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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, in Rio Fortuna, Brazil, is another warm summer month, with temperature in the range of an average high of 28.6°C (83.5°F) and an average low of 19.7°C (67.5°F). Rio Fortuna experiences a recorded average high-temperature of a still warm 28.6°C (83.5°F) in January, closely aligned with December's 27.8°C (82°F). Weather in January »
Weather in February
February, the last month of the summer in Rio Fortuna, is another warm month, with an average temperature fluctuating between 19.9°C (67.8°F) and 28.8°C (83.8°F). February, on average, is the warmest month, registering a high temperature of 28.8°C (83.8°F) and a low of 19.9°C (67.8°F). In February, the heat index is calculated to be a fiery hot 35°C (95°F). Weather in February »
Weather in March
The first month of the autumn, March, is also a moderately hot month in Rio Fortuna, Brazil, with temperature in the range of an average low of 18.5°C (65.3°F) and an average high of 26.9°C (80.4°F). The average high-temperature is a still warm 26.9°C (80.4°F) in March, hardly different from the 28.8°C (83.8°F) recorded in February. Weather in March »
Weather in April
April, the same as March, is another warm autumn month in Rio Fortuna, Brazil, with an average temperature varying between 16.4°C (61.5°F) and 24.8°C (76.6°F). Rio Fortuna records an average high-temperature of a still warm 24.8°C (76.6°F) as April arrives, nearly mirroring the previous month's climate. Weather in April »
Weather in May
The last month of the autumn, May, is another pleasant month in Rio Fortuna, Brazil, with an average temperature fluctuating between 14.3°C (57.7°F) and 22.1°C (71.8°F). The arrival of May sees an average high-temperature of a pleasant 22.1°C (71.8°F), hardly diverging from April's 24.8°C (76.6°F). Weather in May »
Weather in June
June, the first month of the winter in Rio Fortuna, is still a pleasant month, with an average temperature fluctuating between 11.8°C (53.2°F) and 20.2°C (68.4°F). The advent of June signifies a minor shift to an average high-temperature of a still pleasant 20.2°C (68.4°F), aligning closely with May. Weather in June »
Weather in July
July, the same as June, is another enjoyable winter month in Rio Fortuna, Brazil, with an average temperature fluctuating between 19.8°C (67.6°F) and 11.5°C (52.7°F). July is the month when Rio Fortuna, Brazil, sees the lowest average temperatures, with a high of 19.8°C (67.6°F) and a low of 11.5°C (52.7°F). Weather in July »
Weather in August
The last month of the winter, August, is an agreeable month in Rio Fortuna, Brazil, with an average temperature varying between 21.5°C (70.7°F) and 12.4°C (54.3°F). Rio Fortuna experiences a transition to a pleasant 21.5°C (70.7°F) in average high-temperatures with the arrival of August, not greatly differing from July's 19.8°C (67.6°F). Weather in August »
Weather in September
September, the first month of the spring in Rio Fortuna, is also an agreeable month, with an average temperature fluctuating between 22.3°C (72.1°F) and 13.9°C (57°F). Rio Fortuna experiences an average high-temperature of a still agreeable 22.3°C (72.1°F) in September, subtly different from August's 21.5°C (70.7°F). Weather in September »
Weather in October
October is a moderately hot spring month in Rio Fortuna, Brazil, with an average temperature varying between 15.6°C (60.1°F) and 24.1°C (75.4°F). Rio Fortuna sees the arrival of October with an average high-temperature of a moderately hot 24.1°C (75.4°F), indicating a subtle variation from September. Weather in October »
Weather in November
November, the last month of the spring in Rio Fortuna, is also a moderately hot month, with an average temperature ranging between max 25.8°C (78.4°F) and min 17°C (62.6°F). Rio Fortuna's transition from October to November introduces an average high-temperature of a still moderately hot 25.8°C (78.4°F), marking an insignificant variation from the 24.1°C (75.4°F). Weather in November »
Weather in December
December, the first month of the summer in Rio Fortuna, is also a moderately hot month, with an average temperature ranging between min 18.8°C (65.8°F) and max 27.8°C (82°F). Rio Fortuna marks the arrival of December with an average high-temperature of a still moderately hot 27.8°C (82°F), hardly different from November's 25.8°C (78.4°F). 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
What is the wettest month in Rio Fortuna?
The month with the most rainfall is January, when the rain falls for 18.5 days and typically aggregates up to 106mm (4.17") of precipitation.
How many days does it rain in Rio Fortuna?
In Rio Fortuna, during the entire year, the rain falls for 172.3 days and collects up to 881mm (34.69") of precipitation.
What are the months with the highest UV index in Rio Fortuna?
January through March and December, with an average maximum UV index of 6, are months with the highest UV index in Rio Fortuna.
What time of the year is the hottest in Rio Fortuna?
Rio Fortuna's temperatures tend to reach their peak averages in February, with a high of 28.8°C (83.8°F) and a low of 19.9°C (67.8°F).
What is the most humid month in Rio Fortuna?
The months with the highest humidity are March, May and June, with an average relative humidity of 83%.
What is the month with the shortest days in Rio Fortuna?
The month with the shortest days in Rio Fortuna, Brazil, is June, with an average of 10h and 24min of daylight.
What month has the most sunshine in Rio Fortuna?
June has the most sunshine of the year, with an average of 7.5h of sunshine.
What part of the year is the coldest in Rio Fortuna?
July is the month when Rio Fortuna, Brazil, experiences its coldest temperatures, averaging a high of 19.8°C (67.6°F) and a low of 11.5°C (52.7°F).
What is the month with the lowest UV index in Rio Fortuna?
With an average maximum UV index of 4, July is the month with the lowest UV index in Rio Fortuna.
What is the month with the least sunshine in Rio Fortuna?
The month with the least sunshine is October, with an average of 6.9h of sunshine.
What are the least humid months in Rio Fortuna?
November and December, with an average relative humidity of 80%, are the least humid months in Rio Fortuna, Brazil.
What is the driest month in Rio Fortuna?
November is the month with the least rainfall in Rio Fortuna. Rain falls for 13.1 days and accumulates 47mm (1.85") of precipitation.
When are the longest days in Rio Fortuna?
The month with the longest days is December, with an average of 13h and 54min of daylight.
Is there Daylight Saving Time (DST) in Rio Fortuna?
Rio Fortuna, Brazil, does not observe Daylight Saving Time (DST). -03 timezone is used throughout the entire year.
Average temperature
Rio Fortuna, Brazil
The warmest month (with the highest average high temperature) is February (28.8°C).
The month with the lowest average high temperature is July (19.8°C).
The month with the highest average low temperature is February (19.9°C).
The coldest month (with the lowest average low temperature) is July (11.5°C).
Average pressure
Rio Fortuna, Brazil
- Average pressure in January:
1012.8mbar - Average pressure in February:
1013.2mbar - Average pressure in March:
1014.6mbar - Average pressure in April:
1016.6mbar - Average pressure in May:
1017.8mbar - Average pressure in June:
1019.2mbar
- Average pressure in July:
1020.1mbar - Average pressure in August:
1019.6mbar - Average pressure in September:
1017.7mbar - Average pressure in October:
1015.5mbar - Average pressure in November:
1013.7mbar - Average pressure in December:
1012.1mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is December (1012.1mbar).
Average wind speed
Rio Fortuna, Brazil
- Average wind speed in January:
8.4km/h - Average wind speed in February:
8.2km/h - Average wind speed in March:
8.4km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
8.7km/h - Average wind speed in June:
8.3km/h
- Average wind speed in July:
8.9km/h - Average wind speed in August:
9.8km/h - Average wind speed in September:
10.1km/h - Average wind speed in October:
10.7km/h - Average wind speed in November:
10.7km/h - Average wind speed in December:
9.5km/h
The windiest months (with the highest average wind speed) are October and November (10.7km/h).
The calmest month (with the lowest average wind speed) is February (8.2km/h).
Average humidity
Rio Fortuna, Brazil
The months with the highest relative humidity are March, May and June (83%).
The months with the lowest relative humidity are November and December (80%).
Average rainfall
Rio Fortuna, Brazil
The wettest month (with the highest rainfall) is January (106mm).
The driest month (with the least rainfall) is November (47mm).
Average rainfall days
Rio Fortuna, Brazil
- Average rainfall days in January:
18.5 days - Average rainfall days in February:
19.1 days - Average rainfall days in March:
17.6 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
12.4 days - Average rainfall days in June:
10.8 days
- Average rainfall days in July:
12.5 days - Average rainfall days in August:
11 days - Average rainfall days in September:
13 days - Average rainfall days in October:
15.5 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
15.4 days
The month with the highest number of rainy days is February (19.1 days).
The month with the least rainy days is June (10.8 days).
Average daylight / Average sunshine
Rio Fortuna, Brazil
- Average daylight in January:
13h and 4min - Average daylight in February:
13h and 1min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 2min - Average daylight in May:
10h and 4min - Average daylight in June:
10h and 2min
- Average daylight in July:
10h and 4min - Average daylight in August:
11h and 1min - Average daylight in September:
11h and 5min - Average daylight in October:
12h and 5min - Average daylight in November:
13h and 3min - Average daylight in December:
13h and 5min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
7h and 2min - Average sunshine in March:
7h and 2min - Average sunshine in April:
7h and 2min - Average sunshine in May:
7h and 0min - Average sunshine in June:
7h and 3min
- Average sunshine in July:
7h and 1min - Average sunshine in August:
7h and 1min - Average sunshine in September:
7h and 0min - Average sunshine in October:
6h and 5min - Average sunshine in November:
7h and 2min - Average sunshine in December:
7h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 30min).
The month with the least sunshine is October (Average sunshine: 6h and 54min).
Average sunshine days
Rio Fortuna, Brazil
- Average sunshine days in January:
9.4 days - Average sunshine days in February:
7.6 days - Average sunshine days in March:
11.7 days - Average sunshine days in April:
15.6 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
18.2 days
- Average sunshine days in July:
17.2 days - Average sunshine days in August:
17.9 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
12.6 days - Average sunshine days in November:
14.8 days - Average sunshine days in December:
13.1 days
The month with the most sunshine days is June (18.2 days).
The month with the least sunshine days is February (7.6 days).
Average UV index
Rio Fortuna, Brazil
The months with the highest UV index are January, February, March and December (UV index 6).
The month with the lowest UV index is July (UV index 4).
Average cloud cover
Rio Fortuna, Brazil
The months with the most cloud cover are January and October (Cloud cover 48).
The months with the least cloud cover are June and August (Cloud cover 37).
Average visibility
Rio Fortuna, Brazil
The months with the highest visibility are July, August and November (9km).
The months with the lowest visibility are January, February, March, April, May, June, September, October and December (8km).
