Last updated: August 27, 2025
January in San Francisco, Panama, offers an inviting tropical climate characterized by warm temperatures and moderate humidity. With maximum highs reaching 33°C (91°F) and an average of 26°C (79°F), visitors can enjoy the balmy weather throughout the month. Although January sees occasional rainfall, accumulating to about 31 mm (1.2 in) over four days, the overall experience remains pleasant. The humidity level at 72% adds to the tropical feel, making it an ideal time for travelers seeking to enjoy both sun and refreshing showers in this vibrant city.
In January, Panama welcomes you with a warm and tropical climate, featuring a minimum temperature of 20°C (68°F) and soaring daytime highs that reach up to 33°C (91°F). This month typically offers an average temperature of 26°C (79°F), making it an inviting choice for sun-seekers. As the year progresses, temperatures gradually increase, peaking in April at a sizzling 36°C (96°F), before slowly tapering off by June. The overall trend reflects a consistently warm climate throughout the year, with January serving as a delightful prelude to the hotter months ahead, where evenings remain comfortably warm at around 20°C (68°F). This balanced warmth sets the stage for an enjoyable escape into Panama's vibrant culture and lush landscapes.
In January, San Francisco, Panama, experiences a relatively mild amount of precipitation, with 31 mm (1.2 in) of rain recorded over just four days. This marks a stark contrast to the months that follow, where rainfall escalates dramatically, particularly from April onwards. By May, the downpour intensifies, bringing a staggering 355 mm (14.0 in) over 27 days. The wettest months emerge in the heart of the year, with July and September seeing nearly unprecedented totals of 404 mm (15.9 in) and 459 mm (18.1 in), respectively. Throughout the rest of the year, the rain remains consistent, yet it’s the late spring and summer months that truly define the region's precipitation pattern, demonstrating a clear trend of increasing rainfall as the year progresses. This wet cycle not only shapes the landscape but also influences local life, as residents adapt to the rhythm of San Francisco’s rainy season.
In January, San Francisco experiences a comfortable average humidity of 72%, setting a pleasant tone for the year ahead. As winter transitions to spring, humidity slightly decreases, with February at 71% and March even lower at 69%. April brings a mild uptick to 70%, but the real humidity surge begins in June, when it skyrockets to an impressive 90%. The summer months maintain high humidity levels, with July at 88% and August and September both hovering around 87%. As the year winds down, humidity remains elevated, with October and November both at 86%, before dropping to 79% in December. This trend showcases a distinct pattern of rising humidity during the warmer months, making San Francisco's climate uniquely dynamic throughout the year.
In January, San Francisco, Panama, experiences a UV Index of 12, indicating an extreme exposure category with a rapid burn time of just 10 minutes. This intense UV radiation trend continues throughout the early months of the year, peaking in March and April with indices reaching 14 and 15, respectively. Even as the months progress to the end of the year, the UV Index remains notably high, fluctuating but consistently staying within the extreme range. Such persistent exposure signals the need for effective sun protection year-round. For more detailed data, visit San Francisco UV Index.
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In January, San Francisco basks in 254 hours of sunshine, setting the tone for a bright year ahead. As February rolls in, the days grow longer with 299 hours of sunlight, hinting at the promise of spring. The trend continues upwards in March, reaching 335 hours, the peak of early sunshine, inviting outdoor activities and exploration. Though a slight dip occurs in April with 300 hours, the sun soon retreats again in May with 229 hours, heralding the onset of summer fog. The sun struggles further in the subsequent months, with July and August recording just 210 and 207 hours respectively. However, as fall approaches, September and October see a pleasant resurgence with 217 and 224 hours of bright skies. Wrapping up the year, November surprises with 240 hours of sunshine, while December ends on a high note with a robust 301 hours, leaving us eager for the sunny months that lie ahead.
In San Francisco, Panama, January offers a 45% chance of sunny weather, making it one of the more promising months for sunshine throughout the year. As winter unfolds, this likelihood slightly dips to 41% in February before peaking again in March at 47%. However, the trend takes a sharp downturn as summer approaches, with chances dropping dramatically to 17% in April and falling even lower—down to a mere 5% in August. The following months see a marginal recovery, but January remains a standout time for those seeking sunny days in this vibrant city by the coast.
In January, San Francisco enjoys approximately 11 hours of daylight, a duration that remains consistent through February. As spring approaches in March, the city witnesses a welcome increase to 12 hours of daylight, a trend that continues uninterrupted through the summer months. From March to September, residents bask in the generous light of 12 hours each day, making outdoor activities particularly delightful. However, as autumn sets in, daylight returns to 11 hours in October and stays that way through December, heralding the arrival of winter. This pattern showcases a striking balance, with minimal fluctuations throughout the year, creating a rhythmic cadence in daylight that residents and visitors alike can appreciate.
In January, San Francisco experiences an average wind speed of 2.5 m/s (6 mph), setting the tone for the month with a gentle breeze that invigorates the city's vibrant atmosphere. As the season transitions into February, the wind picks up slightly to 2.9 m/s (6 mph), bringing a refreshing chill. However, as spring approaches in March, we feel the winds strengthen further to 3.3 m/s (7 mph), suggesting a lively shift in the climate. Interestingly, the trend reverses from April onward, where the winds ease dramatically, dwindling to a mild 1.9 m/s (4 mph) by April and further tapering to a consistent 1.3 to 1.4 m/s (3 mph) from May through October. This calming pattern continues into the latter part of the year, with a slight uptick in November and December, where wind speeds reach 1.3 m/s (3 mph) and 1.7 m/s (4 mph) respectively. Overall, the January winds herald a vibrant start to the year, with a noteworthy decline into the summer months, accentuating the unique climatic rhythm of San Francisco.
Weather in San Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in San Francisco, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, we can observe a slight increase in average temperature, from 26°C (79°F) in January to 27°C (80°F) in February. February also sees a higher maximum temperature of 34°C (94°F) compared to January's max of 33°C (91°F). Notably, February experiences significantly less precipitation, with only 8 mm (0.3 in) over zero rainy days, while January records 31 mm (1.2 in) over four days of rain. Humidity levels remain similar, with January at 72% and February slightly lower at 71%. For more detailed weather insights, check out this link: San Francisco weather in February.
In comparing the weather between January and March, it’s clear that both months experience warm temperatures, but March tends to be slightly warmer overall. January has a minimum temperature of 20°C (68°F) and an average of 26°C (79°F), while March sees a minimum of 21°C (70°F) and an average of 27°C (81°F). Additionally, March peaks at 34°C (94°F) compared to January's maximum of 33°C (91°F). When it comes to precipitation, January experiences more rainfall with 31 mm (1.2 in) over 4 days, whereas March is much drier, recording only 7 mm (0.3 in) with no rain days. Humidity is slightly lower in March at 69%, compared to January's 72%. For more detailed information, you can check San Francisco weather in March.
In January, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F). The month experiences relatively low precipitation at 31 mm (1.2 in) over just 4 days, accompanied by a humidity level of 72%. In contrast, April sees slightly warmer temperatures, with a minimum of 21°C (70°F) and a maximum soaring to 36°C (96°F), averaging 27°C (81°F). However, it also brings significantly higher rainfall at 105 mm (4.1 in) over 12 days, while maintaining a humidity level of 70%. This stark contrast highlights the change in weather patterns as the year progresses. For more insights on how April weather unfolds, check out San Francisco weather in April.
In January, the weather features a comfortable temperature range with a minimum of 20°C (68°F) and a maximum of 33°C (91°F), accompanied by moderate humidity at 72%. Precipitation is relatively low, averaging only 31 mm (1.2 in) over about four days. In contrast, May experiences slightly warmer conditions, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 35°C (96°F). However, the month sees a significant increase in rainfall, totaling 355 mm (14.0 in) over 27 days, maintaining a humidity level of 73%. For more details on weather patterns in this period, check out San Francisco weather in May.
In January, the weather is generally warm and dry, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F). The month sees limited rainfall, contributing to a humidity of 72%, and typically only four days of precipitation. In contrast, June experiences similarly high temperatures, but with a slightly higher minimum of 21°C (70°F) and increased humidity at 90%. However, June is significantly wetter, with a staggering 353 mm (13.9 in) of rainfall spread over 28 days, making it one of the rainiest months of the year. For more detailed insights, you can visit San Francisco weather in June.
When comparing the weather in January and July, both months display similar temperature ranges, with minimum temperatures around 20°C (68°F), average temperatures hovering near 26°C (79°F), and maximum temperatures reaching 33°C (91°F) in January and 33°C (92°F) in July. However, July is significantly wetter, experiencing a substantial increase in precipitation with 404 mm (15.9 in) compared to just 31 mm (1.2 in) in January, and rainfall occurs on 28 days in July versus only 4 days in January. Additionally, humidity levels are higher in July, averaging 88%, compared to 72% in January. For more details, you can check San Francisco weather in July.
In January, the weather is warm and relatively dry, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 33°C (91°F). The average temperature hovers around 26°C (79°F), and there’s only about 31 mm (1.2 in) of precipitation over four days, accompanied by a humidity level of 72%. In contrast, August experiences a noticeably different climate; while temperatures remain consistent with a maximum of 33°C (91°F), the minimum temperature slightly rises to 21°C (70°F) and the average drops to 25°C (78°F). However, this month is much wetter, with a significant 359 mm (14.1 in) of rainfall spread across 29 days, resulting in a higher humidity level of 87%. For more details on the weather during this period, visit San Francisco weather in August.
In January, the weather features warm temperatures with a minimum of 20°C (68°F) and an average of 26°C (79°F), peaking at 33°C (91°F). The month experiences relatively low precipitation, totaling 31 mm (1.2 in) over just 4 days, accompanied by a moderate humidity level of 72%. In contrast, September sees slightly warmer evenings with a minimum temperature of 21°C (70°F) and an average of 25°C (78°F), while the maximum temperature remains similar at 32°C (91°F). However, September is significantly wetter, receiving 459 mm (18.1 in) of rain across 30 days and showcasing higher humidity at 87%. For more details, you can check out San Francisco weather in September.
In January, the weather is characterized by warm temperatures, with average highs reaching 33°C (91°F) and relatively low precipitation of 31 mm (1.2 in) over just 4 days, resulting in a humidity level of 72%. In contrast, October features slightly cooler temperatures, with average highs of 32°C (90°F) and significantly higher precipitation levels of 410 mm (16.2 in) spread across 29 days, leading to increased humidity at 86%. This stark difference in rainfall and humidity illustrates how January tends to offer drier and more stable conditions compared to the wetter and more humid October climate. For more details, you can check San Francisco weather in October.
January and November exhibit distinct differences in weather patterns. In January, temperatures range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F), with an average of 26°C (79°F). The month experiences relatively low precipitation of 31 mm (1.2 in) over just 4 days, along with a humidity level of 72%. In contrast, November sees slightly higher minimum temperatures at 21°C (70°F) and a maximum of 32°C (90°F), but the average temperature drops to 25°C (77°F). This month is notably wetter, with a significant 385 mm (15.1 in) of rainfall occurring over 26 days, and humidity spikes to 86%. For more details on the climate during this month, visit San Francisco weather in November.
In comparison to December, January experiences slightly warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 33°C (91°F), while December's temperatures range from 20°C (69°F) to a maximum of 32°C (90°F). The average temperature in both months remains consistent at around 26°C (79°F). However, January is notably drier, with only 31 mm (1.2 in) of precipitation over 4 days, compared to December's significant 103 mm (4.1 in) spread over 9 days. Additionally, humidity levels are marginally lower in January at 72%, compared to December's 79%. For more detailed weather insights, check out San Francisco weather in December.
January in San Francisco offers a refreshing contrast to the warmer months, with moderate temperatures that provide a comfortable escape from the summer heat. While daytime highs hover pleasantly around the mid-20s°C (mid-70s°F), the nights can feel quite mild, maintaining a cozy atmosphere thanks to the elevated humidity levels. Precipitation is relatively low, with only a few rainy days throughout the month, making January one of the drier winter months. This blend of mild weather and manageable rain sets the stage for exploring the vibrant city without the crowds typical of other seasons. For a deeper dive into what to expect throughout the year, check out the detailed page on San Francisco Climate.