December weather forecastCaiar, Guinea-Bissau
December weather for Caiar, Guinea-Bissau: The first month of the winter, December, is still a very hot month in Caiar, Guinea-Bissau, with temperature in the range of an average low of 20°C (68°F) and an average high of 35.9°C (96.6°F). January through July, September through December, with an average maximum UV index of 7, are months with the highest UV index in Caiar, Guinea-Bissau.
December
Weather in December
The first month of the winter, December, is still a very hot month in Caiar, Guinea-Bissau, with temperature in the range of an average low of 20°C (68°F) and an average high of 35.9°C (96.6°F).Temperature
December's weather displays an average high-temperature of a still very hot 35.9°C (96.6°F), slightly varied from November's 35°C (95°F). In the face of high daytime temperatures, Caiar witnesses a consistent average nighttime low of 20°C (68°F) during December.Humidity
In Caiar, the average relative humidity in December is 39%.Rainfall
January, February and December are months without rainfall.Daylight
With an average of 11h and 30min of daylight, December has the shortest days of the year in Caiar.On the first day of December, sunrise is at 07:05 and sunset at 18:36. On the last day of the month, sunrise is at 07:20 and sunset at 18:49 GMT.
Sunshine
In December, the average sunshine is 9.6h.UV index
The months with the highest UV index in Caiar are January through July, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 during December translates into the following directions:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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
Caiar, 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).
