UTC Offset
UTC+01:00
Llantwit Major, United Kingdom Snapshot 2026
Where is Llantwit Major?
Llantwit Major, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Llantwit Major
- Population
- 14.4K
- Coordinates
- 51.41°, -3.49°
Llantwit Major is a city in United Kingdom with a population of approximately 14.4K. Average temperatures range from 4°C (38°F) in January to 19°C (66°F) in July. The best time to visit is June, July, August, September.
Time in Llantwit Major right now
Open full time & time zone page 03:48 48
Tuesday, June 16, 2026
IANA time zone
Europe/London
Daylight saving
DST in effect
GMT / BST
Next DST change
October 25
backward -1h
Live weather in Llantwit Major
Daylight in Llantwit Major today
View full sunrise & sunset page Sunrise
Sunset
Day length
16h 36m
Climate normals for Llantwit Major
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May
Fair June best
Good July best
Excellent August best
Excellent September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 4°C | 4°C / -1°C | 14days (103 mm) Wet | 4h Fair | 85% Humid | 1.1 Low | Poor | View Details |
| February | 8°C / 4°C | 4°C / 0°C | 13days (99 mm) Wet | 5.2h Fair | 83% Humid | 1.5 Low | Poor | View Details |
| March | 9°C / 5°C | 6°C / 0°C | 15days (95 mm) Wet | 7h Good | 82% Humid | 3.3 Moderate | Poor | View Details |
| April | 12°C / 6°C | 9°C / 2°C | 11days (62 mm) Wet | 9.6h Good | 77% Humid | 4.4 Moderate | Fair | View Details |
| May | 15°C / 9°C | 13°C / 7°C | 11days (67 mm) Wet | 11h Excellent | 78% Humid | 5.6 High | Fair | View Details |
| June best | 18°C / 12°C | 17°C / 10°C | 12days (72 mm) Wet | 11.1h Excellent | 79% Humid | 6.3 High | Good | View Details |
| July best | 19°C / 14°C | 18°C / 13°C | 12days (76 mm) Wet | 11.2h Excellent | 79% Humid | 5.8 High | Excellent | View Details |
| August best | 19°C / 14°C | 18°C / 13°C | 13days (84 mm) Wet | 10h Excellent | 79% Humid | 5.3 High | Excellent | View Details |
| September best | 17°C / 13°C | 16°C / 11°C | 14days (116 mm) Wet | 7.8h Good | 81% Humid | 3.8 Moderate | Good | View Details |
| October | 14°C / 10°C | 12°C / 7°C | 16days (129 mm) Wet | 6.1h Fair | 83% Humid | 2.5 Moderate | Poor | View Details |
| November | 11°C / 7°C | 7°C / 3°C | 15days (124 mm) Wet | 4.5h Fair | 84% Humid | 1.3 Low | Poor | View Details |
| December | 9°C / 6°C | 5°C / 1°C | 16days (135 mm) Wet | 3.3h Poor | 87% Very Muggy | 0.8 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 7°C / 4°C . Feb: 8°C / 4°C . Mar: 9°C / 5°C . Apr: 12°C / 6°C . May: 15°C / 9°C . Jun: 18°C / 12°C . Jul: 19°C / 14°C . Aug: 19°C / 14°C . Sep: 17°C / 13°C . Oct: 14°C / 10°C . Nov: 11°C / 7°C . Dec: 9°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 103 mm. Feb: 99 mm. Mar: 95 mm. Apr: 62 mm. May: 67 mm. Jun: 72 mm. Jul: 76 mm. Aug: 84 mm. Sep: 116 mm. Oct: 129 mm. Nov: 124 mm. Dec: 135 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 83%. Mar: 82%. Apr: 77%. May: 78%. Jun: 79%. Jul: 79%. Aug: 79%. Sep: 81%. Oct: 83%. Nov: 84%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 26 km/h . Feb: 29 km/h . Mar: 26 km/h . Apr: 22 km/h . May: 21 km/h . Jun: 21 km/h . Jul: 21 km/h . Aug: 22 km/h . Sep: 23 km/h . Oct: 25 km/h . Nov: 26 km/h . Dec: 27 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 8°C . Feb: 8°C . Mar: 8°C . Apr: 10°C . May: 13°C . Jun: 16°C . Jul: 18°C . Aug: 19°C . Sep: 18°C . Oct: 16°C . Nov: 13°C . Dec: 10°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. Mar: UV 3. Apr: UV 4. May: UV 6. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 3. Nov: UV 1. Dec: UV 1.
Frequently Asked Questions
Llantwit Major has a population of approximately 14.4K.
The best months to visit Llantwit Major are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Llantwit Major receives approximately 1162mm of rainfall annually across 162 rainy days.
Llantwit Major is located in United Kingdom, in the Europe region.