December weather forecastGuinea Grass, Belize
December
Weather in December
December in Guinea Grass is characterized by the entry into the city's cooler period. Despite the slight rise in pressure when compared to November, it plateaus around the same average reading recorded in January, marking the completion of a full annual cycle. The month is characterized by cooler temperatures, with a recorded decline compared to November. Rainfall shows substantial reduction, marking a clear end to the rainy season. The wind speed increases by almost 1km/h (0.6mph) from November, inviting a fresher atmosphere while days shorten, keywording December as a serene closure to the year.Temperature
In December, Guinea Grass experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 27.2°C (81°F), closely mirroring the climate in November. December in Guinea Grass sees the temperature falling to a mean low of 21.7°C (71.1°F).Heat index
December's heat index is appraised at a hot 31°C (87.8°F). Continued exposure and engagement in activity might trigger tiredness and subsequently heat cramps.Evaluating the heat index requires understanding its values in the shade and with gentle winds. 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 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.
Humidity
December is the most humid month, with an average relative humidity of 83%.Rainfall
In Guinea Grass, during December, the rain falls for 21.4 days and regularly aggregates up to 82mm (3.23") of precipitation. In Guinea Grass, during the entire year, the rain falls for 262.3 days and collects up to 1335mm (52.56") of precipitation.Daylight
December has the shortest days of the year in Guinea Grass, with an average of 11h and 6min of daylight.On the first day of December, sunrise is at 06:09 and sunset at 17:17. On the last day of the month, sunrise is at 06:25 and sunset at 17:29 CST.
Sunshine
The average sunshine in December in Guinea Grass is 6.1h.UV index
The months with the lowest UV index are January, February, August, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 6 in December transforms into this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Guinea Grass, Belize
- Average high temperature in December: 27.2°C
The warmest months (with the highest average high temperature) are August and September (30.7°C).
The month with the lowest average high temperature is January (26.5°C).
- Average low temperature in December: 21.7°C
The month with the highest average low temperature is June (25.8°C).
The coldest month (with the lowest average low temperature) is January (21°C).
Average pressure in December
Guinea Grass, Belize
- Average pressure in December: 1015.1mbar
The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is September (1010.8mbar).
Average wind speed in December
Guinea Grass, Belize
- Average wind speed in December: 10.9km/h
The windiest month (with the highest average wind speed) is June (13.6km/h).
The calmest month (with the lowest average wind speed) is October (9.9km/h).
Average humidity in December
Guinea Grass, Belize
- Average humidity in December: 83%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is April (78%).
Average rainfall in December
Guinea Grass, Belize
- Average rainfall in December: 82mm
The wettest month (with the highest rainfall) is October (215mm).
The driest month (with the least rainfall) is April (31mm).
Average rainfall days in December
Guinea Grass, Belize
- Average rainfall days in December: 21.4 days
The month with the highest number of rainy days is August (26.9 days).
The month with the least rainy days is April (14.3 days).
Average daylight in December /
Average sunshine in December
Guinea Grass, Belize
- Average daylight in December: 11h and 6min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Guinea Grass, Belize
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is March (12.4 days).
The month with the least sunshine days is September (1.5 days).
Average UV index in December
Guinea Grass, Belize
- Average UV index in December: 6
The months with the highest UV index are March, April, May, June, July and September (UV index 7).
The months with the lowest UV index are January, February, August, October, November and December (UV index 6).
Average cloud cover in December
Guinea Grass, Belize
- Average cloud cover in December: 39
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is April (Cloud cover 35).
Average visibility in December
Guinea Grass, Belize
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and December (10km).
The months with the lowest visibility are October and November (9km).





