December weather forecastIssano, Guyana
December
Weather in December
December, the first month of the winter in Issano, is also a moderately hot month, with an average temperature ranging between min 18.3°C (64.9°F) and max 27.3°C (81.1°F).Temperature
February, June and December bring Issano's lowest average temperatures, reaching a high of 27.3°C (81.1°F).Heat index
December's heat index is estimated at a hot 31°C (87.8°F). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In December, the average relative humidity in Issano is 88%.Rainfall
In Issano, Guyana, in December, it is raining for 26.6 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, there are 310.6 rainfall days, and 1432mm (56.38") of precipitation is accumulated.Daylight
December has the shortest days of the year in Issano, with an average of 11h and 48min of daylight.On the first day of the month, sunrise is at 05:52 and sunset at 17:41. On the last day of December, sunrise is at 06:07 and sunset at 17:54 -04.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year in Issano, Guyana.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in December interprets into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Issano, Guyana
- Average high temperature in December: 27.3°C
The warmest month (with the highest average high temperature) is October (29.7°C).
The months with the lowest average high temperature are February, June and December (27.3°C).
- Average low temperature in December: 18.3°C
The month with the highest average low temperature is May (18.9°C).
The coldest month (with the lowest average low temperature) is January (17.8°C).
Average pressure in December
Issano, Guyana
- Average pressure in December: 1012.4mbar
The month with the highest atmospheric pressure is June (1014.4mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in December
Issano, Guyana
- Average wind speed in December: 4km/h
The windiest month (with the highest average wind speed) is March (5.2km/h).
The calmest months (with the lowest average wind speed) are July, August, November and December (4km/h).
Average humidity in December
Issano, Guyana
- Average humidity in December: 88%
The months with the highest relative humidity are June and July (89%).
The months with the lowest relative humidity are March, April, September and October (83%).
Average rainfall in December
Issano, Guyana
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is July (237mm).
The driest month (with the least rainfall) is March (38mm).
Average rainfall days in December
Issano, Guyana
- Average rainfall days in December: 26.6 days
The months with the highest number of rainy days are July and August (30.3 days).
The month with the least rainy days is March (21.8 days).
Average daylight in December /
Average sunshine in December
Issano, 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: 5h and 12min
The month with the most sunshine is September (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Issano, Guyana
- Average sunshine days in December: 3.3 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is July (0.3 days).
Average UV index in December
Issano, Guyana
- Average UV index in December: 5
The months with the highest UV index are March, April, May, June, July, August, September, October and November (UV index 6).
The months with the lowest UV index are January, February and December (UV index 5).
Average cloud cover in December
Issano, Guyana
- Average cloud cover in December: 74
The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in December
Issano, Guyana
- Average visibility in December: 6km
The months with the highest visibility are March, August, September and October (7km).
The months with the lowest visibility are January, February, April, May, June, July, November and December (6km).
