Southampton Weather in January

During January, Southampton experiences low daytime temperatures of 9°C (48°F) and cooler nights around 4°C (39°F). As part of the winter season, expect quite a bit of rainfall. Around 77 mm (3 in) is typical.

Rainfall in Southampton in January

Historically, approximately 17 days this month are expected to have rain, averaging 77 mm (3 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Southampton in January

In January, expect low temperatures in Southampton, with highs of 9°C (48°F) and lows of 4°C (39°F) at night. January is a notable month of the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of 4°C (39°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. On average, January has the most moderate temperatures of the year.

Sunshine in Southampton in January

This month is characterized by fewer sunny days, with about 63 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Average water temperature in January

The water sits at 10°C (50°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Southampton. Our weather planner can help you explore destinations with more pleasant weather conditions.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Southampton's climate page.

Southampton Temperature in January

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Water Temperature 10°C (50°F)  

Chance of Rain 57%  

Precipitation 77 mm (3 in)  

Rainy days 17 days  

Humidity 91%  

Sunshine 63 hours  

Percentage Sunshine 17%  

What to Wear in Southampton in January

Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 10°C (50°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Southampton in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

4/10

Walking

4/10

Camping

4/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Southampton's climate page.

More climate data for Southampton

Temperature Rainfall Sunshine Humidity Water Temp

See the full Southampton climate overview or explore weather in the United Kingdom.