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
Sayfaf notes an average high-temperature of a moderately hot 29.5°C (85.1°F) in December, hardly diverging from November. A minimal decline in temperature from daytime highs is anticipated in Sayfaf throughout the December nights, averaging 25.3°C (77.5°F).Heat index
December's heat index is computed to be a tropical 33°C (91.4°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Heat index's context suggests values are appropriate for shady areas and slight breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', measures the perceived warmth when incorporating the humidity present in the air. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In Sayfaf, the average relative humidity in December is 67%.Rainfall
In Sayfaf, in December, during 5.2 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In Sayfaf, during the entire year, the rain falls for 45.7 days and collects up to 86mm (3.39") of precipitation.Daylight
With an average of 11h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 06:20 and sunset at 17:36. On the last day of December, sunrise is at 06:35 and sunset at 17:49 +03.
Sunshine
With an average of 7.4h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 7, are months with the lowest UV index in Sayfaf, Yemen. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 during December translates into the following directions:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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 many days 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?
What is the month with the least sunshine?
How many hours of sunshine does Sayfaf have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sayfaf, Yemen
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is July (36.9°C).
The month with the lowest average high temperature is January (28.8°C).
- Average low temperature in December: 25.3°C
The month with the highest average low temperature is August (31.5°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).
Average pressure in December
Sayfaf, Yemen
- Average pressure in December: 1014.1mbar
The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is July (1005.1mbar).
Average wind speed in December
Sayfaf, Yemen
- Average wind speed in December: 17.3km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is September (13.5km/h).
Average humidity in December
Sayfaf, Yemen
- Average humidity in December: 67%
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is July (55%).
Average rainfall in December
Sayfaf, Yemen
- Average rainfall in December: 8mm
The wettest month (with the highest rainfall) is August (16mm).
The driest months (with the least rainfall) are April and June (2mm).
Average rainfall days in December
Sayfaf, Yemen
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is January (5.8 days).
The month with the least rainy days is June (1 days).
Average daylight in December /
Average sunshine in December
Sayfaf, Yemen
- Average daylight in December: 11h and 1min
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 12min).
- Average sunshine in December: 7h and 2min
The month with the most sunshine is May (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in December
Sayfaf, Yemen
- Average sunshine days in December: 24 days
The month with the most sunshine days is June (28.6 days).
The months with the least sunshine days are January and November (23.1 days).
Average UV index in December
Sayfaf, Yemen
- Average UV index in December: 7
The months with the highest UV index are April, May, June, July, August, September and October (UV index 8).
The months with the lowest UV index are January, February, March, November and December (UV index 7).
Average cloud cover in December
Sayfaf, Yemen
- Average cloud cover in December: 12
The months with the most cloud cover are July and August (Cloud cover 26).
The month with the least cloud cover is October (Cloud cover 6).
Average visibility in December
Sayfaf, Yemen
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
