December weather forecastSmythfield, Guyana
December
Weather in December
The first month of the winter, December, is still a warm month in Smythfield, Guyana, with an average temperature ranging between max 28.9°C (84°F) and min 25.1°C (77.2°F).Temperature
Smythfield's December showcases an average high-temperature of a warm 28.9°C (84°F), hardly distinct from November's 30.2°C (86.4°F). Smythfield indicates a consistently low-temperature of 25.1°C (77.2°F) during the nights of December.Heat index
December's average heat index is estimated at a hot 34°C (93.2°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is achieved by amalgamating air temperature with the relative humidity readings. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In Smythfield, the average relative humidity in December is 80%.Rainfall
In December, in Smythfield, the rain falls for 27.4 days. Throughout December, 208mm (8.19") of precipitation is accumulated. In Smythfield, Guyana, during the entire year, the rain falls for 312.6 days and collects up to 2298mm (90.47") of precipitation.Daylight
With an average of 11h and 48min of daylight, December has the shortest days of the year.On the first day of December in Smythfield, sunrise is at 05:45 and sunset at 17:32. On the last day of the month, sunrise is at 06:00 and sunset at 17:46 -04.
Sunshine
In Smythfield, the average sunshine in December is 7.8h.UV index
The months with the highest UV index are January, February, April, June through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 7 in December leads to these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. 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. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Smythfield, Guyana
- Average high temperature in December: 28.9°C
The warmest month (with the highest average high temperature) is September (30.8°C).
The months with the lowest average high temperature are January and February (28°C).
- Average low temperature in December: 25.1°C
The months with the highest average low temperature are September and October (25.9°C).
The coldest months (with the lowest average low temperature) are January, February and July (24.8°C).
Average pressure in December
Smythfield, Guyana
- Average pressure in December: 1010.9mbar
The month with the highest atmospheric pressure is June (1012.9mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).
Average wind speed in December
Smythfield, Guyana
- Average wind speed in December: 15.7km/h
The windiest month (with the highest average wind speed) is March (16.7km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in December
Smythfield, Guyana
- Average humidity in December: 80%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is September (76%).
Average rainfall in December
Smythfield, Guyana
- Average rainfall in December: 208mm
The wettest month (with the highest rainfall) is June (314mm).
The driest month (with the least rainfall) is March (97mm).
Average rainfall days in December
Smythfield, Guyana
- Average rainfall days in December: 27.4 days
The month with the highest number of rainy days is July (29.9 days).
The month with the least rainy days is October (23.5 days).
Average daylight in December /
Average sunshine in December
Smythfield, 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: 7h and 48min
The month with the most sunshine is September (Average sunshine: 9h and 18min).
The month with the least sunshine is April (Average sunshine: 7h and 0min).
Average sunshine days in December
Smythfield, Guyana
- Average sunshine days in December: 1.6 days
The month with the most sunshine days is October (5 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in December
Smythfield, Guyana
- Average UV index in December: 7
The months with the highest UV index are January, February, April, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are March and May (UV index 6).
Average cloud cover in December
Smythfield, Guyana
- Average cloud cover in December: 43
The months with the most cloud cover are February and April (Cloud cover 49).
The month with the least cloud cover is September (Cloud cover 24).
Average visibility in December
Smythfield, Guyana
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, September, October and December (10km).
The months with the lowest visibility are May, June, July, August and November (9km).





