Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
In December, the average high-temperature registers at a still tropical 34°C (93.2°F), nearly identical to November's 34.3°C (93.7°F). Throughout December, the temperature in Ilhéu do Mancebo, Guinea-Bissau, falls to an average low of 22.5°C (72.5°F).Humidity
In December, the average relative humidity in Ilhéu do Mancebo is 37%.Rainfall
December is the last month it rains in Ilhéu do Mancebo. During 0.7 rainfall days, in December, Ilhéu do Mancebo aggregates 1mm (0.04") of precipitation. Throughout the year, in Ilhéu do Mancebo, there are 107.5 rainfall days, and 726mm (28.58") of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 11h and 30min of daylight.On the first day of December in Ilhéu do Mancebo, 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 18:48 GMT.
Sunshine
The average sunshine in December is 9.7h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Ilhéu do Mancebo, Guinea-Bissau, are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the UV index of 7 transforms into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Ilhéu do Mancebo in December?
What is the average humidity in December in Ilhéu do Mancebo?
What is the last month it rains in Ilhéu do Mancebo?
What is the month with the shortest days in Ilhéu do Mancebo?
How many hours of daylight does Ilhéu do Mancebo have in December?
When is the sunrise / sunset in December in Ilhéu do Mancebo?
How long on average sun shines in December in Ilhéu do Mancebo?
When is the highest UV index in Ilhéu do Mancebo?
What are the months with the lowest UV index in Ilhéu do Mancebo?
What is the UV index intensity in December in Ilhéu do Mancebo?
Average temperature in December
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, Guinea-Bissau
- Average daylight in December: 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 30min).
- Average sunshine in December: 9h and 4min
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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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
Ilhéu do Mancebo, 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).
