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 7.5°C (45.5°F), indicating a minor variance from the prior month. Stromness records a negligible downturn from daytime temperatures, averaging a low of 5.8°C (42.4°F) in the month of January.Humidity
January and December, with an average relative humidity of 75%, are the least humid months in Stromness.Rainfall
The wettest months are January and December, with an average 60mm (2.36") of rainfall.Snowfall
January through April, November and December are months with snowfall. In January, in Stromness, it is snowing for 0.7 days. Throughout January, 3mm (0.12") of snow is accumulated. In Stromness, during the entire year, snow falls for 4.8 days and aggregates up to 23mm (0.91") of snow.Sea temperature
In Stromness, the average seawater temperature in January is 8.1°C (46.6°F).Note: Dipping into 8.1°C (46.6°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Swimming momentarily at 13°C (55.4°F) can be jarring.
Daylight
The average length of the day in January is 7h and 7min.On the first day of January in Stromness, United Kingdom, sunrise is at 9:06 am and sunset at 3:26 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 4:28 pm GMT.
Sunshine
In Stromness, the average sunshine in January is 3.3h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Stromness, United Kingdom. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
What are January temperatures in Stromness?
What are the least humid months in Stromness?
What is the average humidity in January in Stromness?
What is the rainiest month in Stromness?
How many days does it rain in January in Stromness?
How many days does it snow in January in Stromness?
How cold is the water in January in Stromness?
What is the average length of the day in January in Stromness?
What time are sunrise and sunset in January in Stromness?
How long on average sun shines in January in Stromness?
When is the lowest UV index in Stromness?
What is the UV index intensity in January in Stromness?
Average temperature in January
Stromness, United Kingdom
- Average high temperature in January: 7.5°C
The warmest month (with the highest average high temperature) is August (14.2°C).
The month with the lowest average high temperature is February (7°C).
- Average low temperature in January: 5.8°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 (5.5°C).
Average pressure in January
Stromness, United Kingdom
- Average pressure in January: 1005.2mbar
The months with the highest atmospheric pressure are May and June (1014.4mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed in January
Stromness, 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 months (with the lowest average wind speed) are June and July (22.5km/h).
Average humidity in January
Stromness, United Kingdom
- Average humidity in January: 75%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and December (75%).
Average rainfall in January
Stromness, United Kingdom
- Average rainfall in January: 60mm
The wettest months (with the highest rainfall) are January and December (60mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in January
Stromness, United Kingdom
- Average rainfall days in January: 21.7 days
The month with the highest number of rainy days is December (23.5 days).
The month with the least rainy days is June (15.5 days).
Average snowfall in January
Stromness, United Kingdom
- Average snowfall in January: 3mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Stromness, United Kingdom
- Average snowfall days in January: 0.7 days
The months with the highest number of snowfall days are February and March (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Stromness, United Kingdom
- Average sea temperature in January: 8.1°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 (7.3°C).
Average daylight in January /
Average sunshine in January
Stromness, United Kingdom
- Average daylight in January: 7h and 1min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in January
Stromness, United Kingdom
- Average sunshine days in January: 5.7 days
The month with the most sunshine days is May (11.4 days).
The month with the least sunshine days is December (4.8 days).
Average UV index in January
Stromness, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in January
Stromness, United Kingdom
- Average cloud cover in January: 67
The months with the most cloud cover are January and March (Cloud cover 67).
The months with the least cloud cover are April and May (Cloud cover 56).
Average visibility in January
Stromness, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and March (9km).
