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
Vilhena, Brazil, experiences an average high-temperature of a still warm 27.8°C (82°F) in January, marking an insignificant shift from 28.1°C (82.6°F) in December. Nighttime temperatures in January average to a pleasant 21°C (69.8°F) in Vilhena.Heat index
In January, the heat index is evaluated at a hot 33°C (91.4°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Take into consideration that the heat index values are calculated for shade and light wind conditions. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. 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 are highly important for children. 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.
Humidity
The average relative humidity in January in Vilhena is 89%.Rainfall
In Vilhena, during January, the rain falls for 29.8 days and regularly aggregates up to 241mm (9.49") of precipitation. In Vilhena, Brazil, during the entire year, the rain falls for 237.8 days and collects up to 1557mm (61.3") of precipitation.Daylight
In Vilhena, the average length of the day in January is 12h and 47min.On the first day of January, sunrise is at 05:38 and sunset at 18:29. On the last day of the month, sunrise is at 05:53 and sunset at 18:33 -04.
Sunshine
In Vilhena, the average sunshine in January is 6.5h.UV index
The months with the lowest UV index in Vilhena are January and February, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in January interprets into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Vilhena?
What is the average humidity in January in Vilhena?
How much does it rain in Vilhena in January?
How many hours of daylight does Vilhena have in January?
When is the sunrise / sunset in January in Vilhena?
How long on average sun shines in January in Vilhena?
What are the months with the lowest UV index in Vilhena?
How high is the UV index in January in Vilhena?
Average temperature in January
Vilhena, Brazil
- Average high temperature in January: 27.8°C
The warmest month (with the highest average high temperature) is September (34.1°C).
The month with the lowest average high temperature is February (27.3°C).
- Average low temperature in January: 21°C
The month with the highest average low temperature is October (21.4°C).
The coldest month (with the lowest average low temperature) is July (17.3°C).
Average pressure in January
Vilhena, Brazil
- Average pressure in January: 1010.6mbar
The month with the highest atmospheric pressure is July (1014.3mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in January
Vilhena, Brazil
- Average wind speed in January: 4.5km/h
The windiest month (with the highest average wind speed) is August (5.3km/h).
The calmest month (with the lowest average wind speed) is March (4km/h).
Average humidity in January
Vilhena, Brazil
- Average humidity in January: 89%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is August (49%).
Average rainfall in January
Vilhena, Brazil
- Average rainfall in January: 241mm
The wettest month (with the highest rainfall) is December (266mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in January
Vilhena, Brazil
- Average rainfall days in January: 29.8 days
The month with the highest number of rainy days is January (29.8 days).
The month with the least rainy days is July (3.6 days).
Average daylight in January /
Average sunshine in January
Vilhena, Brazil
- Average daylight in January: 12h and 5min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in January: 6h and 3min
The months with the most sunshine are September and October (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).
Average sunshine days in January
Vilhena, Brazil
- Average sunshine days in January: 1 days
The month with the most sunshine days is July (27.2 days).
The month with the least sunshine days is February (0.5 days).
Average UV index in January
Vilhena, Brazil
- Average UV index in January: 5
The months with the highest UV index are August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover in January
Vilhena, Brazil
- Average cloud cover in January: 70
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in January
Vilhena, Brazil
- Average visibility in January: 6km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March and December (6km).
