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January Weather in Shannon, United States

Last updated: June 24, 2025

In January, the average temperature in Shannon, United States hovers around -5°C (23°F), with the mercury dropping as low as -32°C (-25°F) and peaking at a brisk 11°C (53°F). Expect 58 mm (2.3 in) of precipitation spread over 8 days, contributing to an average humidity of 85% that keeps the atmosphere quite crisp!

January Temperature in Shannon

In January in Shannon, the average temperature is -5°C (23°F). The maximum can reach 11°C (53°F), while the minimum can drop as low as -32°C (-25°F). Travelers should be prepared for a wide range of temperatures and dress warmly for their visit.

January Weather in Shannon: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Shannon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shannon, January typically has an average temperature of -5°C (23°F), with highs reaching up to 11°C (53°F) and lows dropping to around -32°C (-25°F).
JanFebMarAprMayJunJulAugSepOctNovDec222438476172757266523731
Data source: Temperature data for Shannon generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Shannon

In Shannon in January, the precipitation amount is 58 mm (2.3 in) over a span of 8 days.

January Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Shannon, January typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec58587310014811984931211104650
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Shannon

In Shannon in January, humidity is 85%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that clings to your skin, making even the briefest outdoor excursions feel daunting and uncomfortable.

January Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Shannon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Shannon

In Shannon in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Shannon, you can check the information here.

Maximum UV Index Levels in Shannon for January

The chart shows the monthly maximum UV Index (UVI) for Shannon in January, 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. In January, the maximum UV index in Shannon typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098532
Data source: Shannon January 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.

How January Weather in Shannon Compares to Other Months

Weather in Shannon varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Shannon, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Shannon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)58 mm (2.3 inches)85%moderate
February Weather-4°C (25°F)58 mm (2.3 inches)85%moderate
March Weather3°C (38°F)73 mm (2.9 inches)85%high
April Weather9°C (48°F)100 mm (3.9 inches)85%very high
May Weather16°C (61°F)148 mm (5.8 inches)78%very high
June Weather22°C (72°F)119 mm (4.7 inches)80%very high
July Weather24°C (76°F)84 mm (3.3 inches)78%very high
August Weather22°C (72°F)93 mm (3.7 inches)76%very high
September Weather19°C (67°F)121 mm (4.8 inches)79%very high
October Weather11°C (53°F)110 mm (4.3 inches)83%moderate
November Weather3°C (37°F)46 mm (1.8 inches)88%moderate
December Weather-1°C (31°F)50 mm (2.0 inches)81%low

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