December Weather in Straffan, Ireland

Last updated: March 17, 2025

In Straffan, Ireland, December ushers in a chill with maximum temperatures peaking at 13°C (56°F) and an average hovering around 6°C (43°F). The minimum temperatures can dip to a brisk -4°C (25°F), making warm attire essential for outdoor excursions. Rain is a frequent guest, with 90 mm (3.5 in) of precipitation measured over 15 days, contributing to an overall humidity level of 84%. Visitors can expect a moody, atmospheric landscape, perfect for enjoying the cozy charms of the season while experiencing Ireland's distinctive winter weather.

December Temperature in Straffan

In Straffan, Ireland, December ushers in the chill of winter, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 13°C (56°F). As the year draws to a close, the average temperature sits at a brisk 6°C (43°F), marking a notable drop compared to the milder months preceding it. This shift reflects a broader trend of declining temperatures throughout the fall, showcasing a march towards the heart of winter. Despite the chill, December's climate offers a cozy charm, perfect for festive gatherings and embracing the season’s spirit as one witnesses nature’s transformation in this picturesque Irish locale.

December Weather in Straffan: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Straffan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414344475257615956514543
Data source: Temperature data for Straffan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Straffan

December in Straffan, Ireland, marks a notable peak in precipitation, with 90 mm (3.5 in) of rainfall recorded over 15 days. This reflects a slight increase compared to November's 88 mm and suggests the onset of winter brings more persistent rain to the region. As the year comes to a close, the trend of increasing precipitation from earlier months continues, with only August surpassing December's totals. The average number of rainy days in December also remains high, contributing to the wettest season. This consistent moisture reinforces the lush greenery that Ireland is renowned for, while also indicating that residents should be prepared for a winter filled with rain.

December Precipitation Trends in Straffan

The chart displays monthly precipitation patterns in Straffan, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec557981517273789468828890
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Straffan

In December, Straffan, Ireland experiences a slight dip in humidity, averaging 84%, which is a refreshing change as the year comes to a close. This month’s humidity is notably lower than the peak of 87% observed in October, as well as the consistent levels around 86% seen in the preceding months of November and September. Despite this decrease, the overall trend shows that Straffan maintains a relatively high humidity throughout the year, with averages oscillating between 83% and 87%. Such consistent moisture in the atmosphere contributes to the area's lush landscapes and unique charm, making December an enchanting time to experience Ireland's winter wonderland.

December Average Humidity in Straffan

This chart illustrates the average monthly humidity levels in Straffan, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Straffan

In December, Straffan, Ireland, experiences a low UV Index of 1, mirroring the winter months that bring shorter days and less intense sunlight. With a burn time of 45 minutes, residents and visitors can feel safe enjoying outdoor activities, though the sun’s rays are less likely to cause skin damage during this time. Throughout the year, the UV Index fluctuates, reaching highs of 8 in the peak summer months of June and July, where exposure becomes more critical in just 15 minutes. This seasonal variation underscores the importance of staying informed about UV levels year-round. For more on this topic, check out the Straffan UV Index for detailed insights.

Maximum UV Index Levels in Straffan for December

The chart shows the monthly maximum UV Index (UVI) for Straffan in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Straffan December UVI data generated using information from the Copernicus Climate Change Service.

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.

December Sunshine in Straffan

In Straffan, Ireland, December is defined by a gentle retreat of daylight, with only 95 hours of sunshine, a notable dip from the vibrant days of summer and early autumn. The year begins with a modest 83 hours in January, gradually rising through the spring months, culminating in an impressive 391 hours of sun in May. As summer peaks, the sunshine remains abundant, fluctuating around 385 hours in both June and July, before beginning a slow descent in August. The trend continues into the fall, where September still boasts 294 hours, showcasing a rich tapestry of light throughout the year. However, as the calendar turns towards winter, the diminishing daylight serves as a reminder of the cycle of seasons, with December's subdued sunshine offering a tranquil beauty to the landscape, inviting moments of reflection amidst the brisk Irish air.

Monthly Sunshine Duration in Straffan: December Highlighted

The December sunshine duration represents the total number of hours Straffan experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec83h147h191h311h391h385h385h339h294h230h120h95h
Data source: Straffan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Straffan During December

In Straffan, Ireland, the likelihood of sunny weather in December stands at 22%, reflecting a trend of moderate sunshine as the year draws to a close. This percentage, while slightly above the gloomier months of October and November, still lags behind the more optimistic springtime months of April and May, where chances of sun soar to 43% and 31% respectively. As winter approaches, residents can expect fewer sunny days compared to the vibrant month of April, but December does offer a glimmer of hope in the form of occasional sunny spells, contrasting with the typically overcast conditions that define the Irish winter. Overall, while December's weather may not be the sunniest of the year, it still provides a subtle invitation to embrace the fleeting moments of brightness amidst the seasonal chill.

Percentage of Sunny Days in December in Straffan

The chart illustrates the percentage of sunny days in Straffan throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Straffan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%21%21%43%31%22%29%24%19%18%25%22%
Data source: Straffan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Straffan in December

In Straffan, Ireland, December marks a significant dip in daylight hours, with just 7 hours of light—a stark contrast to the sunlit abundance of June and July, which bask in 16 hours each. As the year progresses from the longer days of summer to the shorter light of winter, it's evident that daylight gradually wanes after May, where a peak of 15 hours is reached. The trend showcases nature's rhythm, with daylight steadily decreasing from 14 hours in April until the depths of winter, ultimately resting at a mere fraction of that in December. Yet, this seasonal shift invites a cozy atmosphere that many cherish, creating a unique charm as the year draws to a close.

Average Daylight Hours in Straffan for December

The chart illustrates the variation in daylight duration in Straffan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 8m9h 50m11h 54m14h 1m15h 53m16h 52m16h 21m14h 39m12h 37m10h 30m8h 36m7h 35m
Data source: Straffan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Straffan

In December, the winds in Straffan, Ireland, pick up to an average speed of 4.3 m/s (10 mph), matching the gusts of October, signaling a noticeable shift as the year draws to a close. Notably, December’s winds are a part of a resilient trend, with wind speeds generally fluctuating between 2.6 m/s (6 mph) in July and 5.4 m/s (12 mph) in February. As the colder months unfold, an upward momentum emerges after the summer lull, creating a breezy atmosphere that heralds the heart of winter. This late autumn wind can invigorate the landscape, setting the stage for the tranquil beauty of the season ahead.

Average December Wind Speed in Straffan

The chart displays monthly wind speed patterns in Straffan, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.95.44.33.13.63.42.63.33.14.34.14.3 m/s
Data source: Straffan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Straffan Compares to Other Months

The weather in Straffan changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Straffan and find detailed weather information for every month.

December and January showcase similar weather patterns, although January tends to be slightly colder. In December, the temperature ranges from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), with an average of 6°C (43°F). January, on the other hand, experiences a minimum of -5°C (24°F) and an average of 5°C (42°F), while maintaining the same maximum of 13°C (56°F). Precipitation levels are notably higher in December, with 90 mm (3.5 in) over 15 days, compared to January's 55 mm (2.2 in) over 10 days. Humidity remains fairly consistent, with December at 84% and January slightly higher at 85%. For specific insights about the weather in January, you can visit Straffan weather in January.

December and February share similar average temperatures, with December ranging from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), while February sees slightly higher maximums, reaching up to 16°C (60°F). Both months experience frequent precipitation, with December receiving 90 mm (3.5 in) across 15 days and February slightly less at 79 mm (3.1 in) over the same number of days. Humidity levels are similar as well, remaining high at 84% in December and increasing marginally to 86% in February. For more detailed information on February's weather, you can visit Straffan weather in February.

In December, temperatures range from a chilly -4°C (25°F) to a mild 13°C (56°F), with an average of 6°C (43°F). This month sees about 90 mm (3.5 in) of precipitation over 15 days and high humidity levels of 84%. In contrast, March displays slightly cooler minimum temperatures at -6°C (22°F) but can reach a warmer maximum of 17°C (63°F) with an average of 7°C (44°F). Precipitation is slightly lower at 81 mm (3.2 in) spread across 16 days, and humidity is marginally higher at 86%. For a detailed look at the weather in March, you can check out Straffan weather in March.

December and April showcase contrasting weather patterns. In December, temperatures range from a chilly -4°C (25°F) to a mild 13°C (56°F) with an average of 6°C (43°F), while April sees a broader range, with lows around -3°C (27°F) and highs climbing to 21°C (69°F), averaging at 8°C (47°F). Precipitation is more frequent in December, totaling 90 mm (3.5 in) over 15 days compared to April's 51 mm (2.0 in) over 11 days. Both months maintain high humidity levels, with December at 84% and April slightly higher at 85%. For more detailed weather insights, check out Straffan weather in April.

In comparing the weather between December and May, a noticeable shift in temperature and conditions is evident. December typically sees colder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), with an average of 6°C (43°F). This month also experiences significant precipitation, totaling 90 mm (3.5 in) over approximately 15 days, accompanied by high humidity levels of 84%.

In contrast, May offers a much milder climate, with temperatures beginning to rise, showcasing a minimum of -1°C (30°F), an average of 11°C (53°F), and a peak of 23°C (74°F). Precipitation decreases slightly to 72 mm (2.8 in) over about 13 days, while humidity remains relatively stable at 83%.

For more detailed information about the weather in May, you can visit Straffan weather in May.

December and June present contrasting weather patterns. In December, temperatures can drop as low as -4°C (25°F), with an average of 6°C (43°F) and a maximum of 13°C (56°F). The month is characterized by higher precipitation, totaling 90 mm (3.5 in) over about 15 days, and a humidity level of 84%. In contrast, June offers milder conditions, with a minimum temperature of 5°C (41°F), an average of 14°C (58°F), and a maximum reaching 27°C (80°F). With an overall lower precipitation of 73 mm (2.9 in) spread across 14 days and a slightly higher humidity of 85%, June certainly embodies a more pleasant and inviting climate. For more details, you can check the Straffan weather in June.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 13°C (56°F), while July enjoys much milder temperatures, with lows of 7°C (44°F) and highs reaching 27°C (81°F). December brings more precipitation, averaging 90 mm (3.5 in) over approximately 15 days, compared to July's 77 mm (3.0 in) across 13 days. Both months exhibit high humidity levels, but December's average of 84% slightly edges out July's 86%. For those specifically interested in July's climate, detailed information can be found here: Straffan weather in July.

In December, temperatures significantly drop, with averages around 6°C (43°F) and lows reaching as low as -4°C (25°F), while August enjoys milder conditions with an average temperature of 15°C (60°F) and a maximum of 24°C (75°F). Both months experience a similar amount of precipitation, with December receiving 90 mm (3.5 in) and August slightly higher at 94 mm (3.7 in), but August sees more days of rainfall, totaling 17 compared to December's 15 days. Humidity remains relatively high in both months, with December at 84% and August at 85%, creating a moist atmosphere year-round. For more detailed information, check out Straffan weather in August.

The weather in December presents a stark contrast to that of September, with December characterized by colder temperatures and higher humidity. While September enjoys milder conditions with average highs reaching 24°C (76°F), December rests at a much cooler average of 6°C (43°F), with maximum temperatures only reaching 13°C (56°F). Additionally, December experiences more precipitation, with 90 mm (3.5 in) falling over 15 days, compared to September’s 68 mm (2.7 in) over 13 days. The humidity levels are quite similar, with December at 84% and September slightly higher at 86%. For more detailed information on September's weather, you can follow this link: Straffan weather in September.

In December, the weather is noticeably colder than in October, with average temperatures ranging from a chilly -4°C (25°F) at night to a mild 13°C (56°F) during the day. In contrast, October experiences a milder climate, with temperatures spanning from a minimum of 0°C (32°F) to a maximum of 19°C (67°F). Both months see a fair amount of precipitation, with December accumulating 90 mm (3.5 in) over approximately 15 days, while October records slightly less at 82 mm (3.2 in) over 13 days. Humidity levels are quite similar, hovering around 84% in December and 87% in October, adding to the overall cool and damp feel of the season. For more detailed insights into October's climate, you can visit Straffan weather in October.

In comparing the weather of December and November, December tends to be a bit colder and more humid. December's average temperature dips to 6°C (43°F) with a minimum of -4°C (25°F), while November is slightly milder, averaging 7°C (46°F) with a minimum of -1°C (30°F). Both months experience similar precipitation levels, with December recording 90 mm (3.5 in) over 15 days and November logging 88 mm (3.5 in) across 14 days. Humidity remains high in both months, peaking at 84% in December compared to 86% in November. For a detailed look at November's weather, visit Straffan weather in November.

Compare Straffan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Straffan

December in Straffan presents a stark contrast to the milder months, as the temperature often drops close to freezing, resulting in a chill that permeates the air. With maximum temperatures reaching just 13°C and frequent lows around -4°C, the month brings a noticeable bite, making it one of the coldest periods of the year. Coupled with nearly 90 mm of precipitation over about half the month, the frequent rainfall and high humidity at 84% contribute to a damp atmosphere. This distinctive weather invites cozy indoor activities while also showcasing the serene beauty of the winter landscape. For a deeper look into how these conditions shape life in Straffan, explore the full details at Straffan Climate.