Irish Weather in December is characterized by cool temperatures, moderate rainfall, and limited sunshine. December is the wettest month of the year, with an average of 12 to 15 days of rainfall throughout the country. The cooler temperatures, ranging from 3°C to 10°C (37°F to 50°F), are due to the country’s westerly location in the North Atlantic.
The west of Ireland experiences the most rainfall, with areas like Galway and Mayo seeing up to 160 mm (6.3 in) in December, while the southeast is relatively drier. The sunniest part of Ireland during December is the west, where areas like Galway and Mayo receive around 38 hours of sunshine.
Irish Weather in December – Temperature Patterns and Variability
December is one of the coldest months in Ireland, with temperature fluctuations typical of temperate maritime climates. Temperatures drop significantly during the night compared to daytime values, showcasing typical diurnal patterns. Over the course of 10 years, December’s average temperature has ranged from 2-6°C. These fluctuations have been observed to be more pronounced in inland areas compared to coastal zones.
Temperature Variability in Urban and Rural Areas
Urban areas in Ireland, primarily known for their concrete and steel infrastructure, tend to be slightly warmer than their rural counterparts. This phenomenon is due to the ‘urban heat island effect’, a term coined by Luke Howard in 1818 to describe the tendency of built-up areas to become warmer than their surroundings.
The Impact of Urban vs. Rural Areas on Temperature
Research in Ireland has indicated that urban areas’ temperatures can rise by as much as 2-4°C compared to nearby rural locations during the night, which may be attributed to increased heat retention from buildings and pavement. This urban heat island effect can become particularly pronounced if large buildings are densely packed, especially in urban zones of cities like Dublin. Rural areas, on the other hand, often have more green spaces, parks, and natural habitats that regulate temperatures, resulting in fewer extreme temperature variations.
Notable Temperature-Related Events in December on Record in Ireland
Irish weather data shows that the country has experienced some unusual temperature fluctuations in December.
- December 2000: This month is notable for experiencing below-average temperatures, especially throughout rural areas of the northwest. Overnight temperatures plummeted to as low as -5°C, while daytime temperatures struggled to reach 4°C in some parts of the country. Weather-related events such as frost and frost damage were common during this period.
- December 2010: Temperatures during this month remained steady but were on average 2°C lower than usual. Frost occurred frequently throughout December, causing issues with road travel and agricultural activities.
- December 2013: Overnight temperatures in some areas experienced an unusual drop, as low as -3°C in rural parts of Connemara. Although this may be considered an average temperature drop for December in some parts of the country, these particular lows had a significant impact on the environment, especially for certain farming activities.
- December 2019: This marked one of the warmest Decembers on record for Ireland, with temperatures reaching up to 15°C in parts of the country.
- December 2009: Temperatures in Ireland were slightly above normal during this month, with temperatures averaging at about 5°C. This relatively mild climate, combined with minimal precipitation, made this month a great time for outdoor activities in the country.
Sunshine Duration in Ireland During December
Sunshine duration in Ireland during December is relatively low compared to other months of the year. Despite this, Ireland’s climate is characterized by a moderate amount of sunshine throughout the year, which plays a crucial role in maintaining a relatively stable temperature and influencing various aspects of the country’s ecosystem.
Visualizing Average Sunshine Hours in Dublin, Cork, and Galway, Irish weather in december
The following table illustrates the average sunshine hours in Dublin, Cork, and Galway during December:
| Location | Daily Average Sunshine Hours | Weekly Pattern | Monthly Total Sunshine Hours |
| — | — | — | — |
| Dublin | 1.2 hours/day | 10.2 hours/week | 45.1 hours/month |
| Cork | 1.5 hours/day | 12.3 hours/week | 52.6 hours/month |
| Galway | 1.1 hours/day | 9.3 hours/week | 40.9 hours/month |
These numbers indicate a slight variation in sunshine duration across the three cities, with Cork receiving the most and Galway receiving the least amount of sunshine during December.
Sunshine and Vitamin D Production: Impact on Well-being
Sunshine plays a critical role in vitamin D production in humans. With limited sunshine hours during December, the vitamin D levels in the Irish population tend to drop. This can have significant effects on overall well-being, particularly on bone health and immune function. According to Healthline, vitamin D deficiency is prevalent in Europe, with up to 75% of adults in Ireland experiencing some level of deficiency.
Comparing Sunshine Duration with Neighboring Countries
A comparison between Ireland and its neighboring countries reveals significant differences in sunshine duration during December. Scotland averages 0.5 hours of sunshine per day, while Norway averages 0.8 hours. In contrast, Wales averages 1.2 hours of sunshine per day, which is closer to Ireland’s average.
In conclusion, sunshine duration in Ireland during December is influenced by the country’s geographical location and climate. The relatively low sunshine hours during this period can have significant effects on vitamin D production and overall well-being, making it essential for residents to take precautions to maintain healthy vitamin D levels.
Impacts of Irish Weather in December on Tourism and Economy
The Irish weather in December can have a significant impact on the country’s tourism and economy. While the mild winter conditions and festive atmosphere can attract visitors, the unpredictable and sometimes harsh weather can also deter tourists and affect local businesses.
Positive Impacts on Tourism and Economy
Despite the potential challenges, the Irish weather in December can also have positive impacts on tourism and the economy. The festive atmosphere and mild conditions can attract visitors from around the world, making December one of the best months for tourism in Ireland.
- Increased hotel bookings and revenue: The mild winter conditions and festive atmosphere can attract visitors from around the world, leading to increased hotel bookings and revenue.
- Boost to local businesses: The influx of tourists can also boost local businesses, such as shops, restaurants, and pubs, as visitors spend money on goods and services.
- Visitors’ feedback: December holidaymakers praise the mild Irish winter weather as a bonus and highlight the magical atmosphere of the season as an added selling point for visiting Ireland.
- Economic growth: The increased tourism and spending can contribute to economic growth, as visitors inject money into the local economy.
- Agricultural production: While severe weather can impact farming, the mild December weather can also allow for later harvests and extend the growing season, benefiting the agricultural sector.
- Increased investment: The mild winter conditions can also encourage investment in infrastructure development, such as tourism-related projects and property development.
- Seasonal employment: The increased tourism can also lead to seasonal employment opportunities for locals, which can help to alleviate unemployment.
Negative Impacts on Tourism and Economy
While the Irish weather in December can have positive impacts, it can also have negative impacts on tourism and the economy. Severe storms, heavy rainfall, and strong winds can disrupt travel plans, damage infrastructure, and affect local businesses.
- Disruption to travel plans: Severe weather can disrupt travel plans, forcing tourists to cancel their trips or alter their itineraries.
- Damage to infrastructure: Heavy rainfall and strong winds can damage infrastructure, such as buildings, roads, and bridges, which can affect local businesses and tourism.
- Impact on local businesses: The disruption to travel plans and damage to infrastructure can also affect local businesses, which can suffer losses and damage to their properties.
- Reduced revenue: The negative impacts of the weather can also reduce revenue for local businesses, as tourists may not spend as much money as expected.
- Agricultural losses: While the mild December weather can benefit agriculture, severe weather can also lead to losses, particularly if it results in crop damage or destruction.
Real-Life Examples
The Irish weather in December has had significant impacts on tourism and the economy in the past. For example:
Severe Storms: In 2011, a severe storm caused widespread damage to infrastructure and disrupted travel plans, resulting in significant losses for local businesses and tourism.
Heavy Rainfall: In 2014, heavy rainfall caused flooding in several parts of the country, affecting local businesses and tourism, and resulting in significant costs for infrastructure repairs.
These examples demonstrate the potential impacts of the Irish weather in December on tourism and the economy, highlighting the need for businesses and governments to prepare for and adapt to the changing weather patterns.
Final Thoughts: Irish Weather In December
Irish Weather in December remains unpredictable with cold fronts bringing rain and strong winds. However, it’s essential to consider the country’s weather patterns when planning tourism and economic activities.
The impact of Irish Weather in December on the economy is significant, with severe weather events causing disruptions to tourism, agriculture, and industry.
Helpful Answers
What is the average temperature in Ireland in December?
The average temperature in Ireland in December is 5°C (41°F).
Is December the wettest month in Ireland?
Yes, December is the wettest month in Ireland, with an average of 12 to 15 days of rainfall.
Where does Ireland experience the most rainfall in December?
The west of Ireland experiences the most rainfall in December, with areas like Galway and Mayo seeing up to 160 mm (6.3 in) in December.
How many hours of sunshine does Ireland receive in December?
The west of Ireland receives around 38 hours of sunshine in December.
