January weather forecast
Bolama, Guinea-Bissau

Weather in January

January, the same as December, in Bolama, Guinea-Bissau, is a hot winter month, with an average temperature varying between 21.8°C (71.2°F) and 34.2°C (93.6°F).
The perfect water temperature of 26.3°C (79.3°F) and only 0.3 rainfall days makes January a great period for swimming and other water activities.

Temperature

In January, the average high-temperature is practically the same as in December - a still hot 34.2°C (93.6°F). In January, the average low-temperature is 21.8°C (71.2°F).

Humidity

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

Rainfall

January and February are months without rainfall in Bolama, Guinea-Bissau.

Sea temperature

In January, the average sea temperature in Bolama is 26.3°C (79.3°F).
Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

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 January, the average sunshine 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 in Bolama. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 7 in January interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the temperature in January in Bolama?

The average high-temperature, in January, in Bolama, is 34.2°C (93.6°F), while the average low-temperature is 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?

The average relative humidity in January in Bolama 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, it doesn't rain. December is the latest month when it rains.

What is the water temperature in January in Bolama?

In January, the average sea temperature in Bolama, Guinea-Bissau, is 26.3°C (79.3°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in January in Bolama?

In Bolama, the average day length in January is 11h and 32min.

When are sunrise and sunset in January in Bolama?

On the first day of January in Bolama, 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.

How long on average sun shines in January in Bolama?

The average sunshine duration in January in Bolama, Guinea-Bissau, is 9.7h.

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

The months with the highest UV index in Bolama 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, Guinea-Bissau, are January through December, with an average maximum UV index of 7.

How high is the UV index in January in Bolama?

In Bolama, the average daily maximum UV index in January is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's 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 32min

The month with the longest days is June (Average daylight: 12h and 47min).
The month with the shortest days is December (Average daylight: 11h and 28min).

  • Average sunshine in January: 9h and 42min

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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