January Weather in Rio Claro, Brazil

Last updated: August 22, 2025

In Rio Claro, Brazil, the average temperature in January is a pleasant 25°C (77°F), but it can vary significantly with a minimum of 17°C (63°F) and a maximum reaching 35°C (95°F). Expect considerable rainfall, with 238 mm (9.4 in) spread over 19 days, contributing to the average humidity of 85%. Dress accordingly to enjoy your time in this vibrant location!

January Temperature in Rio Claro

In January in Rio Claro, the average temperature is 25°C (77°F), with maximums reaching 35°C (95°F) and minimums dropping to as low as 17°C (63°F). This mild climate makes Rio Claro an ideal destination for travelers seeking pleasant weather and outdoor activities.

January Weather in Rio Claro: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Rio Claro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio Claro, January typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 17°C (63°F).

Data source: Temperature data for Rio Claro generated using information from the Copernicus Climate Change Service.

January Precipitation in Rio Claro

In Rio Claro in January, the precipitation amount is 238 mm (9.4 in) over a span of 19 days.

January Precipitation Trends in Rio Claro

The chart displays monthly precipitation patterns in Rio Claro, 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 Rio Claro, January typically receives around 238 mm (9.4 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Rio Claro

In Rio Claro in January, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.

January Average Humidity in Rio Claro

This chart illustrates the average monthly humidity levels in Rio Claro, 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 Rio Claro is approximately 85%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Rio Claro

In Rio Claro 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 Rio Claro.

Maximum UV Index Levels in Rio Claro for January

The chart shows the monthly maximum UV Index (UVI) for Rio Claro 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 Rio Claro typically reaches 16, which falls under the extreme exposure category.

Data source: Rio Claro 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 Rio Claro Compares to Other Months

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

This table compares monthly weather conditions in Rio Claro, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (77°F)	238 mm (9.4 inches)	85%	extreme
February Weather	24°C (75°F)	211 mm (8.3 inches)	85%	extreme
March Weather	24°C (75°F)	202 mm (7.9 inches)	86%	extreme
April Weather	22°C (71°F)	95 mm (3.7 inches)	83%	extreme
May Weather	20°C (68°F)	68 mm (2.7 inches)	81%	very high
June Weather	19°C (67°F)	35 mm (1.4 inches)	80%	high
July Weather	18°C (65°F)	29 mm (1.1 inches)	76%	high
August Weather	18°C (66°F)	65 mm (2.6 inches)	73%	very high
September Weather	21°C (70°F)	58 mm (2.3 inches)	68%	extreme
October Weather	22°C (72°F)	127 mm (5.0 inches)	61%	extreme
November Weather	22°C (71°F)	174 mm (6.8 inches)	72%	extreme
December Weather	23°C (74°F)	225 mm (8.8 inches)	75%	extreme