Bissau weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Fair
Best time to visit: November – December
What is the weather like in Bissau in January?
In January, Bissau is very hot: daytime highs average 33 °C, and even at night it stays warm at around 21 °C. The sea averages 25.4 °C – pleasant for swimming. The sun shines for around 8 hours a day. It hardly ever rains. On about 30 days the thermometer climbs to 30 °C or more. All in all, January is a so-so month for a holiday in Bissau.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 60 | 59 | 50 |
| Day | 33° | 33° | 35° |
| Night | 22° | 21° | 21° |
| Sea | 27° | 25° | 25° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 0 | 0 | 0 |
More details for January
- Daylight
- 11 h 30 min07:26 – 18:56
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 39 %on averageAll months
- Hot days
- 30 days30 °C or moreAll months
- Time zone
- UTC+0Africa/Bissau
How the score comes together
- Temperatureweight 50 %22 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
Bissau in January: quick answers
Is Bissau hot in January?
Yes. In January, Bissau is very hot: daytime highs average 33 °C and nights stay around 21 °C. On about 30 days the thermometer climbs to 30 °C or more.
Can you swim in Bissau in January?
Yes. In January the sea averages 25.4 °C – pleasant for swimming.
Does it rain much in Bissau in January?
It hardly ever rains.
Bissau month by month
The whole year in BissauAll destinations: Guinea-BissauWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences