Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January stands out as Sayfaf's coldest month, with an average high-temperature of 28.8°C (83.8°F) and a low-temperature of 24.3°C (75.7°F).Heat index
The heat index value during January is appraised at a tropical 32°C (89.6°F). Remaining active during long-lasting exposure could cause fatigue, leading to heat cramps.Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
Humidity
January and February, with an average relative humidity of 68%, are the most humid months.Rainfall
In Sayfaf, Yemen, during January, the rain falls for 5.8 days and regularly aggregates up to 10mm (0.39") of precipitation. In Sayfaf, Yemen, during the entire year, the rain falls for 45.7 days and collects up to 86mm (3.39") of precipitation.Daylight
The average length of the day in January in Sayfaf is 11h and 20min.On the first day of the month, sunrise is at 06:35 and sunset at 17:49. On the last day of January, sunrise is at 06:39 and sunset at 18:06 +03.
Sunshine
In Sayfaf, the average sunshine in January is 7.8h.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. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 7 in January, converts into the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the coldest time of year in Sayfaf?
How hot is January in Sayfaf?
What is the most humid month in Sayfaf?
What is the average humidity in January in Sayfaf?
How much does it rain in Sayfaf in January?
What is the average length of the day in January in Sayfaf?
When is the sunrise / sunset in January in Sayfaf?
How long on average sun shines in January in Sayfaf?
When is the lowest UV index in Sayfaf?
How high is the UV index in January in Sayfaf?
Average temperature in January
Sayfaf, Yemen
- Average high temperature in January: 28.8°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 January: 24.3°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 January
Sayfaf, Yemen
- Average pressure in January: 1014.3mbar
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 January
Sayfaf, Yemen
- Average wind speed in January: 18.7km/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 January
Sayfaf, Yemen
- Average humidity in January: 68%
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 January
Sayfaf, Yemen
- Average rainfall in January: 10mm
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 January
Sayfaf, Yemen
- Average rainfall days in January: 5.8 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 January /
Average sunshine in January
Sayfaf, Yemen
- Average daylight in January: 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 12min).
- Average sunshine in January: 7h and 5min
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 January
Sayfaf, Yemen
- Average sunshine days in January: 23.1 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 January
Sayfaf, Yemen
- Average UV index in January: 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 January
Sayfaf, Yemen
- Average cloud cover in January: 16
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 January
Sayfaf, Yemen
- Average visibility in January: 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).
Sayfaf, Yemen
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