December weather forecastCasseque, Guinea-Bissau

December

Weather in December

The first month of the winter, December, is still a tropical month in Casseque, Guinea-Bissau, with temperature in the range of an average high of 34°C (93.2°F) and an average low of 22.5°C (72.5°F).

Temperature

The onset of December manifests an average high-temperature of a still tropical 34°C (93.2°F), demonstrating a minor variation from the preceding month. The temperature lowers to an average of 22.5°C (72.5°F) during December nights.

Humidity

The average relative humidity in December is 37%.

Rainfall

December is the last month it rains. During 0.7 rainfall days, in December, Casseque aggregates 1mm (0.04") of precipitation. In Casseque, during the entire year, the rain falls for 107.5 days and collects up to 726mm (28.58") of precipitation.

Daylight

December has the shortest days of the year, with an average of 11h and 30min of daylight.
On the first day of the month, sunrise is at 07:06 and sunset at 18:36. On the last day of December, sunrise is at 07:21 and sunset at 18:49 GMT.

Sunshine

In December, the average sunshine is 9.7h.

UV index

The months with the highest UV index in Casseque, Guinea-Bissau, are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 7 in December translates into the following instructions:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

The average high-temperature, in December, in Casseque, is 34°C (93.2°F), while the average low-temperature is 22.5°C (72.5°F). In November, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 42°C (107.6°F).

In Casseque, the average relative humidity in December is 37%.

December is the last month it rains in Casseque, Guinea-Bissau. During 0.7 rainfall days, in December, Casseque aggregates 1mm (0.04") of precipitation.

December has the shortest days of the year in Casseque, Guinea-Bissau, with an average of 11h and 30min of daylight.

In Casseque, the average day length in December is 11h and 28min.

On the first day of December in Casseque, sunrise is at 07:06 and sunset at 18:36. On the last day of the month, sunrise is at 07:21 and sunset at 18:49 GMT.

In Casseque, the average sunshine duration in December is 9.7h.

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

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

The average daily maximum UV index in December in Casseque is 7. A UV Index value of 6 to 7 symbolizes 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Casseque, Guinea-Bissau

  • Average high temperature in December: 34°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 December: 22.5°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).

Average pressure in December
Casseque, Guinea-Bissau

  • Average pressure in December: 1011.2mbar

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

Average wind speed in December
Casseque, Guinea-Bissau

  • Average wind speed in December: 10.6km/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).

Average humidity in December
Casseque, Guinea-Bissau

  • Average humidity in December: 37%

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

Average rainfall in December
Casseque, Guinea-Bissau

  • Average rainfall in December: 1mm

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

Average rainfall days in December
Casseque, Guinea-Bissau

  • Average rainfall days in December: 0.7 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).

Average daylight in December /
Average sunshine in December
Casseque, Guinea-Bissau

  • Average daylight in December: 11h and 30min

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 December: 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).

Average sunshine days in December
Casseque, Guinea-Bissau

  • Average sunshine days in December: 29.8 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).

Average UV index in December
Casseque, Guinea-Bissau

  • Average UV index in December: 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).

Average cloud cover in December
Casseque, Guinea-Bissau

  • Average cloud cover in December: 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).

Average visibility in December
Casseque, Guinea-Bissau

  • Average visibility in December: 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).