November Weather in Portmarnock, Ireland

Last updated: March 17, 2025

In November, Portmarnock, Ireland, experiences a cool maritime climate characterized by a maximum temperature of 15°C (60°F) and an average of 8°C (48°F), dipping to a minimum of -1°C (31°F) during the chilly nights. The month is often wet, with a total precipitation of 93 mm (3.6 in) spread across approximately 14 days, leading to a rather humid atmosphere, averaging 86% humidity. These conditions create a unique blend of brisk air and drizzly days, perfect for experiencing the coastal beauty of this charming village.

November Temperature in Portmarnock

As November settles over Portmarnock, Ireland, it marks a noticeable shift in temperatures, ushering in the chill of late autumn. With a minimum dipping to -1°C (31°F) and an average hovering around 8°C (48°F), the month feels distinctly cooler compared to October's milder conditions. The maximum temperature reaches a comfortable 15°C (60°F), allowing for occasional crisp, sunny days that charm locals and visitors alike. This seasonal transition is evident as the coastline begins to embrace the fresh, invigorating air, making November a time for cozy gatherings and a refreshing connection with nature before winter sets in.

November Weather in Portmarnock: Daily Temperature Highs, Lows, and Averages

The chart illustrates November temperature patterns in Portmarnock, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616157524745
Data source: Temperature data for Portmarnock 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.

November Precipitation in Portmarnock

In November, Portmarnock experiences a significant uptick in precipitation, with 93 mm (3.6 in) of rainfall spread over 14 days. This marks a noticeable increase compared to October's 79 mm (3.1 in), highlighting a transitional period as autumn deepens. November's rainfall is not only substantial but also consistent, resonating with the wetter trend observed in previous months, particularly August, which recorded the highest at 95 mm (3.7 in). The gradual rise in precipitation from early autumn through late fall underscores the region's characteristic dampness, setting the scene for the approaching winter months.

November Precipitation Trends in Portmarnock

The chart displays monthly precipitation patterns in Portmarnock, with values for each month alongside November's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how November's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec537373446269739570799385
Data source: Precipitation data for November generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

November Humidity in Portmarnock

In November, Portmarnock experiences a humidity level of 86%, continuing the trend of elevated moisture that characterizes the late autumn months. Following the slight peak in October at 87%, November's humidity remains consistent with the earlier months of the year, where levels hovered between 85% and 86%. This steady humidity suggests a pattern of mild dampness typical for this coastal region, providing a cool, crisp atmosphere as winter approaches. Overall, the gradual decline into December with a drop to 84% hints at a shift toward drier conditions, but November retains the lingering coolness of fall, making it a crucial transition month in Portmarnock's climatic rhythm.

November Average Humidity in Portmarnock

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

November UV Index in Portmarnock

As the year transitions into November, Portmarnock experiences a noticeable decline in UV radiation, with the UV Index dropping to 2, categorized as low, allowing for a comfortable burn time of 45 minutes. This trend of diminishing UV levels is consistent as we move from the summer’s peak—with levels reaching 8 in June and July—down through the moderate months of September and October. By November, residents and visitors can enjoy outdoor activities with minimal risk of sunburn, reflecting the typical seasonal shift. For more insights and detailed forecasts, visit Portmarnock UV Index.

Maximum UV Index Levels in Portmarnock for November

The chart shows the monthly maximum UV Index (UVI) for Portmarnock in November, 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: Portmarnock November 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.

November Sunshine in Portmarnock

November in Portmarnock, Ireland, is a month of transition as daylight dwindles, illuminating a beautiful shift in the coastal scenery. While the region enjoys a robust 385 hours of sunshine in May, it experiences a notable drop to 114 hours in November. This decline follows a significant tapering off from the summer months of 377 hours in July and 329 hours in August, where sunny days were abundant. By October, sunshine further decreases to 226 hours, setting the stage for an even more subdued November. Yet, this cooler month still offers moments of soft sunlight breaking through clouds, painting the lush landscapes of Portmarnock with a gentle glow before the winter's embrace closes in.

Monthly Sunshine Duration in Portmarnock: November Highlighted

The November sunshine duration represents the total number of hours Portmarnock experiences direct sunlight during the month of November, excluding cloudy or obstructed periods. This chart compares the sunshine duration of November with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec80h145h190h308h385h379h377h329h288h226h114h91h
Data source: Portmarnock November Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portmarnock During November

In Portmarnock, Ireland, the likelihood of sunny weather in November stands at 26%, showing a slight increase from the sunniest months of the summer. This marks a subtle trend when compared to the darker months preceding it, with October seeing a mere 20% chance of sunshine. While the intensity of sunlight is gradually diminishing as winter approaches, November still offers more potential for clear skies than several months earlier in the year, like February and March, which hover around the 21-22% mark. As the autumn chill sets in, this modest chance of sunshine provides a faint glimmer of warmth, making November a transitional month where the fading autumn hues can still bask in the sun's embrace.

Percentage of Sunny Days in November in Portmarnock

The chart illustrates the percentage of sunny days in Portmarnock throughout the year, with November 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 Portmarnock experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%21%22%44%33%23%30%23%21%20%26%23%
Data source: Portmarnock November chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portmarnock in November

As November descends upon Portmarnock, daylight begins to contract, offering a modest eight hours of sunlight, a significant drop from the bright sixteen hours experienced in mid-summer. Following the vibrant June and July months, where days are longest, the trend towards shorter daylight hours becomes evident, with a gradual decrease starting in August. As autumn settles in, each month reveals a steady decline, making November a time for embracing cozy evenings as daylight dwindles. This cyclical rhythm underscores the transition into winter, where December promises even less daylight, reminding residents of the warm glow of homes in the early dusk.

Average Daylight Hours in Portmarnock for November

The chart illustrates the variation in daylight duration in Portmarnock throughout the year, with November highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 5m9h 48m11h 54m14h 3m15h 56m16h 56m16h 24m14h 42m12h 37m10h 29m8h 34m7h 31m
Data source: Portmarnock daylight hours, calculated by summing the hours between sunrise and sunset for each day.

November Winds in Portmarnock

As November arrives in Portmarnock, the wind begins to pick up, averaging 4.9 m/s (11 mph), a gentle increase from the calmer days of summer. This trend reflects a subtle transition, as the wind speeds gradually rise from the annual low of 2.8 m/s (6 mph) in July, culminating in a consistent late-year breeze. The month stands out with its slightly elevated wind speeds compared to the preceding months, hinting at the approaching winter. With December not far behind, which averages 5.0 m/s (11 mph), November heralds a season where the winds weave an exquisite tapestry, invigorating the coastal landscape of Portmarnock with the whisper of change.

Average November Wind Speed in Portmarnock

The chart displays monthly wind speed patterns in Portmarnock, with values for each month shown alongside November's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how November's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.66.04.83.53.93.72.83.63.54.84.9 m/s5.0
Data source: Portmarnock November wind data, generated using information from the Copernicus Climate Change Service.

How November Weather in Portmarnock Compares to Other Months

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

In comparing the weather of November and January, it's clear that both months experience cool temperatures but with some differences. November has a slightly milder average temperature of 8°C (48°F), ranging from a minimum of -1°C (31°F) to a maximum of 15°C (60°F), while January averages a low of -3°C (27°F) and a high of 14°C (58°F). Additionally, November sees more precipitation with 93 mm (3.6 in) over 14 days, compared to January's 53 mm (2.1 in) over just 10 days. Humidity levels are quite similar, approximately 86% in November and 85% in January, contributing to the overall dampness of the winter months. For a detailed look at January's weather, you can refer to Portmarnock weather in January.

November and February share similar temperature ranges, with February exhibiting slightly cooler conditions, particularly at night. November experiences a minimum temperature of -1°C (31°F) and an average of 8°C (48°F), while February sees a minimum of -2°C (29°F) with a similar average of 7°C (44°F). Both months have a maximum temperature of 15°C (60°F). However, November tends to be wetter, receiving 93 mm (3.6 in) of precipitation compared to February's 73 mm (2.9 in), although both months have precipitation on approximately 14 days. The humidity remains consistently high at 86% in both months. For those interested in more specific weather details, you can visit Portmarnock weather in February.

In comparing the weather of November and March, both months exhibit relatively mild temperatures and similar precipitation patterns. November typically sees average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 15°C (60°F), while March has slightly cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 16°C (62°F). Despite these variations, both months experience approximately 14 days of precipitation, although November receives more rainfall overall, totaling about 93 mm (3.6 in) compared to March's 73 mm (2.9 in). Humidity levels remain consistent at 86% for both months, contributing to a generally damp atmosphere. For more detailed information about March conditions, you can check Portmarnock weather in March.

When comparing November and April, both months share a similar minimum temperature of -1°C (31°F), but April tends to be slightly warmer overall, with an average temperature of 9°C (48°F) compared to November's average of 8°C (48°F). The maximum temperatures also reflect this trend, with April reaching up to 19°C (67°F) while November peaks at 15°C (60°F). In terms of precipitation, November is notably wetter, with 93 mm (3.6 in) over 14 days, whereas April sees significantly less rain, totaling 44 mm (1.7 in) over 11 days. Humidity levels are fairly comparable, with November at 86% and April at 85%. For more detailed insights, you can explore the Portmarnock weather in April.

November and May present contrasting weather patterns. In November, temperatures range from a chilly -1°C (31°F) at night to a mild 15°C (60°F) during the day, with an average of 8°C (48°F). The month experiences significant precipitation, totaling 93 mm (3.6 in) over 14 days and comes with high humidity at 86%. On the other hand, May enjoys a more temperate climate, with nighttime lows of 1°C (34°F) and daytime highs reaching up to 22°C (72°F), averaging 12°C (53°F). Rainfall is lighter in May, averaging 62 mm (2.4 in) across 12 days, coupled with slightly lower humidity at 83%. This shift from the colder, wet conditions of November to the warmer, drier climate of May makes the latter a more appealing time for outdoor activities. For those interested in specific weather conditions during this transition, detailed insights can be found at Portmarnock weather in May.

November and June present quite contrasting weather conditions. In November, the temperatures range from a chilly -1°C (31°F) at night to a mild 15°C (60°F) during the day, with an average of around 8°C (48°F). The month experiences significant precipitation, totaling 93 mm (3.6 in) over 14 days, and humidity levels are relatively high at 86%. In contrast, June enjoys much warmer temperatures, with a minimum of 7°C (44°F) and a maximum reaching 25°C (77°F), averaging about 15°C (58°F). Precipitation is lower in June at 69 mm (2.7 in) spread over 13 days, and the humidity is slightly less at 85%. For more details on June weather, you can check Portmarnock weather in June.

When comparing the weather in November to that of July, it's clear that the two months present quite different climates. November experiences much cooler temperatures, with averages around 8°C (48°F) and maximums reaching only 15°C (60°F), while July boasts much warmer averages of 16°C (62°F) and heights of 27°C (80°F). Additionally, November sees more precipitation, with 93 mm (3.6 in) falling over 14 days, compared to July's 73 mm (2.9 in) across 12 days. Despite similar humidity levels of 86% in both months, November's chill and increased rainfall create a stark contrast to the typically sunnier and warmer July days, where conditions are generally more favorable for outdoor activities. For more details, you can check Portmarnock weather in July.

When comparing the weather in November and August, there are some notable differences. November experiences cooler temperatures, with a minimum of -1°C (31°F) and an average of 8°C (48°F), while August offers more warmth, with a minimum of 8°C (47°F) and an average of 16°C (61°F). The maximum temperatures in November peak at 15°C (60°F), which is significantly lower than August's maximum of 23°C (74°F). Both months have similar precipitation levels, with November receiving 93 mm (3.6 in) over 14 days and August slightly higher at 95 mm (3.7 in) over 16 days. Humidity levels are quite close too, with November at 86% and August at 85%. For more details about the weather in August, you can check Portmarnock weather in August.

In comparing the weather of November and September, we can see a significant shift in temperature. November experiences a minimum temperature of -1°C (31°F) and an average of 8°C (48°F), which is notably colder than September's minimum of 4°C (39°F) and average of 14°C (57°F). Additionally, September enjoys warmer maximum temperatures, peaking at 22°C (72°F), whereas November's maximum reaches only 15°C (60°F). While both months have high humidity levels at 86%, November typically sees more precipitation, with an average of 93 mm (3.6 in) over 14 days compared to September's 70 mm (2.7 in) over 13 days. For more details about the specific weather patterns in September, you can visit Portmarnock weather in September.

November generally experiences cooler temperatures compared to October, with average highs dropping from 19°C (67°F) in October to just 15°C (60°F) in November. While October has a minimum temperature of 2°C (36°F), November sees a slight decline, reaching as low as -1°C (31°F). Precipitation increases a bit in November, with 93 mm (3.6 in) over 14 days, compared to 79 mm (3.1 in) over 13 days in October. Humidity levels remain relatively high in both months, hovering around 86% in November and 87% in October. For more detailed information, you can check Portmarnock weather in October.

November and December present a similar climate, with both months characterized by cool temperatures and considerable humidity. In November, the minimum temperature is slightly higher at -1°C (31°F), averaging around 8°C (48°F) and reaching a maximum of 15°C (60°F). This month also sees a higher average precipitation of 93 mm (3.6 in) over 14 days. In contrast, December experiences slightly lower temperatures, with a minimum of -2°C (30°F) and an average of 7°C (45°F), capped at 13°C (56°F). Precipitation drops slightly to 85 mm (3.4 in), but still spreads across the same number of rainy days. Humidity remains fairly consistent, with November at 86% and December at 84%. For a detailed look at December weather, you can visit Portmarnock weather in December.

Compare Portmarnock's Climate with Cities Worldwide

Conclusion: What to Expect From November Weather in Portmarnock

As November arrives in Portmarnock, the weather shifts significantly, ushering in cooler temperatures and increased moisture. With average highs around 8°C and lows dipping to -1°C, the month stands in stark contrast to the milder autumn conditions that precede it. The humidity climbs to a high 86%, making the air feel brisk and damp, while the 93 mm of rainfall over 14 days can lead to a rather gloomy atmosphere. This transitional month is a reminder of the approaching winter, where cozy indoor activities become more appealing. For a deeper understanding of the climate throughout the year, visit Portmarnock Climate.