December weather forecast
Brigandin, French Guiana

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Weather in December

December culminates the year with heightened rainfall, a significant jump to 227mm (8.94") from November. The weather in Brigandin once again mirrors the typical rainy and damp conditions of a tropical rainforest climate. The month experiences a return to increased cloud cover, with an average of 48% cloudiness throughout the month. Marking the end of this climatic cycle, Brigandin maintains its warm temperature averages, despite the on-setting wetter season.

Temperature

Transitioning into December, Brigandin experiences an average high-temperature of a moderately hot 28.6°C (83.5°F), marking a minor shift from the preceding month. Brigandin in December observes a slight diminution in temperature from daily highs, recording a low-temperature average of 24.7°C (76.5°F).

Heat index

December's heat index is calculated to be a hot 34°C (93.2°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Brigandin, French Guiana, in December, during 26 rainfall days, 227mm (8.94") of precipitation is typically accumulated. Throughout the year, in Brigandin, there are 288 rainfall days, and 1773mm (69.8") of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 11h and 48min of daylight.
On the first day of the month, sunrise is at 06:26 and sunset at 18:16. On the last day of December, in Brigandin, French Guiana, sunrise is at 06:40 and sunset at 18:29 -03.

Sunshine

In Brigandin, the average sunshine in December is 7.4h.

UV index

January through June and December, with an average maximum UV index of 6, are months with the lowest UV index in Brigandin. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 6 in December leads to these recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

Is it hot in Brigandin during December?

In Brigandin, 28.6°C (83.5°F) is the average high-temperature and 24.7°C (76.5°F) is the average low-temperature during December. In December, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 34°C (93.2°F).

What is the average humidity in December in Brigandin?

In Brigandin, French Guiana, the average relative humidity in December is 82%.

How much does it rain in Brigandin in December?

In December, the rain falls for 26 days. Throughout December, 227mm (8.94") of precipitation is accumulated.

What is the month with the shortest days in Brigandin?

December has the shortest days of the year, with an average of 11h and 48min of daylight.

What is the average length of the day in December in Brigandin?

The average day length in December in Brigandin, French Guiana, is 11h and 49min.

When are sunrise and sunset in December in Brigandin?

On the first day of December, sunrise is at 06:26 and sunset at 18:16. On the last day of the month, sunrise is at 06:40 and sunset at 18:29 -03.

How many hours of sunshine does Brigandin have in December?

In December, the average sunshine duration in Brigandin, French Guiana, is 7.4h.

What are the months with the lowest UV index in Brigandin?

The months with the lowest UV index in Brigandin are January through June and December, with an average maximum UV index of 6.

How high is the UV index in December in Brigandin?

The average daily maximum UV index in December in Brigandin is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in December
Brigandin, French Guiana

Average temperature in December - Brigandin, French Guiana
  • Average high temperature in December: 28.6°C

The warmest months (with the highest average high temperature) are September and October (30.9°C).
The month with the lowest average high temperature is February (27.5°C).

  • Average low temperature in December: 24.7°C

The month with the highest average low temperature is November (25.1°C).
The coldest month (with the lowest average low temperature) is January (24.2°C).

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Average pressure in December
Brigandin, French Guiana

Average pressure in December - Brigandin, French Guiana
  • Average pressure in December: 1010.9mbar

The months with the highest atmospheric pressure are June and July (1013.1mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

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Average wind speed in December
Brigandin, French Guiana

Average wind speed in December - Brigandin, French Guiana
  • Average wind speed in December: 13.6km/h

The windiest month (with the highest average wind speed) is February (15.3km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).

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Average humidity in December
Brigandin, French Guiana

Average humidity in December - Brigandin, French Guiana
  • Average humidity in December: 82%

The months with the highest relative humidity are February and May (84%).
The months with the lowest relative humidity are September and October (77%).

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Average rainfall in December
Brigandin, French Guiana

Average rainfall in December - Brigandin, French Guiana
  • Average rainfall in December: 227mm

The wettest month (with the highest rainfall) is May (279mm).
The driest month (with the least rainfall) is September (29mm).

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Average rainfall days in December
Brigandin, French Guiana

Average rainfall days in December - Brigandin, French Guiana
  • Average rainfall days in December: 26 days

The month with the highest number of rainy days is May (29.6 days).
The months with the least rainy days are September and October (14.3 days).

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Average daylight in December /
Average sunshine in December
Brigandin, French Guiana

Average daylight in December / Average sunshine in December - Brigandin, French Guiana
  • Average daylight in December: 11h and 5min

The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 48min).

  • Average sunshine in December: 7h and 2min

The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

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Average sunshine days in December
Brigandin, French Guiana

Average sunshine days in December - Brigandin, French Guiana
  • Average sunshine days in December: 3.2 days

The month with the most sunshine days is October (13.2 days).
The month with the least sunshine days is May (0.6 days).

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Average UV index in December
Brigandin, French Guiana

Average UV index in December - Brigandin, French Guiana
  • Average UV index in December: 6

The months with the highest UV index are July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June and December (UV index 6).

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Average cloud cover in December
Brigandin, French Guiana

Average cloud cover in December - Brigandin, French Guiana
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in December
Brigandin, French Guiana

Average visibility in December - Brigandin, French Guiana
  • Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).

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Brigandin, French Guiana

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