December weather forecastBarro, Guinea-Bissau
December
Weather in December
The first month of the winter, December, is still a very hot month in Barro, Guinea-Bissau, with an average temperature ranging between max 35.9°C (96.6°F) and min 19.9°C (67.8°F).Temperature
The average high-temperature for December is a still torrid 35.9°C (96.6°F), closely aligning with the temperature of the preceding month. Barro's average nighttime temperature descends significantly from the day's peak in December, settling at a comfortable 19.9°C (67.8°F).Humidity
The average relative humidity in December is 26%.Rainfall
In Barro, rain does not fall in January through March and December.Daylight
The month with the shortest days is December, with an average of 11h and 24min of daylight.On the first day of December, sunrise is at 07:08 and sunset at 18:35. On the last day of the month, sunrise is at 07:23 and sunset at 18:48 GMT.
Sunshine
The average sunshine in December is 9.7h.UV index
The average daily maximum UV index in December is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 7 in December transforms into the following instructions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Barro, Guinea-Bissau
- Average high temperature in December: 35.9°C
The warmest month (with the highest average high temperature) is April (41.3°C).
The month with the lowest average high temperature is August (30.8°C).
- Average low temperature in December: 19.9°C
The month with the highest average low temperature is June (25.3°C).
The coldest month (with the lowest average low temperature) is January (19.8°C).
Average pressure in December
Barro, Guinea-Bissau
- Average pressure in December: 1011.3mbar
The month with the highest atmospheric pressure is July (1012.6mbar).
The month with the lowest atmospheric pressure is April (1009.7mbar).
Average wind speed in December
Barro, Guinea-Bissau
- Average wind speed in December: 8.9km/h
The windiest month (with the highest average wind speed) is February (9.8km/h).
The calmest month (with the lowest average wind speed) is October (6.2km/h).
Average humidity in December
Barro, Guinea-Bissau
- Average humidity in December: 26%
The month with the highest relative humidity is August (85%).
The month with the lowest relative humidity is January (20%).
Average rainfall in December
Barro, Guinea-Bissau
- Average rainfall in December: 0mm
The wettest month (with the highest rainfall) is August (224mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in December
Barro, Guinea-Bissau
- Average rainfall days in December: 0.5 days
The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is January (0.1 days).
Average daylight in December /
Average sunshine in December
Barro, Guinea-Bissau
- Average daylight in December: 11h and 24min
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 42min
The month with the most sunshine is April (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days in December
Barro, Guinea-Bissau
- Average sunshine days in December: 30.7 days
The month with the most sunshine days is January (30.8 days).
The month with the least sunshine days is August (2.5 days).
Average UV index in December
Barro, Guinea-Bissau
- Average UV index in December: 7
The months with the highest UV index are March, April and May (UV index 8).
The month with the lowest UV index is August (UV index 6).
Average cloud cover in December
Barro, Guinea-Bissau
- Average cloud cover in December: 13
The month with the most cloud cover is August (Cloud cover 62).
The months with the least cloud cover are March and April (Cloud cover 6).
Average visibility in December
Barro, Guinea-Bissau
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are August and September (7km).





