UTC Offset
UTC+01:00
Gretna, United Kingdom Snapshot 2026
Where is Gretna?
Gretna, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Gretna
- Population
- 3K
- Coordinates
- 54.99°, -3.07°
Gretna is a city in United Kingdom with a population of approximately 3K. Average temperatures range from 2°C (35°F) in January to 19°C (65°F) in July. The best time to visit is May, June, July, August, September.
Time in Gretna right now
Open full time & time zone page 19:40 40
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 Gretna
Daylight in Gretna today
View full sunrise & sunset page Sunrise
Sunset
Day length
17h 20m
Climate normals for Gretna
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May best
Fair June best
Good July best
Good August best
Fair September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 6°C / 2°C | 2°C / -2°C | 13days (89 mm) Wet | 3.1h Poor | 89% Very Muggy | 0.8 Low | Poor | View Details |
| February | 7°C / 2°C | 3°C / -2°C | 15days (97 mm) Wet | 4.7h Fair | 85% Humid | 1.3 Low | Poor | View Details |
| March | 9°C / 3°C | 5°C / -1°C | 14days (78 mm) Wet | 6.6h Fair | 83% Humid | 2.7 Moderate | Poor | View Details |
| April | 12°C / 4°C | 8°C / 1°C | 11days (55 mm) Wet | 9.1h Good | 77% Humid | 4 Moderate | Poor | View Details |
| May best | 15°C / 7°C | 13°C / 5°C | 13days (62 mm) Wet | 10.5h Excellent | 77% Humid | 5.1 High | Fair | View Details |
| June best | 18°C / 11°C | 16°C / 9°C | 14days (80 mm) Wet | 10.6h Excellent | 77% Humid | 5.6 High | Good | View Details |
| July best | 19°C / 12°C | 18°C / 11°C | 16days (93 mm) Wet | 9.7h Good | 80% Humid | 4.8 Moderate | Good | View Details |
| August best | 18°C / 12°C | 17°C / 11°C | 16days (92 mm) Wet | 8.9h Good | 82% Humid | 4.7 Moderate | Fair | View Details |
| September best | 16°C / 10°C | 14°C / 8°C | 14days (87 mm) Wet | 7h Good | 83% Humid | 3.4 Moderate | Good | View Details |
| October | 13°C / 8°C | 10°C / 5°C | 15days (104 mm) Wet | 4.8h Fair | 86% Very Muggy | 1.9 Low | Poor | View Details |
| November | 9°C / 4°C | 6°C / 1°C | 14days (85 mm) Wet | 3.6h Poor | 88% Very Muggy | 0.9 Low | Poor | View Details |
| December | 7°C / 3°C | 4°C / -1°C | 16days (98 mm) Wet | 2.3h Poor | 90% Very Muggy | 0.5 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 6°C / 2°C . Feb: 7°C / 2°C . Mar: 9°C / 3°C . Apr: 12°C / 4°C . May: 15°C / 7°C . Jun: 18°C / 11°C . Jul: 19°C / 12°C . Aug: 18°C / 12°C . Sep: 16°C / 10°C . Oct: 13°C / 8°C . Nov: 9°C / 4°C . Dec: 7°C / 3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 89 mm. Feb: 97 mm. Mar: 78 mm. Apr: 55 mm. May: 62 mm. Jun: 80 mm. Jul: 93 mm. Aug: 92 mm. Sep: 87 mm. Oct: 104 mm. Nov: 85 mm. Dec: 98 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 85%. Mar: 83%. Apr: 77%. May: 77%. Jun: 77%. Jul: 80%. Aug: 82%. Sep: 83%. Oct: 86%. Nov: 88%. Dec: 90%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 24 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 .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 5°C . Feb: 6°C . Mar: 7°C . Apr: 11°C . May: 15°C . Jun: 17°C . Jul: 18°C . Aug: 18°C . Sep: 16°C . Oct: 13°C . Nov: 10°C . Dec: 6°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
Gretna has a population of approximately 3K.
The best months to visit Gretna are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Gretna receives approximately 1020mm of rainfall annually across 171 rainy days.
Gretna is located in United Kingdom, in the Europe region.