The best times to visit Rondonia for ideal weather are

May 21st to September 9th

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



Other Rondonia Travel Info

Weather in Rondonia


Average temperatures in Rondonia vary very little. Considering humidity, temperatures feel hot all year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 13th 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 Rondonia, the hottest months are September, October, and then August. See average monthly temperatures below. The warmest time of year is generally early to mid October where highs are regularly around 94.7°F (34.8°C) with temperatures rarely dropping below 71.7°F (22.1°C) at night.

Rondonia Temperatures (Fahrenheit)


Rondonia 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.

Rondonia Perceived Temperature (F)


Rondonia Perceived Temperature (C)



Average Rondonia 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 88.7 81.9 71.9
Feb 88.3 81.2 71.8
Mar 89.3 81.8 71.7
Apr 89.3 82 71.1
May 87.1 80.3 67.7
Jun 88.3 80.8 66.7
Jul 90.5 82 65.7
Aug 93.5 84.2 67.2
Sep 94.4 85.5 70.2
Oct 93.1 85.1 71.7
Nov 91.1 83.8 71.8
Dec 88.3 81.7 71.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.5 27.7 22.2
Feb 31.3 27.3 22.1
Mar 31.8 27.7 22.1
Apr 31.8 27.8 21.7
May 30.6 26.8 19.8
Jun 31.3 27.1 19.3
Jul 32.5 27.8 18.7
Aug 34.2 29 19.6
Sep 34.7 29.7 21.2
Oct 33.9 29.5 22.1
Nov 32.8 28.8 22.1
Dec 31.3 27.6 22



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Rondonia are July, August, 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 June. For example, on the week of June 4th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late January and early February with an average of 5 days of significant precipitation the week of January 29th.

When can you find snow in Rondonia? 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 Rondonia.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 52% 0 9.3
Feb 59% 0 11.6
Mar 47% 0 10.2
Apr 38% 0 7
May 13% 0 3.1
Jun 5% 0 1.1
Jul 1% 0 0.1
Aug 1% 0 0.1
Sep 12% 0 3.2
Oct 21% 0 7.6
Nov 42% 0 10.5
Dec 53% 0 13.6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 52 0 23.6
Feb 59 0 29.5
Mar 47 0 25.9
Apr 38 0 17.8
May 13 0 7.9
Jun 5 0 2.8
Jul 1 0 0.3
Aug 1 0 0.3
Sep 12 0 8.1
Oct 21 0 19.3
Nov 42 0 26.7
Dec 53 0 34.5


Humidity and Wind

Rondonia has some very humid months, with other moderately humid months on the other side of the year. The least humid month is August (49.2% relative humidity), and the most humid month is February (77%).

Wind in Rondonia is usually calm. The windiest month is October, followed by January and August. October’s average wind speed of around 5.5 knots (6.3 MPH or 10.1 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 mid August where average top sustained speeds reach 8.9 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 5.3 Light breeze 7.6 Gentle breeze
Feb 4.8 Light breeze 7.1 Gentle breeze
Mar 4.5 Light breeze 7 Gentle breeze
Apr 4.5 Light breeze 7 Gentle breeze
May 5 Light breeze 7.4 Gentle breeze
Jun 4.5 Light breeze 6.9 Light breeze
Jul 4.4 Light breeze 7.1 Gentle breeze
Aug 5.3 Light breeze 7.9 Gentle breeze
Sep 4.8 Light breeze 7.3 Gentle breeze
Oct 5.5 Light breeze 7.7 Gentle breeze
Nov 4.9 Light breeze 7.2 Gentle breeze
Dec 5.1 Light breeze 7.3 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 75.2%
Feb 77%
Mar 75.1%
Apr 73.9%
May 69.1%
Jun 63.8%
Jul 57%
Aug 49.2%
Sep 53.2%
Oct 62.3%
Nov 70%
Dec 75.6%


Is it Safe to Travel to Rondonia?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 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 Oct 01, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Rondonia, Brazil is January, followed by April and November. 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 Rondonia in July. 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 47.9 in July means 47.9% of the tourists vs. January.



Overall Rondonia Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 90.6°F (32.6°C) and 81.9°F (27.7°C) with colder temperatures in the later months. Rain is very common with 4 to 15 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 quite warm. These months see the least precipitation with 0 to 2 days of precipitation per month. June – August is the slowest season for tourism in Rondonia, so lodging and other accommodations may cost less than usual.

Spring (September through November)

Spring daily highs range from 94.5°F (34.7°C) and 90.1°F (32.3°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 13 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 Rondonia to be enjoyable for warm weather travelers. The average high during this season is between 89.9°F (32.2°C) and 87.3°F (30.7°C). On average, it rains or snows a very great amount: 16 to 17 times per month. These times of year are the busiest with tourists.


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