UTC Offset
UTC+01:00
Castlederg, United Kingdom Snapshot 2026
Where is Castlederg?
Castlederg, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Castlederg
- Population
- 2.8K
- Coordinates
- 54.71°, -7.59°
Castlederg is a city in United Kingdom with a population of approximately 2.8K. Average temperatures range from 3°C (37°F) in January to 18°C (64°F) in July. The best time to visit is May, June, July, August, September.
Time in Castlederg right now
Open full time & time zone page 18:58 58
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 Castlederg
Daylight in Castlederg today
View full sunrise & sunset page Sunrise
Sunset
Day length
17h 16m
Climate normals for Castlederg
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Fair June best
Fair July best
Good August best
Fair September best
Fair October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 7°C / 3°C | 4°C / -1°C | 14days (80 mm) Wet | 3.2h Poor | 88% Very Muggy | 0.9 Low | Poor | View Details |
| February | 8°C / 3°C | 4°C / -1°C | 16days (98 mm) Wet | 4.8h Fair | 85% Humid | 1.5 Low | Poor | View Details |
| March | 9°C / 4°C | 6°C / 0°C | 16days (84 mm) Wet | 6.4h Fair | 83% Humid | 2.5 Moderate | Poor | View Details |
| April | 12°C / 5°C | 8°C / 2°C | 15days (75 mm) Wet | 8.7h Good | 80% Humid | 3.9 Moderate | Fair | View Details |
| May best | 15°C / 8°C | 13°C / 6°C | 13days (76 mm) Wet | 10.3h Excellent | 78% Humid | 5.3 High | Fair | View Details |
| June best | 17°C / 11°C | 16°C / 9°C | 16days (92 mm) Wet | 9.2h Good | 80% Humid | 5.2 High | Fair | View Details |
| July best | 18°C / 12°C | 17°C / 11°C | 14days (97 mm) Wet | 8.3h Good | 82% Humid | 4.7 Moderate | Good | View Details |
| August best | 18°C / 12°C | 17°C / 11°C | 17days (111 mm) Wet | 8.4h Good | 84% Humid | 4.5 Moderate | Fair | View Details |
| September best | 16°C / 10°C | 14°C / 8°C | 16days (89 mm) Wet | 6.7h Fair | 85% Humid | 3.3 Moderate | Fair | View Details |
| October | 13°C / 8°C | 10°C / 5°C | 17days (103 mm) Wet | 4.9h Fair | 86% Very Muggy | 1.8 Low | Poor | View Details |
| November | 9°C / 5°C | 7°C / 2°C | 15days (82 mm) Wet | 3.7h Poor | 89% Very Muggy | 1 Low | Poor | View Details |
| December | 8°C / 4°C | 5°C / 0°C | 16days (91 mm) Wet | 2.5h Poor | 91% Very Muggy | 0.6 Low | Poor | 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: 17°C / 11°C . Jul: 18°C / 12°C . Aug: 18°C / 12°C . Sep: 16°C / 10°C . Oct: 13°C / 8°C . Nov: 9°C / 5°C . Dec: 8°C / 4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 80 mm. Feb: 98 mm. Mar: 84 mm. Apr: 75 mm. May: 76 mm. Jun: 92 mm. Jul: 97 mm. Aug: 111 mm. Sep: 89 mm. Oct: 103 mm. Nov: 82 mm. Dec: 91 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 88%. Feb: 85%. Mar: 83%. Apr: 80%. May: 78%. Jun: 80%. Jul: 82%. Aug: 84%. Sep: 85%. Oct: 86%. Nov: 89%. Dec: 91%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 25 km/h . Mar: 21 km/h . Apr: 19 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 17 km/h . Aug: 19 km/h . Sep: 20 km/h . Oct: 21 km/h . Nov: 20 km/h . Dec: 22 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 2. 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
Castlederg has a population of approximately 2.8K.
The best months to visit Castlederg are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Castlederg receives approximately 1078mm of rainfall annually across 185 rainy days.
Castlederg is located in United Kingdom, in the Europe region.