UTC Offset
UTC+01:00
Harlech, United Kingdom Snapshot 2026
Where is Harlech?
Harlech, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Harlech
- Population
- 1.8K
- Coordinates
- 52.86°, -4.11°
Harlech is a city in United Kingdom with a population of approximately 1.8K. Average temperatures range from 3°C (37°F) in January to 19°C (65°F) in July. The best time to visit is May, June, July, August, September.
Time in Harlech right now
Open full time & time zone page 19:08 08
Monday, June 15, 2026
IANA time zone
Europe/London
Daylight saving
DST in effect
GMT / BST
Next DST change
October 25
backward -1h
Live weather in Harlech
Daylight in Harlech today
View full sunrise & sunset page Sunrise
Sunset
Day length
16h 52m
Climate normals for Harlech
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Fair June best
Good July best
Good August best
Fair September best
Fair October
Poor November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 3°C | 4°C / -1°C | 16days (133 mm) Wet | 3.2h Poor | 89% Very Muggy | 0.9 Low | Poor | View Details |
| February | 8°C / 3°C | 4°C / -1°C | 16days (129 mm) Wet | 4.5h Fair | 86% Very Muggy | 1.3 Low | Poor | View Details |
| March | 9°C / 4°C | 6°C / 0°C | 17days (113 mm) Wet | 6.3h Fair | 84% Humid | 3 Moderate | Poor | View Details |
| April | 12°C / 5°C | 9°C / 2°C | 13days (72 mm) Wet | 8.7h Good | 78% Humid | 4.2 Moderate | Fair | View Details |
| May best | 15°C / 8°C | 14°C / 6°C | 12days (75 mm) Wet | 10.3h Excellent | 79% Humid | 5.4 High | Fair | View Details |
| June best | 18°C / 11°C | 17°C / 10°C | 15days (93 mm) Wet | 9.9h Good | 81% Humid | 5.6 High | Good | View Details |
| July best | 19°C / 13°C | 18°C / 12°C | 15days (95 mm) Wet | 9.4h Good | 83% Humid | 5.1 High | Good | View Details |
| August best | 18°C / 13°C | 17°C / 12°C | 17days (113 mm) Wet | 8.5h Good | 85% Humid | 4.7 Moderate | Fair | View Details |
| September best | 17°C / 11°C | 15°C / 10°C | 17days (136 mm) Wet | 6.7h Fair | 85% Humid | 3.3 Moderate | Fair | View Details |
| October | 13°C / 9°C | 11°C / 6°C | 17days (138 mm) Wet | 5h Fair | 87% Very Muggy | 2.2 Moderate | Poor | View Details |
| November | 10°C / 6°C | 7°C / 3°C | 18days (140 mm) Wet | 3.4h Poor | 89% Very Muggy | 1.1 Low | Wet | View Details |
| December | 8°C / 5°C | 5°C / 1°C | 18days (158 mm) Wet | 2.4h Poor | 91% Very Muggy | 0.6 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 7°C / 3°C . Feb: 8°C / 3°C . Mar: 9°C / 4°C . Apr: 12°C / 5°C . May: 15°C / 8°C . Jun: 18°C / 11°C . Jul: 19°C / 13°C . Aug: 18°C / 13°C . Sep: 17°C / 11°C . Oct: 13°C / 9°C . Nov: 10°C / 6°C . Dec: 8°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 133 mm. Feb: 129 mm. Mar: 113 mm. Apr: 72 mm. May: 75 mm. Jun: 93 mm. Jul: 95 mm. Aug: 113 mm. Sep: 136 mm. Oct: 138 mm. Nov: 140 mm. Dec: 158 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 86%. Mar: 84%. Apr: 78%. May: 79%. Jun: 81%. Jul: 83%. Aug: 85%. Sep: 85%. Oct: 87%. Nov: 89%. Dec: 91%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 25 km/h . Mar: 22 km/h . Apr: 19 km/h . May: 17 km/h . Jun: 18 km/h . Jul: 18 km/h . Aug: 19 km/h . Sep: 20 km/h . Oct: 21 km/h . Nov: 21 km/h . Dec: 23 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 7°C . Feb: 7°C . Mar: 8°C . Apr: 11°C . May: 15°C . Jun: 17°C . Jul: 18°C . Aug: 18°C . Sep: 17°C . Oct: 14°C . Nov: 11°C . Dec: 8°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 3. Oct: UV 2. Nov: UV 1. Dec: UV 1.
Frequently Asked Questions
Harlech has a population of approximately 1.8K.
The best months to visit Harlech are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Harlech receives approximately 1395mm of rainfall annually across 191 rainy days.
Harlech is located in United Kingdom, in the Europe region.