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 snowfall in December
- Average snowfall 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
The transition from November to December sees an average high-temperature of a still tropical 30.6°C (87.1°F), indicating a minor variance from the prior month. During December, Guacotecti reports a marked contrast from daily peak temperatures, with an average nighttime reading of 17.8°C (64°F).Heat index
In December, the heat index is computed to be a torrid 36°C (96.8°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', integrates the air's temperature and its humidity to showcase the felt temperature by people. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are largely significant for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.
Humidity
In December, the average relative humidity is 67%.Rainfall
In Guacotecti, in December, during 3.7 rainfall days, 6mm (0.24") of precipitation is typically accumulated. In Guacotecti, during the entire year, the rain falls for 188.1 days and collects up to 832mm (32.76") of precipitation.Snowfall
January through August, October through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 11h and 18min of daylight.On the first day of December in Guacotecti, sunrise is at 06:02 and sunset at 17:24. On the last day of the month, sunrise is at 06:18 and sunset at 17:37 CST.
Sunshine
The months with the least sunshine are January and December, with an average of 7.7h of sunshine.UV index
The months with the lowest UV index are January, May, June, August through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In December, the average maximum UV index of 6 translates into the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
What is the average length of the day in December in Guacotecti?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December in Guacotecti?
Average temperature in December
Guacotecti, El Salvador
- Average high temperature in December: 30.6°C
The warmest month (with the highest average high temperature) is April (35°C).
The month with the lowest average high temperature is October (29.9°C).
- Average low temperature in December: 17.8°C
The month with the highest average low temperature is May (21.9°C).
The coldest month (with the lowest average low temperature) is December (17.8°C).
Average pressure in December
Guacotecti, El Salvador
- Average pressure in December: 1013.4mbar
The month with the highest atmospheric pressure is January (1014mbar).
The months with the lowest atmospheric pressure are May and October (1011.6mbar).
Average wind speed in December
Guacotecti, El Salvador
- Average wind speed in December: 6.7km/h
The windiest month (with the highest average wind speed) is January (7.3km/h).
The calmest months (with the lowest average wind speed) are June and September (3.8km/h).
Average humidity in December
Guacotecti, El Salvador
- Average humidity in December: 67%
The month with the highest relative humidity is October (82%).
The month with the lowest relative humidity is March (56%).
Average rainfall in December
Guacotecti, El Salvador
- Average rainfall in December: 6mm
The wettest month (with the highest rainfall) is May (150mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in December
Guacotecti, El Salvador
- Average rainfall days in December: 3.7 days
The month with the highest number of rainy days is September (25.7 days).
The month with the least rainy days is January (1.6 days).
Average snowfall in December
Guacotecti, El Salvador
- Average snowfall in December: 0mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in December
Guacotecti, El Salvador
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Guacotecti, 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 36min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).
Average sunshine days in December
Guacotecti, El Salvador
- Average sunshine days in December: 26.3 days
The month with the most sunshine days is January (29.1 days).
The month with the least sunshine days is September (3.6 days).
Average UV index in December
Guacotecti, El Salvador
- Average UV index in December: 6
The months with the highest UV index are February, March, April and July (UV index 7).
The months with the lowest UV index are January, May, June, August, September, October, November and December (UV index 6).
Average cloud cover in December
Guacotecti, El Salvador
- Average cloud cover in December: 13
The month with the most cloud cover is September (Cloud cover 47).
The months with the least cloud cover are January and December (Cloud cover 13).
Average visibility in December
Guacotecti, El Salvador
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is September (7km).
