Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The arrival of December coincides with an average high-temperature of a still moderately hot 80.6°F (27°C), indicating a minimal shift from November's 82.4°F (28°C). Nights in December cool down in Yabucoa, Puerto Rico, indicating a minor disparity from daytime highs with an average low-temperature of 74.7°F (23.7°C).Heat index
December's heat index is calculated to be a tropical 86°F (30°C). Enduring exposure and unrelenting activity might cause a state of weariness, potentially leading to heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a composite of temperature and humidity figures to convey how warm it feels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Humidity
The average relative humidity in December in Yabucoa, Puerto Rico, is 79%.Rainfall
In Yabucoa, in December, during 14.9 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Yabucoa, during the entire year, the rain falls for 223.2 days and collects up to 27.87" (708mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 11h and 6min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 5:46 pm. On the last day of December, sunrise is at 6:54 am and sunset at 5:58 pm AST.
Sunshine
The month with the least sunshine in Yabucoa, Puerto Rico, is December, with an average of 6.4h of sunshine.UV index
January through April and December, with an average maximum UV index of 6, are months with the lowest UV index in Yabucoa. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 6 during December, leads to the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Yabucoa in December?
What is the average humidity in December in Yabucoa?
How much does it rain in Yabucoa in December?
What is the month with the shortest days in Yabucoa?
What is the average length of the day in December in Yabucoa?
What time are sunrise and sunset in December in Yabucoa?
What is the month with the least sunshine in Yabucoa?
How many hours of sunshine does Yabucoa have in December?
What is the month with the lowest UV index in Yabucoa?
What is the UV index reading in December in Yabucoa?
Average temperature in December
Yabucoa, PR
- Average high temperature in December: 80.6°F
The warmest month (with the highest average high temperature) is August (84.7°F).
The months with the lowest average high temperature are January and February (79.9°F).
- Average low temperature in December: 74.7°F
The month with the highest average low temperature is August (78.3°F).
The coldest month (with the lowest average low temperature) is March (73°F).
Average pressure in December
Yabucoa, PR
- Average pressure in December: 29.98"Hg
The months with the highest atmospheric pressure are January, February, June and July (30.01"Hg).
The month with the lowest atmospheric pressure is October (29.9"Hg).
Average wind speed in December
Yabucoa, PR
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is July (9.7mph).
The calmest month (with the lowest average wind speed) is October (6.8mph).
Average humidity in December
Yabucoa, PR
- Average humidity in December: 79%
The month with the highest relative humidity is November (81%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall in December
Yabucoa, PR
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in December
Yabucoa, PR
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is January (12.8 days).
Average daylight in December /
Average sunshine in December
Yabucoa, PR
- Average daylight in December: 11h and 1min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Yabucoa, PR
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is January (15.5 days).
The month with the least sunshine days is May (3.6 days).
Average UV index in December
Yabucoa, PR
- Average UV index in December: 6
The months with the highest UV index are May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April and December (UV index 6).
Average cloud cover in December
Yabucoa, PR
- Average cloud cover in December: 40
The month with the most cloud cover is May (Cloud cover 42).
The months with the least cloud cover are February and September (Cloud cover 34).
Average visibility in December
Yabucoa, PR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Yabucoa, Puerto Rico, USA
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