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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, is another hot summer month in Iaçu, Brazil, with an average temperature varying between 31.8°C (89.2°F) and 20.4°C (68.7°F). The shift into January reveals an average high-temperature of a still tropical 31.8°C (89.2°F), closely mirroring December's climate. Weather in January »
Weather in February
The last month of the summer, February, is another tropical month in Iaçu, Brazil, with an average temperature ranging between min 21°C (69.8°F) and max 32.3°C (90.1°F). Iaçu sees the arrival of February with an average high-temperature of a still tropical 32.3°C (90.1°F), indicating a subtle variation from January. Weather in February »
Weather in March
March, the first month of the autumn in Iaçu, is still a tropical month, with an average temperature ranging between min 20.9°C (69.6°F) and max 32.4°C (90.3°F). March is the warmest month, with the temperature often reaching an average high of 32.4°C (90.3°F) and an average low of 20.9°C (69.6°F). March's average heat index is computed to be a blisteringly hot 42°C (107.6°F). Weather in March »
Weather in April
April, the same as March, in Iaçu, Brazil, is another hot autumn month, with an average temperature fluctuating between 20.4°C (68.7°F) and 30.7°C (87.3°F). Transitioning into April, Iaçu experiences an average high-temperature of a still tropical 30.7°C (87.3°F), marking a minor shift from the preceding month. Weather in April »
Weather in May
May, the last month of the autumn in Iaçu, is another warm month, with an average temperature ranging between max 29.2°C (84.6°F) and min 19.5°C (67.1°F). Stepping into May, Iaçu records an average high-temperature of a warm 29.2°C (84.6°F), almost consistent with April. Weather in May »
Weather in June
June, the first month of the winter in Iaçu, is still a warm month, with an average temperature varying between 28°C (82.4°F) and 18.4°C (65.1°F). The shift into June finds Iaçu at an average high-temperature of a still moderately hot 28°C (82.4°F), closely comparable to May's conditions. Weather in June »
Weather in July
July, like June, in Iaçu, Brazil, is another warm winter month, with an average temperature fluctuating between 17.8°C (64°F) and 27.3°C (81.1°F). With an average high-temperature of 27.3°C (81.1°F) and an average low-temperature of 17.8°C (64°F), July is the coldest month. In July, the average heat index is computed to be a hot 30°C (86°F). Weather in July »
Weather in August
The last month of the winter, August, is another warm month in Iaçu, Brazil, with an average temperature varying between 28°C (82.4°F) and 17.8°C (64°F). During August, Iaçu observes a subtle ascent to a still moderately hot 28°C (82.4°F) from July's 27.3°C (81.1°F) in the average high-temperature. Weather in August »
Weather in September
The first month of the spring, September, is still a warm month in Iaçu, Brazil, with an average temperature ranging between min 18.9°C (66°F) and max 29.5°C (85.1°F). The shift into September finds Iaçu at an average high-temperature of a still moderately hot 29.5°C (85.1°F), closely comparable to August's conditions. Weather in September »
Weather in October
October is a tropical spring month in Iaçu, Brazil, with an average temperature fluctuating between 31.2°C (88.2°F) and 20.6°C (69.1°F). October's arrival brings an average high-temperature of a hot 31.2°C (88.2°F), demonstrating subtle variation from the preceding month. Weather in October »
Weather in November
The last month of the spring, November, is also a hot month in Iaçu, Brazil, with an average temperature ranging between min 21.2°C (70.2°F) and max 31.3°C (88.3°F). Iaçu's average high-temperature in November sits at a still tropical 31.3°C (88.3°F), showing little difference from the previous month. Weather in November »
Weather in December
The first month of the summer, December, is still a hot month in Iaçu, Brazil, with an average temperature varying between 20.7°C (69.3°F) and 31.6°C (88.9°F). Iaçu experiences a transition to a still hot 31.6°C (88.9°F) in average high-temperatures with the arrival of December, not greatly differing from November's 31.3°C (88.3°F). Weather in December »
Updated: Jul 27, 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
How many days does it rain?
Throughout the year, there are 185.3 rainfall days, and 502mm (19.76") of precipitation is accumulated.
What are the months with the highest UV index in Iaçu?
The months with the highest UV index are January, February and October, with an average maximum UV index of 7.
What month has the most sunshine?
With an average of 8.8h of sunshine, February has the most sunshine of the year.
What time of the year is the hottest?
Iaçu, Brazil, records the warmest temperatures in March, averaging a high of 32.4°C (90.3°F) and a low of 20.9°C (69.6°F).
What is the most humid month?
With an average relative humidity of 78%, May is the most humid month.
What is the month with the shortest days?
June has the shortest days of the year, with an average of 11h and 24min of daylight.
When is the lowest UV index?
The month with the lowest UV index is June, with an average maximum UV index of 5.
What part of the year is the coldest?
The month of July sees the average lowest temperatures, reaching 27.3°C (81.1°F) at the peak and 17.8°C (64°F) at the low.
What is the month with the least sunshine?
With an average of 4.5h of sunshine, July has the least sunshine of the year.
What is the driest month?
September is the month with the least rainfall. Rain falls for 13 days and accumulates 10mm (0.39") of precipitation.
What is the least humid month in Iaçu?
With an average relative humidity of 68%, October is the least humid month.
What is the rainiest month?
December is the month with the most rainfall. Rain falls for 15.1 days and accumulates 80mm (3.15") of precipitation.
When are the longest days?
With an average of 12h and 54min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST)?
Iaçu does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Iaçu, Brazil
The warmest month (with the highest average high temperature) is March (32.4°C).
The month with the lowest average high temperature is July (27.3°C).
The month with the highest average low temperature is November (21.2°C).
The coldest months (with the lowest average low temperature) are July and August (17.8°C).
Average pressure
Iaçu, Brazil
- Average pressure in January:
1013.6mbar - Average pressure in February:
1013.2mbar - Average pressure in March:
1013.1mbar - Average pressure in April:
1014.1mbar - Average pressure in May:
1015.9mbar - Average pressure in June:
1018.1mbar
- Average pressure in July:
1019.1mbar - Average pressure in August:
1018.8mbar - Average pressure in September:
1017.5mbar - Average pressure in October:
1014.7mbar - Average pressure in November:
1013mbar - Average pressure in December:
1012.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed
Iaçu, Brazil
- Average wind speed in January:
11.1km/h - Average wind speed in February:
11.5km/h - Average wind speed in March:
10.4km/h - Average wind speed in April:
9.6km/h - Average wind speed in May:
10km/h - Average wind speed in June:
11km/h
- Average wind speed in July:
11.6km/h - Average wind speed in August:
12.2km/h - Average wind speed in September:
14.1km/h - Average wind speed in October:
14.5km/h - Average wind speed in November:
13.1km/h - Average wind speed in December:
11.4km/h
The windiest month (with the highest average wind speed) is October (14.5km/h).
The calmest month (with the lowest average wind speed) is April (9.6km/h).
Average humidity
Iaçu, Brazil
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall
Iaçu, Brazil
The wettest month (with the highest rainfall) is December (80mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days
Iaçu, Brazil
- Average rainfall days in January:
17.8 days - Average rainfall days in February:
15.4 days - Average rainfall days in March:
17.1 days - Average rainfall days in April:
18.6 days - Average rainfall days in May:
15.1 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
14.1 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
13 days - Average rainfall days in October:
15.3 days - Average rainfall days in November:
17.8 days - Average rainfall days in December:
15.1 days
The month with the highest number of rainy days is April (18.6 days).
The month with the least rainy days is August (12.8 days).
Average daylight / Average sunshine
Iaçu, Brazil
- Average daylight in January:
12h and 5min - Average daylight in February:
12h and 3min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 5min - Average daylight in May:
11h and 3min - Average daylight in June:
11h and 2min
- Average daylight in July:
11h and 3min - Average daylight in August:
11h and 4min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 2min - Average daylight in November:
12h and 4min - Average daylight in December:
12h and 5min
The month with the longest days is December (Average daylight: 12h and 54min).
The month with the shortest days is June (Average daylight: 11h and 24min).
- Average sunshine in January:
8h and 4min - Average sunshine in February:
8h and 5min - Average sunshine in March:
7h and 1min - Average sunshine in April:
5h and 5min - Average sunshine in May:
5h and 1min - Average sunshine in June:
4h and 5min
- Average sunshine in July:
4h and 3min - Average sunshine in August:
5h and 4min - Average sunshine in September:
6h and 3min - Average sunshine in October:
6h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
7h and 5min
The month with the most sunshine is February (Average sunshine: 8h and 48min).
The month with the least sunshine is July (Average sunshine: 4h and 30min).
Average sunshine days
Iaçu, Brazil
- Average sunshine days in January:
9.8 days - Average sunshine days in February:
9.4 days - Average sunshine days in March:
9.8 days - Average sunshine days in April:
9 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.9 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
12.8 days - Average sunshine days in October:
10.9 days - Average sunshine days in November:
9 days - Average sunshine days in December:
12.8 days
The month with the most sunshine days is August (13.1 days).
The months with the least sunshine days are April and November (9 days).
Average UV index
Iaçu, Brazil
The months with the highest UV index are January, February and October (UV index 7).
The month with the lowest UV index is June (UV index 5).
Average cloud cover
Iaçu, Brazil
The month with the most cloud cover is May (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 45).
Average visibility
Iaçu, Brazil
The months with the highest visibility are September, October and November (10km).
The months with the lowest visibility are January, April, May, June and July (8km).
