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
Weather in January
Temperature
In January, the average high-temperature registers at a tropical 30.3°C (86.5°F), nearly identical to December's 29.1°C (84.4°F). Restinga de Jacarepagua records a consistent low-temperature of 23.3°C (73.9°F) during January nights.Heat index
The average heat index in January is calculated to be a torrid 38°C (100.4°F). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.Remember that heat index calculations are made for conditions in the shade with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. 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 hold great significance to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
In Restinga de Jacarepagua, the average relative humidity in January is 79%.Rainfall
In Restinga de Jacarepagua, in January, during 17.3 rainfall days, 64mm (2.52") of precipitation is typically accumulated. In Restinga de Jacarepagua, during the entire year, the rain falls for 172 days and collects up to 543mm (21.38") of precipitation.Daylight
The average length of the day in January is 13h and 22min.On the first day of January in Restinga de Jacarepagua, Brazil, sunrise is at 05:11 and sunset at 18:42. On the last day of the month, sunrise is at 05:32 and sunset at 18:41 -03.
Sunshine
In January, the average sunshine in Restinga de Jacarepagua is 8.4h.UV index
January and December, with an average maximum UV index of 7, are months with the highest UV index in Restinga de Jacarepagua. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In January, the maximum UV index of 7 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
How hot is it in Restinga de Jacarepagua in January?
What is the average humidity in January in Restinga de Jacarepagua?
How many days does it rain in January in Restinga de Jacarepagua?
How many hours of daylight does Restinga de Jacarepagua have in January?
When are sunrise and sunset in January in Restinga de Jacarepagua?
How long on average sun shines in January in Restinga de Jacarepagua?
What is the month with the highest UV index in Restinga de Jacarepagua?
What is the UV index intensity in January in Restinga de Jacarepagua?
Average temperature in January
Restinga de Jacarepagua, Brazil
- Average high temperature in January: 30.3°C
The warmest month (with the highest average high temperature) is February (30.6°C).
The month with the lowest average high temperature is July (24.5°C).
- Average low temperature in January: 23.3°C
The month with the highest average low temperature is January (23.3°C).
The coldest month (with the lowest average low temperature) is August (18°C).
Average pressure in January
Restinga de Jacarepagua, Brazil
- Average pressure in January: 1012.7mbar
The month with the highest atmospheric pressure is July (1020.4mbar).
The month with the lowest atmospheric pressure is December (1011.9mbar).
Average wind speed in January
Restinga de Jacarepagua, Brazil
- Average wind speed in January: 8.2km/h
The windiest months (with the highest average wind speed) are August and September (10.2km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).
Average humidity in January
Restinga de Jacarepagua, Brazil
- Average humidity in January: 79%
The month with the highest relative humidity is November (82%).
The month with the lowest relative humidity is August (77%).
Average rainfall in January
Restinga de Jacarepagua, Brazil
- Average rainfall in January: 64mm
The wettest month (with the highest rainfall) is February (75mm).
The driest months (with the least rainfall) are June and August (23mm).
Average rainfall days in January
Restinga de Jacarepagua, Brazil
- Average rainfall days in January: 17.3 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (9.4 days).
Average daylight in January /
Average sunshine in January
Restinga de Jacarepagua, Brazil
- Average daylight in January: 13h and 2min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 42min).
- Average sunshine in January: 8h and 2min
The month with the most sunshine is February (Average sunshine: 8h and 36min).
The months with the least sunshine are October and November (Average sunshine: 7h and 12min).
Average sunshine days in January
Restinga de Jacarepagua, Brazil
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is August (19.2 days).
The month with the least sunshine days is March (8.2 days).
Average UV index in January
Restinga de Jacarepagua, Brazil
- Average UV index in January: 7
The months with the highest UV index are January and December (UV index 7).
The months with the lowest UV index are February, March, April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in January
Restinga de Jacarepagua, Brazil
- Average cloud cover in January: 36
The month with the most cloud cover is November (Cloud cover 49).
The month with the least cloud cover is February (Cloud cover 31).
Average visibility in January
Restinga de Jacarepagua, Brazil
- Average visibility in January: 9km
The months with the highest visibility are February, May, June and August (10km).
The months with the lowest visibility are January, March, April, July, September, October, November and December (9km).
Restinga de Jacarepagua, Brazil
Weather forecast for your location
2. Allow the app to use your location
