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
The transition from December to January sees an average high-temperature of a still chilly 45.9°F, indicating a minor variance from the prior month. During January, Stornoway perceives a slight decrease in temperature from daytime highs, settling at an average low of 42.3°F.Humidity
The months with the lowest humidity in Stornoway, United Kingdom, are January, November and December, with an average relative humidity of 76%.Rainfall
In Stornoway, during January, the rain falls for 24.8 days and regularly aggregates up to 3.46" of precipitation. Throughout the year, there are 258.9 rainfall days, and 31.81" of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Stornoway, in January, snow falls for 1.5 days, with typically accumulated 0.94" of snow. In Stornoway, during the entire year, snow falls for 7.1 days and aggregates up to 2.91" of snow.Sea temperature
In Stornoway, the average seawater temperature in January is 47.5°F.Note: Dipping into 47.5°F below 50°F needs protective wear, or you'd face cold shock and breathing issues swiftly. Meanwhile, a slight swim around 55.4°F feels cold to the bone.
Daylight
In January, the average length of the day in Stornoway, United Kingdom, is 7h and 17min.On the first day of the month, sunrise is at 9:12 am and sunset at 3:45 pm. On the last day of January, in Stornoway, sunrise is at 8:32 am and sunset at 4:44 pm GMT.
Sunshine
In January, the average sunshine is 2.8h.UV index
The months with the lowest UV index in Stornoway are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. 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. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January in Stornoway?
What is the least humid month in Stornoway?
What is the average humidity in January in Stornoway?
How many days does it rain in January in Stornoway?
How much does it snow in Stornoway in January?
What is the water temperature in January in Stornoway?
What is the average length of the day in January in Stornoway?
When is the sunrise / sunset in January in Stornoway?
How long on average sun shines in January in Stornoway?
What are the months with the lowest UV index in Stornoway?
How high is the UV index in January in Stornoway?
Average temperature in January
Stornoway, United Kingdom
- Average high temperature in January: 45.9°F
The warmest month (with the highest average high temperature) is August (58.6°F).
The month with the lowest average high temperature is February (45.3°F).
- Average low temperature in January: 42.3°F
The month with the highest average low temperature is August (54.7°F).
The coldest month (with the lowest average low temperature) is February (42.1°F).
Average pressure in January
Stornoway, United Kingdom
- Average pressure in January: 29.67"Hg
The months with the highest atmospheric pressure are May and June (29.95"Hg).
The month with the lowest atmospheric pressure is December (29.65"Hg).
Average wind speed in January
Stornoway, United Kingdom
- Average wind speed in January: 22.1mph
The windiest month (with the highest average wind speed) is January (22.1mph).
The calmest month (with the lowest average wind speed) is July (12.7mph).
Average humidity in January
Stornoway, United Kingdom
- Average humidity in January: 76%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, November and December (76%).
Average rainfall in January
Stornoway, United Kingdom
- Average rainfall in January: 3.46"
The wettest month (with the highest rainfall) is December (3.62").
The driest months (with the least rainfall) are April and June (1.69").
Average rainfall days in January
Stornoway, United Kingdom
- Average rainfall days in January: 24.8 days
The month with the highest number of rainy days is December (25 days).
The month with the least rainy days is June (16.6 days).
Average snowfall in January
Stornoway, United Kingdom
- Average snowfall in January: 0.94"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Stornoway, United Kingdom
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in January
Stornoway, United Kingdom
- Average sea temperature in January: 47.4°F
The best month for swimming (with the highest average sea temperature) is August (56°F).
The coldest month (with the lowest average sea temperature) is March (45.7°F).
Average daylight in January /
Average sunshine in January
Stornoway, United Kingdom
- Average daylight in January: 7h and 2min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in January: 2h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in January
Stornoway, United Kingdom
- Average sunshine days in January: 3.6 days
The month with the most sunshine days is June (10.8 days).
The month with the least sunshine days is December (3.2 days).
Average UV index in January
Stornoway, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July 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
Stornoway, United Kingdom
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are April and May (Cloud cover 57).
Average visibility in January
Stornoway, United Kingdom
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
