Monthly weather forecast and climate
Bolama, Guinea-Bissau

The best time to visit Bolama

The best months for a swim in Bolama, Guinea-Bissau, are January through May, November and December, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

Weather in January

January, like December, is another tropical winter month in Bolama, Guinea-Bissau, with average temperature ranging between min 21.8°C (71.2°F) and max 34.2°C (93.6°F). The ideal sea water temperature of 26.3°C (79.3°F) and only 0.3 rainfall days makes January the best time for swimming and other water activities. Weather in January »

Weather in February

The last month of the winter, February, is another hot month in Bolama, Guinea-Bissau, with average temperature ranging between max 34.9°C (94.8°F) and min 22.1°C (71.8°F). The perfect water temperature of 25.4°C (77.7°F) and only 0.4 rainfall days makes February a great period for swimming and other water activities. Weather in February »

Weather in March

March, the first month of the spring, in Bolama, is a torrid month, with average temperature fluctuating between 35.5°C (95.9°F) and 22.8°C (73°F). An excellent water temperature of 25.7°C (78.3°F) and only 0.7 rainfall days, with 1mm (0.04") of accumulated rainfall, makes March a prime for swimming and other water activities. Weather in March »

Weather in April

April, the same as March, is another torrid spring month in Bolama, Guinea-Bissau, with average temperature varying between 23.5°C (74.3°F) and 35°C (95°F). The perfect water temperature of 25.9°C (78.6°F) with 1mm (0.04") of accumulated rainfall and only 2.2 rainfall days, makes April a great period for swimming and other water activities. Weather in April »

Weather in May

The last month of the spring, May, is another hot month in Bolama, Guinea-Bissau, with average temperature ranging between min 24.4°C (75.9°F) and max 33.7°C (92.7°F). The perfect water temperature of 26.8°C (80.2°F) with 7mm (0.28") of accumulated rainfall and only 3.8 rainfall days, makes May a great period for swimming and other water activities. Weather in May »

Weather in June

June, the first month of the summer, in Bolama, is still a hot month, with average temperature ranging between max 32.8°C (91°F) and min 26°C (78.8°F). In June, the average high-temperature is almost the same as in May - a still hot 32.8°C (91°F). Weather in June »

Weather in July

July, the same as June, in Bolama, Guinea-Bissau, is another tropical summer month, with average temperature varying between 30.7°C (87.3°F) and 25.4°C (77.7°F). In July, the average high-temperature is almost the same as in June - a still hot 30.7°C (87.3°F). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Bolama, Guinea-Bissau, with average temperature ranging between max 29.6°C (85.3°F) and min 25°C (77°F). With an average high-temperature of 29.6°C (85.3°F) and an average low-temperature of 25°C (77°F), August is the coldest month. In August, the average heat index is calculated to a sweltering 37°C (98.6°F). Weather in August »

Weather in September

September, the first month of the autumn, in Bolama, is a hot month, with temperature in the range of an average high of 30.5°C (86.9°F) and an average low of 25°C (77°F). In September, the average high-temperature is relatively the same as in August - a hot 30.5°C (86.9°F). Weather in September »

Weather in October

October, the same as September, in Bolama, Guinea-Bissau, is another tropical autumn month, with average temperature ranging between min 25.7°C (78.3°F) and max 32.9°C (91.2°F). In October, the average high-temperature is almost the same as in September - a still hot 32.9°C (91.2°F). Weather in October »

Weather in November

November, the last month of the autumn, in Bolama, is another hot month, with average temperature fluctuating between 34.3°C (93.7°F) and 24.7°C (76.5°F). An excellent water temperature of 28.6°C (83.5°F) and only 3.6 rainfall days, with 8mm (0.31") of accumulated rainfall, makes November a prime for swimming and other water activities. Weather in November »

Weather in December

December, the first month of the winter, in Bolama, is also a hot month, with average temperature ranging between max 34°C (93.2°F) and min 22.5°C (72.5°F). The ideal sea water temperature of 27.5°C (81.5°F) and only 0.7 rainfall days, with 1mm (0.04") of accumulated rainfall, makes December the best time for swimming and other water activities. Weather in December »
[Resources]

FAQ

What is the least humid month in Bolama?

With an average relative humidity of 32%, January is the least humid month.

How many days does it rain in Bolama?

Throughout the year, there are 107.5 rainfall days, and 726mm (28.58") of precipitation is accumulated.

What is the driest month in Bolama?

In Bolama, Guinea-Bissau, rain does not fall in January and February.

What is the month with the shortest days in Bolama?

January and December, with an average of 11.5h of daylight, are months with the shortest days in Bolama, Guinea-Bissau.

What are the months with the highest UV index in Bolama?

Months with the highest UV index in Bolama are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Bolama?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Bolama.

What is the month with the coldest sea water in Bolama?

February is the month with the coldest seawater in Bolama, with an average sea temperature of 25.4°C (77.7°F).

What is the warmest month in Bolama?

The warmest month is March, with an average high-temperature of 35.5°C (95.9°F) and an average low-temperature of 22.8°C (73°F).

When does it rain in Bolama?

Months with rainfall in Bolama are March through December.

What are the months with the most sunshine in Bolama?

March through May, with an average of 9.9h of sunshine, are months with the most sunshine in Bolama.

When are the longest days in Bolama?

With an average of 12.8h of daylight, June has the longest days of the year in Bolama.

What is the coldest month in Bolama?

With an average high-temperature of 29.6°C (85.3°F) and an average low-temperature of 25°C (77°F), August is the coldest month.

What is the most humid month in Bolama?

August is the most humid month, with an average relative humidity of 82%.

What is the wettest month in Bolama?

The month with the most rainfall in Bolama is August when the rain falls for 26.9 days and typically aggregates up to 270mm (10.63") of precipitation.

What is the month with the least sunshine in Bolama?

With an average of 6.1h of sunshine, August has the least sunshine of the year in Bolama, Guinea-Bissau.

When is the sea warmest in Bolama?

With an average sea temperature of 28.6°C (83.5°F), November is the month with the warmest seawater.

Average temperature
Bolama, Guinea-Bissau

Average temperature - Bolama, Guinea-Bissau

The warmest month (with the highest average high temperature) is March (35.5°C).
The month with the lowest average high temperature is August (29.6°C).

The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is January (21.8°C).

[Resources]

Average pressure
Bolama, Guinea-Bissau

Average pressure - Bolama, Guinea-Bissau

The month with the highest atmospheric pressure is July (1012.9mbar).
Months with the lowest atmospheric pressure are March and April (1010.1mbar).

[Resources]

Average wind speed
Bolama, Guinea-Bissau

Average wind speed - Bolama, Guinea-Bissau

The windiest month (with the highest average wind speed) is June (13.2km/h).
The calmest months (with the lowest average wind speed) are October and November (9km/h).

[Resources]

Average humidity
Bolama, Guinea-Bissau

Average humidity - Bolama, Guinea-Bissau

The month with the highest relative humidity is August (82%).
The month with the lowest relative humidity is January (32%).

[Resources]

Average rainfall
Bolama, Guinea-Bissau

Average rainfall - Bolama, Guinea-Bissau

The wettest month (with the highest rainfall) is August (270mm).
The driest months (with the least rainfall) are January and February (0mm).

[Resources]

Average rainfall days
Bolama, Guinea-Bissau

Average rainfall days - Bolama, Guinea-Bissau

The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is January (0.3 days).

[Resources]

Average sea temperature
Bolama, Guinea-Bissau

Average sea temperature - Bolama, Guinea-Bissau

The best month for swimming (with the highest average sea temperature) is November (28.6°C).
The coldest month (with the lowest average sea temperature) is February (25.4°C).

[Resources]

Average daylight / Average sunshine
Bolama, Guinea-Bissau

Average daylight / Average sunshine - Bolama, Guinea-Bissau

The month with the longest days is June (Average daylight: 12.8h).
Months with the shortest days are January and December (Average daylight: 11.5h).

Months with the most sunshine are March, April and May (Average sunshine: 9.9h).
The month with the least sunshine is August (Average sunshine: 6.1h).

[Resources]

Average sunshine days
Bolama, Guinea-Bissau

Average sunshine days - Bolama, Guinea-Bissau

The month with the most sunshine days is January (30.7 days).
The month with the least sunshine days is August (2.9 days).

[Resources]

Average UV index
Bolama, Guinea-Bissau

Average UV index - Bolama, Guinea-Bissau

Months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

[Resources]

Average visibility
Bolama, Guinea-Bissau

Average visibility - Bolama, Guinea-Bissau

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (10km).
Months with the lowest visibility are July and August (9km).

[Resources]