Last updated: March 17, 2025
In January, Shannon, Ireland experiences a diverse range of weather conditions. With maximum temperatures reaching up to 14°C (58°F) and dipping to a chilly -5°C (24°F), the month showcases a notable average temperature of 6°C (43°F). Rain is quite common, with 75 mm (3.0 in) of precipitation falling over approximately 13 days, contributing to the high humidity level of 88%. This blend of cool temperatures and moisture creates a unique winter atmosphere, perfect for those who appreciate the vibrant, rugged charm of Irish weather.
In January, Shannon, Ireland experiences a chilly start to the year, with minimum temperatures dipping to a brisk -5°C (24°F). As the month progresses, the average temperature hovers around 6°C (43°F), while daytime highs can reach a mild 14°C (58°F). This trend of mild averages amidst colder nights lays the groundwork for a gradual warming as winter transitions into spring. By February, the temperatures show a slight upward shift, continuing this trend into March and April, where the maximums rise, reflecting the encroaching warmth. The fluctuation in temperature illustrates the dynamic climate of Shannon, where colder nights contrast with surprisingly moderate daytime warmth, setting the stage for the milder months ahead.
In Shannon, Ireland, January ushers in a wet start to the year, with precipitation measuring 75 mm (3.0 in) over 13 days. This sets the tone for the month, which typically sees variable weather before the onslaught of heavier rains in February, where totals leap to 121 mm (4.8 in) on 18 days. Interestingly, as spring approaches, March remains substantial at 105 mm (4.1 in) but with slightly fewer rainy days. The trend continues, showing a gradual decrease in January precipitation amount compared to the subsequent months, suggesting a shift towards drier conditions ahead. Overall, January provides a snapshot of Shannon's characteristic dampness, while hinting at the wetter months that follow as the seasons evolve.
In January, Shannon, Ireland, experiences a notable humidity level of 88%, setting the tone for a consistently moist winter. This humidity remains unchanged in February, indicating a persistent dampness that characterizes the season. As the year progresses into March and April, we observe a slight reduction, with humidity levels dipping to 87% and 86% respectively, signaling the gradual shift towards spring. However, the trend reverses, as the warmer months from May to August bring a slight decrease, stabilizing around 83% to 85%. The arrival of autumn sees a resurgence in humidity, peaking again to 88% in September and escalating to 92% by November. This cyclical pattern highlights Shannon's maritime climate, where high humidity is a constant companion throughout the year, particularly during the cooler months.
In January, Shannon, Ireland experiences a low UV Index of 1, indicating minimal sun exposure risk with a burn time of approximately 45 minutes. This pattern of low UV levels persists into February, maintaining the same index and burn time. As we transition into March, the index rises to 4, marking the onset of moderate UV exposure, which reduces burn time to 30 minutes. By April, the UV Index reaches 5, continuing the trend of moderate exposure. The UV levels peak in the summer months, with June and July seeing a striking 8, classified as very high, resulting in a sharply reduced burn time of just 15 minutes. This signifies a notable shift, as exposure risk dramatically escalates. August witnesses a slight drop to a 7, followed by a gradual decline until December, where the UV Index returns to a low of 1. Overall, the UV exposure in Shannon showcases a clear seasonal trend, highlighting the importance of sun safety as the year progresses. For more details on the UV Index throughout the year, visit Shannon UV Index.
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In Shannon, Ireland, January marks the beginning of the year with a modest 77 hours of sunshine, laying the groundwork for a gradual increase as the seasons shift. By February, the sun shines 131 hours, hinting at the brighter days to come. As spring approaches, March sees a significant leap to 179 hours, and April dazzles with an impressive 292 hours. The sun continues to shine into the summer months, peaking in May at 382 hours before slightly tapering off in June and July, with 367 and 373 hours, respectively. The warmth lingers into August but gives way to the cooler, cloudier days of autumn, as sunlight drops to 323 hours. By November and December, the days grow shorter, wrapping up the year with 118 and 95 hours of sunshine, respectively. This trend highlights a clear seasonal rhythm, where sunshine builds through spring and summer before gently receding in the colder months.
In Shannon, Ireland, January boasts a 29% chance of sunny weather, making it one of the brighter months in the winter season, despite the chill. Interestingly, this likelihood is notably higher than several subsequent months, such as February (21%) and March (17%), suggesting that the early month often enjoys slightly more favorable weather conditions. However, as spring approaches, the likelihood of sunshine increases significantly, with April jumping to 45%. This upward trend continues into May (30%), indicating that while January might offer more sun than its immediate neighbors, it ultimately paves the way for a sunnier spring. Overall, January serves as a transitional month, hinting at the sunnier days to come as the year progresses.
In Shannon, Ireland, January kicks off the year with a modest 8 hours of daylight, setting the stage for gradual change as the seasons shift. As February rolls in, the days lengthen to 9 hours, hinting at the impending arrival of spring. March sees a noticeable increase, offering 11 hours of daylight and signaling a transition towards brighter days. This trend continues through April, reaching 13 hours, and peaks in June and July with a delightful 16 hours of daylight, perfect for enjoying the lush summer landscapes. However, as autumn descends, daylight begins to dwindle once more; August offers 14 hours, followed by a decline to 10 hours in October and returning to 8 hours by November. Finally, December presents the shortest days of the year with just 7 hours of daylight, creating a cycle that beautifully encapsulates the rhythm of nature in this captivating region.
In Shannon, Ireland, January ushers in the year with a gentle breeze, averaging 3.6 m/s (8 mph) in wind speed. This month features one of the lower wind velocities compared to the subsequent months, with February showcasing a noticeable increase to 5.1 m/s (12 mph). The winds then fluctuate throughout the spring, with March and April presenting moderate conditions before calming again in July with a lull at 2.6 m/s (6 mph). As autumn approaches, wind speeds begin to pick up again, highlighting a seasonal pattern where January’s serene spirits shift towards more vigorous winds in the following months. By year’s end, December sees a resurgence, reaching 4.3 m/s (10 mph), marking a dynamic rhythm of breezy beginnings and invigorating gusts throughout the seasons.
The weather in Shannon changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Shannon and find detailed weather information for every month.
January and February showcase similar average temperatures, hovering around 6°C (43°F), but February experiences slightly warmer extremes with a maximum of 15°C (60°F) compared to January's 14°C (58°F). Both months have high humidity levels at 88%, but February sees increased precipitation, totaling 121 mm (4.8 in) over 18 days, making it wetter than January, which has 75 mm (3.0 in) of rainfall over 13 days. For more detailed insights, you can check Shannon weather in February.
January and March exhibit notable differences in weather conditions, albeit both remaining relatively cool. In January, temperatures fluctuate from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), with an average of around 6°C (43°F). This month sees about 75 mm (3.0 in) of precipitation over 13 days, accompanied by high humidity levels of 88%. In contrast, March offers a slightly milder climate, with temperatures ranging from -6°C (21°F) to 17°C (63°F) and an average of 7°C (45°F). However, it brings increased precipitation, totaling 105 mm (4.1 in) over 17 days, while humidity remains comparable at 87%. For more detailed insights into the weather trends in March, you can refer to Shannon weather in March.
January weather is characterized by a chillier climate, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), and an average temperature of 6°C (43°F). The month sees significant precipitation, totaling 75 mm (3.0 in) over approximately 13 days, and high humidity levels at 88%. In contrast, April experiences a gentler climate, with temperatures ranging from a minimum of -2°C (28°F) to a warmer maximum of 21°C (70°F), resulting in an average temperature of 9°C (48°F). Rainfall is reduced to 58 mm (2.3 in) over about 12 days, accompanied by slightly lower humidity at 86%. For more details on the conditions you can expect in April, visit Shannon weather in April.
In January, temperatures are quite chilly, with a minimum of -5°C (24°F), an average of 6°C (43°F), and a maximum of 14°C (58°F). The month is characterized by significant precipitation, totaling 75 mm (3.0 in) over about 13 days, along with high humidity at 88%. In contrast, May brings much warmer conditions, featuring a minimum temperature of 0°C (32°F), an average of 12°C (53°F), and a pleasant maximum of 25°C (77°F). Although precipitation is slightly lower at 72 mm (2.8 in) across the same number of days, humidity decreases to 83%. For more details on the climate during this month, you can check Shannon weather in May.
In January, the weather is considerably colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and an average of just 6°C (43°F). The month sees a high level of humidity at 88% and experiences 75 mm (3.0 in) of precipitation over 13 days. In contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 5°C (42°F) to a pleasant maximum of 30°C (86°F), averaging 14°C (58°F). Though June experiences slightly less precipitation at 71 mm (2.8 in) over 15 days, the humidity is slightly lower at 83%. For more details on weather conditions in June, you can check Shannon weather in June.
January and July present quite contrasting weather conditions. In January, temperatures range from a chilly minimum of -5°C (24°F) to a mild maximum of 14°C (58°F), averaging around 6°C (43°F). The month experiences about 75 mm (3.0 in) of precipitation over 13 days, coupled with a high humidity of 88%. In stark contrast, July sees more comfortable temperatures, with a minimum of 7°C (44°F), an average of 16°C (61°F), and a warm maximum of 29°C (84°F). Precipitation remains similar, at 79 mm (3.1 in) across the same number of days, but the humidity drops slightly to 85%. For a closer look at what to expect during this summer month, visit Shannon weather in July.
In January, temperatures range from a chilly -5°C (24°F) at night to a mild 14°C (58°F) during the day, with an average of 6°C (43°F). The month experiences considerable precipitation of 75 mm (3.0 in) over 13 days, and the humidity remains quite high at 88%. In contrast, August offers significantly warmer temperatures, with nighttime lows of 6°C (43°F) and daytime highs reaching 24°C (76°F), averaging 15°C (59°F). The summer month also sees an increase in precipitation to 126 mm (5.0 in) spread over 19 days, but the humidity is slightly lower at 85%. For more detailed information, check out Shannon weather in August.
In January, the weather is characterized by colder temperatures, ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), with an average of around 6°C (43°F). This month also sees significant precipitation, totaling 75 mm (3.0 in) over about 13 days, while the humidity remains high at 88%. In contrast, September experiences milder temperatures, with minimums of 1°C (35°F) and maximums reaching 26°C (80°F), resulting in an average of 13°C (56°F). While September has slightly higher precipitation at 91 mm (3.6 in) spread over 16 days, the humidity stays consistent at 88%. For a detailed overview of the weather in September, you can refer to Shannon weather in September.
In January, the weather is notably colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), while October sees milder temperatures with a minimum of 0°C (32°F) and a maximum of 19°C (67°F). Precipitation is also higher in October, totaling 106 mm (4.2 in) over 16 days compared to January's 75 mm (3.0 in) across 13 days. Humidity levels are quite similar, with January at 88% and October slightly higher at 91%. For a detailed look at October weather patterns, you can check Shannon weather in October.
When comparing the weather in January and November, January tends to be colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and an average of 6°C (43°F). In contrast, November offers milder conditions, with temperatures ranging from -2°C (28°F) to a maximum of 16°C (61°F) and an average of 8°C (46°F). Precipitation is also more frequent in November, with 98 mm (3.8 in) over 16 days, compared to 75 mm (3.0 in) over 13 days in January. Both months exhibit high humidity, with November at 92% and January slightly lower at 88%. For more details on November weather, check out Shannon weather in November.
January tends to be slightly cooler than December, with average temperatures ranging from -5°C (24°F) to 14°C (58°F), compared to December's temperatures of -3°C (27°F) to 14°C (57°F). While both months experience a similar maximum temperature, January has a lower average minimum temperature. Precipitation is also notably less in January, with 75 mm (3.0 in) falling over 13 days, compared to December’s higher 123 mm (4.8 in) over 18 days. The humidity remains fairly consistent between the two months, with January at 88% and December at 89%. For more details on December weather, see Shannon weather in December.
January in Shannon stands out as a month characterized by its cool temperatures and higher humidity levels, presenting a stark contrast to the milder and often sunnier months that follow. With an average temperature lingering around 6°C, the chill is palpable, especially with minimums dipping to -5°C. Rain is frequent, with precipitation occurring on about half of the days, contributing to the month's overall damp feeling. If you’re looking for a glimpse into how January shapes the climate narrative of Shannon, explore more at Shannon Climate, where you can uncover the unique aspects of this vibrant Irish locale throughout the year.