December weather forecastAmpa, Guyana

December

Weather in December

The first month of the winter, December, is still a warm month in Ampa, Guyana, with an average temperature ranging between max 29.9°C (85.8°F) and min 22.4°C (72.3°F).

Temperature

The average high-temperature during December registers at a warm 29.9°C (85.8°F), closely corresponding to the preceding month. Ampa experiences a mean temperature of 22.4°C (72.3°F) during December nights.

Heat index

For most parts of December, the heat index is evaluated at a very hot 39°C (102.2°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
When referencing the heat index, its values are suitable for shady environments and light breezes. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in December in Ampa, Guyana, is 84%.

Rainfall

In Ampa, in December, it is raining for 29.1 days, with typically 138mm (5.43") of accumulated precipitation. Throughout the year, there are 312.9 rainfall days, and 1254mm (49.37") of precipitation is accumulated.

Daylight

December has the shortest days of the year in Ampa, with an average of 11h and 48min of daylight.
On the first day of December, sunrise is at 05:50 and sunset at 17:36. On the last day of the month, sunrise is at 06:04 and sunset at 17:50 -04.

Sunshine

The average sunshine in December in Ampa 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 Ampa, Guyana. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 6 during December translates into these guidelines:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

The high-temperature, in December, in Ampa, is 29.9°C (85.8°F), while the low-temperature averages to 22.4°C (72.3°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in December is evaluated at 39°C (102.2°F).

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

In Ampa, during December, the rain falls for 29.1 days and regularly aggregates up to 138mm (5.43") of precipitation.

The month with the shortest days in Ampa, Guyana, is December, with an average of 11h and 48min of daylight.

In December, the average day length is 11h and 46min.

On the first day of December, sunrise is at 05:50 and sunset at 17:36. On the last day of the month, sunrise is at 06:04 and sunset at 17:50 -04.

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

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

The average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.
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
Ampa, 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
Ampa, 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
Ampa, 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
Ampa, 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
Ampa, 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
Ampa, 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
Ampa, Guyana

  • Average daylight in December: 11h and 48min

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 48min).

  • 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
Ampa, 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
Ampa, 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
Ampa, 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
Ampa, 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).