Douglas, Isle of Man experiences average highs of 12°C (54°F) and lows of 10°C (50°F) throughout the year. Rainfall is frequent, averaging about 14 rainy days per month. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Douglas, Isle of Man Weather & Climate 2026
Monthly climate averages for Douglas, Isle of Man. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Aug 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
3.5/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 12°C / 10°C
Feels Like 8°C / 4°C
Rainy Days 14
Rainfall 91 mm
Sunshine 8 h
Humidity 81%
Wind Speed 38 km/h
Dew Point 8°C
Snow Days 1 days
Hottest Month
17°C
August
Avg Low15°C
Rain13days
Coldest Month
6°C
February
Avg High8°C
Rain14days
Driest Month
9days
May
Avg High12°C
Avg Low10°C
Windiest Month
46 km/h
February (Gusts 64)
Sea Temperature
8°C – 16°C
Warmest water: August (
16.3°C
)
Worst Time to Visit
Consider avoiding January, February, November, December due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 04:46
Daylight 17.1h
Sunset 21:54
Live conditions—
Douglas on the map · live conditions
Douglas, Isle of Man
- Continent
- Europe
- Country
- Isle of Man
- City
- Douglas
- Population
- 26.2K
- Coordinates
- 54.15°, -4.48°
Seasonal Breakdown
Spring
Mar–May
Avg High 10°C
Avg Low 8°C
Rain 11 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 16°C
Avg Low 14°C
Rain 12 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 13°C
Avg Low 11°C
Rain 16 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 9°C
Avg Low 7°C
Rain 17 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 / 6°C . Feb: 8°C / 6°C . Mar: 8°C / 6°C . Apr: 10°C / 7°C . May: 12°C / 10°C . Jun: 15°C / 12°C . Jul: 16°C / 14°C . Aug: 17°C / 15°C . Sep: 16°C / 13°C . Oct: 14°C / 12°C . Nov: 11°C / 9°C . Dec: 10°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 97 mm. Feb: 91 mm. Mar: 78 mm. Apr: 56 mm. May: 47 mm. Jun: 65 mm. Jul: 78 mm. Aug: 85 mm. Sep: 114 mm. Oct: 122 mm. Nov: 129 mm. Dec: 132 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 79%. Feb: 79%. Mar: 81%. Apr: 79%. May: 82%. Jun: 83%. Jul: 85%. Aug: 83%. Sep: 80%. Oct: 79%. Nov: 77%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 44 km/h . Feb: 46 km/h . Mar: 39 km/h . Apr: 34 km/h . May: 32 km/h . Jun: 32 km/h . Jul: 31 km/h . Aug: 34 km/h . Sep: 38 km/h . Oct: 42 km/h . Nov: 43 km/h . Dec: 45 km/h .
Sunshine
Sunshine
Sunshine: Jan: 4h. Feb: 6h. Mar: 8h. Apr: 10h. May: 12h. Jun: 12h. Jul: 11h. Aug: 10h. Sep: 8h. Oct: 6h. Nov: 4h. Dec: 3h.
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 9°C . Feb: 8°C . Mar: 8°C . Apr: 9°C . May: 12°C . Jun: 14°C . Jul: 15°C . Aug: 16°C . Sep: 16°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: 0 days. Feb: 1 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: 0 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 16 mm.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 17°C | Aug · 17°C |
| Coldest month | Jan 2025 · 6°C | Feb · 6°C |
| Wettest month | Nov 2025 · 198 mm | Dec · 132 mm |
| Windiest month | Dec 2025 · 47 km/h | Feb · 46 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor 
March
Poor April
Poor May best
Fair June best
Fair July best
Fair August best
Fair September best
Fair October
Poor November
Wet December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C / 6°C | 3°C / -1°C | 16days (97 mm) Wet | 3.8h Poor | 79% Humid | 0.8 Low | Poor | View Details |
| February | 8°C / 6°C | 2°C / -1°C | 14days (91 mm) Wet | 5.5h Fair | 79% Humid | 1.4 Low | Poor | View Details |
| March | 8°C / 6°C | 4°C / 0°C | 14days (78 mm) Wet | 7.6h Good | 81% Humid | 3 Moderate | Poor | View Details |
| April | 10°C / 7°C | 6°C / 2°C | 10days (56 mm) Wet | 9.8h Good | 79% Humid | 4.2 Moderate | Poor | View Details |
| May best | 12°C / 10°C | 10°C / 5°C | 9days (47 mm) Wet | 11.7h Excellent | 82% Humid | 5.4 High | Fair | View Details |
| June best | 15°C / 12°C | 13°C / 8°C | 11days (65 mm) Wet | 11.7h Excellent | 83% Humid | 5.8 High | Fair | View Details |
| July best | 16°C / 14°C | 14°C / 11°C | 12days (78 mm) Wet | 11h Excellent | 85% Humid | 5.3 High | Fair | View Details |
| August best | 17°C / 15°C | 15°C / 11°C | 13days (85 mm) Wet | 10.3h Excellent | 83% Humid | 4.8 Moderate | Fair | View Details |
| September best | 16°C / 13°C | 13°C / 9°C | 15days (114 mm) Wet | 8.1h Good | 80% Humid | 3.4 Moderate | Fair | View Details |
| October | 14°C / 12°C | 9°C / 6°C | 16days (122 mm) Wet | 5.8h Fair | 79% Humid | 1.9 Low | Poor | View Details |
| November | 11°C / 9°C | 6°C / 2°C | 18days (129 mm) Wet | 4.2h Fair | 77% Humid | 1 Low | Wet | View Details |
| December | 10°C / 8°C | 4°C / 1°C | 20days (132 mm) Wet | 2.9h Poor | 80% Humid | 0.6 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Douglas are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Douglas, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Douglas is August, with average daytime highs of 17°C (62°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Douglas is February, with average overnight lows of 6°C (43°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Douglas is December, averaging 132mm of precipitation across 20 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Douglas runs through December, November, January, October, with the heaviest rainfall in December. Based on 10-year averages for Douglas.
Douglas receives approximately 92 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Douglas.
The least favorable months to visit Douglas are January, February, November, December, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Douglas is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Douglas 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, Douglas receives snow. Months with snowfall average 1 snow days and 1 cm (0 in) of accumulation, with about 0 frost days during winter.
Average wind speeds in Douglas are 38 km/h (24 mph). The windiest month is February with peak winds reaching 46 km/h (28 mph) (gusts up to 64 km/h / 40 mph).
Douglas averages 1 clear-sky days per month with overall cloud cover around 68%. The clearest skies occur in May.
The annual average dew point in Douglas is 8°C (46°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Douglas 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 Douglas ranges from 4°C (39°F) to 8°C (46°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
June is not the best time to visit Douglas, with a climate score of 6.4/10. Consider visiting during May, June, July, August, September instead for better conditions.
For June in Douglas, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. With average highs of 15°C (58°F) and 11 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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