January Weather in Barreiras, Brazil

Last updated: August 22, 2025

In Barreiras, Brazil, the average temperature in January hovers around 26°C (79°F). Expect a delightful range, with minimums dropping to 18°C (65°F) and maximums peaking at 36°C (97°F). However, be prepared for some rain, as 91 mm (3.6 in) of precipitation is likely over 11 days. With an average humidity of 84%, it’s a warm and tropical month, perfect for enjoying all that Barreiras has to offer!

January Temperature in Barreiras

In January in Barreiras, the average temperature is 26°C (79°F). The maximum can reach 36°C (97°F), and the minimum can be as low as 18°C (65°F). This pleasant climate makes Barreiras an ideal destination for travelers seeking warm weather and enjoyable outdoor activities.

January Weather in Barreiras: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Barreiras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barreiras, January typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (97°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777777675747781837978
Data source: Temperature data for Barreiras 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 Barreiras

In Barreiras in January, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

January Precipitation Trends in Barreiras

The chart displays monthly precipitation patterns in Barreiras, 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 Barreiras, January typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec911931758512112142158196
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Barreiras

In Barreiras in January, humidity is 84%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket enveloping you, making travel feel sticky and exhausting, yet the vibrant atmosphere and lush surroundings offer a refreshing allure that invites exploration.

January Average Humidity in Barreiras

This chart illustrates the average monthly humidity levels in Barreiras, 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 Barreiras is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%89%91%84%67%54%48%44%37%29%35%56%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Barreiras

In Barreiras in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Barreiras.

Maximum UV Index Levels in Barreiras for January

The chart shows the monthly maximum UV Index (UVI) for Barreiras 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 Barreiras typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161515141210101213151516
Data source: Barreiras 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.

How January Weather in Barreiras Compares to Other Months

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

This table compares monthly weather conditions in Barreiras, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)91 mm (3.6 inches)84%extreme
February Weather25°C (77°F)193 mm (7.6 inches)89%extreme
March Weather25°C (77°F)175 mm (6.9 inches)91%extreme
April Weather25°C (77°F)85 mm (3.3 inches)84%extreme
May Weather25°C (77°F)12 mm (0.5 inches)67%extreme
June Weather24°C (75°F)1 mm (0.0 inches)54%very high
July Weather23°C (74°F)1 mm (0.0 inches)48%very high
August Weather25°C (77°F)2 mm (0.1 inches)44%extreme
September Weather27°C (81°F)1 mm (0.0 inches)37%extreme
October Weather28°C (83°F)42 mm (1.6 inches)29%extreme
November Weather26°C (79°F)158 mm (6.2 inches)35%extreme
December Weather25°C (78°F)196 mm (7.7 inches)56%extreme

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