Last updated: August 21, 2025
In January, Valparaiso, Brazil, experiences a vibrant mix of weather patterns, characterized by maximum temperatures soaring up to 37°C (99°F) and an inviting average of 26°C (80°F). With minimum temperatures dipping to 19°C (66°F), the city offers a pleasant climate for both locals and visitors. However, this warm period also carries a significant amount of rainfall, with 193 mm (7.6 in) of precipitation collected over 17 days, contributing to a high humidity level of 84%. The combination of heat and humidity creates a lush environment, making January a dynamic and often rainy month in this coastal gem.
In January, Valparaiso, Brazil, welcomes summer with temperatures ranging from a mild 19°C (66°F) to a scorching 37°C (99°F), making it one of the hottest months of the year. The average temperature hovers at a pleasant 26°C (80°F), perfect for enjoying the city's vibrant coastal atmosphere. As the summer progresses into February, temperatures slightly decline, with lows of 17°C (64°F) and highs of 36°C (97°F), yet the average remains stable at 26°C (79°F). In March, the heat continues but begins to retract, with a minimum of 18°C (64°F) and a peak of 37°C (98°F), maintaining that consistent average. As the calendar turns towards April and beyond, a noticeable transition occurs, with temperatures dipping significantly in the winter months to lows of 4°C (39°F) in July. Despite this drop, the averages settle around 22°C (72°F), ensuring that Valparaiso enjoys a moderate climate even in the cooler seasons. From seasonal highs to refreshing lows, the temperature trends in Valparaiso beautifully capture the essence of urban life along the Brazilian coast.
In Valparaiso, Brazil, January marks the peak of the rainy season, with an impressive 193 mm (7.6 in) of precipitation spread over 17 days. This significant rainfall sets the tone for the following months, as February sees a decrease to 157 mm (6.2 in) while still maintaining a high frequency of rainy days at 16. As the season transitions into March and April, there’s a noticeable drop in both the amount and frequency of rain, plummeting to 100 mm (3.9 in) in March followed by a mere 61 mm (2.4 in) in April. The stark contrast between January’s abundant showers and the subsequent dry months highlights the distinct seasonal shift, leading to a dramatic reduction in precipitation as the year progresses. By mid-year, rain becomes a rarity, with July recording no precipitation at all, showcasing the marked seasonal variability that characterizes Valparaiso's climate.
In January, Valparaiso experiences a high level of humidity at 84%, setting the tone for a tropical summer ambiance. As the month transitions into February, the humidity rises slightly to 85%, creating a muggy but vibrant atmosphere typical of the season. Interestingly, humidity levels stabilize at 84% in March, reflecting a consistent warm climate. However, as autumn arrives in April, humidity begins to drop significantly to 76%, leading the city into a drier spell. This trend continues through the colder months, reaching a comfortable low of 44% in July. By August, humidity plummets to just 38%, making it the driest month of the year. As spring approaches, humidity levels begin to increase once again, culminating in a significant rise to 62% in November and climbing to 82% in December as the summer heat returns. Overall, Valparaiso's humidity presents a fascinating shift from the humid swelter of the summer months to the refreshing crispness of winter, creating a dynamic climate for residents and visitors alike.
In January, Valparaiso, Brazil, experiences a notably high UV Index of 15, categorizing it as extreme and resulting in a rapid burn time of just 10 minutes. This intensity of sunlight marks the start of a season where UV levels remain comparatively high, peaking in February with an even more intense UV Index of 16. As the months progress into March and April, the index slightly decreases to 13 and 11, yet still maintains an extreme exposure category. Moving into the latter part of the year, UV levels soften, with May and June registering very high and high levels, respectively, before climbing back to extreme levels again by September, consistent with trends observed earlier. This cyclical pattern of intense UV exposure underscores the importance of sun protection in this coastal city. For more details, visit Valparaiso UV Index.
UV Risk Categories
January in Valparaiso, Brazil, welcomes the year with a delightful 253 hours of sunshine, setting the scene for the vibrant summer ahead. As the months roll on, the city basks in an increase of sunlight, peaking in March with an impressive 338 hours. This sun-drenched trend continues, showcasing a healthy balance with April's 308 hours and consistent sunshine throughout the remaining months, averaging between 288 and 338 hours. Notably, the year closes on a high note, with December enjoying 333 hours of sunlight. Such consistent rays not only illuminate Valparaiso’s stunning vistas but also enhance the overall festive atmosphere across the year.
When considering the likelihood of sunny weather in January in Valparaiso, Brazil, it's important to note that the chance of sun stands at a modest 18%. This low probability marks a stark contrast to the sunnier months that follow, particularly February, which enjoys a 51% likelihood of sunshine. As the year progresses, the trend shifts significantly towards more favorable weather, with April and May basking in 65% and 64% chance of sun, respectively. By mid-year, from July onwards, residents and visitors revel in a much brighter experience, as sunny days soar to a remarkable 81% in July. Thus, while January may present a gray start, the promise of vibrant sun-drenched days is just around the corner as summer unfolds in Valparaiso.
In Valparaiso, Brazil, January shines brightly with an impressive 13 hours of daylight, setting the stage for the sun-soaked summer days. As the year progresses into February and March, daylight stays consistent at 12 hours, allowing for plenty of outdoor adventures. However, by April, the hours of sunlight begin to wane, settling at 11 hours and continuing this trend through May and June. This decline leads into the winter months of July and August, where daylight remains at a steady 10 to 11 hours. As spring approaches in September and October, daylight gradually extends back to 12 hours, peaking again in November and December with 13 hours. This rhythmic ebb and flow of daylight not only marks the changing seasons but also influences the vibrant lifestyle of Valparaiso, inviting both residents and visitors to revel in its beauty throughout the year.
In Valparaiso, Brazil, January brings a gentle caress of wind, with an average speed of 2.2 m/s (5 mph), setting the tone for the mellow summer days. This consistency continues into February and March, as the winds remain steady at the same speed, fostering a serene atmosphere perfect for beach outings and coastal exploration. As the seasons transition into autumn, wind speeds gradually increase, peaking in July and August when they reach 3.1 m/s (7 mph), invigorating the coastal air. The late months of the year also see a rise, particularly in November, as the winds regain momentum, creating a refreshing backdrop to the vibrant, bustling life of this picturesque city. Ultimately, the overall trend highlights a delightful blend of calm and brisk breezes throughout the year, making Valparaiso a unique location for both relaxation and adventure.
Weather in Valparaiso varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Valparaiso, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February exhibit similar weather patterns, but with some notable differences. January typically features slightly higher temperatures, with a maximum of 37°C (99°F) compared to February's 36°C (97°F). The average temperatures remain consistent at around 26°C (80°F) in both months, while January experiences more precipitation—193 mm (7.6 in) over 17 days, compared to February's 157 mm (6.2 in) and 16 days of rain. Additionally, February has a slightly lower minimum temperature of 17°C (64°F) versus January's 19°C (66°F). Humidity levels are quite similar, with February slightly higher at 85% compared to January's 84%. For a more detailed look at February's climate, visit Valparaiso weather in February.
In January, the weather features a minimum temperature of 19°C (66°F) and reaches an average of 26°C (80°F), peaking at 37°C (99°F), accompanied by significant precipitation of 193 mm (7.6 in) over 17 days. The humidity remains high at 84%. In contrast, March shows a similar range in temperatures, with a minimum of 18°C (64°F), an average of 26°C (80°F), and a maximum of 37°C (98°F). However, March experiences notably less rainfall, totaling 100 mm (3.9 in) over 14 days, while maintaining the same humidity level of 84%. For those interested in details about March weather, check out Valparaiso weather in March.
In January, the weather is notably warmer, with temperatures ranging from a minimum of 19°C (66°F) to a maximum of 37°C (99°F), and an average of 26°C (80°F). This month is also characterized by high humidity at 84% and considerable rainfall, averaging 193 mm (7.6 in) over 17 days. In contrast, April boasts cooler conditions, with temperatures dropping to a minimum of 11°C (52°F) and a high of 35°C (95°F), while the average stays around 25°C (77°F). Precipitation decreases significantly to 61 mm (2.4 in) over just 5 days, and humidity also drops to 76%. For more detailed information, you can refer to Valparaiso weather in April.
January and May present a stark contrast in weather conditions. In January, temperatures range from a minimum of 19°C (66°F) to a sweltering maximum of 37°C (99°F), with an average of 26°C (80°F). The month is characterized by high humidity at 84% and significant rainfall, totaling 193 mm (7.6 in) over 17 days. Conversely, May sees a cooler climate, with temperatures dipping to a minimum of 6°C (44°F) and peaking at 34°C (94°F), averaging 22°C (72°F). Precipitation is significantly lower in May, with only 33 mm (1.3 in) falling over just 4 days, accompanied by a more comfortable humidity level of 60%. For a detailed look at May’s conditions, visit Valparaiso weather in May.
January and June present contrasting weather conditions in Valparaiso. In January, temperatures soar with a minimum of 19°C (66°F) and an average high of 37°C (99°F), while June experiences cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 33°C (92°F). January is characterized by high humidity at 84% and significant rainfall of 193 mm (7.6 in) over 17 days, indicating a wet season. In contrast, June offers a much drier climate with only 16 mm (0.6 in) of precipitation across just 2 days and significantly lower humidity at 48%. Overall, January is warm and humid, whereas June provides a cooler and drier experience. For more detailed weather information, you can visit Valparaiso weather in June.
January and July showcase strikingly different weather patterns. In January, temperatures can soar with a minimum of 19°C (66°F) and highs reaching up to 37°C (99°F), while the humidity is quite high at 84%. This month also experiences significant precipitation, averaging 193 mm (7.6 in) over 17 days. In contrast, July offers a cooler and drier climate, with temperatures ranging from a minimum of 4°C (39°F) to an average of 21°C (70°F), peaking at 33°C (92°F). Notably, July boasts almost no rainfall, with just 10 mm (0.4 in) recorded and no rainy days. For more details on July weather, you can check Valparaiso weather in July.
January and August present contrasting weather experiences. In January, temperatures range from a comfortable minimum of 19°C (66°F) to a scorching maximum of 37°C (99°F), with an average of 26°C (80°F). This month is also characterized by high humidity at 84% and considerable rainfall, totaling 193 mm (7.6 in) over 17 days. In stark contrast, August offers a cooler climate with temperatures dipping to a minimum of 7°C (45°F) and an average of 22°C (73°F), while still reaching highs of 37°C (98°F). Precipitation is minimal during this month, with only 20 mm (0.8 in) recorded over just 4 days and a much lower humidity level of 38%. For more detailed insights, you can visit Valparaiso weather in August.
In January, the weather is characterized by warm temperatures, with a minimum of 19°C (66°F) and an average of 26°C (80°F), reaching highs of 37°C (99°F). This month sees significant rainfall, with about 193 mm (7.6 in) spread over 17 days, accompanied by high humidity at 84%. In contrast, September offers a much drier and cooler experience, featuring a minimum temperature of 13°C (55°F) and an average temperature of 27°C (80°F), peaking at 41°C (106°F). Precipitation drops substantially to just 23 mm (0.9 in) over 3 days, and humidity decreases to a more comfortable 33%. For more information, check out Valparaiso weather in September.
January and October present distinct weather experiences, particularly with temperature and humidity levels. In January, temperatures range from a minimum of 19°C (66°F) to a maximum of 37°C (99°F), accompanied by high humidity at 84% and significant rainfall of 193 mm (7.6 in) over 17 days. In contrast, October boasts a slightly lower minimum temperature of 15°C (60°F) and an impressive maximum of 42°C (108°F), but with drastically reduced humidity at 31% and less precipitation, totaling 101 mm (4.0 in) over 12 days. For more insights on October weather specifically, you can check out Valparaiso weather in October.
Comparing January and November weather reveals some notable differences. January generally sees warmer temperatures, with minimums around 19°C (66°F) and maximums reaching 37°C (99°F), while November has slightly cooler temperatures, with minimums at 14°C (58°F) and maximums peaking at 38°C (101°F). Precipitation is also higher in January, totaling 193 mm (7.6 in) over 17 days, compared to November's 115 mm (4.5 in) across 13 days. Additionally, January has a higher humidity level at 84%, while November's humidity is more moderate at 62%. For a closer look at the weather in November, you can visit Valparaiso weather in November.
In January, the weather is slightly warmer than in December, with average temperatures peaking at 26°C (80°F) and a maximum of 37°C (99°F), compared to December's maximum of 36°C (98°F). Both months experience significant humidity, with January reaching 84% and December at 82%. Additionally, January sees more precipitation, with 193 mm (7.6 in) over 17 days, while December has 164 mm (6.5 in) across the same number of days. For a detailed look at December conditions, check out Valparaiso weather in December.
In January, Valparaiso experiences its summer peak, characterized by warm temperatures and high humidity, making it distinctly warmer compared to other months. With average highs reaching a sizzling 26°C, the city bustles with vibrant activities amidst occasional rain showers, totaling around 193 mm across the month. The 17 days of precipitation add a refreshing contrast to the heat, keeping the atmosphere lush and engaging for visitors. If you're curious about the overall conditions throughout the year, check out the detailed insights at Valparaiso Climate.