The best times to visit Nova Iguacu for ideal weather are

April 30th to October 7th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Nova Iguacu Travel Info

Weather in Nova Iguacu


Average temperatures in Nova Iguacu vary little. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a very low chance of rain throughout the year. The area is more temperate than most — in the 61st percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Nova Iguacu, the hottest months are February, January, and then December. See average monthly temperatures below. The warmest time of year is generally early February where highs are regularly around 92.5°F (33.6°C) with temperatures rarely dropping below 75.4°F (24.1°C) at night.

Nova Iguacu Temperatures (Fahrenheit)


Nova Iguacu Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Nova Iguacu Perceived Temperature (F)


Nova Iguacu Perceived Temperature (C)



Average Nova Iguacu Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 89.4 80.8 74.4
Feb 91.6 82.2 75
Mar 87.7 79.5 73.6
Apr 84.7 76.6 70.8
May 80.8 72.4 66
Jun 79.4 70.6 64
Jul 79 70.1 63.3
Aug 81 71.3 63.7
Sep 82.1 73.1 66.2
Oct 83.4 75.2 68.8
Nov 84 76.7 71
Dec 87.9 79.9 73.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.9 27.1 23.6
Feb 33.1 27.9 23.9
Mar 30.9 26.4 23.1
Apr 29.3 24.8 21.6
May 27.1 22.4 18.9
Jun 26.3 21.4 17.8
Jul 26.1 21.2 17.4
Aug 27.2 21.8 17.6
Sep 27.8 22.8 19
Oct 28.6 24 20.4
Nov 28.9 24.8 21.7
Dec 31.1 26.6 23.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Nova Iguacu are August, February, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January. For example, on the week of January 22nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid December with an average of 1 days of significant precipitation the week of December 10th.

When can you find snow in Nova Iguacu? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Nova Iguacu.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Nova Iguacu (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 3% 0 0.5
Feb 2% 0 0.3
Mar 4% 0 0.5
Apr 5% 0 0.9
May 5% 0 0.6
Jun 2% 0 0.4
Jul 3% 0 0.5
Aug 1% 0 0
Sep 5% 0 0.9
Oct 5% 0 0.5
Nov 10% 0 1.9
Dec 7% 0 2.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 3 0 1.3
Feb 2 0 0.8
Mar 4 0 1.3
Apr 5 0 2.3
May 5 0 1.5
Jun 2 0 1
Jul 3 0 1.3
Aug 1 0 0
Sep 5 0 2.3
Oct 5 0 1.3
Nov 10 0 4.8
Dec 7 0 5.6


Humidity and Wind

Nova Iguacu has some very humid months, and above average humidity throughout the year. The least humid month is February (61.4% relative humidity), and the most humid month is June (70.1%).

Wind in Nova Iguacu is usually calm. The windiest month is October, followed by November and September. October’s average wind speed of around 6.8 knots (7.9 MPH or 12.7 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late September where average top sustained speeds reach 15 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Nova Iguacu.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 6 Light breeze 14.3 Significant breeze
Feb 6.2 Light breeze 14.1 Significant breeze
Mar 5.7 Light breeze 13.4 Significant breeze
Apr 5.4 Light breeze 12.6 Significant breeze
May 4.8 Light breeze 10.8 Significant breeze
Jun 4.5 Light breeze 10.5 Gentle breeze
Jul 4.8 Light breeze 10.9 Significant breeze
Aug 5.7 Light breeze 12.2 Significant breeze
Sep 6.4 Light breeze 13.8 Significant breeze
Oct 6.8 Light breeze 14.3 Significant breeze
Nov 6.5 Light breeze 14.1 Significant breeze
Dec 6.3 Light breeze 14.5 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 65.4%
Feb 61.4%
Mar 68.4%
Apr 69.9%
May 69%
Jun 70.1%
Jul 68%
Aug 64%
Sep 63.1%
Oct 63.7%
Nov 67.2%
Dec 66.4%


Is it Safe to Travel to Nova Iguacu?

Our best data indicates this area is somewhat safe. As of Dec 04, 2023 there are travel warnings for Brazil; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 24, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Nova Iguacu, Brazil is July, followed by January and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Nova Iguacu in October. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 49.6 in October means 49.6% of the tourists vs. July.



Overall Nova Iguacu Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 89.3°F (31.8°C) and 78.6°F (25.9°C) with colder temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the least precipitation with 0 to 1 days of precipitation per month. June – August is the busiest season for tourism in Nova Iguacu, so lodging and other accommodations may cost more than usual.

Spring (September through November)

Spring daily highs range from 85.2°F (29.6°C) and 80.2°F (26.8°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 3 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Summer (December through February)

Weather is perfect this time of year in Nova Iguacu to be enjoyable for warm weather travelers. The average high during this season is between 92.5°F (33.6°C) and 86.1°F (30.1°C). On average, it rains or snows a smalll amount: 0 to 2 times per month. These times of year are fairly slow with tourists.


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