Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
January
Weather in January
Temperature
January's climate reveals an average high-temperature of a still hot 30°C (86°F), consistent with December. The nights of January anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 25°C (77°F).Heat index
The average heat index in January is appraised at a torrid 36°C (96.8°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. 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 extremely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Accumulating heat beyond the body's cooling measures leads to rising temperatures and potential ailments.
Humidity
The months with the lowest humidity are January through March and December, with an average relative humidity of 73%.Rainfall
In Atalaia Velha, during January, the rain falls for 13 days and regularly aggregates up to 24mm (0.94") of precipitation. In Atalaia Velha, during the entire year, the rain falls for 197.6 days and collects up to 586mm (23.07") of precipitation.Daylight
In Atalaia Velha, Brazil, the average length of the day in January is 12h and 41min.On the first day of the month, sunrise is at 05:08 and sunset at 17:54. On the last day of January, sunrise is at 05:24 and sunset at 17:59 -03.
Sunshine
In Atalaia Velha, the average sunshine in January is 8.3h.UV index
The months with the highest UV index in Atalaia Velha are January through May, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 7 in January leads to these guidelines:
Guard against overexposure. Protection from sun-induced harm is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during January?
What is the least humid month in Atalaia Velha?
What is the average humidity in January?
How much does it rain in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Atalaia Velha have in January?
What are the months with the highest UV index in Atalaia Velha?
What is the UV index reading in January?
Average temperature in January
Atalaia Velha, Brazil
- Average high temperature in January: 30°C
The warmest month (with the highest average high temperature) is March (30.8°C).
The months with the lowest average high temperature are July and August (26.5°C).
- Average low temperature in January: 25°C
The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is September (22.7°C).
Average pressure in January
Atalaia Velha, Brazil
- Average pressure in January: 1012.5mbar
The month with the highest atmospheric pressure is August (1017.4mbar).
The month with the lowest atmospheric pressure is March (1011.9mbar).
Average wind speed in January
Atalaia Velha, Brazil
- Average wind speed in January: 16.9km/h
The windiest month (with the highest average wind speed) is November (18.8km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).
Average humidity in January
Atalaia Velha, Brazil
- Average humidity in January: 73%
The months with the highest relative humidity are June and July (79%).
The months with the lowest relative humidity are January, February, March and December (73%).
Average rainfall in January
Atalaia Velha, Brazil
- Average rainfall in January: 24mm
The wettest month (with the highest rainfall) is July (96mm).
The driest month (with the least rainfall) is November (19mm).
Average rainfall days in January
Atalaia Velha, Brazil
- Average rainfall days in January: 13 days
The month with the highest number of rainy days is July (24.9 days).
The month with the least rainy days is March (10.6 days).
Average daylight in January /
Average sunshine in January
Atalaia Velha, Brazil
- Average daylight in January: 12h and 4min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in January: 8h and 2min
The month with the most sunshine is March (Average sunshine: 8h and 24min).
The month with the least sunshine is October (Average sunshine: 7h and 30min).
Average sunshine days in January
Atalaia Velha, Brazil
- Average sunshine days in January: 14.8 days
The month with the most sunshine days is March (19 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in January
Atalaia Velha, Brazil
- Average UV index in January: 7
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover in January
Atalaia Velha, Brazil
- Average cloud cover in January: 36
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 35).
Average visibility in January
Atalaia Velha, Brazil
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
