January weather forecast
Rio Claro, Brazil

englishespañol中文
Share

Weather in January

January, like December, in Rio Claro, Brazil, is another warm summer month, with an average temperature varying between 28°C (82.4°F) and 19.4°C (66.9°F).

Temperature

Rio Claro, Brazil, experiences a recorded average high-temperature of a still moderately hot 28°C (82.4°F) in January, closely aligned with December's 28.5°C (83.3°F). Rio Claro records an average temperature drop to a refreshing 19.4°C (66.9°F) in January.

Heat index

The average heat index in January is appraised at a tropical 33°C (91.4°F). Exercise increased caution, heat cramps and heat exhaustion are potential hazards. Continuous activity could lead to heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In January, the average relative humidity in Rio Claro, Brazil, is 85%.

Rainfall

January is the month with the most rainfall in Rio Claro. Rain falls for 25.9 days and accumulates 154mm (6.06") of precipitation.

Daylight

In Rio Claro, Brazil, the average length of the day in January is 13h and 19min.
On the first day of January in Rio Claro, sunrise is at 05:29 and sunset at 18:58. On the last day of the month, sunrise is at 05:50 and sunset at 18:57 -03.

Sunshine

January has the least sunshine of the year in Rio Claro, with an average of 7.1h of sunshine.

UV index

January through March, August through November, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 6 translates into the following recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
[Resources]

Frequently asked questions

How hot is January in Rio Claro?

In Rio Claro, 28°C (82.4°F) is the average high-temperature and 19.4°C (66.9°F) is the average low-temperature during January. In January, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is appraised at 33°C (91.4°F).

What is the average humidity in January in Rio Claro?

In January, the average relative humidity in Rio Claro, Brazil, is 85%.

What is the rainiest month in Rio Claro?

January is the month with the most rainfall in Rio Claro. Rain falls for 25.9 days and accumulates 154mm (6.06") of precipitation.

How many days does it rain in January in Rio Claro?

In January, in Rio Claro, the rain falls for 25.9 days. Throughout January, 154mm (6.06") of precipitation is accumulated.

What is the average length of the day in January in Rio Claro?

The average day length in January in Rio Claro is 13h and 19min.

When are sunrise and sunset in January in Rio Claro?

In January, on the first day of the month, sunrise is at 05:29 and sunset at 18:58. On the last day of the month, in Rio Claro, Brazil, sunrise is at 05:50 and sunset at 18:57 -03.

What is the month with the least sunshine in Rio Claro?

The month with the least sunshine in Rio Claro is January, with an average of 7.1h of sunshine.

How long on average sun shines in January in Rio Claro?

The average sunshine duration in January in Rio Claro, Brazil, is 7.1h.

What are the months with the highest UV index in Rio Claro?

January through March, August through November, with an average maximum UV index of 6, are months with the highest UV index in Rio Claro, Brazil.

How high is the UV index in January in Rio Claro?

In Rio Claro, Brazil, the average daily maximum UV index in January is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Rio Claro, Brazil

Average temperature in January - Rio Claro, Brazil
  • Average high temperature in January: 28°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is June (22.8°C).

  • Average low temperature in January: 19.4°C

The month with the highest average low temperature is December (19.5°C).
The coldest month (with the lowest average low temperature) is June (13.4°C).

[Resources]

Average pressure in January
Rio Claro, Brazil

Average pressure in January - Rio Claro, Brazil
  • Average pressure in January: 1012.8mbar

The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).

[Resources]

Average wind speed in January
Rio Claro, Brazil

Average wind speed in January - Rio Claro, Brazil
  • Average wind speed in January: 7.3km/h

The windiest month (with the highest average wind speed) is October (8.9km/h).
The calmest months (with the lowest average wind speed) are March and April (6.5km/h).

[Resources]

Average humidity in January
Rio Claro, Brazil

Average humidity in January - Rio Claro, Brazil
  • Average humidity in January: 85%

The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is September (63%).

[Resources]

Average rainfall in January
Rio Claro, Brazil

Average rainfall in January - Rio Claro, Brazil
  • Average rainfall in January: 154mm

The wettest month (with the highest rainfall) is January (154mm).
The driest month (with the least rainfall) is August (21mm).

[Resources]

Average rainfall days in January
Rio Claro, Brazil

Average rainfall days in January - Rio Claro, Brazil
  • Average rainfall days in January: 25.9 days

The month with the highest number of rainy days is January (25.9 days).
The month with the least rainy days is August (5.9 days).

[Resources]

Average daylight in January /
Average sunshine in January
Rio Claro, Brazil

Average daylight in January / Average sunshine in January - Rio Claro, Brazil
  • Average daylight in January: 13h and 2min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in January: 7h and 1min

The month with the most sunshine is September (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

[Resources]

Average sunshine days in January
Rio Claro, Brazil

Average sunshine days in January - Rio Claro, Brazil
  • Average sunshine days in January: 4.3 days

The month with the most sunshine days is August (24.6 days).
The month with the least sunshine days is January (4.3 days).

[Resources]

Average UV index in January
Rio Claro, Brazil

Average UV index in January - Rio Claro, Brazil
  • Average UV index in January: 6

The months with the highest UV index are January, February, March, August, September, October and November (UV index 6).
The months with the lowest UV index are April, May, June, July and December (UV index 5).

[Resources]

Average cloud cover in January
Rio Claro, Brazil

Average cloud cover in January - Rio Claro, Brazil
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 20).

[Resources]

Average visibility in January
Rio Claro, Brazil

Average visibility in January - Rio Claro, Brazil
  • Average visibility in January: 7km

The months with the highest visibility are July, August, September, October and November (9km).
The months with the lowest visibility are January, March, April and May (7km).

[Resources]

Rio Claro, Brazil

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location