January weather forecast
Rio Uaçá, Brazil

englishespañol中文
Share

Weather in January

January, the same as December, is another warm winter month in Rio Uaçá, Brazil, with an average temperature fluctuating between 22.1°C (71.8°F) and 28.3°C (82.9°F).

Temperature

Rio Uaçá's January showcases an average high-temperature of a still warm 28.3°C (82.9°F), hardly distinct from December's 29.9°C (85.8°F). During January, the temperature in Rio Uaçá tends to dip to an average of 22.1°C (71.8°F) at night.

Heat index

The heat index value for January is estimated at a hot 34°C (93.2°F). Implement heightened safety measures - risk of heat exhaustion and heat cramps is increased. Prolonged activity may result in heatstroke.
Understanding the heat index involves considering values for shaded locales with light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.

Humidity

The average relative humidity in January in Rio Uaçá, Brazil, is 88%.

Rainfall

In January, the rain falls for 28.6 days. Throughout January, 126mm (4.96") of precipitation is accumulated. In Rio Uaçá, Brazil, during the entire year, the rain falls for 280.4 days and collects up to 1281mm (50.43") of precipitation.

Daylight

The average length of the day in January in Rio Uaçá is 11h and 56min.
On the first day of January, sunrise is at 06:31 and sunset at 18:26. On the last day of the month, sunrise is at 06:39 and sunset at 18:37 -03.

Sunshine

In January, the average sunshine is 5.2h.

UV index

The months with the lowest UV index in Rio Uaçá are January through June and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In January, a regular UV index of 6 translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.

Frequently asked questions

How hot does it get in Rio Uaçá in January?

The average high-temperature and low-temperature during January are 28.3°C (82.9°F) and 22.1°C (71.8°F) respectively. In January, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 34°C (93.2°F).

What is the average humidity in January in Rio Uaçá?

In January, the average relative humidity in Rio Uaçá is 88%.

How much does it rain in Rio Uaçá in January?

In Rio Uaçá, in January, during 28.6 rainfall days, 126mm (4.96") of precipitation is typically accumulated.

How many hours of daylight does Rio Uaçá have in January?

In Rio Uaçá, Brazil, the average day length in January is 11h and 56min.

When is the sunrise / sunset in January in Rio Uaçá?

On the first day of January, sunrise is at 06:31 and sunset at 18:26. On the last day of the month, sunrise is at 06:39 and sunset at 18:37 -03.

How many hours of sunshine does Rio Uaçá have in January?

In Rio Uaçá, Brazil, the average sunshine duration in January is 5.2h.

What is the month with the lowest UV index in Rio Uaçá?

The months with the lowest UV index in Rio Uaçá are January through June and December, with an average maximum UV index of 6.

What is the UV index reading in January in Rio Uaçá?

In January, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to Sun's UV rays.

Average temperature in January
Rio Uaçá, Brazil

Average temperature in January - Rio Uaçá, Brazil
  • Average high temperature in January: 28.3°C

The warmest month (with the highest average high temperature) is October (33.9°C).
The month with the lowest average high temperature is February (27.8°C).

  • Average low temperature in January: 22.1°C

The month with the highest average low temperature is April (22.5°C).
The coldest month (with the lowest average low temperature) is July (21.5°C).

Average pressure in January
Rio Uaçá, Brazil

Average pressure in January - Rio Uaçá, Brazil
  • Average pressure in January: 1011.7mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

Average wind speed in January
Rio Uaçá, Brazil

Average wind speed in January - Rio Uaçá, Brazil
  • Average wind speed in January: 5.7km/h

The windiest month (with the highest average wind speed) is October (6.2km/h).
The calmest month (with the lowest average wind speed) is June (4.3km/h).

Average humidity in January
Rio Uaçá, Brazil

Average humidity in January - Rio Uaçá, Brazil
  • Average humidity in January: 88%

The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).

Average rainfall in January
Rio Uaçá, Brazil

Average rainfall in January - Rio Uaçá, Brazil
  • Average rainfall in January: 126mm

The wettest month (with the highest rainfall) is May (215mm).
The driest month (with the least rainfall) is October (20mm).

Average rainfall days in January
Rio Uaçá, Brazil

Average rainfall days in January - Rio Uaçá, Brazil
  • Average rainfall days in January: 28.6 days

The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is October (10.9 days).

Average daylight in January /
Average sunshine in January
Rio Uaçá, Brazil

Average daylight in January / Average sunshine in January - Rio Uaçá, Brazil
  • Average daylight in January: 11h and 5min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in January
Rio Uaçá, Brazil

Average sunshine days in January - Rio Uaçá, Brazil
  • Average sunshine days in January: 1.5 days

The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is April (0.5 days).

Average UV index in January
Rio Uaçá, Brazil

Average UV index in January - Rio Uaçá, Brazil
  • Average UV index in January: 6

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

Average cloud cover in January
Rio Uaçá, Brazil

Average cloud cover in January - Rio Uaçá, Brazil
  • Average cloud cover in January: 70

The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is October (Cloud cover 45).

Average visibility in January
Rio Uaçá, Brazil

Average visibility in January - Rio Uaçá, Brazil
  • Average visibility in January: 6km

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

Rio Uaçá, Brazil

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location