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
The dawn of January sees an average high-temperature of a still moderately hot 27.8°C (82°F), subtly contrasting with December's 27.1°C (80.8°F). January nights are marked by an average low-temperature of 18.4°C (65.1°F).Heat index
The heat index for January is calculated to be a tropical 32°C (89.6°F). With extended exposure and activity, one might feel exhausted and experience heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.
Humidity
The average relative humidity in January in Porto Real is 84%.Rainfall
January is the month with the most rainfall. Rain falls for 27.8 days and accumulates 194mm (7.64") of precipitation.Daylight
The average length of the day in January is 13h and 19min.On the first day of the month, sunrise is at 05:16 and sunset at 18:45. On the last day of January, in Porto Real, sunrise is at 05:36 and sunset at 18:44 -03.
Sunshine
In January, the average sunshine is 7.6h.UV index
The months with the highest UV index are January, August and October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 6 in January, converts into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Porto Real in January?
What is the average humidity in January in Porto Real?
What is the wettest month in Porto Real?
How many days does it rain in January in Porto Real?
How many hours of daylight does Porto Real have in January?
What time are sunrise and sunset in January in Porto Real?
How many hours of sunshine does Porto Real have in January?
When is the highest UV index in Porto Real?
What is the UV index reading in January in Porto Real?
Average temperature in January
Porto Real, Brazil
- Average high temperature in January: 27.8°C
The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is July (22.3°C).
- Average low temperature in January: 18.4°C
The month with the highest average low temperature is January (18.4°C).
The coldest month (with the lowest average low temperature) is July (12.3°C).
Average pressure in January
Porto Real, Brazil
- Average pressure in January: 1013.5mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is December (1012.5mbar).
Average wind speed in January
Porto Real, Brazil
- Average wind speed in January: 5.2km/h
The windiest month (with the highest average wind speed) is September (6.3km/h).
The calmest month (with the lowest average wind speed) is March (4.9km/h).
Average humidity in January
Porto Real, Brazil
- Average humidity in January: 84%
The month with the highest relative humidity is April (88%).
The month with the lowest relative humidity is September (75%).
Average rainfall in January
Porto Real, Brazil
- Average rainfall in January: 194mm
The wettest month (with the highest rainfall) is January (194mm).
The driest month (with the least rainfall) is June (20mm).
Average rainfall days in January
Porto Real, Brazil
- Average rainfall days in January: 27.8 days
The month with the highest number of rainy days is January (27.8 days).
The month with the least rainy days is August (9.8 days).
Average daylight in January /
Average sunshine in January
Porto Real, 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 48min).
- Average sunshine in January: 7h and 4min
The month with the most sunshine is September (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in January
Porto Real, Brazil
- Average sunshine days in January: 1.4 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is December (1.1 days).
Average UV index in January
Porto Real, Brazil
- Average UV index in January: 6
The months with the highest UV index are January, August and October (UV index 6).
The months with the lowest UV index are February, March, April, May, June, July, September, November and December (UV index 5).
Average cloud cover in January
Porto Real, Brazil
- Average cloud cover in January: 51
The month with the most cloud cover is November (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Porto Real, Brazil
- Average visibility in January: 7km
The months with the highest visibility are August, September and October (8km).
The months with the lowest visibility are April and May (6km).
