Climate and monthly weather forecastRio Uaçá, Brazil
Climate and monthly weather forecast
Weather in January
January, like December, in Rio Uaçá, Brazil, is another warm winter month, with temperature in the range of an average low of 22.1°C (71.8°F) and an average high of 28.3°C (82.9°F). At the start of January, Rio Uaçá's average high-temperature reaches a still warm 28.3°C (82.9°F), subtly different from the preceding month. Weather in January »Weather in February
February, the last month of the winter in Rio Uaçá, is also a moderately hot month, with an average temperature ranging between max 27.8°C (82°F) and min 22.3°C (72.1°F). During the coldest month, February, temperatures average a high of 27.8°C (82°F) and a low of 22.3°C (72.1°F). The heat index value during February is calculated to be a tropical 33°C (91.4°F). Weather in February »Weather in March
The first month of the spring, March, is also a moderately hot month in Rio Uaçá, Brazil, with an average temperature ranging between max 28.8°C (83.8°F) and min 22.3°C (72.1°F). The beginning of March reveals an average high-temperature of a still moderately hot 28.8°C (83.8°F), showing minimal deviation from the previous month. Weather in March »Weather in April
April, like March, in Rio Uaçá, Brazil, is another warm spring month, with an average temperature varying between 28.7°C (83.7°F) and 22.5°C (72.5°F). Upon the onset of April, Rio Uaçá witnesses an average high-temperature of a still moderately hot 28.7°C (83.7°F), showing a close resemblance to the prior month. Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Rio Uaçá, Brazil, with an average temperature fluctuating between 28.8°C (83.8°F) and 22.3°C (72.1°F). With the transition into May, Rio Uaçá notes an average high-temperature of a still moderately hot 28.8°C (83.8°F), closely resembling April. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Rio Uaçá, Brazil, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 29.3°C (84.7°F). Rio Uaçá notes an average high-temperature of a still moderately hot 29.3°C (84.7°F) in June, hardly diverging from May. Weather in June »Weather in July
July in Rio Uaçá, Brazil, is a tropical summer month, with an average temperature varying between 30.3°C (86.5°F) and 21.5°C (70.7°F). The average high-temperature during July registers at a hot 30.3°C (86.5°F), maintaining a close resemblance to the previous month. Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Rio Uaçá, Brazil, with an average temperature fluctuating between 32.3°C (90.1°F) and 21.9°C (71.4°F). The advent of August brings an average high-temperature of a still hot 32.3°C (90.1°F), exhibiting minor difference from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is also a hot month in Rio Uaçá, Brazil, with an average temperature varying between 22°C (71.6°F) and 33.6°C (92.5°F). Rio Uaçá's entry into September measures an average high-temperature of a still hot 33.6°C (92.5°F), closely parallel to the preceding month. Weather in September »Weather in October
October, like September, is another hot autumn month in Rio Uaçá, Brazil, with an average temperature fluctuating between 33.9°C (93°F) and 22.2°C (72°F). The temperatures reach their highest averages in October, with highs of 33.9°C (93°F) and lows of 22.2°C (72°F). In October, the average heat index is calculated to be a burning hot 49°C (120.2°F). Weather in October »Weather in November
The last month of the autumn, November, is another hot month in Rio Uaçá, Brazil, with an average temperature varying between 33.1°C (91.6°F) and 22.2°C (72°F). November's advent notes a subtle adjustment in average high-temperature to a still hot 33.1°C (91.6°F) from October. Weather in November »Weather in December
December, the first month of the winter in Rio Uaçá, is still a warm month, with an average temperature ranging between min 22.1°C (71.8°F) and max 29.9°C (85.8°F). The onset of December results in a small decrease in the average high-temperature, moderately receding from a tropical 33.1°C (91.6°F) in November to a moderately hot 29.9°C (85.8°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rio Uaçá, Brazil
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).
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
Rio Uaçá, Brazil
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1011.8mbar - Average pressure in April:
1011.8mbar - Average pressure in May:
1012.3mbar - Average pressure in June:
1013.1mbar
- Average pressure in July:
1013.2mbar - Average pressure in August:
1012.8mbar - Average pressure in September:
1012.1mbar - Average pressure in October:
1010.7mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.8mbar
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
Rio Uaçá, Brazil
- Average wind speed in January:
5.7km/h - Average wind speed in February:
5.8km/h - Average wind speed in March:
5.9km/h - Average wind speed in April:
5.3km/h - Average wind speed in May:
4.8km/h - Average wind speed in June:
4.3km/h
- Average wind speed in July:
4.6km/h - Average wind speed in August:
5.4km/h - Average wind speed in September:
6.1km/h - Average wind speed in October:
6.2km/h - Average wind speed in November:
6km/h - Average wind speed in December:
5.6km/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
Rio Uaçá, Brazil
The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).
Average rainfall
Rio Uaçá, Brazil
- Average rainfall in January:
126mm - Average rainfall in February:
120mm - Average rainfall in March:
113mm - Average rainfall in April:
168mm - Average rainfall in May:
215mm - Average rainfall in June:
143mm
The wettest month (with the highest rainfall) is May (215mm).
The driest month (with the least rainfall) is October (20mm).
Average rainfall days
Rio Uaçá, Brazil
- Average rainfall days in January:
28.6 days - Average rainfall days in February:
27.2 days - Average rainfall days in March:
29.7 days - Average rainfall days in April:
28.7 days - Average rainfall days in May:
29.8 days - Average rainfall days in June:
27.2 days
- Average rainfall days in July:
26.3 days - Average rainfall days in August:
18.8 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
16.1 days - Average rainfall days in December:
25.3 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 / Average sunshine
Rio Uaçá, Brazil
- Average daylight in January:
11h and 54min - Average daylight in February:
12h and 0min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 12min - Average daylight in May:
12h and 18min - Average daylight in June:
12h and 18min
- Average daylight in July:
12h and 18min - Average daylight in August:
12h and 12min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 0min - Average daylight in November:
12h and 0min - Average daylight in December:
11h and 54min
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 12min - Average sunshine in February:
4h and 0min - Average sunshine in March:
4h and 36min - Average sunshine in April:
4h and 54min - Average sunshine in May:
5h and 36min - Average sunshine in June:
6h and 48min
- Average sunshine in July:
7h and 30min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 48min - Average sunshine in October:
8h and 42min - Average sunshine in November:
8h and 0min - Average sunshine in December:
6h and 0min
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
Rio Uaçá, Brazil
- Average sunshine days in January:
1.5 days - Average sunshine days in February:
0.6 days - Average sunshine days in March:
0.6 days - Average sunshine days in April:
0.5 days - Average sunshine days in May:
0.8 days - Average sunshine days in June:
1.4 days
- Average sunshine days in July:
2.8 days - Average sunshine days in August:
8.8 days - Average sunshine days in September:
14.4 days - Average sunshine days in October:
17.2 days - Average sunshine days in November:
10.7 days - Average sunshine days in December:
3.6 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
Rio Uaçá, Brazil
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
Rio Uaçá, Brazil
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
Rio Uaçá, Brazil
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).





