Last updated: August 27, 2025
December in San Juan, Philippines, offers a delightful tropical experience marked by warm temperatures and a touch of humidity. With a maximum temperature reaching 31°C (88°F) and an average of 26°C (79°F), visitors can expect comfortable weather ideal for outdoor activities. The minimum temperature dips to a refreshing 21°C (70°F), perfect for evening strolls. While rainfall is minimal with an average of 27 mm (1.1 in) spread across just 5 days, the high humidity level of 85% adds to the overall tropical feel. This month beautifully balances warmth and occasional precipitation, making it a charming time to explore the coastal gems of San Juan.
In December, San Juan, Philippines experiences a gentle transition as temperatures begin to cool slightly from the preceding months. With minimums averaging around 21°C (70°F) and a refreshing average of 26°C (79°F), the month is characterized by comfortable, pleasant weather. The maximum temperatures hover around 31°C (88°F), keeping the tropical feel alive, while still offering a reprieve from the more intense heat of summer. This gradual dip marks a subtle shift in the climate, making December an ideal time for outdoor activities and enjoying the beautiful beaches, as the humidity remains manageable compared to the peak months of April and May. As the year winds down, San Juan invites visitors to bask in its balmy charm.
December in San Juan brings a gentle respite from the heavy downpours of the preceding months, with precipitation levels dropping to 27 mm (1.1 in) over an average of 5 days. This decrease signals the tail end of the wet season, a stark contrast to the peak rainfall of July and August, which can see over 600 mm in just a month. As the year concludes, the city's climate transitions to a drier pattern, allowing for clearer skies and more sunny days, making December an inviting time for outdoor activities. This shift illustrates a consistent trend of reduced rainfall as the region heads into the drier months ahead, encapsulating the seasonal rhythm of San Juan's tropical climate.
As the year draws to a close, December in San Juan, Philippines, experiences a notable dip in humidity, averaging around 85%. This month marks a slight decrease from the exceptionally high levels seen in November, which holds the record at 89%. The humidity gradually rises from the earlier months of the year, peaking during the summer with August and September both reaching 87%. This trend underscores the tropical climate's influence, where humidity levels are consistently high but begin to retract slightly in the last month of the year, providing a more comfortable atmosphere for residents and visitors alike. Overall, December offers a refreshing respite as the wet season transitions, keeping the air moist but less oppressive than in preceding months.
In December, San Juan experiences a UV Index of 9, categorized as very high, which offers a slight reprieve compared to the extreme levels seen throughout the peak months. With a recommended burn time of 15 minutes, it’s essential to stay mindful of sun exposure as the sun's intensity remains significant. The trend throughout the year shows a progressive increase in UV levels from January's 10 up to peaks of 14 during March to September. Despite the decrease in December, sun protection measures should still be a priority. For more detailed information on UV levels, check out San Juan UV Index.
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December in San Juan, Philippines, welcomes a generous embrace of sunlight with approximately 283 hours of brilliant sunshine. As the year draws to a close, the sunshine hours dip slightly from the peak of 320 hours in May, yet they remain exceptionally bright compared to the earlier months. This trend reflects a gradual decrease from the height of summer towards the cooler season, but December still shines brightly, ensuring a warm backdrop for festive celebrations. With sunshine consistently brightening the months, it's evident that San Juan offers a delightful climate where residents and visitors alike can bask in the sun's warm glow throughout the year.
In San Juan, Philippines, December brings a promising 58% chance of sunny weather, making it a delightful time to visit. As the year wraps up, the likelihood of sunshine shows a slight upward trend from November’s 63%, which can be attributed to the gradual shift away from the rainy season. This is a welcome change after the significantly lower odds of sunshine observed during the mid-year months of June through August, where the chances plunged to 14%-18%. As one of the drier months at the end of the year, December offers visitors a great opportunity to soak up the sun before the new year begins, continuing the positive pattern as the weather becomes increasingly favorable for outdoor adventures.
In December, San Juan, Philippines enjoys 11 hours of daylight, echoing the shorter days of both January and February. As the year unfolds, daylight creeps upward from 11 hours in the early months to a peak of 13 hours during the lush, vibrant months of June and July. Following this mid-year highlight, daylight gradually tapers off, returning to 11 hours by late autumn and winter. This rhythmic cycle not only enhances the natural beauty of the region but also offers a reliable pattern for outdoor enthusiasts, who can expect consistent daylight throughout the year.
As December arrives in San Juan, the winds pick up once again, with an average speed of 4.9 m/s (11 mph), a refreshing change from the gentler breezes of previous months. This increase in wind speed is a welcome transition, following a gradual uptick from the calmest periods earlier in the year, particularly in May, where winds dipped to 2.0 m/s (4 mph). The trend indicates a shift in December, bridging the lighter spring and summer months with a more invigorating atmosphere as the year draws to a close. The steady patterns show that just as the temperatures cool, so too does the wind begin to dance a little faster, making this month an ideal time for those seeking both adventure and solace along the stunning shoreline.
Weather in San Juan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather typically features a minimum temperature of 21°C (70°F), reaching an average of 26°C (79°F) and a maximum of 31°C (88°F). It experiences slightly higher humidity at 85% and a total precipitation of 27 mm (1.1 in) over five days. In contrast, January sees a marginally cooler minimum of 20°C (68°F) while maintaining the same averages and maximums. The precipitation increases slightly to 29 mm (1.1 in), but the number of rainy days decreases to three, and the humidity is lower at 77%. For more details, visit San Juan weather in January.
In December, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 26°C (79°F), reaching up to a maximum of 31°C (88°F). This month also sees a higher level of humidity at 85% and experiences about 27 mm (1.1 in) of precipitation over five days. In contrast, February offers slightly cooler temperatures, with a minimum of 19°C (66°F) and an average of 25°C (78°F), while still peaking at 31°C (88°F). Additionally, February has less precipitation, totaling 16 mm (0.6 in) over just two days, and a lower humidity level of 73%. For more details, you can check out San Juan weather in February.
In December, temperatures in San Juan range from a minimum of 21°C (70°F) to a maximum of 31°C (88°F), with an average of 26°C (79°F). The month experiences higher humidity at 85%, along with 27 mm (1.1 in) of precipitation spread over 5 days. In contrast, March sees slightly warmer temperatures, with an average of 27°C (81°F) and a maximum reaching 32°C (91°F). Precipitation decreases significantly to 11 mm (0.4 in) over just 2 days, and humidity drops to 71%. These changes indicate a transition to drier and warmer days as the year progresses. For more in-depth details, check out San Juan weather in March.
In December, the weather tends to be warm and humid, with minimum temperatures around 21°C (70°F) and averages of 26°C (79°F), peaking at 31°C (88°F). The month sees about 27 mm (1.1 in) of precipitation over roughly 5 days, and high humidity levels at 85%. In contrast, April brings slightly warmer temperatures, with a minimum of 22°C (71°F), an average of 28°C (82°F), and a maximum of 32°C (90°F). The precipitation increases marginally to 28 mm (1.1 in) over 6 days, but the humidity drops to a more comfortable 73%. For more details, check out San Juan weather in April.
In December, the weather is typically warm and relatively dry, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 31°C (88°F). Humidity is high at 85%, but precipitation is low at just 27 mm (1.1 in) over about 5 days. In contrast, May experiences even warmer conditions, with minimum temperatures reaching 24°C (76°F) and maximums peaking at 32°C (89°F). However, May is much wetter, receiving 157 mm (6.2 in) of rainfall over 23 days, and the humidity drops slightly to 77%. For more details on May's weather patterns, you can visit San Juan weather in May.
December and June showcase distinct weather patterns, with December featuring milder temperatures and significantly less rainfall compared to June. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 31°C (88°F), averaging around 26°C (79°F), accompanied by only 27 mm (1.1 in) of precipitation over about 5 days. In contrast, June presents warmer conditions, with temperatures ranging from 24°C (76°F) to 32°C (90°F) and an average of 28°C (82°F). This month is marked by substantial rainfall, accumulating 369 mm (14.5 in) over approximately 28 days, while humidity hovers around 85% for both months. For more details, check San Juan weather in June.
In December, the weather is typically warm and relatively dry, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 31°C (88°F). This month sees an average temperature of 26°C (79°F) and only 27 mm (1.1 in) of rainfall over about 5 days, while humidity remains high at 85%. In contrast, July experiences more humid and wetter conditions, with a minimum temperature of 24°C (75°F) and a maximum that matches December at 31°C (88°F). The average temperature is slightly higher at 27°C (81°F), but July brings a significant increase in precipitation, totaling 533 mm (21.0 in) over approximately 29 days. For more details on July weather patterns, visit San Juan weather in July.
In December, the weather is generally warm with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 31°C (88°F), averaging 26°C (79°F). This month sees relatively low precipitation of 27 mm (1.1 in) over just 5 rainy days, and humidity levels are around 85%. In contrast, August experiences slightly warmer temperatures with a minimum of 24°C (75°F) and an average of 27°C (80°F), reaching up to 31°C (87°F). However, August is significantly wetter, receiving 609 mm (24.0 in) of rain over 29 days, and humidity rises to 87%. For more details on August weather, visit San Juan weather in August.
In December, the weather is generally warmer and drier in comparison to September. The minimum temperature in December is around 21°C (70°F), averaging 26°C (79°F) with a maximum of 31°C (88°F), which is slightly cooler than September’s minimum of 23°C (74°F) and average of 27°C (81°F), peaking at 32°C (89°F). Additionally, December sees significantly less rainfall, with only 27 mm (1.1 in) occurring over an average of 5 days, compared to September's heavy precipitation of 343 mm (13.5 in) over 26 days. Humidity levels are also relatively high in both months, with December at 85% and September at 87%. For more detailed information, you can visit San Juan weather in September.
When comparing the weather in December to that of October, we find some notable differences. December tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 31°C (88°F), while October's temperatures are a bit warmer, with a minimum of 22°C (71°F) and a maximum of 32°C (89°F). Additionally, December experiences much lower precipitation, with only 27 mm (1.1 in) over about 5 days, contrasting sharply with October, which sees significant rainfall of 165 mm (6.5 in) over 14 days. Both months maintain high humidity levels, averaging around 85% in December and 86% in October. For more detailed insights on October weather, check out San Juan weather in October.
In comparing the weather of December and November, December experiences slightly cooler temperatures, with an average of 26°C (79°F) compared to November's 27°C (81°F). While both months have pleasant warm conditions, December has a lower maximum temperature of 31°C (88°F) versus November's peak of 32°C (90°F). Additionally, December sees significantly less precipitation at 27 mm (1.1 in) over 5 days, compared to November's 71 mm (2.8 in) over 8 days, contributing to a drier atmosphere. Humidity levels are also marginally lower in December at 85%, as opposed to 89% in November. For more details, visit San Juan weather in November.
As December unfolds in San Juan, the weather offers a delightful shift that contrasts with the hotter months. With maximum temperatures reaching a comfortable 31°C (88°F) and an average of 26°C (79°F), the warmth is balanced by an increase in humidity, which hovers around 85%. Though there are a few rainy days—averaging five with a total of 27 mm (1.1 in) of precipitation—the overall feel is pleasantly warm and inviting. This makes December an ideal time to explore the vibrant surroundings. For more insights on San Juan's diverse weather patterns, check out San Juan Climate.