UTC Offset
UTC+01:00
Ystalyfera, United Kingdom Snapshot 2026
Where is Ystalyfera?
Ystalyfera, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Ystalyfera
- Population
- 10.2K
- Coordinates
- 51.77°, -3.78°
Ystalyfera is a city in United Kingdom with a population of approximately 10.2K. Average temperatures range from 3°C (37°F) in January to 20°C (68°F) in July. The best time to visit is May, June, July, August, September.
Time in Ystalyfera right now
Open full time & time zone page 07:38 38
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 Ystalyfera
Daylight in Ystalyfera today
View full sunrise & sunset page Sunrise
Sunset
Day length
16h 40m
Climate normals for Ystalyfera
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Good July best
Good August best
Good September best
Fair October
Fair November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 3°C | 4°C / -1°C | 14days (130 mm) Wet | 4h Fair | 90% Very Muggy | 1.1 Low | Poor | View Details |
| February | 9°C / 3°C | 5°C / -1°C | 15days (136 mm) Wet | 5.2h Fair | 87% Very Muggy | 1.4 Low | Poor | View Details |
| March | 10°C / 4°C | 6°C / 0°C | 16days (121 mm) Wet | 7.1h Good | 84% Humid | 3.2 Moderate | Poor | View Details |
| April | 13°C / 5°C | 10°C / 2°C | 12days (79 mm) Wet | 9.6h Good | 78% Humid | 4.3 Moderate | Fair | View Details |
| May best | 16°C / 9°C | 15°C / 6°C | 14days (94 mm) Wet | 11h Excellent | 78% Humid | 5.4 High | Good | View Details |
| June best | 19°C / 12°C | 18°C / 10°C | 16days (98 mm) Wet | 11h Excellent | 80% Humid | 6 High | Good | View Details |
| July best | 20°C / 13°C | 20°C / 12°C | 15days (100 mm) Wet | 11h Excellent | 81% Humid | 5.4 High | Good | View Details |
| August best | 20°C / 13°C | 19°C / 12°C | 16days (114 mm) Wet | 10.1h Excellent | 83% Humid | 4.9 Moderate | Good | View Details |
| September best | 17°C / 12°C | 16°C / 10°C | 15days (134 mm) Wet | 7.7h Good | 86% Very Muggy | 3.6 Moderate | Fair | View Details |
| October | 14°C / 9°C | 12°C / 7°C | 17days (151 mm) Wet | 6.1h Fair | 88% Very Muggy | 2.3 Moderate | Fair | View Details |
| November | 10°C / 6°C | 8°C / 3°C | 16days (139 mm) Wet | 4.4h Fair | 90% Very Muggy | 1.2 Low | Poor | View Details |
| December | 9°C / 5°C | 6°C / 1°C | 18days (166 mm) Wet | 3.2h Poor | 92% Very Muggy | 0.7 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 8°C / 3°C . Feb: 9°C / 3°C . Mar: 10°C / 4°C . Apr: 13°C / 5°C . May: 16°C / 9°C . Jun: 19°C / 12°C . Jul: 20°C / 13°C . Aug: 20°C / 13°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: 130 mm. Feb: 136 mm. Mar: 121 mm. Apr: 79 mm. May: 94 mm. Jun: 98 mm. Jul: 100 mm. Aug: 114 mm. Sep: 134 mm. Oct: 151 mm. Nov: 139 mm. Dec: 166 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 90%. Feb: 87%. Mar: 84%. Apr: 78%. May: 78%. Jun: 80%. Jul: 81%. Aug: 83%. Sep: 86%. Oct: 88%. Nov: 90%. Dec: 92%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 25 km/h . Mar: 23 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 19 km/h . Jul: 19 km/h . Aug: 20 km/h . Sep: 20 km/h . Oct: 22 km/h . Nov: 22 km/h . Dec: 23 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 8°C . Feb: 7°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.
Frequently Asked Questions
Ystalyfera has a population of approximately 10.2K.
The best months to visit Ystalyfera are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Ystalyfera receives approximately 1462mm of rainfall annually across 184 rainy days.
Ystalyfera is located in United Kingdom, in the Europe region.