January weather forecastMendonça, Brazil

January

Weather in January

January, the same as December, is another warm summer month in Mendonça, Brazil, with an average temperature varying between 29°C (84.2°F) and 20.7°C (69.3°F).

Temperature

The onset of January manifests an average high-temperature of a still moderately hot 29°C (84.2°F), demonstrating a minor variation from the preceding month. Nighttime temperatures in January average to an agreeable 20.7°C (69.3°F).

Heat index

The heat index in January is evaluated at a very hot 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.

Humidity

In Mendonça, the average relative humidity in January is 84%.

Rainfall

January is the month with the most rainfall. Rain falls for 29.6 days and accumulates 224mm (8.82") of precipitation.

Daylight

In January, the average length of the day is 13h and 15min.
On the first day of the month, sunrise is at 05:39 and sunset at 19:03. On the last day of January, sunrise is at 05:59 and sunset at 19:03 -03.

Sunshine

With an average of 7h of sunshine, January has the least sunshine of the year.

UV index

The months with the highest UV index are January, March through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 6 in January translates into the following instructions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Enhance your sun protection with tightly woven, yet airy clothing.

Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in January, in Mendonça, records 29°C (84.2°F), while the low-temperature is 20.7°C (69.3°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in January is evaluated at 36°C (96.8°F).

The average relative humidity in January in Mendonça is 84%.

January is the month with the most rainfall. Rain falls for 29.6 days and accumulates 224mm (8.82") of precipitation.

In Mendonça, during January, the rain falls for 29.6 days and regularly aggregates up to 224mm (8.82") of precipitation.

In Mendonça, the average day length in January is 13h and 15min.

In January, on the first day of the month, sunrise is at 05:39 and sunset at 19:03. On the last day of the month, sunrise is at 05:59 and sunset at 19:03 -03.

The month with the least sunshine is January, with an average of 7h of sunshine.

The average sunshine duration in January is 7h.

January, March through December, with an average maximum UV index of 6, are months with the highest UV index.

The average daily maximum UV index in January is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

29.8°C

29°C

29.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.7km/h

8.2km/h

7.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

1.6

1.1

1.3

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Mendonça, Brazil

Average high temperature in January: 29°C

The warmest month (with the highest average high temperature) is September (32.2°C).
The month with the lowest average high temperature is June (25.3°C).

Average low temperature in January: 20.7°C

The month with the highest average low temperature is December (21.2°C).
The coldest month (with the lowest average low temperature) is June (15.5°C).

Average pressure in January
Mendonça, Brazil

Average pressure in January: 1011.1mbar

The month with the highest atmospheric pressure is July (1017.9mbar).
The months with the lowest atmospheric pressure are November and December (1010mbar).

Average wind speed in January
Mendonça, Brazil

Average wind speed in January: 7.4km/h

The windiest months (with the highest average wind speed) are August and September (10km/h).
The calmest month (with the lowest average wind speed) is February (6.9km/h).

Average humidity in January
Mendonça, Brazil

Average humidity in January: 84%

The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (52%).

Average rainfall in January
Mendonça, Brazil

Average rainfall in January: 224mm

The wettest month (with the highest rainfall) is January (224mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in January
Mendonça, Brazil

Average rainfall days in January: 29.6 days

The month with the highest number of rainy days is January (29.6 days).
The month with the least rainy days is August (3.3 days).

Average daylight in January /
Average sunshine in January
Mendonça, Brazil

Average daylight in January: 13h and 12min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

Average sunshine in January: 7h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).

Average sunshine days in January
Mendonça, Brazil

Average sunshine days in January: 1.1 days

The month with the most sunshine days is August (26.9 days).
The month with the least sunshine days is January (1.1 days).

Average UV index in January
Mendonça, Brazil

Average UV index in January: 6

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