The best times to visit Parnaiba for ideal weather are
July 16th to January 7th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Parnaiba Travel Guide
Other Parnaiba Travel Info
Weather in Parnaiba
Average temperatures in Parnaiba vary barely at all. 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 21st 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 Parnaiba, the hottest months are May, December, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid May where highs are regularly around 87.8°F (31°C) with temperatures rarely dropping below 80.8°F (27.1°C) at night.
Parnaiba Temperatures (Fahrenheit)
Parnaiba Temperatures (Celsius)
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.
Parnaiba Perceived Temperature (F)
Parnaiba Perceived Temperature (C)
Average Parnaiba 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Parnaiba are August, September, and then October. 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 May. For example, on the week of May 7th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early March with an average of 6 days of significant precipitation the week of March 5th.
When can you find snow in Parnaiba? 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 Parnaiba.
Snow on the Ground
The graph below shows the average snow on the ground in Parnaiba (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Parnaiba has some very humid months, and above average humidity throughout the year. The least humid month is October (65.2% relative humidity), and the most humid month is March (74.8%).
Wind in Parnaiba is usually calm. The windiest month is October, followed by September and November. October’s average wind speed of around 10.6 knots (12.2 MPH or 19.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid October where average top sustained speeds reach 13.4 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Parnaiba.
The graph below shows wind speed (max and average) in knots.
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||6.3||Light breeze||9.3||Gentle breeze|
|Feb||4.4||Light breeze||7.1||Gentle breeze|
|Mar||3.2||Barely noticeable||6.4||Gentle breeze|
|Apr||3.5||Barely noticeable||6.3||Light breeze|
|May||5.2||Light breeze||7.9||Gentle breeze|
|Jun||5.3||Light breeze||8||Gentle breeze|
|Jul||7.3||Gentle breeze||9.7||Gentle breeze|
|Aug||8.7||Gentle breeze||11||Significant breeze|
|Sep||10.5||Gentle breeze||12.4||Gentle breeze|
|Oct||10.6||Gentle breeze||12.5||Significant breeze|
|Nov||9.5||Gentle breeze||11.4||Gentle breeze|
|Dec||8.2||Gentle breeze||10.5||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Parnaiba?
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 Parnaiba, 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 Parnaiba 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
Overall Parnaiba Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 87.6°F (30.9°C) and 84.8°F (29.3°C) with warmer temperatures in the later months. Rain is frequent with 9 to 18 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 moderate precipitation with 0 to 11 days of precipitation per month. June – August is the second busiest season for tourism in Parnaiba, so lodging and other accommodations may cost slightly more.
Spring (September through November)
Spring daily highs range from 87.4°F (30.8°C) and 86°F (30°C), which will feel very nice given the humidity and wind. It rains or snows a barely noticeable amount: 0 to 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 Parnaiba to be enjoyable for warm weather travelers. The average high during this season is between 87.8°F (31°C) and 85.1°F (29.5°C). On average, it rains or snows a smalll amount: 0 to 7 times per month. These times of year are the busiest with tourists.