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Contents
- The climate of Foz do Iguaçu
- The best time to visit Foz do Iguaçu
- The worst time to visit Foz do Iguaçu
- Spring weather in Foz do Iguaçu
- Summer weather in Foz do Iguaçu
- Autumn weather in Foz do Iguaçu
- Winter weather in Foz do Iguaçu
- 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 humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average UV index
The climate of Foz do Iguaçu
Located in Brazil, the city of Foz do Iguaçu finds itself in the humid subtropical climate zone, often referred to as Cfa within the Köppen climate classification. It maintains a notable distinction, bearing no dry season throughout the year. This city experiences a range of weather conditions which varies as the months slip by.
Broadly speaking, this location shows high temperatures, modestly peaking at 33°C (91.4°F) in January and gradually decreasing to approximately 25°C (77°F) by June. However, it recovers to reach 32.6°C (90.7°F) in December. Similarly, low temperatures also maintain this pattern, starting from 19.6°C (67.3°F) in January, descending to 9.7°C (49.5°F) around July, and again rising to reach 18.6°C (65.5°F) towards the end of the year.
Humidity trends reveal an increase from 77% in January to a high percentage of around 86% in May, subsequently showing a slight reduction over the following months. The UV index exhibits values ranging from 12 in January to its lowest at 4 in June, and subsequently increases towards the end of the year.
With consistent rainfall spread over the year, Foz do Iguaçu is differentiated by its absence of a dry season. The area sees increased precipitation amounts from 196mm (7.72") in January to a high of 220mm (8.66") in October, with occasional, marginal drops and rises in between. This is complemented by an average of 8 to 9 rainy days per month.
Broadly speaking, this location shows high temperatures, modestly peaking at 33°C (91.4°F) in January and gradually decreasing to approximately 25°C (77°F) by June. However, it recovers to reach 32.6°C (90.7°F) in December. Similarly, low temperatures also maintain this pattern, starting from 19.6°C (67.3°F) in January, descending to 9.7°C (49.5°F) around July, and again rising to reach 18.6°C (65.5°F) towards the end of the year.
Humidity trends reveal an increase from 77% in January to a high percentage of around 86% in May, subsequently showing a slight reduction over the following months. The UV index exhibits values ranging from 12 in January to its lowest at 4 in June, and subsequently increases towards the end of the year.
With consistent rainfall spread over the year, Foz do Iguaçu is differentiated by its absence of a dry season. The area sees increased precipitation amounts from 196mm (7.72") in January to a high of 220mm (8.66") in October, with occasional, marginal drops and rises in between. This is complemented by an average of 8 to 9 rainy days per month.
The best time to visit Foz do Iguaçu
Given its consistent warm temperature and the lack of a dry season, the ideal time to visit Foz do Iguaçu largely depends on one's tolerance for rain and humidity. For tourists preferring warmer temperatures and longer daylight hours, January to February or November to December could be preferred, while those more tolerant of rainfall might opt for the period between October and November when precipitation levels peak.
The worst time to visit Foz do Iguaçu
The less ideal time for a visit to Foz do Iguaçu could be during winter from June to August, when temperatures drop to lower levels witnessed by the city, dipping to an average low of 10.4°C (50.7°F) in June. Moreover, June offers the shortest daylight span in the year, totalling only 10.6 hours.
Spring weather in Foz do Iguaçu
The spring season from September to November is characterized by temperatures that begin on the cooler side, averaging from 23.3°C (73.9°F) to 28.8°C (83.8°F), and progressively warms up. Rainfall during this period averages around 157mm (6.18") per month, accompanied by increased humidity levels peaking at around 80%.
Summer weather in Foz do Iguaçu
During the summer months of December to February, Foz do Iguaçu sees temperatures climbing up to an average of 31.2°C (88.2°F) with lows around 19°C (66.2°F). However, these months are also humid, with relative humidity percentages averaging at 78.3%. This period also receives the most rainfall, averaging around about 188mm (7.4") per month.
Autumn weather in Foz do Iguaçu
The autumn months of March to May in Foz do Iguaçu are characterized by temperatures ranging from 28.4°C (83.1°F) to 25.1°C (77.2°F), with the similar range in low temperatures. Additionally, the city receives substantial precipitation in this period averaging 151mm (5.94") per month.
Winter weather in Foz do Iguaçu
Winter from June to August brings cooler temperatures in Foz do Iguaçu with average highs dropping to as low as 23.1°C (73.6°F) in June. Rainfall, averaging about 110mm (4.33") per month, remains consistent, although these months register the lowest UV index values, which decreases to as low as 4 in June.
Weather in January
Starting the year, Foz do Iguaçu in January presents warm conditions characteristic of the summer season. This period sees the peak of solar radiation, with a UV index of 12, emphasizing the need for sun protection. The city experiences its highest temperature at 33°C (91.4°F). Weather in January »
Weather in February
As the calendar moves into February, Foz do Iguaçu maintains its summery weather. A slight drop in average temperatures from January is noticeable. The city experiences its second highest accumulation of rainfall at 180mm (7.09"). Weather in February »
Weather in March
March holds on to the warm summer weather, despite a slightly cooler and wetter shift from February. The rains somewhat intensify, with accumulated rainfall measuring 175mm (6.89"). The daylight hours start to reduce, mirroring the gradual transition towards autumn. Weather in March »
Weather in April
April marks the beginning of a noticeable change in the weather of Foz do Iguaçu. A transition has occurred from the city's summer heat to milder autumn temperatures of 28.2°C (82.8°F) during the day. Besides, the intensity of rainfall starts to decrease. Weather in April »
Weather in May
May is a moderate-weather month in Foz do Iguaçu. Marked changes are felt as the city moves deeper into autumn. The average high temperature drops to 25.2°C (77.4°F), offering a pleasant climate for exploring the city's many attractions. Weather in May »
Weather in June
June, being positioned in the winter season, sees a notable drop in temperatures in Foz do Iguaçu. The city witnesses its coolest periods with the average daily temperatures reaching a low of 23.1°C (73.6°F). Despite being winter, rainfall remains a common occurrence but not in as significant amounts as during the summer months. Weather in June »
Weather in July
July typically records the lowest average daily temperature for the year in Foz do Iguaçu, not exceeding 23.7°C (74.7°F). This makes it a quieter month in the city due to the winter season. Rainfall decreases further, providing more dry days, and the relative humidity stabilizes. Weather in July »
Weather in August
Month of August brings a slight warming trend back to Foz do Iguaçu. Still, the climate maintains its temperate feel, as winter slowly begins to relinquish its hold. The city sees an increase in rainfall again, totaling 107mm (4.21") on average. Weather in August »
Weather in September
As spring approaches, September in Foz do Iguaçu experiences a return to warm temperatures. The results are more rainfall with accumulated precipitation reaching 147mm (5.79") for the month. This month proves an excellent time for sightseeing as day temperatures are pleasant and rains are intermittent. Weather in September »
Weather in October
October sees Foz do Iguaçu transition fully into spring. This month records the largest amount of rainfall, with a total of 220mm (8.66"). The increased temperatures and high relative humidity echo the approaching summer season. Weather in October »
Weather in November
November brings the heat of the upcoming summer to Foz do Iguaçu. Although rainfall starts to decrease from the October peak, the humidity and air temperature rise. With high temperatures reaching 31°C (87.8°F) on average, sun protection becomes essential. Weather in November »
Weather in December
Wrapping up the year, December in Foz do Iguaçu is truly summertime, with temperatures soaring as high as 32.6°C (90.7°F). Add to this the yearly second highest rain accumulation at 189mm (7.44"), and one gets the typical elements of a tropical summer. Weather in December »
[Resources]Frequently asked questions
What time of the year is the hottest in Foz do Iguaçu?
January, on average, is the warmest month in Foz do Iguaçu, Brazil, registering a high temperature of 33°C (91.4°F) and a low of 19.6°C (67.3°F).
How many days does it rain in Foz do Iguaçu?
Throughout the year, in Foz do Iguaçu, Brazil, there are 95 rainfall days, and 1869mm (73.58") of precipitation is accumulated.
What are the months with the highest UV index in Foz do Iguaçu?
The months with the highest UV index in Foz do Iguaçu are January, February, November and December, with an average maximum UV index of 12.
What is the most humid month in Foz do Iguaçu?
With an average relative humidity of 86%, May is the most humid month in Foz do Iguaçu.
What time of the year is the coldest in Foz do Iguaçu?
In Foz do Iguaçu, the lowest temperatures are generally noted in June, averaging a high of 23.1°C (73.6°F) and a low of 10.4°C (50.7°F).
What is the month with the shortest days in Foz do Iguaçu?
With an average of 10h and 36min of daylight, June has the shortest days of the year in Foz do Iguaçu, Brazil.
What is the month with the lowest UV index in Foz do Iguaçu?
June is the month with the lowest UV index in Foz do Iguaçu, with an average maximum UV index of 4.
What is the driest month in Foz do Iguaçu?
The month with the least rainfall in Foz do Iguaçu, Brazil, is July, when the rain falls for 6 days and typically collects 84mm (3.31") of precipitation.
What is the month with the least sunshine in Foz do Iguaçu?
September has the least sunshine of the year in Foz do Iguaçu, with an average of 4.9h of sunshine.
What is the rainiest month in Foz do Iguaçu?
The month with the most rainfall is October, when the rain falls for 9 days and typically aggregates up to 220mm (8.66") of precipitation.
What month has the most sunshine in Foz do Iguaçu?
The month with the most sunshine in Foz do Iguaçu, Brazil, is November, with an average of 7.7h of sunshine.
What is the least humid month in Foz do Iguaçu?
The least humid month in Foz do Iguaçu, Brazil, is December, with an average relative humidity of 74%.
When are the longest days in Foz do Iguaçu?
December has the longest days of the year, with an average of 13h and 42min of daylight.
Is there Daylight Saving Time (DST) in Foz do Iguaçu?
Foz do Iguaçu does not observe Daylight Saving Time (DST). -03 timezone is used over the entire year.
Average temperature
Foz do Iguaçu, Brazil
The warmest month (with the highest average high temperature) is January (33°C).
The month with the lowest average high temperature is June (23.1°C).
The month with the highest average low temperature is February (20°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average humidity
Foz do Iguaçu, Brazil
The month with the highest relative humidity is May (86%).
The month with the lowest relative humidity is December (74%).
Average rainfall
Foz do Iguaçu, Brazil
- Average rainfall in January:
196mm - Average rainfall in February:
180.1mm - Average rainfall in March:
174.8mm - Average rainfall in April:
151mm - Average rainfall in May:
127.6mm - Average rainfall in June:
138.3mm
- Average rainfall in July:
84.4mm - Average rainfall in August:
107.4mm - Average rainfall in September:
146.6mm - Average rainfall in October:
219.8mm - Average rainfall in November:
153.7mm - Average rainfall in December:
189mm
The wettest month (with the highest rainfall) is October (219.8mm).
The driest month (with the least rainfall) is July (84.4mm).
Average rainfall days
Foz do Iguaçu, Brazil
- Average rainfall days in January:
9 days - Average rainfall days in February:
9 days - Average rainfall days in March:
8 days - Average rainfall days in April:
8 days - Average rainfall days in May:
6 days - Average rainfall days in June:
8 days
- Average rainfall days in July:
6 days - Average rainfall days in August:
8 days - Average rainfall days in September:
8 days - Average rainfall days in October:
9 days - Average rainfall days in November:
7 days - Average rainfall days in December:
9 days
The months with the highest number of rainy days are January, February, October and December (9 days).
The months with the least rainy days are May and July (6 days).
Average daylight / Average sunshine
Foz do Iguaçu, Brazil
- Average daylight in January:
13h and 3min - Average daylight in February:
12h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 3min - Average daylight in May:
10h and 5min - Average daylight in June:
10h and 4min
- Average daylight in July:
10h and 4min - Average daylight in August:
11h and 2min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 4min - Average daylight in November:
13h and 2min - Average daylight in December:
13h and 4min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
7h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
6h and 3min - Average sunshine in May:
5h and 5min - Average sunshine in June:
5h and 0min
- Average sunshine in July:
5h and 2min - Average sunshine in August:
5h and 1min - Average sunshine in September:
4h and 5min - Average sunshine in October:
6h and 2min - Average sunshine in November:
7h and 4min - Average sunshine in December:
7h and 3min
The month with the most sunshine is November (Average sunshine: 7h and 42min).
The month with the least sunshine is September (Average sunshine: 4h and 54min).
Average UV index
Foz do Iguaçu, Brazil
The months with the highest UV index are January, February, November and December (UV index 12).
The month with the lowest UV index is June (UV index 4).
Foz do Iguaçu, Brazil
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