Llantrisant Weather in January

Llantrisant in January sees low temperatures, with highs around 9°C (48°F) and overnight lows of 3°C (37°F). Rainfall is fairly high at around 109 mm (4.3 in) on average, so pack waterproofs just in case.

Rainfall in Llantrisant in January

Expect around 21 days of rain based on historical data, with 109 mm (4.3 in) average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Llantrisant in January

January in Llantrisant brings low temperatures, with highs of 9°C (48°F) and nights around 3°C (37°F). January is in the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 3°C (37°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet. This month tends to bring the coldest weather of the year, so be sure to pack enough warm clothing to stay comfortable.

Sunshine in Llantrisant in January

The area sees fewer sunny days, with a projection of about 53 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Wind Speed in Llantrisant 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

The water sits at 8°C (46°F) this month, which is well below what most people consider swimmable. Wetsuits help, but expect it to still feel cold.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Llantrisant. Our weather planner can help you explore destinations with more pleasant weather conditions.

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 Llantrisant's climate page.

Llantrisant Temperature in January

Min Temperature 3°C (37°F)  

Max Temperature 9°C (48°F)  

Water Temperature 8°C (46°F) *  

Chance of Rain 69%  

Precipitation 109 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 (15 KM, 9 Miles).

What to Wear in Llantrisant in January

We recommend to layer up for chilly conditions in Llantrisant in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.

What To Do in Llantrisant 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 Llantrisant's climate page.

More climate data for Llantrisant

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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