January Weather in Sao Francisco, Brazil

Last updated: August 21, 2025

Experience the vibrant climate of São Francisco, Brazil in January, where the heat can reach a maximum of 38°C (100°F), accompanied by an inviting average temperature of 27°C (81°F). Amidst this warmth, the city sees minimal rainfall, with only 70 mm (2.7 in) spread over around 8 days. Humidity levels hover around a comfortable 76%, making January a perfect time to enjoy the sun-soaked landscapes. Whether you're basking in the warmth or exploring the local culture, São Francisco promises an engaging escape this January.

January Temperature in Sao Francisco

In São Francisco, Brazil, January brings warm and vibrant weather, with temperatures ranging from a mild 20°C (67°F) at night to a sizzling 38°C (100°F) during the day. As the month progresses, the average temperature sits comfortably at 27°C (81°F), setting the stage for a summer filled with activity and exploration. While February continues this trend, showcasing similar highs and slightly cooler averages, a gradual dip in temperatures is observed in the following months. By March, the max temperature decreases to 36°C (98°F), and the nights become cooler, hinting at the transition from peak summer. Moving into the subsequent months, particularly from May to July, a notable cooldown occurs, with nighttime lows dropping into the single digits. Despite this shift, the climate remains generally pleasant, leading into a warm spring as temperatures rise again in September and October. Overall, January stands out as a month of peak warmth and energy, perfectly suited for enjoying the lively atmosphere of this Brazilian jewel.

January Weather in Sao Francisco: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Sao Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sao Francisco, 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).
JanFebMarAprMayJunJulAugSepOctNovDec817979797675747782847979
Data source: Temperature data for Sao Francisco 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.

January Precipitation in Sao Francisco

In January, Sao Francisco, Brazil, experiences a moderate rainfall, with approximately 70 mm (2.7 in) of precipitation falling over 8 days. This month marks the beginning of a wet season, as rainfall begins to significantly increase in February, reaching a robust 183 mm (7.2 in). Following this peak, a gradual decline in precipitation occurs, culminating in a minimal 1 mm (0.0 in) in June and July, where the skies dry up entirely. Interestingly, the rain makes a comeback in October, echoing January's totals before peaking again in November and December. Thus, January sets the tone for a month of transition, leading into the lush and vibrant wet season that characterizes the region.

January Precipitation Trends in Sao Francisco

The chart displays monthly precipitation patterns in Sao Francisco, 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 Sao Francisco, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec701831224314103470152168
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Sao Francisco

In January, São Francisco experiences a humidity level of 76%, setting the stage for a notably humid summer season. As the year progresses into February and March, humidity peaks, reaching a substantial 84% and 86% respectively, creating a muggy atmosphere. Following this peak, April's humidity slightly dips to 81%, but still maintains a high level typical of the region's warm climate. The trend then shifts as the months continue; from May onward, humidity levels enter a gradual decline, dropping to 74% in May and reaching a comfortable 64% by August. By the time autumn arrives in October, humidity has plummeted to a refreshing 44%, providing a much drier feel that persists through November and December. This seasonal fluctuation showcases São Francisco's unique climatic rhythm, characterized by humid summers transitioning into a more temperate autumn.

January Average Humidity in Sao Francisco

This chart illustrates the average monthly humidity levels in Sao Francisco, 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 Sao Francisco is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%84%86%81%74%72%69%64%55%44%45%54%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Sao Francisco

In January, the UV Index in Sao Francisco, Brazil, peaks at an intense 16, categorizing exposure as extreme, with a burn time of just 10 minutes. This extreme exposure continues through February and into early March, where the index remains a challenging 14 before gradually decreasing in April to 13. However, even as the months transition into May, the UV Index still hovers in the very high category at 10, allowing for a slightly extended burn time of 15 minutes. Notably, the trend for extreme levels resumes later in the year, with August through October marked by similar 10-minute burn times despite indices of 12 to 14. As the year wraps up in December, the UV Index's 15 level shows that residents must remain vigilant against the sun's powerful rays. For detailed insights and safety tips, be sure to check the Sao Francisco UV Index.

Maximum UV Index Levels in Sao Francisco for January

The chart shows the monthly maximum UV Index (UVI) for Sao Francisco 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 Sao Francisco typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1615141310991212141515
Data source: Sao Francisco 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 Sao Francisco

In January, Sao Francisco basks in a delightful 279 hours of sunshine, setting a bright tone for the year. This golden weather continues into February with 275 hours, barely dimming the optimism as summer peaks. As the season progresses into March, daylight takes center stage, soaring to a vibrant 313 hours. The sun remains generous through April and May, with 306 and 312 hours respectively, leading into the dry season. The trend only gets sunnier, reaching a peak of 336 hours by September, showcasing the region's abundant sunlight. As the year winds down, the hours decrease gradually, but even in December, 299 hours of sunshine keep spirits high. Throughout the year, Sao Francisco offers an enticing blend of warm days, making it a year-round paradise for sun-seekers.

Monthly Sunshine Duration in Sao Francisco: January Highlighted

The January sunshine duration represents the total number of hours Sao Francisco 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.
JanFebMarAprMayJunJulAugSepOctNovDec279h275h313h306h312h312h324h332h336h334h285h299h
Data source: Sao Francisco January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sao Francisco During January

In São Francisco, Brazil, January boasts a 50% chance of sunny weather, making it a promising start to the year. Interestingly, this sunny potential is notably higher than the following month, February, which plummets to just 16%. As the year progresses, the likelihood of sunshine shows significant fluctuations; for instance, March enjoys a 47% chance, and then a dip is observed again in April at 39%. However, as winter transitions into spring, the sunshine returns with a vengeance—July reaches a remarkable 86%, making it one of the sunniest months of the year. As residents and visitors alike look forward to sun-soaked days, it’s clear that São Francisco's January serves as a meaningful prelude to the vibrant weather that follows in the subsequent months.

Percentage of Sunny Days in January in Sao Francisco

The chart illustrates the percentage of sunny days in Sao Francisco 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 Sao Francisco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%16%47%39%60%64%86%64%78%40%11%19%
Data source: Sao Francisco January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sao Francisco in January

In Sao Francisco, Brazil, January ushers in a consistent 12 hours of daylight, a trend that seamlessly continues through February and March. As April rolls in, daylight hours slightly dip to 11 hours, a rhythm that persists until August, suggesting a season of mild, consistent sunlight. However, as September approaches, the daylight duration rebounds to 12 hours, maintaining this balance through November. A fascinating shift occurs in December, when daylight peaks at 13 hours, offering a vibrant close to the year. This cyclical pattern highlights how daylight duration in Sao Francisco elegantly transitions with the seasons, providing a comforting predictability for residents and visitors alike.

Average Daylight Hours in Sao Francisco for January

The chart illustrates the variation in daylight duration in Sao Francisco throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 56m12h 35m12h 9m11h 42m11h 21m11h 10m11h 16m11h 35m12h12h 27m12h 50m13h 2m
Data source: Sao Francisco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Sao Francisco

As the new year begins in São Francisco, Brazil, January showcases a gentle breeze with an average wind speed of 2.3 m/s (5 mph). This marks the beginning of a gradual increase in wind activity that peaks towards the mid-year months. Following January, the wind speed dips slightly in February to 1.9 m/s, but begins to pick up again through March and April, stabilizing around 2.0 to 2.3 m/s through May. As summer approaches, the winds grow more robust, with a notable surge in August where speeds reach 3.2 m/s (7 mph). This trend suggests that while January welcomes the year with mild breezes, the months that follow will bring a more invigorating gust as São Francisco transitions into its vibrant summer season, ultimately leading to a blustery and lively atmosphere.

Average January Wind Speed in Sao Francisco

The chart displays monthly wind speed patterns in Sao Francisco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.3 m/s1.92.12.02.32.52.73.22.92.52.11.9
Data source: Sao Francisco January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Sao Francisco Compares to Other Months

Weather in Sao Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Sao Francisco, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, the weather in Sao Francisco tends to be warm with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 38°C (100°F), and an average temperature of 27°C (81°F). The month experiences relatively low precipitation, totaling 70 mm (2.7 in) over about 8 days, with humidity levels around 76%. In contrast, February sees a slight decrease in average temperature at 26°C (79°F), but it can still reach highs of 38°C (101°F). However, February is much wetter, with precipitation peaking at 183 mm (7.2 in) across 16 days and a higher humidity level of 84%. For a more in-depth look at the weather patterns, you can visit Sao Francisco weather in February.

In comparing the weather between January and March, we observe some notable differences. January tends to be slightly warmer, with average temperatures reaching 27°C (81°F) and maximums hitting 38°C (100°F), while March is a bit cooler, averaging 26°C (79°F) and peaking at 36°C (98°F). Additionally, March experiences significantly higher precipitation, totaling 122 mm (4.8 in) over 12 days, compared to January's 70 mm (2.7 in) across 8 days. The humidity also rises in March to 86%, compared to January's 76%, making the atmosphere feel more humid during that month. For detailed information, you can check Sao Francisco weather in March.

In January, the weather tends to be hotter with temperatures reaching a maximum of 38°C (100°F) and an average of 27°C (81°F), while April sees slightly cooler temperatures, peaking at 35°C (95°F) and averaging 26°C (79°F). Additionally, January experiences more precipitation at 70 mm (2.7 in) across 8 days, compared to April's 43 mm (1.7 in) during the same number of days. Humidity levels are also quite high in both months, but January remains a bit lower at 76% compared to April's 81%. For a more detailed look at the weather specifics in April, check out Sao Francisco weather in April.

In January, the weather is characterized by high temperatures, with a minimum of 20°C (67°F) and an average of 27°C (81°F), peaking at a scorching 38°C (100°F). This month also sees considerable humidity at 76% and experiences about 70 mm (2.7 in) of precipitation over 8 days. In contrast, May offers a more moderate climate, featuring lower minimum temperatures of 9°C (48°F) and a comfortable average of 25°C (76°F), with a maximum of 35°C (95°F). Precipitation drops significantly to just 14 mm (0.5 in) over 2 days, and the humidity is slightly lower at 74%. For more details, check out Sao Francisco weather in May.

In January, the weather is significantly warmer, with temperatures ranging from a minimum of 20°C (67°F) to a scorching maximum of 38°C (100°F), and an average temperature of 27°C (81°F). It also experiences higher humidity at 76%, with about 70 mm (2.7 in) of precipitation spread over 8 days. In stark contrast, June offers a milder climate, with temperatures peaking at 34°C (94°F) and a more comfortable average of 24°C (76°F). The minimum temperature falls to 14°C (57°F), and there is minimal rainfall, with only 1 mm (0.0 in) and no rainy days reported. Humidity is slightly lower at 72%. For more information, check out Sao Francisco weather in June.

In January, the weather is characterized by high temperatures, with a minimum of 20°C (67°F) and an average of 27°C (81°F), peaking at 38°C (100°F). This month also experiences significant humidity at 76% and nearly 70 mm (2.7 in) of precipitation over 8 days, making it quite a wet and muggy time of year. In contrast, July brings much cooler temperatures, with a minimum of 13°C (56°F) and an average of 23°C (74°F), reaching a high of 35°C (95°F). Remarkably, July is dry, with no recorded precipitation over the month and a lower humidity level of 69%. For more details on the weather conditions in July, you can visit Sao Francisco weather in July.

January and August present contrasting weather conditions. In January, temperatures range from a warm 20°C (67°F) to a scorching 38°C (100°F), with an average of 27°C (81°F). This time of year sees substantial rainfall, averaging 70 mm (2.7 in) over about 8 days, and higher humidity at 76%. In contrast, August offers a cooler climate, with temperatures varying from a minimum of 14°C (58°F) to a maximum of 36°C (97°F), and an average of 25°C (78°F). Notably, precipitation is scarce, totaling just 3 mm (0.1 in) over 0 days, along with lower humidity at 64%. For more details on the weather in August, you can visit Sao Francisco weather in August.

In January, the weather is characterized by warmer temperatures, with averages around 27°C (81°F) and maximum highs reaching up to 38°C (100°F). This month also sees a higher level of humidity at 76% and more frequent rain, averaging 70 mm over 8 days. In contrast, September offers a slightly cooler average temperature of 28°C (82°F), with maximums peaking at 40°C (104°F). Remarkably, September experiences significantly less precipitation, with only 4 mm recorded and no rainy days, alongside a lower humidity level of 55%. For a more detailed look at the weather in September, you can visit Sao Francisco weather in September.

In January, the weather is typically warm with minimum temperatures around 20°C (67°F) and average highs reaching up to 38°C (100°F), accompanied by considerable humidity at 76%. Rainfall during this month averages about 70 mm (2.7 in) over 8 days. In contrast, October offers slightly cooler temperatures, with minimums at 18°C (65°F) and maximums peaking at 41°C (105°F). Despite the extreme heat, the humidity drops significantly to 44%, and precipitation remains consistent at 70 mm (2.7 in) over the same number of rainy days. For a detailed look at October’s specifics, check Sao Francisco weather in October.

In January, the weather is typically warm with temperatures ranging from a minimum of 20°C (67°F) to a maximum of 38°C (100°F), accompanied by an average temperature of 27°C (81°F). The month experiences approximately 70 mm (2.7 in) of precipitation over 8 days, with humidity levels hovering around 76%. In contrast, November sees slightly cooler temperatures, with a minimum of 19°C (66°F), an average of 26°C (79°F), and a maximum reaching 40°C (103°F). However, November has significantly higher rainfall, totaling 152 mm (6.0 in) across 16 days, and notably lower humidity at 45%. For a detailed look at the climate in November, you can refer to Sao Francisco weather in November.

January's weather is characterized by warm temperatures, with a minimum of 20°C (67°F) and an average around 27°C (81°F), peaking at a high of 38°C (100°F). Although January experiences some rainfall, with 70 mm (2.7 in) over approximately 8 days, the humidity remains relatively high at 76%. In contrast, December slightly cooler with temperatures ranging from a minimum of 19°C (66°F) to an average of 26°C (79°F) and a maximum of 37°C (100°F). However, December is significantly wetter, receiving 168 mm (6.6 in) of precipitation across 17 days, and features lower humidity levels at 54%. For more details, you can check the Sao Francisco weather in December.

Compare Sao Francisco's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Sao Francisco

In January, São Francisco experiences a warm and humid climate that distinguishes it from other months. With average temperatures reaching a cozy 27°C (81°F) and occasional highs soaring to 38°C (100°F), this is a time when residents and visitors can truly enjoy the warmth of summer. While precipitation is relatively low compared to the wet season, the 70 mm (2.7 in) of rain over about 8 days adds a refreshing touch amidst the high humidity of 76%. This blend of heat and moisture creates a vibrant atmosphere, perfect for outdoor activities and exploration. For a more detailed understanding of what to expect year-round in this beautiful region, check out the complete Sao Francisco Climate.