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March Weather in Shannon, United States

Last updated: June 24, 2025

In March, the average temperature in Shannon, United States hovers around 13°C (56°F), with a range that can swing from a chilly -5°C (24°F) to a balmy 30°C (86°F). During this month, expect about 142 mm (5.6 in) of precipitation spread over 13 days, contributing to an overall average humidity of 85%. Pack accordingly to stay comfortable through the season!

March Temperature in Shannon

In March in Shannon, the average temperature is 13°C (56°F). Maximum temperatures can reach 30°C (86°F), while minimums can drop to as low as -5°C (24°F). Expect a wide range of temperatures, so be sure to pack accordingly for your travels.

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

The chart illustrates March 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, March typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec455056627177807975665248
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.

March Precipitation in Shannon

In Shannon in March, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

March Precipitation Trends in Shannon

The chart displays monthly precipitation patterns in Shannon, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Shannon, March typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111671421329511911213610512785134
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Shannon

In Shannon in March humidity is 85%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that wraps around you, making outdoor activities feel heavier and less enjoyable, as layers of clothing cling to the skin and breath becomes visible in the moist air.

March Average Humidity in Shannon

This chart illustrates the average monthly humidity levels in Shannon, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Shannon is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Shannon

In Shannon in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Shannon.

Maximum UV Index Levels in Shannon for March

The chart shows the monthly maximum UV Index (UVI) for Shannon in March, 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 March, the maximum UV index in Shannon typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
Data source: Shannon March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)111 mm (4.4 inches)87%moderate
February Weather10°C (51°F)167 mm (6.6 inches)87%high
March Weather13°C (56°F)142 mm (5.6 inches)85%very high
April Weather17°C (62°F)132 mm (5.2 inches)82%very high
May Weather22°C (72°F)95 mm (3.8 inches)83%extreme
June Weather25°C (77°F)119 mm (4.7 inches)82%extreme
July Weather27°C (80°F)112 mm (4.4 inches)78%extreme
August Weather26°C (79°F)136 mm (5.3 inches)67%extreme
September Weather24°C (75°F)105 mm (4.1 inches)64%very high
October Weather19°C (66°F)127 mm (5.0 inches)74%high
November Weather11°C (52°F)85 mm (3.3 inches)87%high
December Weather9°C (48°F)134 mm (5.3 inches)88%moderate

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