Saint Athan Weather in January

Saint Athan in January sees low temperatures, with highs around 9°C (48°F) and overnight lows of 4°C (39°F). Rainfall is fairly high at around 108 mm (4.3 in) on average, so pack waterproofs just in case.

Rainfall in Saint Athan in January

Based on our climate data of the past 30 years, about 21 days of rain are anticipated, with 108 mm (4.3 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Saint Athan in January

In January, Saint Athan sees low temperatures, with highs of 9°C (48°F). Nights drop to around 4°C (39°F). January is a notable month of the winter season. Expect a cold feel throughout the day, not just in the mornings and evenings. Warm layers are essential. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This month often claims the chilliest averages of the year.

Sunshine in Saint Athan in January

This month is characterized by fewer sunny days, with about 53 hours of sunshine. It's great for those who appreciate cooler, less sunny days.

Wind Speed in Saint Athan in January

Average wind conditions reach 5 m/s (10 knots) in January. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in January

With water temperatures around 8°C (46°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

January in Saint Athan has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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Check the conditions for any month of the year.

• January
• February
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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Saint Athan's climate page.

Saint Athan Temperature in January

Min Temperature 4°C (39°F)  

Max Temperature 9°C (48°F)  

Water Temperature 8°C (46°F) *  

Chance of Rain 68%  

Precipitation 108 mm (4.3 in)  

Rainy days 21 days  

Humidity 89% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 53 hours *  

Percentage Sunshine 20% *  

* Data from: Cardiff, the United Kingdom (4 KM, 3 Miles).

What to Wear in Saint Athan 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 8°C (46°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Saint Athan 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

3/10

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 Saint Athan's climate page.

More climate data for Saint Athan

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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