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 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
January denotes a minimal variation in the average high-temperature to a still frosty 8°C (46.4°F) from December's 9.4°C (48.9°F). In Nefyn, the month of January records an average minimum temperature of 6°C (42.8°F), a slight dip from the daily highs.Humidity
In Nefyn, the average relative humidity in January is 80%.Rainfall
In Nefyn, in January, during 20.6 rainfall days, 68mm (2.68") of precipitation is typically accumulated. Throughout the year, there are 222.9 rainfall days, and 765mm (30.12") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. In Nefyn, United Kingdom, in January, snow falls for 1.1 days, with typically accumulated 3mm (0.12") of snow. In Nefyn, during the entire year, snow falls for 3.5 days and aggregates up to 17mm (0.67") of snow.Daylight
In Nefyn, the average length of the day in January is 8h and 14min.On the first day of the month, sunrise is at 8:30 am and sunset at 4:11 pm. On the last day of January, sunrise is at 8:03 am and sunset at 4:59 pm GMT.
Sunshine
In January, the average sunshine in Nefyn is 3.7h.UV index
The months with the lowest UV index in Nefyn are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Nefyn in January?
What is the average humidity in January in Nefyn?
How many days does it rain in January in Nefyn?
How many days does it snow in January in Nefyn?
What is the average length of the day in January in Nefyn?
When is the sunrise / sunset in January in Nefyn?
How long on average sun shines in January in Nefyn?
What is the month with the lowest UV index in Nefyn?
What is the UV index intensity in January in Nefyn?
Average temperature in January
Nefyn, United Kingdom
- Average high temperature in January: 8°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in January: 6°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5.7°C).
Average pressure in January
Nefyn, United Kingdom
- Average pressure in January: 1012.4mbar
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
Nefyn, United Kingdom
- Average wind speed in January: 28.7km/h
The windiest month (with the highest average wind speed) is December (30.9km/h).
The calmest month (with the lowest average wind speed) is June (18km/h).
Average humidity in January
Nefyn, United Kingdom
- Average humidity in January: 80%
The months with the highest relative humidity are June, July and August (84%).
The month with the lowest relative humidity is November (79%).
Average rainfall in January
Nefyn, United Kingdom
- Average rainfall in January: 68mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in January
Nefyn, United Kingdom
- Average rainfall days in January: 20.6 days
The month with the highest number of rainy days is December (23.1 days).
The month with the least rainy days is April (14.5 days).
Average snowfall in January
Nefyn, United Kingdom
- Average snowfall in January: 3mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Nefyn, United Kingdom
- Average snowfall days in January: 1.1 days
The months with the highest number of snowfall days are January and February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Nefyn, United Kingdom
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in January
Nefyn, United Kingdom
- Average sunshine days in January: 7 days
The months with the most sunshine days are April and May (13.5 days).
The month with the least sunshine days is December (4.5 days).
Average UV index in January
Nefyn, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in January
Nefyn, United Kingdom
- Average cloud cover in January: 64
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in January
Nefyn, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
