December weather forecastAnna Catherina, Guyana

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Anna Catherina, Guyana, with an average temperature fluctuating between 29.9°C (85.8°F) and 22.4°C (72.3°F).

Temperature

December records an average high-temperature of a moderately hot 29.9°C (85.8°F), indicating a minor variation from the preceding month. During the nights in December, Anna Catherina experiences a consistent average temperature of 22.4°C (72.3°F).

Heat index

The heat index value during December is computed to be a sweltering 39°C (102.2°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
The natural method the human body uses to remove excess heat is by perspiring and letting sweat evaporate. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In Anna Catherina, the average relative humidity in December is 84%.

Rainfall

In Anna Catherina, during December, the rain falls for 29.1 days and regularly aggregates up to 138mm (5.43") of precipitation. Throughout the year, there are 312.9 rainfall days, and 1254mm (49.37") of precipitation is accumulated.

Daylight

With an average of 11h and 42min of daylight, December has the shortest days of the year.
On the first day of December in Anna Catherina, sunrise is at 05:49 and sunset at 17:35. On the last day of the month, sunrise is at 06:04 and sunset at 17:48 -04.

Sunshine

In December, the average sunshine is 6.7h.

UV index

January, February, May, June and December, with an average maximum UV index of 6, are months with the lowest UV index in Anna Catherina, Guyana. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 6 during December leads to these instructions:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Frequently asked questions

The average high-temperature, in December, in Anna Catherina, is 29.9°C (85.8°F), while the average low-temperature is 22.4°C (72.3°F). In December, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 39°C (102.2°F).

In Anna Catherina, Guyana, the average relative humidity in December is 84%.

In December, in Anna Catherina, the rain falls for 29.1 days. Throughout December, 138mm (5.43") of precipitation is accumulated.

With an average of 11h and 42min of daylight, December has the shortest days of the year in Anna Catherina.

The average day length in December in Anna Catherina is 11h and 44min.

On the first day of December in Anna Catherina, sunrise is at 05:49 and sunset at 17:35. On the last day of the month, sunrise is at 06:04 and sunset at 17:48 -04.

In Anna Catherina, Guyana, the average sunshine duration in December is 6.7h.

The months with the lowest UV index are January, February, May, June and December, with an average maximum UV index of 6.

The average daily maximum UV index in December in Anna Catherina is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Anna Catherina, Guyana

  • Average high temperature in December: 29.9°C

The warmest month (with the highest average high temperature) is September (33.1°C).
The month with the lowest average high temperature is January (29.3°C).

  • Average low temperature in December: 22.4°C

The month with the highest average low temperature is October (23.5°C).
The coldest month (with the lowest average low temperature) is January (21.8°C).

Average pressure in December
Anna Catherina, Guyana

  • Average pressure in December: 1011.4mbar

The month with the highest atmospheric pressure is June (1013.3mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).

Average wind speed in December
Anna Catherina, Guyana

  • Average wind speed in December: 6km/h

The windiest month (with the highest average wind speed) is March (7.3km/h).
The calmest months (with the lowest average wind speed) are July and August (5.1km/h).

Average humidity in December
Anna Catherina, Guyana

  • Average humidity in December: 84%

The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are September and October (78%).

Average rainfall in December
Anna Catherina, Guyana

  • Average rainfall in December: 138mm

The wettest month (with the highest rainfall) is June (167mm).
The driest month (with the least rainfall) is September (55mm).

Average rainfall days in December
Anna Catherina, Guyana

  • Average rainfall days in December: 29.1 days

The month with the highest number of rainy days is December (29.1 days).
The month with the least rainy days is August (20.8 days).

Average daylight in December /
Average sunshine in December
Anna Catherina, Guyana

  • Average daylight in December: 11h and 42min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in December: 6h and 42min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).

Average sunshine days in December
Anna Catherina, Guyana

  • Average sunshine days in December: 0.3 days

The month with the most sunshine days is August (8.5 days).
The month with the least sunshine days is December (0.3 days).

Average UV index in December
Anna Catherina, Guyana

  • Average UV index in December: 6

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

Average cloud cover in December
Anna Catherina, Guyana

  • Average cloud cover in December: 52

The month with the most cloud cover is May (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 31).

Average visibility in December
Anna Catherina, Guyana

  • Average visibility in December: 8km

The months with the highest visibility are March and April (9km).
The months with the lowest visibility are June and July (7km).