Llandybie, United Kingdom experiences average highs of 14°C (57°F) and lows of 8°C (46°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Average highs have warmed by 1.0°C (1.8°F) across the available records.
Llandybie, United Kingdom Weather & Climate 2026
Monthly climate averages for Llandybie, United Kingdom. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Sep 
Wetter season: Oct–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.8/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 14°C / 8°C
Feels Like 11°C / 5°C
Rainy Days 15
Rainfall 109 mm
Sunshine 8 h
Humidity 84%
Wind Speed 22 km/h
Dew Point 8°C
Snow Days 1 days
Frost Days 3 days
Hottest Month
20°C
July
Avg Low13°C
Rain15days
Coldest Month
3°C
January
Avg High8°C
Rain14days
Driest Month
13days
April
Avg High13°C
Avg Low5°C
Windiest Month
26 km/h
February (Gusts 53)
Sea Temperature
7°C – 19°C
Warmest water: August (
19.2°C
)
Worst Time to Visit
Consider avoiding January, February, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:58
Daylight 16.7h
Sunset 21:38
Live conditions—
Llandybie on the map · live conditions
Llandybie, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Llandybie
- Population
- 2.8K
- Coordinates
- 51.82°, -4.01°
Seasonal Breakdown
Spring
Mar–May
Avg High 13°C
Avg Low 6°C
Rain 14 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 19°C
Avg Low 13°C
Rain 15 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 14°C
Avg Low 9°C
Rain 16 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 8°C
Avg Low 4°C
Rain 15 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 8°C / 3°C . Feb: 9°C / 4°C . Mar: 10°C / 4°C . Apr: 13°C / 5°C . May: 16°C / 9°C . Jun: 18°C / 12°C . Jul: 20°C / 13°C . Aug: 19°C / 14°C . Sep: 17°C / 12°C . Oct: 14°C / 9°C . Nov: 10°C / 6°C . Dec: 9°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 115 mm. Feb: 114 mm. Mar: 105 mm. Apr: 70 mm. May: 79 mm. Jun: 86 mm. Jul: 83 mm. Aug: 101 mm. Sep: 128 mm. Oct: 138 mm. Nov: 134 mm. Dec: 156 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 86%. Mar: 83%. Apr: 78%. May: 78%. Jun: 80%. Jul: 81%. Aug: 82%. Sep: 85%. Oct: 86%. Nov: 88%. Dec: 90%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 26 km/h . Mar: 24 km/h . Apr: 21 km/h . May: 19 km/h . Jun: 19 km/h . Jul: 19 km/h . Aug: 21 km/h . Sep: 21 km/h . Oct: 23 km/h . Nov: 24 km/h . Dec: 25 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 5h. Mar: 7h. Apr: 10h. May: 11h. Jun: 11h. Jul: 11h. Aug: 10h. Sep: 8h. Oct: 6h. Nov: 5h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 7°C . Feb: 8°C . Mar: 8°C . Apr: 11°C . May: 14°C . Jun: 17°C . Jul: 18°C . Aug: 19°C . Sep: 18°C . Oct: 15°C . Nov: 12°C . Dec: 9°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 3. Apr: UV 4. May: UV 5. Jun: UV 6. Jul: UV 5. Aug: UV 5. Sep: UV 4. Oct: UV 2. Nov: UV 1. Dec: UV 1.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 1 days. Feb: 1 days. Mar: 2 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 1 days.
Climate Trends
Average highs have warmed by 1.0°C (1.8°F) across the available records. Average rainfall is trending wetter by about 28 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 21°C | Jul · 20°C |
| Coldest month | Jan 2025 · 2°C | Jan · 3°C |
| Wettest month | Dec 2025 · 228 mm | Dec · 156 mm |
| Windiest month | Dec 2025 · 26 km/h | Feb · 26 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Good July best
Good August best
Good September best
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 3°C | 4°C / -1°C | 14days (115 mm) Wet | 4h Fair | 89% Very Muggy | 1 Low | Poor | View Details |
| February | 9°C / 4°C | 4°C / -1°C | 14days (114 mm) Wet | 5.3h Fair | 86% Very Muggy | 1.4 Low | Poor | View Details |
| March | 10°C / 4°C | 6°C / 0°C | 15days (105 mm) Wet | 7.3h Good | 83% Humid | 3.1 Moderate | Poor | View Details |
| April | 13°C / 5°C | 10°C / 2°C | 13days (70 mm) Wet | 9.8h Good | 78% Humid | 4.4 Moderate | Fair | View Details |
| May best | 16°C / 9°C | 14°C / 6°C | 13days (79 mm) Wet | 11.2h Excellent | 78% Humid | 5.4 High | Good | View Details |
| June best | 18°C / 12°C | 18°C / 10°C | 15days (86 mm) Wet | 11.3h Excellent | 80% Humid | 6 High | Good | View Details |
| July best | 20°C / 13°C | 19°C / 12°C | 15days (83 mm) Wet | 11.2h Excellent | 81% Humid | 5.3 High | Good | View Details |
| August best | 19°C / 14°C | 19°C / 12°C | 15days (101 mm) Wet | 10.2h Excellent | 82% Humid | 5 Moderate | Good | View Details |
| September best | 17°C / 12°C | 16°C / 10°C | 15days (128 mm) Wet | 7.8h Good | 85% Humid | 3.5 Moderate | Fair | View Details |
| October | 14°C / 9°C | 12°C / 7°C | 17days (138 mm) Wet | 6.2h Fair | 86% Very Muggy | 2.3 Moderate | Poor | View Details |
| November | 10°C / 6°C | 7°C / 3°C | 16days (134 mm) Wet | 4.5h Fair | 88% Very Muggy | 1.2 Low | Poor | View Details |
| December | 9°C / 5°C | 5°C / 1°C | 17days (156 mm) Wet | 3.2h Poor | 90% Very Muggy | 0.8 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Llandybie are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Llandybie, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Llandybie is July, with average daytime highs of 20°C (67°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Llandybie is January, with average overnight lows of 3°C (37°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Llandybie is December, averaging 156mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Llandybie runs through October, December, November, March, with the heaviest rainfall in October. Based on 10-year averages for Llandybie.
Llandybie receives approximately 92 sunshine hours per year. The sunniest month is June with around 11 hours. Based on climate data for Llandybie.
The least favorable months to visit Llandybie are January, February, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Llandybie is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Llandybie is 84%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 13°C (55°F), which most swimmers will find too cold without a wetsuit.
Yes, Llandybie receives snow. Months with snowfall average 1 snow days and 2 cm (1 in) of accumulation, with about 3 frost days during winter.
Average wind speeds in Llandybie are 22 km/h (14 mph). The windiest month is February with peak winds reaching 26 km/h (16 mph) (gusts up to 53 km/h / 33 mph).
Llandybie averages 1 clear-sky days per month with overall cloud cover around 71%. The clearest skies occur in April.
The annual average dew point in Llandybie is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Llandybie has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Llandybie ranges from 5°C (41°F) to 11°C (52°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Llandybie. It earns a climate score of 6.6/10 with Good.
For June in Llandybie, pack Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 18°C (65°F) and 15 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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