January weather forecast
Cacheu, Guinea-Bissau

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Weather in January

As the first month of the year, January presents a pleasant start to the year in Cacheu, Guinea-Bissau. Although quite dry and far from the rainy season, this month still creates a magnificent atmosphere while the daylight lasts for about 11.5 hours. With a steadily low humidity, the weather remains comfortable, particularly with a maximum temperature rising to a pleasing 35.3°C (95.5°F). It serves as an excellent opportunity to revel in the warming sun before the onset of the rainy season. With an average relative humidity of 26% and average rainfall of 0mm (0"), January often promises bright, sunny days.

Temperature

With the start of January, Cacheu measures an average high-temperature of a still fiery hot 35.3°C (95.5°F), not significantly differing from December's 35.2°C (95.4°F). Marked by a significant drop from the daytime highs, Cacheu's average low-temperature in January stands at a pleasant 21.2°C (70.2°F).

Humidity

January is the least humid month in Cacheu, with an average relative humidity of 26%.

Rainfall

January, February and December are months without rainfall in Cacheu.

Sea temperature

In January, the average sea temperature in Cacheu is 24.4°C (75.9°F).
Note: People sensitive to cold might find swimming in 24.4°C (75.9°F) challenging. However, conditions like sunshine, wind, and ambient temperature play a significant role in the overall comfort. Wetsuits, while optional, might be beneficial.

Daylight

In Cacheu, Guinea-Bissau, the average length of the day in January is 11h and 30min.
On the first day of the month, sunrise is at 07:25 and sunset at 18:50. On the last day of January, sunrise is at 07:30 and sunset at 19:06 GMT.

Sunshine

The average sunshine in January is 9.7h.

UV index

The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, a regular UV index of 7 translates into these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be mindful! Sand and water reflections can up the Sun's UV exposure.
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Frequently asked questions

How hot is it in Cacheu in January?

Cacheu in January has an average high-temperature of 35.3°C (95.5°F) and an average low-temperature of 21.2°C (70.2°F).

What is the least humid month in Cacheu?

The least humid month in Cacheu, Guinea-Bissau, is January, with an average relative humidity of 26%.

What is the average humidity in January in Cacheu?

The average relative humidity in January in Cacheu is 26%.

What is the driest month in Cacheu?

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

How warm is the water in January in Cacheu?

In Cacheu, Guinea-Bissau, in January, the average water temperature is 24.4°C (75.9°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.4°C (75.9°F).

How many hours of daylight does Cacheu have in January?

In January, the average day length in Cacheu, Guinea-Bissau, is 11h and 30min.

What time are sunrise and sunset in January in Cacheu?

In January, on the first day of the month, sunrise is at 07:25 and sunset at 18:50. On the last day of the month, in Cacheu, sunrise is at 07:30 and sunset at 19:06 GMT.

How many hours of sunshine does Cacheu have in January?

In January, the average sunshine duration in Cacheu, Guinea-Bissau, is 9.7h.

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

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

How high is the UV index in January in Cacheu?

The average daily maximum UV index in January in Cacheu is 7. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in January
Cacheu, Guinea-Bissau

Average temperature in January - Cacheu, Guinea-Bissau
  • Average high temperature in January: 35.3°C

The warmest month (with the highest average high temperature) is March (37.1°C).
The month with the lowest average high temperature is August (29.8°C).

  • Average low temperature in January: 21.2°C

The month with the highest average low temperature is June (25.7°C).
The coldest month (with the lowest average low temperature) is January (21.2°C).

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Average pressure in January
Cacheu, Guinea-Bissau

Average pressure in January - Cacheu, Guinea-Bissau
  • Average pressure in January: 1011.6mbar

The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is April (1010.2mbar).

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Average wind speed in January
Cacheu, Guinea-Bissau

Average wind speed in January - Cacheu, Guinea-Bissau
  • Average wind speed in January: 11.5km/h

The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is October (8.6km/h).

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Average humidity in January
Cacheu, Guinea-Bissau

Average humidity in January - Cacheu, Guinea-Bissau
  • Average humidity in January: 26%

The month with the highest relative humidity is August (81%).
The month with the lowest relative humidity is January (26%).

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Average rainfall in January
Cacheu, Guinea-Bissau

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

The wettest month (with the highest rainfall) is August (254mm).
The driest months (with the least rainfall) are January, February and December (0mm).

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Average rainfall days in January
Cacheu, Guinea-Bissau

Average rainfall days in January - Cacheu, Guinea-Bissau
  • Average rainfall days in January: 0.1 days

The month with the highest number of rainy days is August (27.1 days).
The month with the least rainy days is January (0.1 days).

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Average sea temperature in January
Cacheu, Guinea-Bissau

Average sea temperature in January - Cacheu, Guinea-Bissau
  • Average sea temperature in January: 24.4°C

The best month for swimming (with the highest average sea temperature) is October (28.9°C).
The coldest month (with the lowest average sea temperature) is February (23.3°C).

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

Average daylight in January / Average sunshine in January - Cacheu, 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 24min).

  • Average sunshine in January: 9h and 4min

The months with the most sunshine are March and April (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).

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Average sunshine days in January
Cacheu, Guinea-Bissau

Average sunshine days in January - Cacheu, 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 (3.3 days).

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Average UV index in January
Cacheu, Guinea-Bissau

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

The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).

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Average cloud cover in January
Cacheu, Guinea-Bissau

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

The month with the most cloud cover is August (Cloud cover 58).
The months with the least cloud cover are March and April (Cloud cover 7).

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Average visibility in January
Cacheu, Guinea-Bissau

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

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

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Cacheu, Guinea-Bissau

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