The best times to visit Guinea-Bissau for ideal weather are
November 26th to April 29th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Guinea-Bissau Travel Guide
Other Guinea-Bissau Travel Info
Weather in Guinea-Bissau
Average temperatures in Guinea-Bissau 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 20th 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 Guinea-Bissau, the hottest months are April, May, and then June. See average monthly temperatures below. The warmest time of year is generally early to mid May where highs are regularly around 98.1°F (36.7°C) with temperatures rarely dropping below 77.4°F (25.2°C) at night.
Guinea-Bissau Temperatures (Fahrenheit)
Guinea-Bissau 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.
Guinea-Bissau Perceived Temperature (F)
Guinea-Bissau Perceived Temperature (C)
Average Guinea-Bissau 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 Guinea-Bissau are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 5 days of significant precipitation the week of August 6th.
When can you find snow in Guinea-Bissau? 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 Guinea-Bissau.
Snow on the Ground
The graph below shows the average snow on the ground in Guinea-Bissau (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
Guinea-Bissau has some extremely humid months, and dry months in the opposite season. The least humid month is February (29.3% relative humidity), and the most humid month is August (81.5%).
Wind in Guinea-Bissau is usually extremely calm. The windiest month is April, followed by February and May. April’s average wind speed of around 3.7 knots (4.3 MPH or 6.9 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 early to mid April where average top sustained speeds reach 8.5 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Guinea-Bissau.
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||3.4||Barely noticeable||7.4||Gentle breeze|
|Feb||3.7||Barely noticeable||8||Gentle breeze|
|Mar||3.5||Barely noticeable||6||Gentle breeze|
|Apr||3.7||Barely noticeable||8.1||Gentle breeze|
|May||3.7||Barely noticeable||8.1||Gentle breeze|
|Jun||3.5||Barely noticeable||8||Gentle breeze|
|Jul||3.2||Barely noticeable||7.5||Gentle breeze|
|Aug||3.4||Barely noticeable||7.8||Gentle breeze|
|Sep||3||Barely noticeable||6.9||Gentle breeze|
|Oct||2.7||Barely noticeable||6.2||Light breeze|
|Nov||2.8||Barely noticeable||6||Gentle breeze|
|Dec||3.3||Barely noticeable||7.1||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Guinea-Bissau?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Guinea-Bissau; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Guinea-Bissau is August, followed by June and July. 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 Guinea-Bissau 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 Guinea-Bissau Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel very warm. Highs range from 98.1°F (36.7°C) and 93.7°F (34.3°C) with similar temperatures in the later months. Rain is rare with 0 to 3 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 5 to 18 days of precipitation per month. June – August is the busiest season for tourism in Guinea-Bissau, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 91.6°F (33.1°C) and 87.1°F (30.6°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 1 to 12 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is perfect this time of year in Guinea-Bissau to be enjoyable for warm weather travelers. The average high during this season is between 97.9°F (36.6°C) and 88.4°F (31.3°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are fairly slow with tourists.
Best Times to Travel › Guinea-Bissau