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 snowfall in January
- Average snowfall days in January
- Average sea temperature 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 and February are the coldest months, with an average high-temperature of 7.9°C (46.2°F).Humidity
The months with the highest humidity are January, July through October and December, with an average relative humidity of 84%.Rainfall
In Llansteffan, in January, it is raining for 15.2 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, there are 165.1 rainfall days, and 303mm (11.93") of precipitation is accumulated.Snowfall
Months with snowfall in Llansteffan are January, February and December. January is the month with the most snowfall in Llansteffan. Snow falls for 1.1 days and accumulates 6mm (0.24") of snow.Sea temperature
In Llansteffan, in January, the average water temperature is 8.8°C (47.8°F).Note: Danger awaits those who swim in 8.8°C (47.8°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
The average length of the day in January in Llansteffan, United Kingdom, is 8h and 25min.On the first day of the month, sunrise is at 8:24 am and sunset at 4:17 pm. On the last day of January, in Llansteffan, sunrise is at 7:58 am and sunset at 5:03 pm GMT.
Sunshine
With an average of 3.7h of sunshine, January has the least sunshine of the year in Llansteffan.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during January leads to these advisories:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What time of the year is the coldest in Llansteffan?
What is the usual temperature for Llansteffan in January?
What is the most humid month in Llansteffan?
What is the average humidity in January in Llansteffan?
How many days does it rain in January in Llansteffan?
When does it snow the most in Llansteffan?
How much does it snow in Llansteffan in January?
What is the water temperature in January in Llansteffan?
How many hours of daylight does Llansteffan have in January?
What time are sunrise and sunset in January in Llansteffan?
What is the month with the least sunshine in Llansteffan?
How long on average sun shines in January in Llansteffan?
What is the month with the lowest UV index in Llansteffan?
What is the UV index intensity in January in Llansteffan?
Average temperature in January
Llansteffan, United Kingdom
- Average high temperature in January: 7.9°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The months with the lowest average high temperature are January and February (7.9°C).
- Average low temperature in January: 5.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in January
Llansteffan, United Kingdom
- Average pressure in January: 1013.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in January
Llansteffan, United Kingdom
- Average wind speed in January: 23.9km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity in January
Llansteffan, United Kingdom
- Average humidity in January: 84%
The months with the highest relative humidity are January, July, August, September, October and December (84%).
The month with the lowest relative humidity is April (81%).
Average rainfall in January
Llansteffan, United Kingdom
- Average rainfall in January: 24mm
The wettest month (with the highest rainfall) is December (35mm).
The driest months (with the least rainfall) are April and May (15mm).
Average rainfall days in January
Llansteffan, United Kingdom
- Average rainfall days in January: 15.2 days
The month with the highest number of rainy days is December (17.1 days).
The month with the least rainy days is April (11.5 days).
Average snowfall in January
Llansteffan, United Kingdom
- Average snowfall in January: 6mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Llansteffan, United Kingdom
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Llansteffan, United Kingdom
- Average sea temperature in January: 8.8°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight in January /
Average sunshine in January
Llansteffan, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in January: 3h and 4min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in January
Llansteffan, United Kingdom
- Average sunshine days in January: 11.8 days
The month with the most sunshine days is March (15.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in January
Llansteffan, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in January
Llansteffan, United Kingdom
- Average cloud cover in January: 62
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in January
Llansteffan, United Kingdom
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
Llansteffan, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
