UTC Offset
UTC+01:00
Cairnryan, United Kingdom Snapshot 2026
Where is Cairnryan?
Cairnryan, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Cairnryan
- Population
- 3.8K
- Coordinates
- 54.97°, -5.02°
Cairnryan is a city in United Kingdom with a population of approximately 3.8K. Average temperatures range from 5°C (41°F) in February to 17°C (62°F) in August. The best time to visit is June, July, August, September.
Time in Cairnryan right now
Open full time & time zone page 18:56 56
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 Cairnryan
Daylight in Cairnryan today
View full sunrise & sunset page Sunrise
Sunset
Day length
17h 20m
Climate normals for Cairnryan
Long-term monthly averages based on historical data.
January
Wet 
February
Poor March
Poor April
Poor May
Fair June best
Good July best
Good August best
Good September best
Fair October
Wet November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 5°C | 3°C / -1°C | 19days (110 mm) Wet | 3.6h Poor | 82% Humid | 0.8 Low | Wet | View Details |
| February | 8°C / 5°C | 3°C / -1°C | 17days (114 mm) Wet | 5.2h Fair | 81% Humid | 1.4 Low | Poor | View Details |
| March | 9°C / 5°C | 4°C / 0°C | 16days (86 mm) Wet | 7.2h Good | 81% Humid | 2.8 Moderate | Poor | View Details |
| April | 10°C / 6°C | 7°C / 2°C | 11days (61 mm) Wet | 9.6h Good | 78% Humid | 4 Moderate | Poor | View Details |
| May | 13°C / 9°C | 11°C / 6°C | 12days (62 mm) Wet | 11.2h Excellent | 81% Humid | 5.3 High | Fair | View Details |
| June best | 15°C / 12°C | 13°C / 9°C | 14days (84 mm) Wet | 11.2h Excellent | 83% Humid | 5.7 High | Good | View Details |
| July best | 16°C / 13°C | 15°C / 11°C | 16days (101 mm) Wet | 10.5h Excellent | 85% Humid | 5.3 High | Good | View Details |
| August best | 17°C / 13°C | 15°C / 11°C | 16days (108 mm) Wet | 9.8h Good | 84% Humid | 4.8 Moderate | Good | View Details |
| September best | 15°C / 12°C | 13°C / 9°C | 17days (121 mm) Wet | 7.7h Good | 82% Humid | 3.4 Moderate | Fair | View Details |
| October | 13°C / 10°C | 10°C / 6°C | 18days (135 mm) Wet | 5.2h Fair | 81% Humid | 1.8 Low | Wet | View Details |
| November | 10°C / 8°C | 6°C / 2°C | 18days (136 mm) Wet | 4h Fair | 81% Humid | 1 Low | Wet | View Details |
| December | 9°C / 6°C | 4°C / 1°C | 19days (140 mm) Wet | 2.7h Poor | 83% Humid | 0.6 Low | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 8°C / 5°C . Feb: 8°C / 5°C . Mar: 9°C / 5°C . Apr: 10°C / 6°C . May: 13°C / 9°C . Jun: 15°C / 12°C . Jul: 16°C / 13°C . Aug: 17°C / 13°C . Sep: 15°C / 12°C . Oct: 13°C / 10°C . Nov: 10°C / 8°C . Dec: 9°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 110 mm. Feb: 114 mm. Mar: 86 mm. Apr: 61 mm. May: 62 mm. Jun: 84 mm. Jul: 101 mm. Aug: 108 mm. Sep: 121 mm. Oct: 135 mm. Nov: 136 mm. Dec: 140 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 81%. Mar: 81%. Apr: 78%. May: 81%. Jun: 83%. Jul: 85%. Aug: 84%. Sep: 82%. Oct: 81%. Nov: 81%. Dec: 83%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 36 km/h . Feb: 38 km/h . Mar: 32 km/h . Apr: 28 km/h . May: 25 km/h . Jun: 26 km/h . Jul: 25 km/h . Aug: 27 km/h . Sep: 31 km/h . Oct: 34 km/h . Nov: 35 km/h . Dec: 36 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 9°C . Feb: 8°C . Mar: 8°C . Apr: 10°C . May: 13°C . Jun: 14°C . Jul: 16°C . Aug: 16°C . Sep: 16°C . Oct: 14°C . Nov: 12°C . Dec: 10°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
Cairnryan has a population of approximately 3.8K.
The best months to visit Cairnryan are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Cairnryan receives approximately 1258mm of rainfall annually across 193 rainy days.
Cairnryan is located in United Kingdom, in the Europe region.