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
San Isidro experiences a subtle adjustment in high-temperatures to a still warm 28.1°C (82.6°F) with the onset of December, maintaining near parity with November's 29.1°C (84.4°F). During December in San Isidro, the average low-temperature is recorded at a pleasant 21°C (69.8°F).Heat index
The heat index for December is evaluated at a tropical 33°C (91.4°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
October through December, with an average relative humidity of 81%, are the most humid months in San Isidro, Dominican Republic.Rainfall
In San Isidro, in December, during 9.9 rainfall days, 12mm (0.47") of precipitation is typically accumulated. In San Isidro, during the entire year, the rain falls for 169.6 days and collects up to 448mm (17.64") of precipitation.Daylight
With an average of 11h and 0min of daylight, December has the shortest days of the year in San Isidro, Dominican Republic.On the first day of the month, sunrise is at 06:55 and sunset at 18:01. On the last day of December, in San Isidro, sunrise is at 07:11 and sunset at 18:13 AST.
Sunshine
The average sunshine in December is 9.2h.UV index
The months with the lowest UV index are January through April, August, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 6 during December translates into the following directions:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
How hot is it in San Isidro in December?
What is the most humid month in San Isidro?
What is the average humidity in December in San Isidro?
How many days does it rain in December in San Isidro?
What is the month with the shortest days in San Isidro?
What is the average length of the day in December in San Isidro?
When is the sunrise / sunset in December in San Isidro?
How long on average sun shines in December in San Isidro?
What are the months with the lowest UV index in San Isidro?
What is the UV index reading in December in San Isidro?
Average temperature in December
San Isidro, Dominican Republic
- Average high temperature in December: 28.1°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in December: 21°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (20.2°C).
Average pressure in December
San Isidro, Dominican Republic
- Average pressure in December: 1015.6mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.6mbar).
Average wind speed in December
San Isidro, Dominican Republic
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).
Average humidity in December
San Isidro, Dominican Republic
- Average humidity in December: 81%
The months with the highest relative humidity are October, November and December (81%).
The month with the lowest relative humidity is March (77%).
Average rainfall in December
San Isidro, Dominican Republic
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in December
San Isidro, Dominican Republic
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).
Average daylight in December /
Average sunshine in December
San Isidro, Dominican Republic
- Average daylight in December: 11h and 0min
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 0min).
- Average sunshine in December: 9h and 1min
The months with the most sunshine are January, September and November (Average sunshine: 9h and 18min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).
Average sunshine days in December
San Isidro, Dominican Republic
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
San Isidro, Dominican Republic
- Average UV index in December: 6
The months with the highest UV index are May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, August, November and December (UV index 6).
Average cloud cover in December
San Isidro, Dominican Republic
- Average cloud cover in December: 27
The month with the most cloud cover is May (Cloud cover 35).
The months with the least cloud cover are January, September and October (Cloud cover 26).
Average visibility in December
San Isidro, Dominican Republic
- Average visibility in December: 10km
The months with the highest visibility are February, March, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and October (9km).
San Isidro, Dominican Republic
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