December weather forecast
Biacha, Guinea-Bissau

December

Weather in December

December, the first month of the winter in Biacha, is still a torrid month, with an average temperature varying between 21.8°C (71.2°F) and 35.2°C (95.4°F).

Temperature

The shift into December reveals an average high-temperature of a still torrid 35.2°C (95.4°F), closely mirroring November's climate. Despite the high peak temperatures, Biacha witnesses an average nighttime cooling to an agreeable 21.8°C (71.2°F) in December.

Humidity

The average relative humidity in December in Biacha is 33%.

Rainfall

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

Daylight

The month with the shortest days is December, with an average of 11h and 24min of daylight.
On the first day of the month, sunrise is at 07:09 and sunset at 18:37. On the last day of December, sunrise is at 07:24 and sunset at 18:50 GMT.

Sunshine

In Biacha, the average sunshine in December 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 value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.
Note: A maximum high UV index of 7 in December translates into the following recommendations:
Deter overexposure. Protecting against the sun's effects is essential. 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. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

How hot does it get in Biacha in December?
The high-temperature, in December, in Biacha, is 35.2°C (95.4°F), while the low-temperature averages to 21.8°C (71.2°F). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in November is evaluated at 43°C (109.4°F).
What is the average humidity in December in Biacha?
In Biacha, the average relative humidity in December is 33%.
What is the driest month in Biacha?
January, February and December are months without rainfall in Biacha, Guinea-Bissau.
Does it rain in Biacha in December?
In December, it doesn't rain. November is the latest month when it rains.
What is the month with the shortest days in Biacha?
December has the shortest days of the year in Biacha, with an average of 11h and 24min of daylight.
What is the average length of the day in December in Biacha?
In Biacha, Guinea-Bissau, the average day length in December is 11h and 26min.
What time are sunrise and sunset in December in Biacha?
In December, on the first day of the month, sunrise is at 07:09 and sunset at 18:37. On the last day of the month, in Biacha, Guinea-Bissau, sunrise is at 07:24 and sunset at 18:50 GMT.
How long on average sun shines in December in Biacha?
The average sunshine duration in December in Biacha is 9.7h.
When is the highest UV index in Biacha?
The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7.
What is the UV index reading in December in Biacha?
The average daily maximum UV index in December in Biacha, Guinea-Bissau, is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Biacha, Guinea-Bissau
  • Average high temperature in December: 35.2°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 December: 21.8°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).

Average pressure in December
Biacha, Guinea-Bissau
  • Average pressure in December: 1011.3mbar

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

Average wind speed in December
Biacha, Guinea-Bissau
  • Average wind speed in December: 10.6km/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).

Average humidity in December
Biacha, Guinea-Bissau
  • Average humidity in December: 33%

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

Average rainfall in December
Biacha, Guinea-Bissau
  • Average rainfall in December: 0mm

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

Average rainfall days in December
Biacha, Guinea-Bissau
  • Average rainfall days in December: 0.4 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).

Average daylight in December /
Average sunshine in December
Biacha, Guinea-Bissau
  • Average daylight in December: 11h and 2min

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 December: 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).

Average sunshine days in December
Biacha, Guinea-Bissau
  • Average sunshine days in December: 30.5 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).

Average UV index in December
Biacha, Guinea-Bissau
  • Average UV index in December: 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).

Average cloud cover in December
Biacha, Guinea-Bissau
  • Average cloud cover in December: 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).

Average visibility in December
Biacha, Guinea-Bissau
  • Average visibility in December: 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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