January weather forecast
Bolama, Guinea-Bissau

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Weather in January

Bolama, Guinea-Bissau usually experiences its driest month in January, with rainfall measuring exactly 0mm (0"). High sea temperatures combine with high pressure to create a stable and dry atmospheric environment. The climate stays generally warm although it's not as hot compared to the upcoming months. Still, visitors should prepare for ample sunlight, as cloud cover remains relatively rare during January. The weather pattern for this period also contributes to excellent visibility, resulting in clear, sunny days which are perfect for sightseeing or beach activities.

Temperature

January's average high-temperature stands at a still hot 34.2°C (93.6°F), showing little deviation from December's 34°C (93.2°F). During January, Bolama detects a significant contrast from its daytime temperatures, with nights averaging at a pleasant 21.8°C (71.2°F).

Humidity

The least humid month in Bolama is January, with an average relative humidity of 32%.

Rainfall

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

Sea temperature

In Bolama, the average seawater temperature in January is 26.3°C (79.3°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

In Bolama, the average length of the day in January is 11h and 32min.
On the first day of January, sunrise is at 07:21 and sunset at 18:49. On the last day of the month, sunrise is at 07:26 and sunset at 19:04 GMT.

Sunshine

In Bolama, the average sunshine in January is 9.7h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 7 during January translates into these guidelines:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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Frequently asked questions

How hot does it get in Bolama in January?

Bolama in January has an average high-temperature of 34.2°C (93.6°F) and an average low-temperature of 21.8°C (71.2°F).

What is the least humid month in Bolama?

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

What is the average humidity in January in Bolama?

In Bolama, Guinea-Bissau, the average relative humidity in January is 32%.

What is the driest month in Bolama?

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

Does it rain in Bolama in January?

In January, in Bolama, it doesn't rain. December is the latest month when it rains.

What is the sea water temperature in January in Bolama?

In Bolama, Guinea-Bissau, the average seawater temperature in January is 26.3°C (79.3°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Bolama have in January?

The average day length in January in Bolama is 11h and 32min.

When is the sunrise / sunset in January in Bolama?

In January, on the first day of the month, sunrise is at 07:21 and sunset at 18:49. On the last day of the month, in Bolama, Guinea-Bissau, sunrise is at 07:26 and sunset at 19:04 GMT.

How many hours of sunshine does Bolama have in January?

In January, the average sunshine duration is 9.7h.

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

The months with the highest UV index are January through December, with an average maximum UV index of 7.

When is the lowest UV index in Bolama?

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

What is the UV index intensity in January in Bolama?

The average daily maximum UV index in January in Bolama is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Average temperature in January
Bolama, Guinea-Bissau

Average temperature in January - Bolama, Guinea-Bissau
  • Average high temperature in January: 34.2°C

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).

  • Average low temperature in January: 21.8°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).

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Average pressure in January
Bolama, Guinea-Bissau

Average pressure in January - Bolama, Guinea-Bissau
  • Average pressure in January: 1011.5mbar

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

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Average wind speed in January
Bolama, Guinea-Bissau

Average wind speed in January - Bolama, Guinea-Bissau
  • Average wind speed in January: 11.2km/h

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).

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Average humidity in January
Bolama, Guinea-Bissau

Average humidity in January - Bolama, Guinea-Bissau
  • Average humidity in January: 32%

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

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Average rainfall in January
Bolama, Guinea-Bissau

Average rainfall in January - Bolama, Guinea-Bissau
  • Average rainfall in January: 0mm

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

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Average rainfall days in January
Bolama, Guinea-Bissau

Average rainfall days in January - Bolama, Guinea-Bissau
  • Average rainfall days in January: 0.3 days

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).

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Average sea temperature in January
Bolama, Guinea-Bissau

Average sea temperature in January - Bolama, Guinea-Bissau
  • Average sea temperature in January: 26.3°C

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).

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Average daylight in January /
Average sunshine in January
Bolama, Guinea-Bissau

Average daylight in January / Average sunshine in January - Bolama, Guinea-Bissau
  • Average daylight in January: 11h and 3min

The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).

  • Average sunshine in January: 9h and 4min

The months with the most sunshine are March, April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 6min).

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Average sunshine days in January
Bolama, Guinea-Bissau

Average sunshine days in January - Bolama, Guinea-Bissau
  • Average sunshine days in January: 30.7 days

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

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Average UV index in January
Bolama, Guinea-Bissau

Average UV index in January - Bolama, Guinea-Bissau
  • Average UV index in January: 7

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

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Average cloud cover in January
Bolama, Guinea-Bissau

Average cloud cover in January - Bolama, Guinea-Bissau
  • Average cloud cover in January: 12

The month with the most cloud cover is August (Cloud cover 57).
The months with the least cloud cover are March and April (Cloud cover 7).

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Average visibility in January
Bolama, Guinea-Bissau

Average visibility in January - Bolama, Guinea-Bissau
  • Average visibility in January: 10km

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

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Bolama, Guinea-Bissau

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