 in) over 6 days. For more details about the weather in March, you can visit San Fernando weather in March.

In January, the weather tends to be warm with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 29°C (85°F). The month experiences higher precipitation, totaling 64 mm (2.5 in) over 11 days, contributing to a humidity level of 77%. In contrast, April showcases slightly higher temperatures, with averages ranging from 24°C (75°F) to 32°C (91°F). Precipitation decreases to 31 mm (1.2 in) over 8 days, leading to a lower humidity level of 73%. For more detailed insights, check out San Fernando weather in April.

In January, temperatures in San Fernando typically range from a minimum of 22°C (71°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). The weather is characterized by moderate rainfall, totaling 64 mm (2.5 in) over about 11 days, while the humidity is consistently high at 77%. In contrast, May sees warmer conditions, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 33°C (91°F), and an average temperature of 29°C (84°F). Rainfall increases significantly in May, amounting to 161 mm (6.3 in) spread across approximately 15 days, maintaining the same humidity level of 77%. For more detailed insights, you can check San Fernando weather in May.

In January, the weather is warm and relatively dry, with temperatures ranging from a comfortable minimum of 22°C (71°F) to a maximum of 29°C (85°F). This month experiences an average precipitation of 64 mm (2.5 in) spread over about 11 days, and humidity levels are around 77%, making it feel quite pleasant for outdoor activities. In contrast, June brings even hotter conditions, with temperatures ranging from 26°C (78°F) to a sweltering maximum of 33°C (91°F). However, this month is much wetter, featuring significant rainfall of 301 mm (11.9 in) over 26 days, along with increased humidity at 85%. The stark difference in precipitation and humidity makes June notably less comfortable, especially for outdoor plans. For more details, you can visit San Fernando weather in June.

In January, the weather is generally warm with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 29°C (85°F) and an average of 26°C (79°F). The month experiences moderate precipitation of 64 mm (2.5 in) over 11 days, with humidity averaging around 77%. In contrast, July tends to be hotter and more humid, with temperatures fluctuating between 25°C (78°F) and 32°C (90°F), resulting in an average temperature of 28°C (83°F). This month sees significantly higher rainfall, totaling 584 mm (23.0 in) spread over 29 days, and humidity levels rise to 86%. For more details, check out San Fernando weather in July.

In January, San Fernando experiences warm temperatures with an average of 26°C (79°F) and relatively lower humidity at 77%. The month sees about 64 mm (2.5 in) of precipitation, spread across approximately 11 days. In contrast, August is significantly warmer with an average temperature of 28°C (82°F) and higher humidity at 87%. This month faces considerably more rainfall, totaling around 682 mm (26.9 in), occurring over 29 days, making it the wettest month of the year. For more details on the weather specifics, you can visit San Fernando weather in August.

In January, temperatures in San Fernando range from a mild 22°C (71°F) at night to a comfortable 29°C (85°F) during the day, with average humidity at 77%. The month experiences moderate precipitation, totaling 64 mm (2.5 in) over approximately 11 days. In contrast, September is generally warmer, with temperatures starting at a minimum of 25°C (77°F) and peaking at 32°C (90°F), while the average humidity rises to 87%. However, September is significantly wetter, receiving 359 mm (14.1 in) of rain across 26 days. For more detailed insights on September's weather specifics, visit San Fernando weather in September.

In January, the weather is typically warm with minimum temperatures around 22°C (71°F) and average highs reaching 29°C (85°F). The month sees an average of 64 mm (2.5 in) of precipitation over approximately 11 days, accompanied by a humidity level of 77%. In contrast, October experiences even warmer conditions, with minimum temperatures of 24°C (76°F) and average highs peaking at 32°C (89°F). However, this month is significantly wetter, receiving 273 mm (10.8 in) of rain over 23 days, and the humidity increases to 86%. For a closer look at October's climate specifics, check out San Fernando weather in October.

When comparing the weather in January and November, we find notable differences in both temperature and precipitation. January experiences milder temperatures, with an average of 26°C (79°F), while November is warmer, averaging 28°C (82°F), with maximum temperatures reaching up to 31°C (88°F). Additionally, November has significantly higher rainfall, receiving about 127 mm (5.0 in) spread over 18 days, compared to January's 64 mm (2.5 in) over just 11 days. The humidity levels also rise in November, reaching 89%, compared to 77% in January. For a more detailed look at November weather, you can visit San Fernando weather in November.

In comparing the weather between January and December, January tends to be slightly cooler, with average temperatures ranging from 22°C (71°F) to a maximum of 29°C (85°F), while December features higher temperatures, with a minimum of 24°C (76°F) and a maximum of 30°C (86°F). Additionally, December sees more precipitation, accumulating 102 mm (4.0 in) over 17 days, compared to January's 64 mm (2.5 in) over 11 days. Humidity levels are also higher in December at 85%, compared to 77% in January. For further details, you can check the San Fernando weather in December.

Compare San Fernando's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in San Fernando

In January, San Fernando experiences a delightful blend of warmth and humidity, setting it apart from the typically hotter months ahead. With average temperatures hovering around a comfortable 26°C (79°F), the weather is perfect for outdoor activities. However, it's also the beginning of the rainier season, as evidenced by the 11 days of precipitation throughout the month, bringing lush greenery to the landscape. The elevated humidity at 77% can make it feel more muggy than in the drier months, yet this added moisture contributes to the region's vibrant atmosphere. For more insights on how January weather plays a role in the overall climate patterns, check out San Fernando Climate.