January weather forecastScilly, Ireland
January
Weather in January
January, like December, is another chilly winter month in Scilly, Ireland, with an average temperature ranging between min 4.4°C (39.9°F) and max 8.3°C (46.9°F).Temperature
January, known for its average high temperature of 8.3°C (46.9°F) and an average low temperature of 4.4°C (39.9°F), is the coldest month.Humidity
In January, the average relative humidity is 86%.Rainfall
In Scilly, during January, the rain falls for 15.7 days and regularly aggregates up to 42mm (1.65") of precipitation. In Scilly, during the entire year, the rain falls for 198 days and collects up to 586mm (23.07") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 0.8 days. Throughout January, 5mm (0.2") of snow is accumulated. Throughout the year, there are 3.8 snowfall days, and 20mm (0.79") of snow is accumulated.Daylight
The average length of the day in January is 8h and 25min.On the first day of the month, sunrise is at 8:40 am and sunset at 4:34 pm. On the last day of January, sunrise is at 8:14 am and sunset at 5:19 pm GMT.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Scilly, Ireland
- Average high temperature in January: 8.3°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in January: 4.4°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in January
Scilly, Ireland
- Average pressure in January: 1012.6mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009mbar).
Average wind speed in January
Scilly, Ireland
- Average wind speed in January: 22.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest months (with the lowest average wind speed) are June and July (16.1km/h).
Average humidity in January
Scilly, Ireland
- Average humidity in January: 86%
The months with the highest relative humidity are October and December (87%).
The months with the lowest relative humidity are February, March and April (84%).
Average rainfall in January
Scilly, Ireland
- Average rainfall in January: 42mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is March (33mm).
Average rainfall days in January
Scilly, Ireland
- Average rainfall days in January: 15.7 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is February (13.5 days).
Average snowfall in January
Scilly, Ireland
- Average snowfall in January: 5mm
The month with the highest snowfall is March (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Scilly, Ireland
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Scilly, Ireland
- Average daylight in January: 8h and 24min
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: 4h and 6min
The month with the most sunshine is June (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Scilly, Ireland
- Average sunshine days in January: 13 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in January
Scilly, Ireland
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Scilly, Ireland
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in January
Scilly, Ireland
- Average visibility in January: 9km
The months with the highest visibility are February and March (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (9km).





