Climate and monthly weather forecastAltamira, Brazil
Climate and monthly weather forecast
Weather in January
January, the same as December, in Altamira, Brazil, is another hot summer month, with an average temperature varying between 30.7°C (87.3°F) and 22.2°C (72°F). The advent of January observes an average high-temperature of a still hot 30.7°C (87.3°F), nearly identical to December's 32.4°C (90.3°F). Weather in January »Weather in February
February, the last month of the summer in Altamira, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 22.2°C (72°F). The month of February, characterized by an average high of 29.5°C (85.1°F) and a low of 22.2°C (72°F), is recognized as the coldest. Throughout February, the heat index is evaluated at a torrid 39°C (102.2°F). Weather in February »Weather in March
The first month of the autumn, March, is still a warm month in Altamira, Brazil, with an average temperature ranging between max 29.6°C (85.3°F) and min 22.3°C (72.1°F). March welcomes an average high-temperature of a still moderately hot 29.6°C (85.3°F), not much different from the preceding month. Weather in March »Weather in April
April, like March, in Altamira, Brazil, is another warm autumn month, with an average temperature varying between 29.7°C (85.5°F) and 22.4°C (72.3°F). April's onset records a minor alteration in the average high-temperature to a still moderately hot 29.7°C (85.5°F) from March's 29.6°C (85.3°F). Weather in April »Weather in May
May, the last month of the autumn in Altamira, is a hot month, with an average temperature varying between 30.6°C (87.1°F) and 22.2°C (72°F). With the onset of May, Altamira's average high-temperature clocks in at a tropical 30.6°C (87.1°F), showing a minor fluctuation from the previous month. Weather in May »Weather in June
June, the first month of the winter in Altamira, is still a tropical month, with an average temperature ranging between max 31.8°C (89.2°F) and min 21.3°C (70.3°F). The shift to June signals an average high-temperature of a still hot 31.8°C (89.2°F), subtly varied from May's 30.6°C (87.1°F). Weather in June »Weather in July
July, the same as June, in Altamira, Brazil, is another hot winter month, with an average temperature ranging between min 21.1°C (70°F) and max 33°C (91.4°F). In July, the average high-temperature registers at a still hot 33°C (91.4°F), nearly identical to June's 31.8°C (89.2°F). Weather in July »Weather in August
August, the last month of the winter in Altamira, is a fiery hot month, with an average temperature fluctuating between 21.7°C (71.1°F) and 35.1°C (95.2°F). As Altamira steps into August, the average high-temperature holds at a very hot 35.1°C (95.2°F), hinting at a minor fluctuation from the prior month. Weather in August »Weather in September
September, the first month of the spring in Altamira, is also a sweltering month, with an average temperature ranging between min 22.5°C (72.5°F) and max 35.8°C (96.4°F). With average high temperatures of 35.8°C (96.4°F) and lows of 22.5°C (72.5°F), September is the warmest month. During September, the heat index is evaluated at a burning hot 50°C (122°F). Weather in September »Weather in October
October, like September, in Altamira, Brazil, is another torrid spring month, with temperature in the range of an average high of 35.7°C (96.3°F) and an average low of 23.1°C (73.6°F). October notes an average high-temperature of a still sweltering 35.7°C (96.3°F), subtly differing from September's 35.8°C (96.4°F). Weather in October »Weather in November
The last month of the spring, November, is another tropical month in Altamira, Brazil, with temperature in the range of an average high of 34.5°C (94.1°F) and an average low of 23.3°C (73.9°F). The onset of November brings with it an average high-temperature of a tropical 34.5°C (94.1°F), showing a negligible variation from the month before. Weather in November »Weather in December
The first month of the summer, December, is also a hot month in Altamira, Brazil, with an average temperature varying between 32.4°C (90.3°F) and 22.7°C (72.9°F). The arrival of December is marked by an average high-temperature of a still hot 32.4°C (90.3°F), bearing a close resemblance to November. Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, in Altamira, there are 260.4 rainfall days, and 1317mm (51.85") of precipitation is accumulated.
January through May, with an average maximum UV index of 6, are months with the lowest UV index in Altamira.
The month of February, characterized by an average high of 29.5°C (85.1°F) and a low of 22.2°C (72°F), is recognized as the coldest.
February has the least sunshine of the year, with an average of 5.3h of sunshine.
April is the most humid month in Altamira, with an average relative humidity of 91%.
April is the month with the most rainfall. Rain falls for 29 days and accumulates 207mm (8.15") of precipitation.
June has the shortest days of the year in Altamira, with an average of 11h and 54min of daylight.
The months with the highest UV index are June through December, with an average maximum UV index of 7.
The least humid month is August, with an average relative humidity of 64%.
August is the month with the least rainfall. Rain falls for 9.8 days and accumulates 14mm (0.55") of precipitation.
The month with the most sunshine is August, with an average of 9.6h of sunshine.
September, recording an average high temperature of 35.8°C (96.4°F) and a low temperature of 22.5°C (72.5°F), is Altamira's warmest month.
With an average of 12h and 18min of daylight, December has the longest days of the year.
Altamira, Brazil, does not utilize Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Altamira, Brazil
The warmest month (with the highest average high temperature) is September (35.8°C).
The month with the lowest average high temperature is February (29.5°C).
The month with the highest average low temperature is November (23.3°C).
The coldest month (with the lowest average low temperature) is July (21.1°C).
Average pressure
Altamira, Brazil
- Average pressure in January:
1010.3mbar - Average pressure in February:
1010.2mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1010.8mbar - Average pressure in May:
1011.3mbar - Average pressure in June:
1012.2mbar
- Average pressure in July:
1012.2mbar - Average pressure in August:
1011.4mbar - Average pressure in September:
1010.5mbar - Average pressure in October:
1009.1mbar - Average pressure in November:
1008.3mbar - Average pressure in December:
1009.2mbar
The months with the highest atmospheric pressure are June and July (1012.2mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed
Altamira, Brazil
- Average wind speed in January:
4.9km/h - Average wind speed in February:
4.5km/h - Average wind speed in March:
4.4km/h - Average wind speed in April:
4.1km/h - Average wind speed in May:
4km/h - Average wind speed in June:
4.5km/h
- Average wind speed in July:
4.6km/h - Average wind speed in August:
5.4km/h - Average wind speed in September:
5.9km/h - Average wind speed in October:
5.8km/h - Average wind speed in November:
5.5km/h - Average wind speed in December:
5.3km/h
The windiest month (with the highest average wind speed) is September (5.9km/h).
The calmest month (with the lowest average wind speed) is May (4km/h).
Average humidity
Altamira, Brazil
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is August (64%).
Average rainfall
Altamira, Brazil
- Average rainfall in January:
172mm - Average rainfall in February:
192mm - Average rainfall in March:
204mm - Average rainfall in April:
207mm - Average rainfall in May:
155mm - Average rainfall in June:
55mm
The wettest month (with the highest rainfall) is April (207mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days
Altamira, Brazil
- Average rainfall days in January:
28.9 days - Average rainfall days in February:
26.8 days - Average rainfall days in March:
29.1 days - Average rainfall days in April:
29 days - Average rainfall days in May:
27.1 days - Average rainfall days in June:
20.3 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
9.8 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
17.4 days - Average rainfall days in November:
19.7 days - Average rainfall days in December:
24.5 days
The month with the highest number of rainy days is March (29.1 days).
The month with the least rainy days is August (9.8 days).
Average daylight / Average sunshine
Altamira, Brazil
- Average daylight in January:
12h and 18min - Average daylight in February:
12h and 12min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
12h and 0min - Average daylight in June:
11h and 54min
- Average daylight in July:
12h and 0min - Average daylight in August:
12h and 0min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 18min - Average daylight in December:
12h and 18min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
5h and 18min - Average sunshine in March:
5h and 24min - Average sunshine in April:
5h and 48min - Average sunshine in May:
7h and 6min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 36min - Average sunshine in September:
9h and 18min - Average sunshine in October:
8h and 48min - Average sunshine in November:
8h and 18min - Average sunshine in December:
7h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days
Altamira, Brazil
- Average sunshine days in January:
1.3 days - Average sunshine days in February:
1.1 days - Average sunshine days in March:
1.4 days - Average sunshine days in April:
0.8 days - Average sunshine days in May:
2.7 days - Average sunshine days in June:
7.8 days
- Average sunshine days in July:
12.5 days - Average sunshine days in August:
18.4 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
11.4 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
4.6 days
The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is April (0.8 days).
Average UV index
Altamira, Brazil
The months with the highest UV index are June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April and May (UV index 6).
Average cloud cover
Altamira, Brazil
The month with the most cloud cover is February (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility
Altamira, Brazil
The months with the highest visibility are July, August, September, October and November (9km).
The months with the lowest visibility are February, March, April and May (6km).
