January in Bissau — reliably good (2nd best month)
Good · 8.3/10January averages 27°C (80°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 0 mm for the month, with about 31 days with 6+ hours of sunshine and 11.5 hours of daylight to work with.
It scores 8.3/10 here, 2nd of 12 months, against 8.6/10 in the destination's best month.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
February in Bissau: strong conditions, 5th of 12
Good · 7.9/10February averages 28°C (82°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 0 mm for the month, with about 28 days with 6+ hours of sunshine and 11.8 hours of daylight to work with.
It scores 7.9/10 here, 5th of 12 months, against 8.6/10 in the destination's best month.
Plan for peak pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
March in Bissau — reliably good (6th best month)
Good · 7.9/10Days in March average 28°C (82°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 0 mm for the month, rain will not shape your plans; you get about 31 days with 6+ hours of sunshine and 12.1 hours of daylight.
That is 7.9/10 on the same scale — 6th of 12 months, versus 8.6/10 for the best month here.
Budget for peak pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
April in Bissau — reliably good (3rd best month)
Good · 8/10April averages 28°C (82°F), so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 0 mm for the month, with about 30 days with 6+ hours of sunshine and 12.4 hours of daylight to work with.
It scores 8/10 here, 3rd of 12 months, against 8.6/10 in the destination's best month.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
May in Bissau: strong conditions, 7th of 12
Good · 7.8/10Days in May average 28°C (83°F) — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
At just 8 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 12.7 hours of daylight.
That is 7.8/10 on the same scale — 7th of 12 months, versus 8.6/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
June in Bissau: mixed conditions, plan around the weather
Trade-offs · 5.8/10June averages 28°C (82°F) and humidity near 75%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rainfall runs 82 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 12.8 hours of daylight.
It scores 5.8/10 here, 8th of 12 months, against 8.6/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a packable rain layer.
Flexible dates? December scores 2.8 points higher here — enough to change the trip.
July in Bissau: expect compromises
Hardest · 3.4/10July averages 26°C (80°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
351 mm makes this the wettest stretch of the year, though about 23 days with 6+ hours of sunshine still appear — keep an indoor fallback ready.
It scores 3.4/10 here, 10th of 12 months, against 8.6/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? December scores 5.2 points higher here — enough to change the trip.
August in Bissau — off-season conditions
Hardest · 3.4/10At 26°C (79°F) this is comfortable city weather in August, with sightseeing easiest before lunch and after the afternoon peak.
This is the year's wettest stretch at 498 mm, but with about 20 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3.4/10 on the same scale — 11th of 12 months, versus 8.6/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack light clothing, a hat and real sun protection, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bissau — 5.2 points higher on the same scale.
September in Bissau — off-season conditions
Hardest · 3.3/10Days in September average 26°C (79°F) and humidity near 87% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
This is the year's wettest stretch at 334 mm, but with about 23 days with 6+ hours of sunshine it is not a total loss; an indoor fallback covers the risk.
That is 3.3/10 on the same scale — 12th of 12 months, versus 8.6/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
If your dates are flexible, December is materially better in Bissau — 5.3 points higher on the same scale.
October in Bissau — the hardest end of the year
Hardest · 4.1/10October averages 27°C (81°F) and humidity near 85%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Monthly rainfall reaches 144 mm — wet for this destination — but about 28 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
It scores 4.1/10 here, 9th of 12 months, against 8.6/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Flexible dates? December scores 4.5 points higher here — enough to change the trip.
November holds up well in Bissau — 4th best month
Good · 8/10November averages 27°C (81°F) and humidity near 71%, so the practical pattern is early mornings, a long midday break, and evenings back outside.
Rain is a non-issue at 7 mm for the month, with about 28 days with 6+ hours of sunshine and 11.6 hours of daylight to work with.
It scores 8/10 here, 4th of 12 months, against 8.6/10 in the destination's best month.
Plan for peak pricing, with crowds are moderate.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
December: the best month of the year in Bissau
Best window · 8.6/10At 26°C (78°F) this is comfortable city weather in December, with sightseeing easiest before lunch and after the afternoon peak.
At just 3 mm for the month, rain will not shape your plans; you get about 30 days with 6+ hours of sunshine and 11.4 hours of daylight.
On our climate-comfort scale this is the top-ranked month of the year for Bissau at 8.6/10 — the reference point every other month on this page is measured against.
Budget for peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack light clothing, a hat and real sun protection.
