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Level 1Exercise normal precautions
Exercise normal precautions
When to go · Climate guide
Guinea-Bissauwhen to go
Guinea-Bissau's national averages run from 30 °C in August to 38 °C in April, with rainfall between 0 mm in January and 467 mm in August and 2.8–9.9 hours of sun a day. Against the default preferences (under 2.7 mm of rain a day, at least 6 hours of sun), the strongest months are January, February and March. Its 9 regions span 29–35 °C in annual mean temperature, so the national figure hides a good deal.
- Capital
- Bissau
- Region
- Africa
- TZ
- Africa/Bissau
- Area
- 31,931 km²
Best months to visit
When Guinea-Bissau shines
Climate at a glance · 10-year ERA5
A decade of weather, in one page
— daytime high— overnight low▬ typical range
View data table
| Month | Average daytime high (°C) | Average overnight low (°C) | Typical low | Typical high |
|---|---|---|---|---|
| January | 34.3 | 19.5 | 17.3 | 36.9 |
| February | 36.0 | 20.9 | 18.6 | 38.5 |
| March | 37.2 | 22.5 | 20.6 | 39.4 |
| April | 37.6 | 23.9 | 22.2 | 39.7 |
| May | 36.6 | 25.1 | 23.1 | 38.8 |
| June | 33.8 | 25.4 | 23.8 | 36.9 |
| July | 30.5 | 24.5 | 23.4 | 32.8 |
| August | 30.0 | 24.2 | 23.1 | 32.2 |
| September | 30.9 | 24.0 | 22.9 | 33.2 |
| October | 32.5 | 24.2 | 22.7 | 34.0 |
| November | 33.6 | 22.8 | 19.6 | 35.5 |
| December | 33.7 | 20.0 | 17.7 | 36.2 |
View data table
| Month | Rainfall (mm) |
|---|---|
| January | 0 |
| February | 0 |
| March | 0 |
| April | 0 |
| May | 8 |
| June | 76 |
| July | 382 |
| August | 468 |
| September | 363 |
| October | 138 |
| November | 14 |
| December | 0 |
View data table
| Month | Sunshine hours (hr / day) |
|---|---|
| January | 9.1 |
| February | 9.4 |
| March | 9.9 |
| April | 9.7 |
| May | 9.0 |
| June | 6.4 |
| July | 3.2 |
| August | 2.8 |
| September | 3.8 |
| October | 6.3 |
| November | 8.4 |
| December | 8.8 |
— average▬ typical range
View data table
| Month | Average wind speed (km/h) | Typical low | Typical high |
|---|---|---|---|
| January | 9.4 | 6.2 | 14.1 |
| February | 9.5 | 6.6 | 14.6 |
| March | 9.5 | 7.4 | 12.3 |
| April | 9.9 | 7.8 | 13.0 |
| May | 10.5 | 7.5 | 13.6 |
| June | 10.2 | 6.5 | 14.2 |
| July | 9.6 | 6.1 | 13.9 |
| August | 9.7 | 5.9 | 14.2 |
| September | 7.6 | 4.6 | 11.8 |
| October | 6.1 | 4.1 | 8.9 |
| November | 6.4 | 4.7 | 8.9 |
| December | 8.7 | 5.7 | 13.6 |
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Safety · 3 governments
What the governments say about Guinea-Bissau
Combined advisory · most-cautious-wins
Reconsider travel
Highest level across 3 governments · Advisory last changed
See breakdown by countryHide breakdown
NL
Level 2Exercise increased caution
Exercise increased caution
US
Level 3Reconsider travel
Reconsider travel
Month by month
A year in Guinea-Bissau, in order
- JanJanuary34.3°C · 0 mm · 9.1 hr/day
Around 34 °C with 0 mm of rain and 9.1 hours of sun a day.
Around 34 °C with 0 mm of rain and 9.1 hours of sun a day.
- FebFebruary36.0°C · 0 mm · 9.4 hr/day
Around 36 °C with 0 mm of rain and 9.4 hours of sun a day.
Around 36 °C with 0 mm of rain and 9.4 hours of sun a day.
- MarMarch37.2°C · 0 mm · 9.9 hr/day
Around 37 °C with 0 mm of rain and 9.9 hours of sun a day.
Around 37 °C with 0 mm of rain and 9.9 hours of sun a day.
- AprApril37.6°C · 0 mm · 9.7 hr/day
Around 38 °C with 0 mm of rain and 9.7 hours of sun a day.
Around 38 °C with 0 mm of rain and 9.7 hours of sun a day.
- MayMay36.6°C · 8 mm · 9.0 hr/day
Around 37 °C with 8 mm of rain and 9.0 hours of sun a day.
Around 37 °C with 8 mm of rain and 9.0 hours of sun a day.
- JunJune33.8°C · 76 mm · 6.4 hr/day
Around 34 °C with 76 mm of rain and 6.4 hours of sun a day.
Around 34 °C with 76 mm of rain and 6.4 hours of sun a day.
- JulJuly30.5°C · 382 mm · 3.2 hr/day
Around 31 °C with 382 mm of rain and 3.2 hours of sun a day.
Around 31 °C with 382 mm of rain and 3.2 hours of sun a day.
- AugAugust30.0°C · 468 mm · 2.8 hr/day
Around 30 °C with 467 mm of rain and 2.8 hours of sun a day.
Around 30 °C with 467 mm of rain and 2.8 hours of sun a day.
- SepSeptember30.9°C · 363 mm · 3.8 hr/day
Around 31 °C with 363 mm of rain and 3.8 hours of sun a day.
Around 31 °C with 363 mm of rain and 3.8 hours of sun a day.
- OctOctober32.5°C · 138 mm · 6.3 hr/day
Around 33 °C with 138 mm of rain and 6.3 hours of sun a day.
Around 33 °C with 138 mm of rain and 6.3 hours of sun a day.
- NovNovember33.6°C · 14 mm · 8.4 hr/day
Around 34 °C with 14 mm of rain and 8.4 hours of sun a day.
Around 34 °C with 14 mm of rain and 8.4 hours of sun a day.
- DecDecember33.7°C · 0 mm · 8.8 hr/day
Around 34 °C with 0 mm of rain and 8.8 hours of sun a day.
Around 34 °C with 0 mm of rain and 8.8 hours of sun a day.
Same climate · neighbouring countries
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