January weather forecastChaval, Brazil

January

Weather in January

January, the same as December, in Chaval, Brazil, is another tropical summer month, with an average temperature varying between 31.5°C (88.7°F) and 23.5°C (74.3°F).

Temperature

January's arrival shows an average high-temperature of a still tropical 31.5°C (88.7°F), hardly different from the previous month. Throughout January, Chaval records an average temperature of 23.5°C (74.3°F) at night.

Heat index

In January, the heat index is computed to be a blistering 41°C (105.8°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiration is essential for the human body; it facilitates cooling through the process of sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In Chaval, the average relative humidity in January is 76%.

Rainfall

In Chaval, in January, it is raining for 17.3 days, with typically 93mm (3.66") of accumulated precipitation. Throughout the year, there are 141.3 rainfall days, and 549mm (21.61") of precipitation is accumulated.

Daylight

In January, the average length of the day in Chaval is 12h and 16min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:57. On the last day of January, sunrise is at 05:50 and sunset at 18:05 -03.

Sunshine

In January, the average sunshine is 8.1h.

UV index

With an average maximum UV index of 6, January is the month with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 6 in January leads to these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

The high-temperature, in January, in Chaval, is 31.5°C (88.7°F), while the low-temperature averages to 23.5°C (74.3°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in January is computed to be 41°C (105.8°F).

The average relative humidity in January is 76%.

In Chaval, Brazil, in January, it is raining for 17.3 days, with typically 93mm (3.66") of accumulated precipitation.

In January, the average day length is 12h and 16min.

In January, on the first day of the month, sunrise is at 05:39 and sunset at 17:57. On the last day of the month, sunrise is at 05:50 and sunset at 18:05 -03.

In January, the average sunshine duration is 8.1h.

January is the month with the lowest UV index, with an average maximum UV index of 6.

In January, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Chaval, Brazil

  • Average high temperature in January: 31.5°C

The warmest month (with the highest average high temperature) is October (34.8°C).
The month with the lowest average high temperature is April (30.5°C).

  • Average low temperature in January: 23.5°C

The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is July (22°C).

Average pressure in January
Chaval, Brazil

  • Average pressure in January: 1010.9mbar

The month with the highest atmospheric pressure is July (1013.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

Average wind speed in January
Chaval, Brazil

  • Average wind speed in January: 14.9km/h

The windiest month (with the highest average wind speed) is October (20.9km/h).
The calmest month (with the lowest average wind speed) is April (11.4km/h).

Average humidity in January
Chaval, Brazil

  • Average humidity in January: 76%

The month with the highest relative humidity is April (84%).
The months with the lowest relative humidity are September and October (62%).

Average rainfall in January
Chaval, Brazil

  • Average rainfall in January: 93mm

The wettest month (with the highest rainfall) is March (118mm).
The driest month (with the least rainfall) is September (1mm).

Average rainfall days in January
Chaval, Brazil

  • Average rainfall days in January: 17.3 days

The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is September (2.5 days).

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

  • Average daylight in January: 12h and 18min

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).

  • Average sunshine in January: 8h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is March (Average sunshine: 6h and 54min).

Average sunshine days in January
Chaval, Brazil

  • Average sunshine days in January: 11.3 days

The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is April (7.7 days).

Average UV index in January
Chaval, Brazil

  • Average UV index in January: 6

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

Average cloud cover in January
Chaval, Brazil

  • Average cloud cover in January: 46

The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 19).

Average visibility in January
Chaval, Brazil

  • Average visibility in January: 9km

The months with the highest visibility are July, August, September, October, November and December (10km).
The months with the lowest visibility are April and May (8km).