Douglas Climate

Last updated: January 18, 2025

The climate of Douglas, Isle of Man is characterized by the Köppen-Geiger classification of Cfb, indicating a temperate maritime climate. This region experiences a minimum temperature of -1°C (30°F) in March, while the average temperature hovers around 11°C (51°F), culminating in a maximum of 19°C (67°F) during the warmer month of September. Such temperature variation illustrates the mild conditions typical of this coastal area, influencing both the local environment and the lifestyle of its inhabitants.

Douglas temperature by month

In Douglas, Isle of Man, temperature patterns exhibit distinct seasonal trends, characterized by mild winters and moderately warm summers. The year begins with January temperatures averaging around 7°C (46°F), with a low of 3°C (37°F) and a high reaching 13°C (55°F). As spring approaches, temperatures fluctuate, peaking in May at an average of 10°C (51°F) and ranging from 5°C (42°F) to 16°C (62°F). The warmest months, July and August, see averages of around 14°C (58°F) and maximums of 19°C (66°F), providing a pleasant respite from the cooler seasons. As autumn sets in, a gradual decline in temperatures is evident, with averages dropping back to 10°C (50°F) in November. Throughout the year, the climate remains relatively temperate, with no extreme highs or lows, contributing to the region's lush landscapes and vibrant ecosystems.

Monthly Temperatures in Douglas, Isle of Man

The chart illustrates Douglas's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec454545465055585958545047
Data source: Douglas temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

Douglas experiences a temperature range from a minimum of -1°C (30°F) in March to a maximum of 19°C (67°F) in September, reflecting the typical seasonal variation in this region. For more detailed insights into the climate patterns, you can refer to monthly temperatures in Douglas.

Precipitation Patterns in Douglas

Precipitation in Douglas, Isle of Man, displays a pattern of variability throughout the year, with several months experiencing significant rainfall. January starts the year with 82 mm (3.2 in) of rain over approximately 13 days, while February sees an increase to 111 mm (4.4 in) across 18 days. The trend continues into March with 91 mm (3.6 in), before dipping noticeably in April to just 37 mm (1.5 in), which is the driest month. This spring reprieve is short-lived as May brings 49 mm (1.9 in), leading into a relatively wet summer marked by 74 mm (2.9 in) in June and 82 mm (3.2 in) in July.

As autumn approaches, rainfall levels surge, particularly in October, which records the highest precipitation at 145 mm (5.7 in) over 19 days. November and December maintain this trend with 141 mm (5.6 in), attributed to 20 and 22 rainy days respectively. The consistent rainfall during these months underscores the region’s maritime climate, contributing to the lush greenery that characterizes the Isle of Man. Overall, Douglas experiences an annual precipitation pattern that is typical of temperate maritime climates, supporting both the local ecosystem and the charming landscape of the area.

Monthly Average Precipitation in Douglas, Isle of Man

The average monthly precipitation in Douglas, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec821119137497482101101145141141
Data source: Douglas precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Douglas

In Douglas, Isle of Man, sunshine duration exhibits a clear seasonal pattern, with the most significant increase observed from winter to summer. The year begins with a modest 86 hours of sunshine in January, gradually rising to 157 hours in February. As spring unfolds, the increase accelerates dramatically, reaching 227 hours in March and soaring to 344 hours in April. May marks the transition into the sunniest period, with a peak of 418 hours, showcasing the region's blossoming landscapes and longer days, as residents relish the warmth and light.

The summer months continue this trend of abundant sunshine, with June, July, and August recording 407 hours, 416 hours, and 371 hours respectively, although a slight decline is noted as August progresses. Autumn signals a shift towards shorter days, with sunshine hours decreasing to 309 hours in September and further dropping to 239 hours in October. By the time winter arrives, the sunshine wanes to a low of 97 hours in December, highlighting the stark contrast to the preceding summer months. This seasonal ebb and flow not only influences local weather patterns but also shapes outdoor activities and community life in Douglas throughout the year.

Monthly Sunshine in Douglas, Isle of Man

Monthly sunshine duration represents the total hours of direct sunlight Douglas receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec86h157h227h344h418h407h416h371h309h239h123h97h
Data source: Douglas sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Douglas UV Index Trends

The UV Index in Douglas, Isle of Man, showcases a distinct seasonal variation that reflects the changing strength of solar radiation throughout the year. Starting with low levels in the winter months, January and February have a UV Index of 1 and 2, respectively, alongside a consistent burn time of 45 minutes. As spring progresses, the UV Index climbs steadily, reaching 3 in March and 5 in April, indicating a moderate exposure risk that necessitates awareness, especially as outdoor activities become more frequent with the improving weather.

June and July present the highest UV Index readings of 8, categorized as very high, with corresponding burn times decreasing to just 15 minutes. This highlights the need for enhanced sun protection during the peak summer months. As autumn unfolds, the UV Index drops back to 5 in September and further falls to 3 in October, reverting to moderate levels. Finally, the winter months return to low UV Index readings of 2 in November and 1 in December, with extended burn times of 45 minutes signaling a reduced risk of sunburn. Overall, understanding these fluctuations is vital for residents and visitors alike to safely enjoy the outdoors throughout the year.

Monthly Maximum UV Index for Douglas, Isle of Man

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Douglas. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Douglas UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Douglas

In Douglas, Isle of Man, daylight duration varies significantly throughout the year, reflecting the region's temperate climate and seasonal shifts. The year begins with 7 hours of daylight in January, gradually increasing to 9 hours in February and 11 hours by March. As spring unfolds, the amount of daylight rises sharply, peaking at 14 hours in April and reaching a maximum of 16 hours in May. June marks the longest days of the year with 17 hours of daylight, providing ample opportunity for outdoor activities and exploration under the extended sunlight.

As summer transitions to autumn, the daylight hours gradually decrease, dropping to 16 hours in July and 14 hours in August. By September, daylight is reduced to 12 hours, continuing its decline to 10 hours in October. The shorter days return in November with 8 hours, and the cycle completes with 7 hours of daylight again in December. This rhythm of changing daylight not only affects the daily lifestyle in Douglas but also enhances the beauty of the landscape across the different seasons, as residents and visitors alike experience the ebb and flow of light throughout the year.

Average Monthly Daylight Hours in Douglas, Isle of Man

This chart shows the total daylight hours Douglas receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec478h584h714h846h963h1026h992h886h758h627h508h443h
Data source: Douglas daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Douglas's Popular Destinations

The climate in Douglas, Isle of Man, features mild temperatures year-round, with January highs averaging 7°C (46°F) and July peaking at 14°C (58°F). Precipitation is considerable, particularly in late autumn and winter, with October seeing the highest average of 145 mm (5.7 in). Sunshine hours steadily increase from January's 86 hours to a peak of 418 hours in May, before gradually declining towards the end of the year. This seasonal variation creates a relatively wet and cloudy atmosphere, typical of a maritime climate. For more details, visit Douglas climate.

Conclusion

In conclusion, the climate and environmental characteristics of Douglas, Isle of Man, exemplify the unique influences of a temperate maritime climate. With its mild temperature variations, distinct seasonal precipitation patterns, varied sunshine durations, and fluctuating UV Index levels throughout the year, the region offers a rich tapestry of natural beauty and outdoor opportunities. Understanding these climatic elements helps residents and visitors alike to better appreciate the changing seasons, adapt their activities accordingly, and embrace the diverse experiences that this charming coastal community has to offer. As each season unfolds, Douglas continues to inspire with its picturesque landscapes, vibrant flora, and a welcoming environment that invites exploration and enjoyment.

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