Boa Vista
Brazil
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Boa Vista, Brazil

January, the same as December, in Boa Vista, Brazil, is another hot winter month, with temperature in the range of an average high of 33°C (91.4°F) and an average low of 23°C (73.4°F).

Temperature

In January, the average high-temperature remains the same as in December - a still hot 33°C (91.4°F). In January, the average low-temperature is 23°C (73.4°F).

Rainfall

In January, the rain falls for 10 days. Throughout January, 29mm (1.1") of precipitation is accumulated. Throughout the year, in Boa Vista, Brazil, there are 184 rainfall days, and 1639mm (64.5") of precipitation is accumulated.

Daylight

January, February, November and December, with an average of 12h of daylight, are months with the shortest days in Boa Vista.

Sunshine

Months with the most sunshine are January through April, September through November, with an average of 8h of sunshine.

UV index

January through May, July through December, with an average maximum UV index of 12, are months with the highest UV index. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 12 in January transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in January in Boa Vista?

In Boa Vista, in January, the average high-temperature is 33°C (91.4°F), and the average low-temperature is 23°C (73.4°F).

How much does it rain in Boa Vista in January?

In January, in Boa Vista, the rain falls for 10 days. Throughout January, 29mm (1.1") of precipitation is accumulated.

What is the month with the shortest days in Boa Vista?

January, February, November and December, with an average of 12h of daylight, are months with the shortest days in Boa Vista, Brazil.

What is the average length of the day in January in Boa Vista?

In January, the average length of the day is 12h.

What is the month with the most sunshine in Boa Vista?

Months with the most sunshine in Boa Vista, Brazil, are January through April, September through November, with an average of 8h of sunshine.

How many hours of sunshine does Boa Vista have in January?

In Boa Vista, Brazil, the average sunshine in January is 8h.

What are the months with the highest UV index in Boa Vista?

Months with the highest UV index in Boa Vista, Brazil, are January through May, July through December, with an average maximum UV index of 12.

What is the UV index reading in January in Boa Vista?

In Boa Vista, Brazil, the average daily maximum UV index in January is 12. A UV Index reading of 11, and higher, represents an extreme health threat from the exposure to the Sun's UV radiation.
Average temperature in January - Boa Vista, Brazil
  • Average high temperature in January: 33°C

The warmest month (with the highest average high temperature) is October (34°C).
Months with the lowest average high temperature are June and July (30°C).

  • Average low temperature in January: 23°C

Months with the highest average low temperature are January, February, March, April, May, September, October, November and December (23°C).
Coldest months (with the lowest average low temperature) are June, July and August (22°C).

Average rainfall in January - Boa Vista, Brazil
  • Average rainfall in January: 29mm

The wettest month (with the highest rainfall) is June (347mm).
The driest month (with the lowest rainfall) is February (27mm).

Average rainfall days in January - Boa Vista, Brazil
  • Average rainfall days in January: 10 days

The month with the highest number of rainy days is June (28 days).
The month with the lowest number of rainy days is February (7 days).

Average daylight in January / Average sunshine in January - Boa Vista, Brazil
  • Average daylight in January: 12h

Months with the longest days are May, June and July (Average daylight: 12.3h).
Months with shortest days are January, February, November and December (Average daylight: 12h).

  • Average sunshine in January: 8h

Months with most sunshine are January, February, March, April, September, October and November (Average sunshine: 8h).
Months with least sunshine are May, June, July, August and December (Average sunshine: 7).

Average UV index in January - Boa Vista, Brazil
  • Average UV index in January: 12

Months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 11).