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
Lerwick, United Kingdom, experiences an average high-temperature of a still chilly 7.3°C (45.1°F) in January, marking an insignificant shift from 7.9°C (46.2°F) in December. Lerwick sustains a near constant temperature throughout January, with nighttime averages of 5.3°C (41.5°F).Humidity
In January, the average relative humidity in Lerwick is 76%.Rainfall
In Lerwick, in January, during 24.7 rainfall days, 79mm (3.11") of precipitation is typically accumulated. Throughout the year, in Lerwick, United Kingdom, there are 250.8 rainfall days, and 719mm (28.31") of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Lerwick. In Lerwick, in January, snow falls for 1.3 days, with typically accumulated 9mm (0.35") of snow. In Lerwick, during the entire year, snow falls for 9.3 days and aggregates up to 47mm (1.85") of snow.Sea temperature
In Lerwick, United Kingdom, the average seawater temperature in January is 8.4°C (47.1°F).Note: Beware when you're in 8.4°C (47.1°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.
Daylight
The average length of the day in January in Lerwick is 6h and 50min.On the first day of the month, sunrise is at 9:08 am and sunset at 3:07 pm. On the last day of January, sunrise is at 8:22 am and sunset at 4:13 pm GMT.
Sunshine
In January, the average sunshine is 2.7h.UV index
January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lerwick. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during January leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To cut down UV radiation exposure by about half, sport a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Lerwick?
What is the average humidity in January in Lerwick?
How many days does it rain in January in Lerwick?
How many days does it snow in January in Lerwick?
How cold is the water in January in Lerwick?
What is the average length of the day in January in Lerwick?
What time are sunrise and sunset in January in Lerwick?
How many hours of sunshine does Lerwick have in January?
What are the months with the lowest UV index in Lerwick?
What is the UV index intensity in January in Lerwick?
Average temperature in January
Lerwick, United Kingdom
- Average high temperature in January: 7.3°C
The warmest month (with the highest average high temperature) is August (14°C).
The month with the lowest average high temperature is February (6.8°C).
- Average low temperature in January: 5.3°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in January
Lerwick, United Kingdom
- Average pressure in January: 1004.3mbar
The months with the highest atmospheric pressure are May and June (1014.3mbar).
The month with the lowest atmospheric pressure is December (1002.5mbar).
Average wind speed in January
Lerwick, United Kingdom
- Average wind speed in January: 38.7km/h
The windiest month (with the highest average wind speed) is January (38.7km/h).
The calmest month (with the lowest average wind speed) is July (22.5km/h).
Average humidity in January
Lerwick, United Kingdom
- Average humidity in January: 76%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is December (75%).
Average rainfall in January
Lerwick, United Kingdom
- Average rainfall in January: 79mm
The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is June (32mm).
Average rainfall days in January
Lerwick, United Kingdom
- Average rainfall days in January: 24.7 days
The month with the highest number of rainy days is December (25.8 days).
The month with the least rainy days is June (14.8 days).
Average snowfall in January
Lerwick, United Kingdom
- Average snowfall in January: 9mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in January
Lerwick, United Kingdom
- Average snowfall days in January: 1.3 days
The months with the highest number of snowfall days are February and March (2.2 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average sea temperature in January
Lerwick, United Kingdom
- Average sea temperature in January: 8.4°C
The best month for swimming (with the highest average sea temperature) is August (13.3°C).
The coldest month (with the lowest average sea temperature) is March (7.8°C).
Average daylight in January /
Average sunshine in January
Lerwick, United Kingdom
- Average daylight in January: 6h and 5min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 6min).
Average sunshine days in January
Lerwick, United Kingdom
- Average sunshine days in January: 2.9 days
The month with the most sunshine days is June (12.1 days).
The month with the least sunshine days is December (2.1 days).
Average UV index in January
Lerwick, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in January
Lerwick, United Kingdom
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 56).
Average visibility in January
Lerwick, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, March, November and December (9km).
