Last updated: August 21, 2025
In January, Goiânia, Brazil, experiences warm temperatures with maximums soaring up to 34°C (93°F), while the average hovers around a comfortable 24°C (76°F). Nighttime offers a cooler relief, dipping to a minimum of 16°C (61°F). This month is marked by significant rainfall, accumulating 130 mm (5.1 in) over about 15 days, contributing to the city's high humidity levels, which can reach 85%. Travelers should be prepared for both the warmth and the frequent, refreshing rain showers typical of this vibrant Brazilian summer.
In Goiania, Brazil, January sets the stage for warm summer days, with temperatures ranging from a cool 16°C (61°F) at night to a scorching high of 34°C (93°F) during the day. The average temperature hovers around a comfortable 24°C (76°F), making it an ideal time for outdoor activities. As the month progresses, the trend shows slightly increasing minimum temperatures, hinting at the warmth that February brings with a minimum of 18°C (65°F). Overall, January serves as a vibrant prelude to the hotter months ahead while maintaining a pleasantly warm essence throughout the days and balmy evenings, reflecting the region's tropical climate.
In January, Goiânia experiences a moderate rainfall of 130 mm (5.1 in) spread across 15 days, marking the start of the wet season. This precipitation sets the stage for a significantly wetter February, which sees a dramatic increase to 225 mm (8.9 in) over 21 days, making it the rainiest month of the year. After January's consistent showers, the rain tapers off in March with 137 mm (5.4 in) over 19 days, transitioning into the drier months ahead. By April, rainfall decreases to 80 mm (3.2 in), and it drops even further to just 12 mm (0.5 in) in May, with rainfall days reducing sharply. The following months, from June to August, witness nearly negligible precipitation, indicating a prolonged dry spell. However, as the year progresses into October through December, there is a resurgence in rainfall, particularly in November, which receives 190 mm (7.5 in) over 22 days, highlighting the seasonal fluctuations characteristic of this region.
In Goiânia, Brazil, the month of January sets the stage for a notably humid season, with levels reaching a substantial 85%. This trend of high humidity persists into February and March, where it peaks at an impressive 89%. As the year progresses, a gradual decline in humidity is observed, dipping to 80% in April and continuing to decrease throughout the dry months of May and June, where it stabilizes around 62%. The latter half of the year showcases a clear reduction, hitting a low of just 28% in October, before a slight resurgence in humidity returns with December's 76%. Overall, January's humidity not only reflects the start of the year’s tropical climate but also foreshadows the subsequent high levels that characterize the wet season in this vibrant region.
In January, Goiania experiences a staggering UV Index of 16, marking it within the extreme exposure category, where even minimal sun exposure can lead to burns in just 10 minutes. This level of UV radiation persists notably throughout the early months, with February also featuring a UV Index of 16. As the year progresses, while the index dips slightly in March and April to 14 and 13 respectively, it remains classified as extreme. The summer months see a gradual decline, with May to July shifting to a very high exposure category, where the burn time extends to 15 minutes. Interestingly, the UV Index spikes back up to extreme levels in August and later months, returning to a UV Index of 16 in November and December. This pattern of intense UV radiation showcases the importance of sun safety in Goiania throughout the year. For more details, you can check out the Goiania UV Index.
UV Risk Categories
January in Goiânia, Brazil, welcomes the new year with an impressive 257 hours of sunshine, setting a warm tone for the months ahead. As summer progresses, the sun seems to shine brighter, peaking in March with 309 hours. This trend of increasing sunlight continues into April and May, where residents enjoy 305 and 318 hours respectively, making for vibrant days filled with outdoor activities. The atmosphere remains consistently sunny through June and July, both offering 315 and 330 hours of sunlight. Interestingly, from August to October, sunshine levels remain solidly high, maintaining 330 to 323 hours, a delightful backdrop for the transition into the cooler months. Despite a slight dip as the year closes, with 292 hours in November and 294 in December, the steady trend of abundant sunshine underscores Goiânia's reputation as a radiant jewel of Brazil, perfect for sun-seekers year-round.
In January, Goiânia experiences a modest 19% chance of sunny weather, laying the groundwork for a gradual shift towards brighter days as the year progresses. As we move into February and March, the likelihood of sun increases to 24% and 27% respectively, hinting at the arrival of warmer months. This upward trend continues sharply, with April and May boasting 51% and 54% chances, signaling a transition into the peak of the sunny season. The sun truly shines in July with an impressive 95% probability, followed by a steady pattern throughout the second half of the year. As the year wraps up, the likelihood dips again, with November dropping to just 11% and December holding at 30%. Thus, January marks a starting point in a promising journey towards the sunniest months ahead.
In January, Goiania enjoys an inviting 12 hours of daylight, a trend that continues through February and March, offering a radiant start to the year. As the days gradually shorten in April, the city experiences a slight decline in daylight to 11 hours, a pattern that persists through the cooler months of May, June, July, and August. Interestingly, as spring approaches in September, daylight begins to lengthen again, restoring 12 hours of sunlight and continuing through October and November. December, however, brings a delightful increase, peaking at 13 hours of daylight, perfect for celebrating the festive season. This cyclical rhythm of daylight in Goiania reflects the city's vibrant climate and seasonal transitions throughout the year.
In January, Goiânia experiences a gentle breeze with an average wind speed of 1.7 m/s (4 mph), mirroring the calmness of the previous month. As the year progresses into February and March, winds remain consistent, maintaining that same soothing pace. However, as April rolls in, a subtle shift occurs, leading to a gradual increase in wind speed throughout the months, peaking in July at 2.5 m/s (6 mph). This trend continues into August, bringing a slightly more invigorating atmosphere. As fall approaches, September and October witness a slight dip before settling back into the tranquility of November and December, returning to familiar speeds. Overall, January’s mild winds set the tone for a year of gentle yet progressive breezes in Goiânia.
Weather in Goiania varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Goiania, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February present relatively similar weather patterns, but with some notable differences. In January, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 24°C (76°F). The month experiences 130 mm (5.1 in) of precipitation spread over 15 days and has a humidity level of 85%. In contrast, February sees a slight increase in minimum temperatures at 18°C (65°F) and maintains a similar average of 24°C (75°F), but the maximum temperature decreases to 33°C (92°F). February also experiences significantly higher rainfall, totaling 225 mm (8.9 in) across 21 days, accompanied by increased humidity at 89%. This comparison highlights February as wetter and slightly more humid than January. For a more detailed look, you can check the Goiania weather in February.
In January, the weather features warm temperatures, with a minimum of 16°C (61°F), an average of 24°C (76°F), and a maximum reaching 34°C (93°F). The month is characterized by significant precipitation, totaling 130 mm (5.1 in) over 15 days, with humidity levels around 85%.
In contrast, March experiences slightly cooler temperatures, with the same minimum of 16°C (61°F) but an average of 24°C (75°F) and a maximum of 33°C (91°F). While the total precipitation increases to 137 mm (5.4 in) and occurs on 19 days, humidity rises to 89%, making the air feel more damp. For more details on the weather in March, you can visit Goiania weather in March.
In comparing the weather between January and April, January tends to be slightly warmer with a minimum temperature of 16°C (61°F) and a maximum of 34°C (93°F), whereas April's temperatures range from a minimum of 14°C (58°F) to a maximum of 32°C (90°F). Both months share an average temperature of 24°C (75°F), but January sees higher precipitation at 130 mm (5.1 in) over 15 days compared to April's 80 mm (3.2 in) over 13 days. Additionally, January has a higher humidity level at 85%, while April's humidity is slightly lower at 80%. For more details on weather patterns specific to April, you can visit Goiania weather in April.
In January, the weather is quite warm with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F) and an average of 24°C (76°F). However, it is also the wettest month, experiencing significant rainfall of about 130 mm (5.1 in) over 15 days, leading to high humidity levels at 85%. In contrast, May offers a much cooler climate, with temperatures dipping as low as 5°C (42°F) and averaging 22°C (72°F) with a maximum of 31°C (88°F). Precipitation is drastically reduced to just 12 mm (0.5 in) over only 2 days, resulting in lower humidity at 67%. For a detailed comparison, you can check Goiania weather in May.
In January, the weather is notably warmer and more humid, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F) and an average temperature of 24°C (76°F). This month experiences significant rainfall, totaling 130 mm (5.1 in) over approximately 15 days, contributing to a high humidity level of 85%. In contrast, June offers a cooler climate, characterized by temperatures that drop to a minimum of 11°C (53°F) and rise to a maximum of 31°C (88°F), with an average temperature of 22°C (71°F). Surprisingly, June sees very little precipitation, receiving just 1 mm (0.0 in) and experiencing no rainy days, along with a much lower humidity level of 62%. For more details on what to expect during this month, check out Goiania weather in June.
The weather in January is notably warmer and more humid compared to July. In January, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 24°C (76°F), accompanied by 130 mm (5.1 in) of precipitation over 15 days and humidity levels soaring at 85%. In contrast, July experiences much cooler temperatures, with a minimum of 7°C (45°F), a maximum of 31°C (88°F), and an average temperature of 21°C (70°F). Notably, July sees no rainfall, boasting 0 mm of precipitation over 0 days, and a significantly lower humidity at 56%. For more details, you can refer to Goiania weather in July.
In January, the weather is notably warmer with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), accompanied by high humidity levels of 85%. This month experiences significant rainfall, with approximately 130 mm (5.1 in) of precipitation over about 15 days. In contrast, August presents a cooler climate, with temperatures dropping to a minimum of 11°C (52°F) while still reaching a comfortable average of 24°C (75°F), maintaining a similar maximum of 34°C (94°F). Importantly, August sees minimal precipitation, with just 1 mm (0.0 in) recorded and no rainy days, resulting in a much lower humidity of 47%. For more details, you can check Goiania weather in August.
January and September exhibit notable differences in weather patterns. In January, temperatures range more widely, with minimums around 16°C (61°F) and maximums reaching up to 34°C (93°F), alongside high humidity levels at 85% and significant precipitation of 130 mm over 15 days. In contrast, September boasts warmer average temperatures, peaking at 38°C (101°F), but with much lower humidity at 36% and minimal rainfall of just 10 mm across only one day. For more detailed information, you may refer to Goiania weather in September.
In January, temperatures range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 24°C (76°F). The month is relatively humid, with an 85% humidity level and significant rainfall totaling 130 mm (5.1 in) across 15 days. In contrast, October presents a warmer climate, featuring a minimum temperature of 15°C (59°F) and soaring to a maximum of 39°C (103°F), with an average of 26°C (79°F). The precipitation is lower at 103 mm (4.1 in), also spread over 15 days, but the humidity drops significantly to 28%. For more details on October weather, visit Goiania weather in October.
In January, the weather features a temperature range from a minimum of 16°C (61°F) to a maximum of 34°C (93°F), with an average of 24°C (76°F). This month experiences significant rainfall, accumulating around 130 mm (5.1 in) over approximately 15 days, accompanied by high humidity levels at 85%.
In contrast, November presents slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 35°C (96°F), while maintaining the same average of 24°C (76°F). However, November is wetter, receiving more precipitation at 190 mm (7.5 in) over 22 days, but with notably lower humidity at 58%. For more details on the weather in November, you can visit Goiania weather in November.
In comparison to December, January experiences slightly warmer minimum temperatures, hovering around 16°C (61°F), while December starts at 17°C (62°F). Both months have similar average temperatures of 24°C (76°F) and peak at 34°C (93°F in January, 94°F in December). However, January has lower precipitation, with 130 mm (5.1 in) over 15 days, compared to December's higher levels of 202 mm (7.9 in) across 21 days. Additionally, January tends to be more humid at 85%, whereas December's humidity is slightly lower at 76%. For more specific details about December weather, check Goiania weather in December.
In January, Goiania experiences warm and humid conditions, characterized by a maximum temperature reaching up to 34°C (93°F) and an average of 24°C (76°F). This month stands out due to its higher precipitation levels, with rain falling on about half the days, contributing to a total of 130 mm. The sticky humidity, peaking at 85%, adds an extra layer of discomfort compared to the drier months ahead. If you're planning a visit, be prepared for the tropical embrace of the wet season. For a detailed understanding of Goiania's weather patterns throughout the year, check out Goiania Climate.