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 sea temperature 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
With December's arrival, Bolama's weather records an average high-temperature of a still hot 34°C (93.2°F), marking little difference from November's 34.3°C (93.7°F). Bolama records an average nighttime low-temperature of 22.5°C (72.5°F) throughout December.Humidity
In Bolama, the average relative humidity in December is 37%.Rainfall
December is the last month it rains. During 0.7 rainfall days, in December, Bolama aggregates 1mm (0.04") of precipitation. In Bolama, during the entire year, the rain falls for 107.5 days and collects up to 726mm (28.58") of precipitation.Sea temperature
In Bolama, in December, the average water temperature is 27.5°C (81.5°F).Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.
Daylight
The month with the shortest days is December, with an average of 11h and 30min of daylight.On the first day of December, sunrise is at 07:06 and sunset at 18:35. 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 are January 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 the average person.Note: The maximum daily UV index of 7 during December translates into the following directions:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in December?
What is the average humidity in December?
What is the last month it rains?
What is the water temperature in December in Bolama?
What is the month with the shortest days?
How many hours of daylight does Bolama have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the highest UV index?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Bolama, 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
Bolama, 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
Bolama, 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
Bolama, 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
Bolama, 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
Bolama, 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 sea temperature in December
Bolama, Guinea-Bissau
- Average sea temperature in December: 27.5°C
The best month for swimming (with the highest average sea temperature) is November (28.6°C).
The coldest month (with the lowest average sea temperature) is February (25.4°C).
Average daylight in December /
Average sunshine in December
Bolama, 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
Bolama, 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
Bolama, 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
Bolama, 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
Bolama, 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).
