January weather forecast
Aracatu, Brazil

January

Weather in January

January, like December, in Aracatu, Brazil, is a moderately hot summer month, with an average temperature fluctuating between 19.2°C (66.6°F) and 29.7°C (85.5°F).

Temperature

Aracatu's shift into January sets the average high-temperature at a still warm 29.7°C (85.5°F), a figure that deviates only slightly from December's 29.5°C (85.1°F). During January, Aracatu consistently records a temperature low averaging a refreshing 19.2°C (66.6°F).

Heat index

January's average heat index is computed to be a torrid 36°C (96.8°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The average relative humidity in January in Aracatu is 76%.

Rainfall

In January, in Aracatu, the rain falls for 17.8 days. Throughout January, 75mm (2.95") of precipitation is accumulated. Throughout the year, in Aracatu, there are 157.3 rainfall days, and 574mm (22.6") of precipitation is accumulated.

Daylight

In January, the average length of the day is 12h and 52min.
On the first day of the month, sunrise is at 05:20 and sunset at 18:18. On the last day of January, in Aracatu, Brazil, sunrise is at 05:37 and sunset at 18:21 -03.

Sunshine

In Aracatu, the average sunshine in January is 9.2h.

UV index

The average daily maximum UV index in January is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In January, a daily UV index of 6 turns into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

How hot is January in Aracatu?
In January, in Aracatu, the average high-temperature is 29.7°C (85.5°F), and the average low-temperature is 19.2°C (66.6°F). In January, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 36°C (96.8°F).
What is the average humidity in January in Aracatu?
In January, the average relative humidity in Aracatu is 76%.
How much does it rain in Aracatu in January?
In Aracatu, in January, it is raining for 17.8 days, with typically 75mm (2.95") of accumulated precipitation.
How many hours of daylight does Aracatu have in January?
In Aracatu, Brazil, the average day length in January is 12h and 52min.
What time are sunrise and sunset in January in Aracatu?
In January, on the first day of the month, sunrise is at 05:20 and sunset at 18:18. On the last day of the month, in Aracatu, Brazil, sunrise is at 05:37 and sunset at 18:21 -03.
How long on average sun shines in January in Aracatu?
In Aracatu, the average sunshine duration in January is 9.2h.
What is the UV index reading in January in Aracatu?
In Aracatu, Brazil, the average daily maximum UV index in January is 6. A UV Index reading of 6 to 7 represents a high health risk from 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
Aracatu, Brazil
  • Average high temperature in January: 29.7°C

The warmest month (with the highest average high temperature) is October (30.7°C).
The month with the lowest average high temperature is July (26.5°C).

  • Average low temperature in January: 19.2°C

The month with the highest average low temperature is October (19.9°C).
The coldest month (with the lowest average low temperature) is July (16.9°C).

Average pressure in January
Aracatu, Brazil
  • Average pressure in January: 1013.8mbar

The month with the highest atmospheric pressure is July (1019.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

Average wind speed in January
Aracatu, Brazil
  • Average wind speed in January: 9km/h

The windiest month (with the highest average wind speed) is September (12.8km/h).
The calmest month (with the lowest average wind speed) is April (7.9km/h).

Average humidity in January
Aracatu, Brazil
  • Average humidity in January: 76%

The month with the highest relative humidity is April (77%).
The month with the lowest relative humidity is September (60%).

Average rainfall in January
Aracatu, Brazil
  • Average rainfall in January: 75mm

The wettest month (with the highest rainfall) is December (102mm).
The driest month (with the least rainfall) is August (3mm).

Average rainfall days in January
Aracatu, Brazil
  • Average rainfall days in January: 17.8 days

The month with the highest number of rainy days is March (19.6 days).
The month with the least rainy days is August (5.3 days).

Average daylight in January /
Average sunshine in January
Aracatu, 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 18min).

  • Average sunshine in January: 9h and 1min

The month with the most sunshine is February (Average sunshine: 9h and 24min).
The month with the least sunshine is June (Average sunshine: 5h and 48min).

Average sunshine days in January
Aracatu, Brazil
  • Average sunshine days in January: 10.1 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is February (7.4 days).

Average UV index in January
Aracatu, Brazil
  • Average UV index in January: 6

The month with the highest UV index is September (UV index 7).
The month with the lowest UV index is June (UV index 5).

Average cloud cover in January
Aracatu, Brazil
  • Average cloud cover in January: 45

The month with the most cloud cover is April (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in January
Aracatu, Brazil
  • Average visibility in January: 8km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April and December (8km).

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