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
January
Weather in January
Temperature
Rhyl experiences its lowest average temperatures in January, reaching a peak of 6.8°C (44.2°F) and a minimum of 4.3°C (39.7°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 84%.Rainfall
In Rhyl, during January, the rain falls for 12.6 days and regularly aggregates up to 19mm (0.75") of precipitation. In Rhyl, during the entire year, the rain falls for 160.9 days and collects up to 292mm (11.5") of precipitation.Snowfall
Months with snowfall are January through April and December. The month with the most snowfall in Rhyl is January, when snow falls for 2.1 days and typically aggregates up to 11mm (0.43") of snow.Sea temperature
In Rhyl, United Kingdom, in January, the average water temperature is 7.7°C (45.9°F).Note: It is risky to swim in 7.7°C (45.9°F). Temperatures beneath 10°C (50°F) induce rapid cold shock and hyperventilation.
Daylight
In January, the average length of the day in Rhyl is 8h and 11min.On the first day of the month, sunrise is at 8:28 am and sunset at 4:05 pm. On the last day of January, sunrise is at 8:00 am and sunset at 4:54 pm GMT.
Sunshine
In January, the average sunshine is 4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rhyl. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during January leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Rhyl?
How cold is January in Rhyl?
What is the most humid month in Rhyl?
What is the average humidity in January in Rhyl?
How many days does it rain in January in Rhyl?
When does it snow the most in Rhyl?
How many days does it snow in January in Rhyl?
How cold is the water in January in Rhyl?
How many hours of daylight does Rhyl have in January?
What time are sunrise and sunset in January in Rhyl?
How long on average sun shines in January in Rhyl?
What is the month with the lowest UV index in Rhyl?
How high is the UV index in January in Rhyl?
Average temperature in January
Rhyl, United Kingdom
- Average high temperature in January: 6.8°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in January: 4.3°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).
Average pressure in January
Rhyl, United Kingdom
- Average pressure in January: 1012.2mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in January
Rhyl, United Kingdom
- Average wind speed in January: 23.5km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is June (14.8km/h).
Average humidity in January
Rhyl, United Kingdom
- Average humidity in January: 84%
The months with the highest relative humidity are January and December (84%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in January
Rhyl, United Kingdom
- Average rainfall in January: 19mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in January
Rhyl, United Kingdom
- Average rainfall days in January: 12.6 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in January
Rhyl, United Kingdom
- Average snowfall in January: 11mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Rhyl, United Kingdom
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Rhyl, United Kingdom
- Average sea temperature in January: 7.7°C
The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest months (with the lowest average sea temperature) are February and March (7.4°C).
Average daylight in January /
Average sunshine in January
Rhyl, United Kingdom
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is May (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in January
Rhyl, United Kingdom
- Average sunshine days in January: 14.1 days
The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in January
Rhyl, 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, March, November and December (UV index 2).
Average cloud cover in January
Rhyl, United Kingdom
- Average cloud cover in January: 61
The month with the most cloud cover is November (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in January
Rhyl, United Kingdom
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).
