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
Santa Ana greets December with an average high-temperature of a still warm 28.4°C (83.1°F), marking a slight deviation from the preceding month. During the month of December, the temperature in Santa Ana, El Salvador, falls to an average of 16.6°C (61.9°F).Heat index
Throughout December, the heat index is evaluated at a hot 32°C (89.6°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
Humidity
In December, the average relative humidity in Santa Ana, El Salvador, is 74%.Rainfall
In Santa Ana, during December, the rain falls for 2.3 days and regularly aggregates up to 5mm (0.2") of precipitation. In Santa Ana, during the entire year, the rain falls for 181.4 days and collects up to 1055mm (41.54") of precipitation.Daylight
With an average of 11h and 18min of daylight, December has the shortest days of the year in Santa Ana.On the first day of December in Santa Ana, El Salvador, sunrise is at 06:06 and sunset at 17:28. On the last day of the month, sunrise is at 06:22 and sunset at 17:41 CST.
Sunshine
In Santa Ana, the average sunshine in December is 7.6h.UV index
January through August, October through December, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 6 in December leads to these recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. 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. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
How hot does it get in Santa Ana in December?
What is the average humidity in December in Santa Ana?
How much does it rain in Santa Ana in December?
What is the month with the shortest days in Santa Ana?
What is the average length of the day in December in Santa Ana?
When is the sunrise / sunset in December in Santa Ana?
How many hours of sunshine does Santa Ana have in December?
What is the month with the highest UV index in Santa Ana?
What is the UV index reading in December in Santa Ana?
Average temperature in December
Santa Ana, El Salvador
- Average high temperature in December: 28.4°C
The warmest month (with the highest average high temperature) is April (33.2°C).
The month with the lowest average high temperature is October (27.9°C).
- Average low temperature in December: 16.6°C
The month with the highest average low temperature is May (20.7°C).
The coldest month (with the lowest average low temperature) is January (16.3°C).
Average pressure in December
Santa Ana, El Salvador
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is January (1014.2mbar).
The months with the lowest atmospheric pressure are May and October (1011.7mbar).
Average wind speed in December
Santa Ana, El Salvador
- Average wind speed in December: 8.1km/h
The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is September (4.2km/h).
Average humidity in December
Santa Ana, El Salvador
- Average humidity in December: 74%
The month with the highest relative humidity is October (86%).
The month with the lowest relative humidity is March (63%).
Average rainfall in December
Santa Ana, El Salvador
- Average rainfall in December: 5mm
The wettest month (with the highest rainfall) is May (198mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in December
Santa Ana, El Salvador
- Average rainfall days in December: 2.3 days
The month with the highest number of rainy days is June (25 days).
The month with the least rainy days is January (1.9 days).
Average daylight in December /
Average sunshine in December
Santa Ana, El Salvador
- Average daylight in December: 11h and 2min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in December: 7h and 4min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 12min).
Average sunshine days in December
Santa Ana, El Salvador
- Average sunshine days in December: 28.5 days
The months with the most sunshine days are January and December (28.5 days).
The month with the least sunshine days is September (3.7 days).
Average UV index in December
Santa Ana, El Salvador
- Average UV index in December: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
The month with the lowest UV index is September (UV index 5).
Average cloud cover in December
Santa Ana, El Salvador
- Average cloud cover in December: 20
The month with the most cloud cover is September (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 17).
Average visibility in December
Santa Ana, El Salvador
- Average visibility in December: 9km
The months with the highest visibility are February, March and April (10km).
The month with the lowest visibility is September (6km).
Santa Ana, El Salvador
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