December weather forecastDuà, Guinea-Bissau
December
Weather in December
The first month of the winter, December, is still a very hot month in Duà, Guinea-Bissau, with an average temperature fluctuating between 35.9°C (96.6°F) and 20°C (68°F).Temperature
The start of December marks an average high-temperature of a still sweltering 35.9°C (96.6°F), hardly distinguishable from the conditions in November. Duà's December nights cool down significantly from the day's heat, to an average low-temperature of 20°C (68°F).Humidity
In Duà, the average relative humidity in December is 39%.Rainfall
In Duà, rain does not fall in January, February and December.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 07:03 and sunset at 18:32. On the last day of December, in Duà, sunrise is at 07:18 and sunset at 18:45 GMT.
Sunshine
In Duà, the average sunshine in December is 9.6h.UV index
The months with the highest UV index are January through July, 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 unsafe exposure to UV radiation for the average person.Note: In December, an average UV index of 7 transforms into the following instructions:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Duà, Guinea-Bissau
- Average high temperature in December: 35.9°C
The warmest month (with the highest average high temperature) is March (40.2°C).
The month with the lowest average high temperature is August (29.9°C).
- Average low temperature in December: 20°C
The month with the highest average low temperature is June (25.1°C).
The coldest month (with the lowest average low temperature) is February (18.5°C).
Average pressure in December
Duà, Guinea-Bissau
- Average pressure in December: 1011.2mbar
The month with the highest atmospheric pressure is July (1013mbar).
The month with the lowest atmospheric pressure is April (1010mbar).
Average wind speed in December
Duà, Guinea-Bissau
- Average wind speed in December: 7.2km/h
The windiest month (with the highest average wind speed) is May (9.4km/h).
The calmest month (with the lowest average wind speed) is October (5.7km/h).
Average humidity in December
Duà, Guinea-Bissau
- Average humidity in December: 39%
The months with the highest relative humidity are August and September (85%).
The month with the lowest relative humidity is January (32%).
Average rainfall in December
Duà, Guinea-Bissau
- Average rainfall in December: 0mm
The wettest month (with the highest rainfall) is August (286mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days in December
Duà, Guinea-Bissau
- Average rainfall days in December: 0.2 days
The month with the highest number of rainy days is August (25.7 days).
The months with the least rainy days are January and February (0 days).
Average daylight in December /
Average sunshine in December
Duà, 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 36min
The month with the most sunshine is March (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 5h and 6min).
Average sunshine days in December
Duà, Guinea-Bissau
- Average sunshine days in December: 30.7 days
The month with the most sunshine days is January (30.9 days).
The month with the least sunshine days is August (4 days).
Average UV index in December
Duà, Guinea-Bissau
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 7).
The month with the lowest UV index is August (UV index 6).
Average cloud cover in December
Duà, Guinea-Bissau
- Average cloud cover in December: 13
The month with the most cloud cover is August (Cloud cover 65).
The month with the least cloud cover is March (Cloud cover 7).
Average visibility in December
Duà, 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 (8km).





