Climate and monthly weather forecastArco-Íris, Brazil
Climate and monthly weather forecast
Weather in January
January, like December, in Arco-Íris, Brazil, is a moderately hot summer month, with an average temperature varying between 20.8°C (69.4°F) and 29.2°C (84.6°F). The start of January sees the average high-temperature at a still warm 29.2°C (84.6°F), showing little difference from December's 29.6°C (85.3°F). Weather in January »Weather in February
The last month of the summer, February, is another warm month in Arco-Íris, Brazil, with an average temperature ranging between min 20.8°C (69.4°F) and max 29.1°C (84.4°F). February's arrival brings an average high-temperature of a still moderately hot 29.1°C (84.4°F), slightly deviating from January's 29.2°C (84.6°F). Weather in February »Weather in March
March, the first month of the autumn in Arco-Íris, is still a warm month, with an average temperature fluctuating between 19.9°C (67.8°F) and 28.4°C (83.1°F). Arco-Íris in March witnesses an average high-temperature of a still warm 28.4°C (83.1°F), indicating a slight variation from February's 29.1°C (84.4°F). Weather in March »Weather in April
April, the same as March, is a moderately hot autumn month in Arco-Íris, Brazil, with temperature in the range of an average high of 27.4°C (81.3°F) and an average low of 18°C (64.4°F). April's commencement is accompanied by an average high-temperature of a still moderately hot 27.4°C (81.3°F), diverging marginally from March's 28.4°C (83.1°F). Weather in April »Weather in May
May, the last month of the autumn in Arco-Íris, is another warm month, with an average temperature varying between 15.6°C (60.1°F) and 24.8°C (76.6°F). As April transitions into May, Arco-Íris records an average high-temperature of a still warm 24.8°C (76.6°F), showing a gentle shift from the preceding month. Weather in May »Weather in June
The first month of the winter, June, is also a moderately hot month in Arco-Íris, Brazil, with an average temperature fluctuating between 14.9°C (58.8°F) and 24°C (75.2°F). June brings the lowest temperatures, with an average high of 24°C (75.2°F) and an average low of 14.9°C (58.8°F). Weather in June »Weather in July
July, the same as June, is a moderately hot winter month in Arco-Íris, Brazil, with temperature in the range of an average low of 14.8°C (58.6°F) and an average high of 25.1°C (77.2°F). Arco-Íris registers an average high-temperature of a still moderately hot 25.1°C (77.2°F) at the commencement of July, closely related to the preceding month. Weather in July »Weather in August
The last month of the winter, August, is also a moderately hot month in Arco-Íris, Brazil, with temperature in the range of an average high of 28°C (82.4°F) and an average low of 15.7°C (60.3°F). Arco-Íris marks the arrival of August with an average high-temperature of a still moderately hot 28°C (82.4°F), hardly different from July's 25.1°C (77.2°F). Weather in August »Weather in September
September, the first month of the spring in Arco-Íris, is a tropical month, with temperature in the range of an average low of 17.8°C (64°F) and an average high of 30.3°C (86.5°F). At the onset of September, Arco-Íris records an average high-temperature of a hot 30.3°C (86.5°F), showing little deviation from the preceding month. Weather in September »Weather in October
October, the same as September, in Arco-Íris, Brazil, is another tropical spring month, with an average temperature fluctuating between 30.8°C (87.4°F) and 19.4°C (66.9°F). October, with its high-temperature average of 30.8°C (87.4°F) and a low-temperature average of 19.4°C (66.9°F), is the warmest month. The heat index value for October is calculated to be a sweltering 36°C (96.8°F). Weather in October »Weather in November
The last month of the spring, November, is also a hot month in Arco-Íris, Brazil, with temperature in the range of an average high of 30.2°C (86.4°F) and an average low of 20.1°C (68.2°F). The arrival of November brings an average high-temperature of a still tropical 30.2°C (86.4°F), subtly diverging from October's 30.8°C (87.4°F). Weather in November »Weather in December
The first month of the summer, December, is still a warm month in Arco-Íris, Brazil, with an average temperature varying between 29.6°C (85.3°F) and 20.7°C (69.3°F). December's advent presents an average high-temperature of a warm 29.6°C (85.3°F), indicating a slight variation from the conditions of the previous month. 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
The month with the most rainfall in Arco-Íris is January, when the rain falls for 28.3 days and typically aggregates up to 203mm (7.99") of precipitation.
Throughout the year, in Arco-Íris, there are 193.5 rainfall days, and 1136mm (44.72") of precipitation is accumulated.
The month with the least sunshine in Arco-Íris, Brazil, is January, with an average of 7h of sunshine.
The months with the highest UV index in Arco-Íris are January through March, July through December, with an average maximum UV index of 6.
The most humid month in Arco-Íris is March, with an average relative humidity of 84%.
April through June, with an average maximum UV index of 5, are months with the lowest UV index in Arco-Íris, Brazil.
Arco-Íris's coldest temperatures are experienced in June, with average high temperatures of 24°C (75.2°F) and lows of 14.9°C (58.8°F).
The month with the shortest days is June, with an average of 10h and 48min of daylight.
With an average relative humidity of 58%, August is the least humid month in Arco-Íris.
August is the month with the least rainfall. Rain falls for 5.1 days and accumulates 20mm (0.79") of precipitation.
The month with the most sunshine is August, with an average of 9.4h of sunshine.
October, with an average high of 30.8°C (87.4°F) and a low of 19.4°C (66.9°F), signifies the warmest month of the year in Arco-Íris, Brazil.
The month with the longest days is December, with an average of 13h and 24min of daylight.
Arco-Íris, Brazil, does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Arco-Íris, Brazil
The warmest month (with the highest average high temperature) is October (30.8°C).
The month with the lowest average high temperature is June (24°C).
The months with the highest average low temperature are January and February (20.8°C).
The coldest month (with the lowest average low temperature) is July (14.8°C).
Average pressure
Arco-Íris, Brazil
- Average pressure in January:
1011mbar - Average pressure in February:
1011.2mbar - Average pressure in March:
1012mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1017.8mbar
- Average pressure in July:
1018.1mbar - Average pressure in August:
1016.9mbar - Average pressure in September:
1014.2mbar - Average pressure in October:
1011.8mbar - Average pressure in November:
1010mbar - Average pressure in December:
1009.9mbar
The month with the highest atmospheric pressure is July (1018.1mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed
Arco-Íris, Brazil
- Average wind speed in January:
8.4km/h - Average wind speed in February:
7.8km/h - Average wind speed in March:
8.2km/h - Average wind speed in April:
8.4km/h - Average wind speed in May:
8.7km/h - Average wind speed in June:
9km/h
- Average wind speed in July:
10km/h - Average wind speed in August:
11.4km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
10.7km/h - Average wind speed in November:
10.2km/h - Average wind speed in December:
8.7km/h
The windiest month (with the highest average wind speed) is August (11.4km/h).
The calmest month (with the lowest average wind speed) is February (7.8km/h).
Average humidity
Arco-Íris, Brazil
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (58%).
Average rainfall
Arco-Íris, Brazil
- Average rainfall in January:
203mm - Average rainfall in February:
160mm - Average rainfall in March:
132mm - Average rainfall in April:
61mm - Average rainfall in May:
55mm - Average rainfall in June:
36mm
The wettest month (with the highest rainfall) is January (203mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days
Arco-Íris, Brazil
- Average rainfall days in January:
28.3 days - Average rainfall days in February:
24 days - Average rainfall days in March:
24.4 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
11.4 days - Average rainfall days in June:
8.8 days
- Average rainfall days in July:
5.8 days - Average rainfall days in August:
5.1 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
16.5 days - Average rainfall days in November:
20.5 days - Average rainfall days in December:
25.5 days
The month with the highest number of rainy days is January (28.3 days).
The month with the least rainy days is August (5.1 days).
Average daylight / Average sunshine
Arco-Íris, Brazil
- Average daylight in January:
13h and 18min - Average daylight in February:
12h and 48min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 6min - Average daylight in June:
10h and 48min
- Average daylight in July:
11h and 0min - Average daylight in August:
11h and 24min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 12min - Average daylight in December:
13h and 24min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
7h and 18min - Average sunshine in March:
7h and 48min - Average sunshine in April:
8h and 30min - Average sunshine in May:
8h and 24min - Average sunshine in June:
8h and 24min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
9h and 24min - Average sunshine in September:
9h and 6min - Average sunshine in October:
8h and 48min - Average sunshine in November:
8h and 18min - Average sunshine in December:
7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days
Arco-Íris, Brazil
- Average sunshine days in January:
2.6 days - Average sunshine days in February:
2.9 days - Average sunshine days in March:
4.8 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
17.8 days - Average sunshine days in June:
19.4 days
- Average sunshine days in July:
23.9 days - Average sunshine days in August:
25.3 days - Average sunshine days in September:
19.7 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
8.3 days - Average sunshine days in December:
4.1 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is January (2.6 days).
Average UV index
Arco-Íris, Brazil
The months with the highest UV index are January, February, March, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are April, May and June (UV index 5).
Average cloud cover
Arco-Íris, Brazil
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Arco-Íris, Brazil
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, March, April and May (8km).
