The best times to visit Imperatriz for ideal weather are

April 9th to December 9th

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



Other Imperatriz Travel Info

Weather in Imperatriz


Average temperatures in Imperatriz vary very little. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 28th 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 Imperatriz, the hottest months are September, October, and then August. See average monthly temperatures below. The warmest time of year is generally late September where highs are regularly around 97.7°F (36.5°C) with temperatures rarely dropping below 76°F (24.4°C) at night.

Imperatriz Temperatures (Fahrenheit)


Imperatriz 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.

Imperatriz Perceived Temperature (F)


Imperatriz Perceived Temperature (C)



Average Imperatriz 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 80 74.2
Feb 88.8 79.6 73.9
Mar 89.3 80.3 74.7
Apr 89.8 80.7 75
May 91.4 81.2 74.5
Jun 93.5 81.2 72.6
Jul 94.9 81.4 71.3
Aug 96.6 82.6 71.5
Sep 96.3 84.1 74.9
Oct 94.2 83.4 75.7
Nov 91.8 82.3 75.6
Dec 90.6 81.1 74.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.7 26.7 23.4
Feb 31.6 26.4 23.3
Mar 31.8 26.8 23.7
Apr 32.1 27.1 23.9
May 33 27.3 23.6
Jun 34.2 27.3 22.6
Jul 34.9 27.4 21.8
Aug 35.9 28.1 21.9
Sep 35.7 28.9 23.8
Oct 34.6 28.6 24.3
Nov 33.2 27.9 24.2
Dec 32.6 27.3 23.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Imperatriz are June, July, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late May to early June. For example, on the week of May 28th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid February with an average of 2 days of significant precipitation the week of February 12th.

When can you find snow in Imperatriz? 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 Imperatriz.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 14% 0 2.7
Feb 12% 0 4.6
Mar 16% 0 4.4
Apr 10% 0 2.9
May 8% 0 1.5
Jun 1% 0 0.1
Jul 1% 0 0.2
Aug 1% 0 0.1
Sep 2% 0 0.6
Oct 3% 0 0.4
Nov 4% 0 0.9
Dec 10% 0 1.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 14 0 6.9
Feb 12 0 11.7
Mar 16 0 11.2
Apr 10 0 7.4
May 8 0 3.8
Jun 1 0 0.3
Jul 1 0 0.5
Aug 1 0 0.3
Sep 2 0 1.5
Oct 3 0 1
Nov 4 0 2.3
Dec 10 0 4.3


Humidity and Wind

Imperatriz has some extremely humid months, with other comfortably humid months. The least humid month is August (59.3% relative humidity), and the most humid month is February (84.5%).

Wind in Imperatriz is usually extremely calm. The windiest month is September, followed by October and August. September’s average wind speed of around 3.9 knots (4.5 MPH or 7.2 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid to late August where average top sustained speeds reach 9.5 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 2.9 Barely noticeable 7.9 Gentle breeze
Feb 2.9 Barely noticeable 8 Gentle breeze
Mar 3 Barely noticeable 7.8 Gentle breeze
Apr 2.7 Barely noticeable 7.3 Gentle breeze
May 2.4 Barely noticeable 7.3 Gentle breeze
Jun 2.5 Barely noticeable 7.8 Gentle breeze
Jul 2.7 Barely noticeable 8.1 Gentle breeze
Aug 3.3 Barely noticeable 9.1 Gentle breeze
Sep 3.9 Barely noticeable 9.2 Gentle breeze
Oct 3.7 Barely noticeable 8.7 Gentle breeze
Nov 3 Barely noticeable 8.3 Gentle breeze
Dec 2.8 Barely noticeable 7.8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 83.4%
Feb 84.5%
Mar 84.2%
Apr 84.1%
May 81%
Jun 73.3%
Jul 66.2%
Aug 59.3%
Sep 62.1%
Oct 68.8%
Nov 75.5%
Dec 80.2%


Is it Safe to Travel to Imperatriz?

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 Imperatriz, Brazil is October, followed by February and January. 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 Imperatriz in September. 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 44 in September means 44% of the tourists vs. October.



Overall Imperatriz Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 92.8°F (33.8°C) and 89.1°F (31.7°C) with similar temperatures in the later months. Rain is rare with 2 to 5 days of significant precipitation per month. Fall is the slowest for tourism, which makes it a good time for those looking for deals.

Winter (June through August)

The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the least precipitation with about 0 days of precipitation per month. June – August is the second busiest season for tourism in Imperatriz, so lodging and other accommodations may cost slightly more.

Spring (September through November)

Spring daily highs range from 96.9°F (36.1°C) and 91°F (32.8°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: approximately 1 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Summer (December through February)

Weather is perfect this time of year in Imperatriz to be enjoyable for warm weather travelers. The average high during this season is between 91°F (32.8°C) and 88.2°F (31.2°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the busiest with tourists.


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