January weather forecast
Rio do Meio, Brazil

January

Weather in January

January, like December, in Rio do Meio, Brazil, is another warm summer month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 18.8°C (65.8°F).

Temperature

January's weather records an average high-temperature of a still warm 29.3°C (84.7°F), showing little deviation from December. Rio do Meio sees an average low-temperature of 18.8°C (65.8°F) during January.

Heat index

During January, the heat index is appraised at a sweltering 36°C (96.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it's vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. With higher relative humidity, the rate of evaporation is reduced, resulting in increased heat retention in the body compared to drier air. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

The average relative humidity in January is 83%.

Rainfall

In Rio do Meio, in January, it is raining for 15.9 days, with typically 42mm (1.65") of accumulated precipitation. In Rio do Meio, during the entire year, the rain falls for 209.2 days and collects up to 561mm (22.09") of precipitation.

Daylight

In January, the average length of the day is 12h and 54min.
On the first day of the month, sunrise is at 05:13 and sunset at 18:13. On the last day of January, sunrise is at 05:30 and sunset at 18:16 -03.

Sunshine

In January, the average sunshine is 8.2h.

UV index

The months with the highest UV index are January through April, August through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, the maximum UV index of 6 transforms into these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

Is it hot during January?
Rio do Meio in January has an average high-temperature of 29.3°C (84.7°F) and an average low-temperature of 18.8°C (65.8°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in January is appraised at 36°C (96.8°F).
What is the average humidity in January?
In January, the average relative humidity is 83%.
How many days does it rain in January?
In Rio do Meio, in January, it is raining for 15.9 days, with typically 42mm (1.65") of accumulated precipitation.
How many hours of daylight does Rio do Meio have in January?
In Rio do Meio, the average day length in January is 12h and 54min.
What time are sunrise and sunset in January?
In January, on the first day of the month, sunrise is at 05:13 and sunset at 18:13. On the last day of the month, sunrise is at 05:30 and sunset at 18:16 -03.
How long on average sun shines in January?
In January, the average sunshine duration is 8.2h.
What is the month with the highest UV index?
January through April, August through December, with an average maximum UV index of 6, are months with the highest UV index.
How high is the UV index in January?
In January, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in January - Rio do Meio, Brazil
Average temperature in January
Rio do Meio, Brazil
  • Average high temperature in January: 29.3°C

The warmest month (with the highest average high temperature) is February (29.8°C).
The month with the lowest average high temperature is July (24.8°C).

  • Average low temperature in January: 18.8°C

The month with the highest average low temperature is March (19.3°C).
The coldest month (with the lowest average low temperature) is August (15.4°C).

Average pressure in January - Rio do Meio, Brazil
Average pressure in January
Rio do Meio, Brazil
  • Average pressure in January: 1013.9mbar

The month with the highest atmospheric pressure is July (1020mbar).
The month with the lowest atmospheric pressure is December (1013.1mbar).

Average wind speed in January - Rio do Meio, Brazil
Average wind speed in January
Rio do Meio, Brazil
  • Average wind speed in January: 6.4km/h

The windiest month (with the highest average wind speed) is October (8km/h).
The calmest months (with the lowest average wind speed) are March and April (5.6km/h).

Average humidity in January - Rio do Meio, Brazil
Average humidity in January
Rio do Meio, Brazil
  • Average humidity in January: 83%

The month with the highest relative humidity is May (87%).
The month with the lowest relative humidity is September (79%).

Average rainfall in January - Rio do Meio, Brazil
Average rainfall in January
Rio do Meio, Brazil
  • Average rainfall in January: 42mm

The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is September (19mm).

Average rainfall days in January - Rio do Meio, Brazil
Average rainfall days in January
Rio do Meio, Brazil
  • Average rainfall days in January: 15.9 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (12.7 days).

Average daylight in January / Average sunshine in January - Rio do Meio, Brazil
Average daylight in January /
Average sunshine in January
Rio do Meio, Brazil
  • Average daylight in January: 12h and 5min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 12min).

  • Average sunshine in January: 8h and 1min

The month with the most sunshine is February (Average sunshine: 8h and 18min).
The month with the least sunshine is June (Average sunshine: 4h and 48min).

Average sunshine days in January - Rio do Meio, Brazil
Average sunshine days in January
Rio do Meio, Brazil
  • Average sunshine days in January: 12.1 days

The months with the most sunshine days are January and February (12.1 days).
The month with the least sunshine days is July (5.3 days).

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

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

Average cloud cover in January - Rio do Meio, Brazil
Average cloud cover in January
Rio do Meio, Brazil
  • Average cloud cover in January: 63

The month with the most cloud cover is May (Cloud cover 70).
The month with the least cloud cover is September (Cloud cover 60).

Average visibility in January - Rio do Meio, Brazil
Average visibility in January
Rio do Meio, Brazil
  • Average visibility in January: 6km

The month with the highest visibility is October (7km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, November and December (6km).

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