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
December
Weather in December
Temperature
December ushers in an average high-temperature of a still warm 28.4°C (83.1°F), aligning closely with the preceding month. An average low-temperature of 16.6°C (61.9°F) is common during the nights of December.Heat index
In December, the average heat index is appraised at a hot 32°C (89.6°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index's context suggests values are appropriate for shady areas and slight 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 'real feel' or 'feels like', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. 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. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In Masahuat, the average relative humidity in December is 74%.Rainfall
In Masahuat, in December, during 2.3 rainfall days, 5mm (0.2") of precipitation is typically accumulated. In Masahuat, 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.On the first day of December, sunrise is at 06:06 and sunset at 17:27. On the last day of the month, sunrise is at 06:21 and sunset at 17:40 CST.
Sunshine
In December, the average sunshine is 7.6h.UV index
The months with the highest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, a daily UV index of 6 turns into the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during December?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the highest UV index in Masahuat?
What is the UV index reading in December?
Average temperature in December
Masahuat, 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
Masahuat, 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
Masahuat, 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
Masahuat, 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
Masahuat, 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
Masahuat, 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
Masahuat, El Salvador
- Average daylight in December: 11h and 2min
The month with the longest days is June (Average daylight: 13h and 0min).
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
Masahuat, 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
Masahuat, 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
Masahuat, 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
Masahuat, 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).
