December weather forecast
Clement, French Guiana

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Weather in December

December carries forward the transition commenced in November, marking the onset of the wet season in Clement, French Guiana. Rainfall spikes to 146mm (5.75"), ensuring plentiful rainy days throughout the month. Although the cloud cover increases and the sunshine duration reduces, it hardly affects the city's festive spirit. The temperatures are relatively lower, providing a cooler ambience. Additionally, high humidity levels contribute to the overall sensation of warmth typical of tropical December.

Temperature

The arrival of December in Clement is marked by a minor reduction in average high-temperature, sliding from a hot 33°C (91.4°F) in November to a moderately hot 29.8°C (85.6°F). In the month of December, an average of 22°C (71.6°F) marks the low-temperature in Clement, French Guiana.

Heat index

In December, the average heat index is estimated at a sweltering 39°C (102.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In December, the average relative humidity in Clement is 86%.

Rainfall

In December, in Clement, the rain falls for 25.1 days. Throughout December, 146mm (5.75") of precipitation is accumulated. In Clement, during the entire year, the rain falls for 270.6 days and collects up to 1131mm (44.53") of precipitation.

Daylight

December has the shortest days of the year in Clement, with an average of 11h and 54min of daylight.
On the first day of December, sunrise is at 06:21 and sunset at 18:17. On the last day of the month, sunrise is at 06:35 and sunset at 18:31 -03.

Sunshine

In December, the average sunshine in Clement is 5.9h.

UV index

January through July, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, the maximum UV index of 6 suggests this advice:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

How hot is it in Clement in December?

December temperatures in Clement, French Guiana, vary between a high-temperature of 29.8°C (85.6°F) and a low-temperature of 22°C (71.6°F). In December, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 39°C (102.2°F).

What is the average humidity in December in Clement?

In Clement, the average relative humidity in December is 86%.

How much does it rain in Clement in December?

In Clement, French Guiana, in December, it is raining for 25.1 days, with typically 146mm (5.75") of accumulated precipitation.

What is the month with the shortest days in Clement?

The month with the shortest days in Clement is December, with an average of 11h and 54min of daylight.

How many hours of daylight does Clement have in December?

In December, the average day length is 11h and 56min.

What time are sunrise and sunset in December in Clement?

In December, on the first day of the month, sunrise is at 06:21 and sunset at 18:17. On the last day of the month, in Clement, sunrise is at 06:35 and sunset at 18:31 -03.

How long on average sun shines in December in Clement?

The average sunshine duration in December in Clement is 5.9h.

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

The months with the lowest UV index in Clement, French Guiana, are January through July, November and December, with an average maximum UV index of 6.

What is the UV index reading in December in Clement?

In Clement, French Guiana, the average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Clement, French Guiana

Average temperature in December - Clement, French Guiana
  • Average high temperature in December: 29.8°C

The warmest month (with the highest average high temperature) is October (34.3°C).
The month with the lowest average high temperature is February (27.9°C).

  • Average low temperature in December: 22°C

The month with the highest average low temperature is April (22.4°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).

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Average pressure in December
Clement, French Guiana

Average pressure in December - Clement, French Guiana
  • Average pressure in December: 1010.8mbar

The month with the highest atmospheric pressure is July (1013.2mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

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Average wind speed in December
Clement, French Guiana

Average wind speed in December - Clement, French Guiana
  • Average wind speed in December: 5.6km/h

The windiest month (with the highest average wind speed) is October (6.1km/h).
The calmest month (with the lowest average wind speed) is June (4.2km/h).

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Average humidity in December
Clement, French Guiana

Average humidity in December - Clement, French Guiana
  • Average humidity in December: 86%

The month with the highest relative humidity is May (91%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in December
Clement, French Guiana

Average rainfall in December - Clement, French Guiana
  • Average rainfall in December: 146mm

The wettest month (with the highest rainfall) is May (195mm).
The driest month (with the least rainfall) is September (21mm).

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Average rainfall days in December
Clement, French Guiana

Average rainfall days in December - Clement, French Guiana
  • Average rainfall days in December: 25.1 days

The month with the highest number of rainy days is May (28.9 days).
The month with the least rainy days is October (12 days).

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

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

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is September (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in December
Clement, French Guiana

Average sunshine days in December - Clement, French Guiana
  • Average sunshine days in December: 4.5 days

The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is May (1.8 days).

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Average UV index in December
Clement, French Guiana

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

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

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Average cloud cover in December
Clement, French Guiana

Average cloud cover in December - Clement, French Guiana
  • Average cloud cover in December: 67

The month with the most cloud cover is February (Cloud cover 78).
The month with the least cloud cover is October (Cloud cover 46).

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Average visibility in December
Clement, French Guiana

Average visibility in December - Clement, French Guiana
  • Average visibility in December: 6km

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

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Clement, French Guiana

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