January Weather in San Fernando, Philippines

Last updated: August 27, 2025

January in San Fernando, Philippines is characterized by a warm and humid climate, with maximum temperatures reaching up to 31°C (88°F) and an average of 26°C (79°F). Evening lows drop to a comfortable 22°C (73°F), making the nights pleasant. However, this month also brings significant rainfall, with a total precipitation of 300 mm (11.8 in) over 23 rainy days, leading to a high humidity level of 85%. These conditions create a lush atmosphere, perfect for enjoying the vibrant natural beauty of the region, though visitors should be prepared for frequent showers.

January Temperature in San Fernando

In January, San Fernando, Philippines, welcomes the year with pleasant temperatures, featuring a minimum of 22°C (73°F), an average of 26°C (79°F), and a maximum of 31°C (88°F). This month offers a delightful blend of warmth and comfort, setting the tone for a generally mild dry season. Interestingly, as the months progress toward April and May, the temperatures gradually rise, often peaking at 33°C (92°F) in peak summer. Throughout the year, there’s a consistent trend of mild nights with lows remaining steady around 22-25°C (72-76°F), while daytime highs remain consistently warm—hovering between 30°C to 33°C (87°F to 92°F). Even as the months transition into the more humid and rainy periods, San Fernando's charm lies in its warm climate, perfect for outdoor adventures year-round.

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).
JanFebMarAprMayJunJulAugSepOctNovDec797980828382818181818180
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

January in San Fernando, Philippines, is characterized by significant rainfall, with an average precipitation of 300 mm (11.8 in) over approximately 23 days. This month sets the tone for the wet season, as it typically experiences higher precipitation than the following months like February and March, which see a decline to 216 mm (8.5 in) and 164 mm (6.4 in), respectively. Interestingly, while January is wetter than many subsequent months, it is sandwiched between a trend of increasing rainfall starting in June, which peaks in July at 378 mm (14.9 in), suggesting a pattern of intensifying precipitation as the year progresses. This pattern underscores the monsoon influence in the region, with January acting as a pivotal marker in the shift from the relatively drier early months to the more intense wet season that unfolds later in 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.
JanFebMarAprMayJunJulAugSepOctNovDec300216164109244356378321361353283392
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, Philippines experiences a notably high average humidity of 85%, setting the stage for a year characterized by substantial moisture. As the months progress, there is a gradual decline, with February and March experiencing slightly lower humidity levels at 80% and 77%, respectively. However, this brief respite is short-lived, as humidity begins to climb again in April and reaches a peak in the latter half of the year, soaring to 91% by December. Notably, the summer months bring the highest levels, with July through September exceeding 88%. This trend highlights the region's tropical climate, where the early months present a lush and humid atmosphere, which intensifies as the year unfolds, culminating in an almost oppressive moisture level by year’s end.

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.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%77%78%85%87%88%89%90%87%90%91%
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 experiences an extremely high UV Index of 12, indicating that just 10 minutes of sun exposure can lead to skin damage. This trend of extreme UV levels continues into February and March, where the index peaks at 14 and 16, respectively, emphasizing the need for effective sun protection. While the intensity slightly fluctuates in the following months, maintaining values between 12 and 16 means the risk remains significant throughout the first half of the year. As you plan outdoor activities, be sure to take precautions against harmful rays. For more detailed information, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec121416161314141415131211
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 basks in a comfortable 227 hours of sunshine, setting the stage for a bright start to the year. As the months progress, the sun’s embrace becomes even more generous, with February witnessing an increase to 271 hours. By March and April, residents enjoy a splendid 311 hours of sunlight, perfect for outdoor adventures. May peaks with 317 hours, marking it as the sunniest month of the year. However, as summer gives way to the rainy season, sunshine hours begin to gradually decline in June (285 hours) and July (279 hours), stabilizing around 280 hours in August and September. Despite this dip, October to December still offers a respectable 270 to 278 hours of sunshine, ensuring that San Fernando remains a radiant destination year-round, perfect for sun lovers and adventurers alike.

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.
JanFebMarAprMayJunJulAugSepOctNovDec227h271h311h311h317h285h279h280h265h270h268h278h
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 chances of enjoying sunny weather in San Fernando, Philippines, stand at a modest 12%. This percentage reflects a generally overcast start to the year, with February seeing a slight uptick to 19%, hinting at a gradual transition towards sunnier days. As the months progress into March and April, the likelihood of sunshine increases significantly, reaching peaks of 33% and 29%, respectively. However, this trend begins to decline again in May and June, where chances revert to 22% and 13%. The rainy season tends to dominate during the latter half of the year, with sunlight probabilities dropping to their lowest in September and October, both at just 8%. Overall, January's cloudier disposition serves as a stepping stone into a sunnier season, ultimately leading to brighter skies as the year unfolds.

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.
JanFebMarAprMayJunJulAugSepOctNovDec12%19%33%29%22%14%10%11%9%8%19%15%
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, the daylight duration starts the year at 11 hours in January, providing a balanced amount of sunlight during the cooler months. This steady daylight continues through February, before gradually increasing to 12 hours by March and persisting at that length from April to September. These longer days coincide with the warmest months, creating an inviting atmosphere for outdoor activities and exploration. As the year progresses into October, daylight returns to 11 hours, followed by November and December, where it remains consistent, signaling the return of shorter days as the holiday season approaches. This predictable rhythm of daylight not only enhances the natural beauty of the region but also emphasizes the allure of its climate year-round.

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 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.

January Winds in San Fernando

In January, the winds in San Fernando, Philippines make their presence known, boasting an average speed of 4.7 m/s (11 mph), a noteworthy contrast to the calmer breezes that follow in February and March. As the months progress towards the sweltering heat of summer, winds taper off, reaching their lowest point in May and June, where the averages fall to just 2.9 m/s (6 mph) and 2.4 m/s (5 mph), respectively. However, rejuvenation comes in July, when winds pick up again to 4.5 m/s (10 mph), hinting at a seasonal cycle where the breezy January gusts eventually lead back to lively winds later in the year. By December, the winds regain their momentum, peaking at 5.3 m/s (12 mph), ushering in a festive finale of the year, showcasing the dynamic nature of San Fernando's wind patterns throughout the seasons.

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.
JanFebMarAprMayJunJulAugSepOctNovDec4.7 m/s4.24.04.02.92.44.52.62.63.43.55.3
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.

January and February share similar weather patterns, with both months experiencing warm temperatures. In January, the minimum temperature hovers around 22°C (73°F), while the maximum reaches 31°C (88°F), accompanied by an average temperature of 26°C (79°F). However, January is characterized by higher precipitation, totaling 300 mm (11.8 in) over 23 days, along with elevated humidity levels at 85%. In contrast, February sees slightly lower maximum temperatures at 30°C (87°F) and reduced rainfall of 216 mm (8.5 in) over 21 days, leading to a drop in humidity to 80%. For more detailed information on February weather, you can visit San Fernando weather in February.

In January, the weather is characterized by relatively high humidity at 85% and substantial precipitation, receiving around 300 mm (11.8 in) over 23 days, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F). In contrast, March experiences slightly warmer average temperatures, with the minimum remaining the same at 22°C (73°F) and a maximum of 32°C (89°F), but it is notably drier, with only 164 mm (6.4 in) of rain falling over 19 days and lower humidity at 77%. For more details on March weather conditions, you can visit San Fernando weather in March.

In January, the weather tends to be warm and humid, with average temperatures around 26°C (79°F) and maximums reaching up to 31°C (88°F). The month is notably wet, receiving about 300 mm (11.8 in) of precipitation over 23 days, contributing to a high humidity level of 85%. In contrast, April sees a slight increase in temperature, with averages rising to 28°C (82°F) and maximums hitting 33°C (92°F). The rainfall significantly decreases to 109 mm (4.3 in) over 18 days, and humidity levels drop to 78%, making the weather feel a bit drier and more comfortable. For more detailed insights into the weather patterns, you can check San Fernando weather in April.

In January, the weather tends to be warm and humid, with average temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F). This month sees significant rainfall, with 300 mm (11.8 in) of precipitation over 23 days and humidity levels peaking at 85%.

In contrast, May experiences slightly warmer temperatures, with average lows of 25°C (76°F) and highs reaching up to 33°C (92°F). Although it has less precipitation overall at 244 mm (9.6 in), it still sees rain on 30 days, resulting in a humidity level of 84%.

For a detailed look at what to expect during this month, check out San Fernando weather in May.

In January, the weather is warm with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), accompanied by significant precipitation of 300 mm (11.8 in) over 23 days and high humidity at 85%. In contrast, June experiences slightly warmer temperatures, with a minimum of 25°C (76°F) and a maximum of 32°C (90°F), along with increased rainfall totaling 356 mm (14.0 in) over 28 days and a humidity level of 87%. This comparison highlights the mild temperature rise and increased rainfall from January to June, making June notably wetter than January. For more detailed information, refer to San Fernando weather in June.

January and July exhibit comparable warmth but differ in several key aspects. In January, temperatures range from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), with an average of 26°C (79°F) and 300 mm (11.8 in) of precipitation occurring over 23 days. In contrast, July experiences slightly higher temperatures, with a minimum of 24°C (76°F) and a maximum of 32°C (89°F), averaging 27°C (81°F). However, July also sees increased precipitation, totaling 378 mm (14.9 in) over 30 days, along with a higher humidity level of 88%. For a detailed overview of July weather specifics, visit San Fernando weather in July.

In comparison to January, August features slightly warmer temperatures, with minimums reaching 24°C (76°F) compared to January's 22°C (73°F), and an average temperature of 27°C (81°F). While both months experience a maximum temperature of 31°C (89°F), August sees more rainfall, accumulating 320 mm (12.6 in) over 29 days, in contrast to January's 300 mm (11.8 in) across 23 days. Additionally, humidity levels rise in August, reaching 89% compared to January's 85%, making August feel a bit more oppressive. For more detailed information, you can check San Fernando weather in August.

In comparing the weather between January and September, both months exhibit warm temperatures, but September tends to be slightly hotter. January's temperatures range from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), while September sees minimums of 24°C (75°F) and maximums of 32°C (89°F). Additionally, September experiences higher precipitation, with 361 mm (14.2 in) over 28 days compared to January’s 300 mm (11.8 in) over 23 days, and a bit more humidity at 90% compared to January's 85%. For more detailed weather information, check out San Fernando weather in September.

In January, temperatures range from a minimum of 22°C (73°F) to a maximum of 31°C (88°F), with an average of 26°C (79°F). The month sees significant rainfall, with approximately 300 mm (11.8 in) spread over 23 days, and humidity levels at 85%. In contrast, October offers slightly warmer conditions, with minimum temperatures of 24°C (75°F) and maximums reaching 31°C (89°F), while the average settles at 27°C (81°F). However, it experiences even more precipitation, totaling about 353 mm (13.9 in) over 30 days, accompanied by a humidity rise to 87%. For more details on October weather, check out San Fernando weather in October.

January and November weather in San Fernando presents some similarities and differences. Both months experience warm temperatures, with January having a minimum of 22°C (73°F) and an average of 26°C (79°F), while November features slightly warmer temperatures with a minimum of 24°C (75°F) and an average of 27°C (81°F). Maximum temperatures remain consistent in both months at 31°C (88°F). In terms of precipitation, January sees a total of 300 mm (11.8 in) over 23 days, slightly higher than November's 283 mm (11.1 in) spread over 29 days. Humidity levels are also higher in November at 90%, compared to 85% in January. For a deeper look into the weather conditions during November, you can check out San Fernando weather in November.

In comparing the weather between January and December, both months exhibit warm temperatures with averages around 26°C (79°F) to 27°C (80°F) and maximums consistently reaching 31°C (88°F). However, January experiences slightly lower minimum temperatures, averaging 22°C (73°F) compared to December's 23°C (74°F). Precipitation is also notably higher in December, with 392 mm (15.4 in) over 29 days, while January sees 300 mm (11.8 in) spread across 23 days, leading to a more humid environment in December with 91% relative humidity versus January's 85%. For further details, visit San Fernando weather in December.

Compare San Fernando's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in San Fernando

January in San Fernando marks a transition to milder temperatures relative to the sweltering heat of the summer months. With an average temperature of 26°C (79°F), the weather feels comfortably warm, yet distinctively fresher compared to the hotter peaks of the year's latter months. While rain plays a significant role this time of year—averaging 300 mm over about 23 days—it also enhances the lush landscape that characterizes the region. With humidity levels at a high 85%, those venturing outdoors should be prepared for a slightly sticky atmosphere. This unique blend of warmth and moisture makes January a more pleasant month for exploring the natural beauty of the area. For a comprehensive overview of the weather patterns throughout the year, visit San Fernando Climate.