Donaghadee, United Kingdom experiences average highs of 12°C (54°F) and lows of 9°C (48°F) throughout the year. Rainfall is frequent, averaging about 15 rainy days per month. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Donaghadee, United Kingdom Weather & Climate 2026
Monthly climate averages for Donaghadee, United Kingdom. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Sep 
Wetter season: Oct–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
4.1/10
Best: June, July, August, September
UV Index
3
Low
Temperature 12°C / 9°C
Feels Like 9°C / 5°C
Rainy Days 15
Rainfall 93 mm
Sunshine 7 h
Humidity 81%
Wind Speed 28 km/h
Dew Point 7°C
Snow Days 2 days
Hottest Month
17°C
August
Avg Low13°C
Rain16days
Coldest Month
5°C
February
Avg High8°C
Rain15days
Driest Month
11days
April
Avg High10°C
Avg Low7°C
Windiest Month
34 km/h
February (Gusts 53)
Sea Temperature
9°C – 16°C
Warmest water: August (
15.7°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:46
Daylight 17.2h
Sunset 22:01
Live conditions—
Donaghadee on the map · live conditions
Donaghadee, United Kingdom
- Continent
- Europe
- Country
- United Kingdom
- City
- Donaghadee
- Population
- 7.4K
- Coordinates
- 54.64°, -5.54°
Seasonal Breakdown
Spring
Mar–May
Avg High 11°C
Avg Low 7°C
Rain 13 days/mo
Summer
Jun–Aug
Avg High 17°C
Avg Low 13°C
Rain 15 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 13°C
Avg Low 10°C
Rain 17 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 8°C
Avg Low 5°C
Rain 16 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 8°C / 5°C . Feb: 8°C / 5°C . Mar: 9°C / 5°C . Apr: 10°C / 7°C . May: 13°C / 9°C . Jun: 16°C / 12°C . Jul: 17°C / 13°C . Aug: 17°C / 13°C . Sep: 16°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: 86 mm. Feb: 93 mm. Mar: 81 mm. Apr: 61 mm. May: 64 mm. Jun: 85 mm. Jul: 100 mm. Aug: 106 mm. Sep: 105 mm. Oct: 117 mm. Nov: 110 mm. Dec: 111 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 81%. Mar: 81%. Apr: 79%. May: 80%. Jun: 80%. Jul: 82%. Aug: 82%. Sep: 82%. Oct: 81%. Nov: 82%. Dec: 84%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 32 km/h . Feb: 34 km/h . Mar: 29 km/h . Apr: 26 km/h . May: 23 km/h . Jun: 23 km/h . Jul: 22 km/h . Aug: 24 km/h . Sep: 27 km/h . Oct: 31 km/h . Nov: 31 km/h . Dec: 32 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 5h. Mar: 7h. Apr: 9h. May: 11h. Jun: 11h. Jul: 10h. Aug: 9h. Sep: 8h. Oct: 5h. Nov: 4h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 9°C . Feb: 9°C . Mar: 9°C . Apr: 10°C . May: 12°C . Jun: 14°C . Jul: 15°C . Aug: 16°C . Sep: 15°C . Oct: 14°C . Nov: 13°C . Dec: 11°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.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 2 days. Feb: 2 days. Mar: 1 days. Apr: 0 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 0 days. Dec: 1 days.
Climate Trends
Average highs have warmed by 0.6°C (1.1°F) across the available records. Average rainfall is trending wetter by about 10 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 18°C | Aug · 17°C |
| Coldest month | Jan 2025 · 5°C | Feb · 5°C |
| Wettest month | Nov 2025 · 163 mm | Oct · 117 mm |
| Windiest month | Feb 2025 · 33 km/h | Feb · 34 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Good July best
Good August best
Good September best
Fair October
Poor November
Wet December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 5°C | 3°C / 0°C | 16days (86 mm) Wet | 3.8h Poor | 83% Humid | 0.9 Low | Poor | View Details |
| February | 8°C / 5°C | 3°C / -1°C | 15days (93 mm) Wet | 5.2h Fair | 81% Humid | 1.4 Low | Poor | View Details |
| March | 9°C / 5°C | 5°C / 0°C | 15days (81 mm) Wet | 7.1h Good | 81% Humid | 2.8 Moderate | Poor | View Details |
| April | 10°C / 7°C | 7°C / 2°C | 11days (61 mm) Wet | 9.3h Good | 79% Humid | 4 Moderate | Poor | View Details |
| May | 13°C / 9°C | 11°C / 6°C | 12days (64 mm) Wet | 11h Excellent | 80% Humid | 5.3 High | Fair | View Details |
| June best | 16°C / 12°C | 14°C / 9°C | 14days (85 mm) Wet | 10.8h Excellent | 80% Humid | 5.6 High | Good | View Details |
| July best | 17°C / 13°C | 16°C / 11°C | 16days (100 mm) Wet | 10.1h Excellent | 82% Humid | 5.1 High | Good | View Details |
| August best | 17°C / 13°C | 16°C / 11°C | 16days (106 mm) Wet | 9.4h Good | 82% Humid | 4.8 Moderate | Good | View Details |
| September best | 16°C / 12°C | 13°C / 9°C | 16days (105 mm) Wet | 7.5h Good | 82% Humid | 3.3 Moderate | Fair | View Details |
| October | 13°C / 10°C | 10°C / 6°C | 17days (117 mm) Wet | 5.3h Fair | 81% Humid | 1.9 Low | Poor | View Details |
| November | 10°C / 8°C | 6°C / 3°C | 18days (110 mm) Wet | 4h Fair | 82% Humid | 1 Low | Wet | View Details |
| December | 9°C / 6°C | 5°C / 1°C | 17days (111 mm) Wet | 2.8h Poor | 84% Humid | 0.6 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Donaghadee are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Donaghadee, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Donaghadee is August, with average daytime highs of 17°C (63°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Donaghadee is February, with average overnight lows of 5°C (41°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Donaghadee is October, averaging 117mm of precipitation across 17 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Donaghadee runs through November, October, December, January, with the heaviest rainfall in November. Based on 10-year averages for Donaghadee.
Donaghadee receives approximately 86 sunshine hours per year. The sunniest month is May with around 11 hours. Based on climate data for Donaghadee.
The least favorable months to visit Donaghadee are January, February, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Donaghadee is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Donaghadee is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 12°C (54°F), which most swimmers will find too cold without a wetsuit.
Yes, Donaghadee receives snow. Months with snowfall average 2 snow days and 1 cm (0 in) of accumulation, with about 0 frost days during winter.
Average wind speeds in Donaghadee are 28 km/h (17 mph). The windiest month is February with peak winds reaching 34 km/h (21 mph) (gusts up to 53 km/h / 33 mph).
Donaghadee averages 1 clear-sky days per month with overall cloud cover around 72%. The clearest skies occur in April.
The annual average dew point in Donaghadee is 7°C (45°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Donaghadee has a Oceanic climate, classified as Cfb under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Donaghadee ranges from 5°C (41°F) to 9°C (48°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Donaghadee. It earns a climate score of 7/10 with Good.
For June in Donaghadee, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 16°C (60°F) and 14 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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