The best times to visit Teresina for ideal weather are

July 16th to October 28th

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



Other Teresina Travel Info

Weather in Teresina


Average temperatures in Teresina vary very little. Considering humidity, temperatures feel hot all year with a low chance of precipitation most of the year. The area is less temperate than some — in the 17th 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 Teresina, the hottest months are October, September, and then November. See average monthly temperatures below. The warmest time of year is generally early to mid October where highs are regularly around 102°F (38.9°C) with temperatures rarely dropping below 77.6°F (25.3°C) at night.

Teresina Temperatures (Fahrenheit)


Teresina 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.

Teresina Perceived Temperature (F)


Teresina Perceived Temperature (C)



Average Teresina 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 94.3 83.4 76
Feb 92.5 82.2 75.5
Mar 92.4 82.1 75.4
Apr 91.9 82.1 75.7
May 92.3 83 76.2
Jun 93.2 83.3 75.2
Jul 94.9 83.8 74.6
Aug 97.8 85.6 74.3
Sep 100.8 87.8 76.1
Oct 101.3 88.5 77.5
Nov 99.8 87.7 77.6
Dec 97.5 86 77.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 34.6 28.6 24.4
Feb 33.6 27.9 24.2
Mar 33.6 27.8 24.1
Apr 33.3 27.8 24.3
May 33.5 28.3 24.6
Jun 34 28.5 24
Jul 34.9 28.8 23.7
Aug 36.6 29.8 23.5
Sep 38.2 31 24.5
Oct 38.5 31.4 25.3
Nov 37.7 30.9 25.3
Dec 36.4 30 25.2



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Teresina are August, September, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early August. For example, on the week of July 30th 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 4 days of significant precipitation the week of February 12th.

When can you find snow in Teresina? 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 Teresina.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 34% 0 7.5
Feb 44% 0 8.8
Mar 44% 0 9.3
Apr 46% 0 10.1
May 22% 0 5.5
Jun 5% 0 1.4
Jul 5% 0 0.6
Aug 1% 0 0.2
Sep 2% 0 0.2
Oct 6% 0 1.2
Nov 7% 0 1.3
Dec 14% 0 3.1

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 34 0 19.1
Feb 44 0 22.4
Mar 44 0 23.6
Apr 46 0 25.7
May 22 0 14
Jun 5 0 3.6
Jul 5 0 1.5
Aug 1 0 0.5
Sep 2 0 0.5
Oct 6 0 3
Nov 7 0 3.3
Dec 14 0 7.9


Humidity and Wind

Teresina has some very humid months, and slightly dry months in the opposite season. The least humid month is September (39.8% relative humidity), and the most humid month is April (79.9%).

Wind in Teresina is usually extremely calm. The windiest month is October, followed by November and September. October’s average wind speed of around 3.6 knots (4.2 MPH or 6.7 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 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 Teresina.

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 2.7 Barely noticeable 7 Gentle breeze
Feb 2.6 Barely noticeable 7.4 Gentle breeze
Mar 2.5 Barely noticeable 7.1 Gentle breeze
Apr 2.4 Barely noticeable 7.5 Gentle breeze
May 2.5 Barely noticeable 6.8 Gentle breeze
Jun 2.9 Barely noticeable 7.4 Gentle breeze
Jul 3.1 Barely noticeable 7.8 Gentle breeze
Aug 3.3 Barely noticeable 8.2 Gentle breeze
Sep 3.4 Barely noticeable 8.1 Gentle breeze
Oct 3.6 Barely noticeable 8.2 Gentle breeze
Nov 3.6 Barely noticeable 7.9 Gentle breeze
Dec 3.2 Barely noticeable 7.6 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68%
Feb 75%
Mar 77.8%
Apr 79.9%
May 73.9%
Jun 63.7%
Jul 54.2%
Aug 43%
Sep 39.8%
Oct 42.5%
Nov 47.1%
Dec 55.2%


Is it Safe to Travel to Teresina?

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 Teresina, 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 Teresina 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 Teresina 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 91.6°F (33.1°C) with similar temperatures in the later months. Rain is very common with 7 to 14 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 0 to 2 days of precipitation per month. June – August is the second busiest season for tourism in Teresina, so lodging and other accommodations may cost slightly more.

Spring (September through November)

Spring daily highs range from 102°F (38.9°C) and 99.1°F (37.3°C), which will feel warmer than comfortable given the humidity and wind. It rains or snows a normal amount: 1 to 2 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 Teresina to be enjoyable for warm weather travelers. The average high during this season is between 98°F (36.7°C) and 91.6°F (33.1°C). On average, it rains or snows a fair amount: 4 to 12 times per month. These times of year are the busiest with tourists.


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