The best times to visit Tres Rios for ideal weather are

April 9th 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 Tres Rios Travel Info

Weather in Tres Rios


Average temperatures in Tres Rios vary little. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a fair chance of precipitation about half of the year. The area is more temperate than most — in the 63rd 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 Tres Rios, the hottest months are February, January, and then March. See average monthly temperatures below. The warmest time of year is generally mid February where highs are regularly around 85.9°F (29.9°C) with temperatures rarely dropping below 65.7°F (18.7°C) at night.

Tres Rios Temperatures (Fahrenheit)


Tres Rios 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.

Tres Rios Perceived Temperature (F)


Tres Rios Perceived Temperature (C)



Average Tres Rios 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 83.7 74.8 65
Feb 85.5 76.5 64.9
Mar 82.6 74 61.9
Apr 79.5 70.9 58.7
May 75.2 66.7 53.6
Jun 73.6 65.2 52.6
Jul 74.4 65.3 52.6
Aug 76.9 66.9 53.9
Sep 79.8 69.5 56.8
Oct 81.4 71.3 58.4
Nov 80.5 71.1 59.3
Dec 82.7 73.5 61.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 28.7 23.8 18.3
Feb 29.7 24.7 18.3
Mar 28.1 23.3 16.6
Apr 26.4 21.6 14.8
May 24 19.3 12
Jun 23.1 18.4 11.4
Jul 23.6 18.5 11.4
Aug 24.9 19.4 12.2
Sep 26.6 20.8 13.8
Oct 27.4 21.8 14.7
Nov 26.9 21.7 15.2
Dec 28.2 23.1 16.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Tres Rios are August, July, 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 early to mid August. For example, on the week of August 6th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late November to early December with an average of 4 days of significant precipitation the week of November 26th.

When can you find snow in Tres Rios? 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 Tres Rios.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 41% 0 10.7
Feb 28% 0 4.9
Mar 46% 0 10.1
Apr 22% 0 4
May 10% 0 1.3
Jun 8% 0 1.2
Jul 6% 0 0.9
Aug 4% 0 0.3
Sep 13% 0 2.1
Oct 24% 0 4.9
Nov 46% 0 9.9
Dec 54% 0 15

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 41 0 27.2
Feb 28 0 12.4
Mar 46 0 25.7
Apr 22 0 10.2
May 10 0 3.3
Jun 8 0 3
Jul 6 0 2.3
Aug 4 0 0.8
Sep 13 0 5.3
Oct 24 0 12.4
Nov 46 0 25.1
Dec 54 0 38.1


Humidity and Wind

Tres Rios has some very humid months, with other comfortably humid months. The least humid month is September (59.1% relative humidity), and the most humid month is November (72.2%).

Wind in Tres Rios is usually calm. The windiest month is September, followed by October and August. September’s average wind speed of around 5.8 knots (6.7 MPH or 10.8 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 10.8 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 5.2 Light breeze 9.1 Gentle breeze
Feb 5.1 Light breeze 8.7 Gentle breeze
Mar 4.9 Light breeze 8.9 Gentle breeze
Apr 5 Light breeze 8.7 Gentle breeze
May 4.8 Light breeze 8.6 Gentle breeze
Jun 4.8 Light breeze 8.8 Gentle breeze
Jul 5.1 Light breeze 9.2 Gentle breeze
Aug 5.5 Light breeze 9.6 Gentle breeze
Sep 5.8 Light breeze 10.2 Gentle breeze
Oct 5.6 Light breeze 9.8 Gentle breeze
Nov 5.4 Light breeze 9.5 Gentle breeze
Dec 5.3 Light breeze 9.5 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 67.8%
Feb 62.2%
Mar 70.3%
Apr 71%
May 69.9%
Jun 71.1%
Jul 66.2%
Aug 59.7%
Sep 59.1%
Oct 63.9%
Nov 72.2%
Dec 71.8%


Is it Safe to Travel to Tres Rios?

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 Tres Rios, 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 Tres Rios 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 Tres Rios Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 83.6°F (28.7°C) and 73.4°F (23°C) with colder temperatures in the later months. Rain is somewhat common with 3 to 14 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 1 to 2 days of precipitation per month. June – August is the busiest season for tourism in Tres Rios, so lodging and other accommodations may cost more than usual.

Spring (September through November)

Spring daily highs range from 83.2°F (28.4°C) and 78.4°F (25.8°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 14 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 Tres Rios to be enjoyable for warm weather travelers. The average high during this season is between 85.9°F (29.9°C) and 81.8°F (27.7°C). On average, it rains or snows a great amount: 8 to 17 times per month. These times of year are fairly slow with tourists.


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