UTC Offset
UTC+01:00
Harthill, United Kingdom Snapshot 2026
Where is Harthill?
Harthill, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Harthill
- Population
- 3.7K
- Coordinates
- 55.86°, -3.75°
Harthill is a city in United Kingdom with a population of approximately 3.7K. Average temperatures range from 1°C (33°F) in January to 17°C (63°F) in July. The best time to visit is May, June, July, August, September.
Time in Harthill right now
Open full time & time zone page 21:44 44
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 Harthill
Daylight in Harthill today
View full sunrise & sunset page Sunrise
Sunset
Day length
17h 33m
Climate normals for Harthill
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May best
Fair June best
Good July best
Fair August best
Fair September best
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 5°C / 1°C | 1°C / -4°C | 14days (92 mm) Wet | 3h Poor | 89% Very Muggy | 0.8 Low | Poor | View Details |
| February | 6°C / 1°C | 2°C / -3°C | 16days (106 mm) Wet | 4.7h Fair | 85% Humid | 1.2 Low | Poor | View Details |
| March | 8°C / 2°C | 4°C / -2°C | 15days (84 mm) Wet | 6.4h Fair | 83% Humid | 2.5 Moderate | Poor | View Details |
| April | 10°C / 3°C | 7°C / -1°C | 11days (57 mm) Wet | 8.9h Good | 78% Humid | 3.9 Moderate | Poor | View Details |
| May best | 14°C / 6°C | 12°C / 4°C | 13days (68 mm) Wet | 10h Excellent | 77% Humid | 5.1 High | Fair | View Details |
| June best | 16°C / 9°C | 14°C / 7°C | 15days (86 mm) Wet | 10.1h Excellent | 78% Humid | 5.4 High | Good | View Details |
| July best | 17°C / 11°C | 16°C / 9°C | 16days (96 mm) Wet | 9.1h Good | 80% Humid | 4.8 Moderate | Fair | View Details |
| August best | 17°C / 11°C | 15°C / 9°C | 16days (97 mm) Wet | 8.6h Good | 82% Humid | 4.5 Moderate | Fair | View Details |
| September best | 15°C / 9°C | 13°C / 7°C | 15days (89 mm) Wet | 6.8h Fair | 83% Humid | 3.3 Moderate | Fair | View Details |
| October | 11°C / 6°C | 8°C / 3°C | 17days (106 mm) Wet | 4.7h Fair | 86% Very Muggy | 1.7 Low | Poor | View Details |
| November | 8°C / 3°C | 4°C / -1°C | 14days (82 mm) Wet | 3.6h Poor | 89% Very Muggy | 0.9 Low | Poor | View Details |
| December | 6°C / 2°C | 2°C / -2°C | 16days (104 mm) Wet | 2.2h Poor | 91% Very Muggy | 0.5 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 5°C / 1°C . Feb: 6°C / 1°C . Mar: 8°C / 2°C . Apr: 10°C / 3°C . May: 14°C / 6°C . Jun: 16°C / 9°C . Jul: 17°C / 11°C . Aug: 17°C / 11°C . Sep: 15°C / 9°C . Oct: 11°C / 6°C . Nov: 8°C / 3°C . Dec: 6°C / 2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 92 mm. Feb: 106 mm. Mar: 84 mm. Apr: 57 mm. May: 68 mm. Jun: 86 mm. Jul: 96 mm. Aug: 97 mm. Sep: 89 mm. Oct: 106 mm. Nov: 82 mm. Dec: 104 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 85%. Mar: 83%. Apr: 78%. May: 77%. Jun: 78%. Jul: 80%. Aug: 82%. Sep: 83%. Oct: 86%. Nov: 89%. Dec: 91%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 25 km/h . Mar: 21 km/h . Apr: 19 km/h . May: 18 km/h . Jun: 19 km/h . Jul: 18 km/h . Aug: 19 km/h . Sep: 20 km/h . Oct: 21 km/h . Nov: 20 km/h . Dec: 21 km/h .
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 5. Jul: UV 5. Aug: UV 5. Sep: UV 3. Oct: UV 2. Nov: UV 1. Dec: UV 1.
Frequently Asked Questions
Harthill has a population of approximately 3.7K.
The best months to visit Harthill are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Harthill receives approximately 1067mm of rainfall annually across 178 rainy days.
Harthill is located in United Kingdom, in the Europe region.