Shannon Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

• Shannon, Ireland latitude & longitude; 52°42'N 8°55'W.
• Altitude; 14 m (46 ft).
• The average temperature in Shannon, Ireland is 10.2 °C (50 °F).
• The range of average monthly temperatures is 11 °C.
• The warmest average max/ high temperature is 20 °C (68 °F) in August.
• The coolest average min/ low temperature is 2 °C (36 °F) in January & February.
• Shannon receives on average 929 mm (36.6 in) of precipitation annually or 77 mm (3.0 in) each month.
• On balance there are 217 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 18 days on an average month.
• The month with the driest weather is April when on balance 53 mm (2.1 in) of rain, sleet, hail or snow falls across 16 days.
• The month with the wettest weather is December when on balance 117 mm (4.6 in) of rain, sleet, hail or snow falls across 24 days.
• Mean relative humidity for an average year is recorded as 86.1% and on a monthly basis it ranges from 79% in May to 91% in January, February & November.
• There is an average range of hours of sunshine in Shannon of between 1.4 hours per day in December and 6.6 hours per day in May.
• On balance there are 1386 sunshine hours annually and approximately 3.8 sunlight hours for each day.
• On balance there are 37 days annually registering frost in Shannon and in January there are on average 9 days with frost.

Shannon Climate Graph (Metric | Imperial units)

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Shannon Weather Averages

Shannon Climograph/ Climate Chart (imperial)

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Shannon Temperatures in Farenheit