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
Weather in January
Temperature
Southampton, United Kingdom, experiences its lowest temperatures in January, with an average peak of 7.4°C (45.3°F) and a low of 3.3°C (37.9°F).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 87%.Rainfall
In Southampton, in January, during 16.8 rainfall days, 43mm (1.69") of precipitation is typically accumulated. Throughout the year, there are 184.9 rainfall days, and 482mm (18.98") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Southampton, during January, snow falls for 1.5 days and regularly aggregates up to 6mm (0.24") of snow. In Southampton, during the entire year, snow falls for 4.5 days and aggregates up to 20mm (0.79") of snow.Sea temperature
In January, the average sea temperature in Southampton, United Kingdom, is 9.6°C (49.3°F).Note: Swimming in 9.6°C (49.3°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
In January, the average length of the day in Southampton is 8h and 32min.On the first day of the month, sunrise is at 8:08 am and sunset at 4:09 pm. On the last day of January, in Southampton, sunrise is at 7:43 am and sunset at 4:54 pm GMT.
Sunshine
In Southampton, the average sunshine in January is 4.1h.UV index
The months with the lowest UV index are January, February and November, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the UV index of 2 transforms into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Southampton?
What are January temperatures in Southampton?
What is the most humid month in Southampton?
What is the average humidity in January in Southampton?
How many days does it rain in January in Southampton?
How many days does it snow in January in Southampton?
What is the water temperature in January in Southampton?
How many hours of daylight does Southampton have in January?
What time are sunrise and sunset in January in Southampton?
How many hours of sunshine does Southampton have in January?
What are the months with the lowest UV index in Southampton?
How high is the UV index in January in Southampton?
Average temperature in January
Southampton, United Kingdom
- Average high temperature in January: 7.4°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in January: 3.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in January
Southampton, United Kingdom
- Average pressure in January: 1014.9mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in January
Southampton, United Kingdom
- Average wind speed in January: 18.6km/h
The windiest month (with the highest average wind speed) is February (19.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in January
Southampton, United Kingdom
- Average humidity in January: 87%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in January
Southampton, United Kingdom
- Average rainfall in January: 43mm
The wettest month (with the highest rainfall) is December (61mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in January
Southampton, United Kingdom
- Average rainfall days in January: 16.8 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in January
Southampton, United Kingdom
- Average snowfall in January: 6mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Southampton, United Kingdom
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Southampton, United Kingdom
- Average sea temperature in January: 9.6°C
The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).
Average daylight in January /
Average sunshine in January
Southampton, United Kingdom
- Average daylight in January: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in January
Southampton, United Kingdom
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is March (14 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in January
Southampton, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in January
Southampton, United Kingdom
- Average cloud cover in January: 58
The month with the most cloud cover is November (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 44).
Average visibility in January
Southampton, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Southampton, United Kingdom
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