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Shannon Climate & Temperature

  • Shannon, Ireland is at 52°42'N, 8°55'W, 20 m (66 ft). See map.
  • Shannon has a marine west coast climate that is mild with no dry season, warm summers. Heavy precipitation occurs during mild winters which are dominated by mid-latitude cyclones. Seasonality is moderate (Köppen-Geiger classification: Cfb).
  • According to the Holdridge life zones system of bioclimatic classification Shannon is situated in or near the cool temperate moist forest biome.
  • The annual mean temperature is 10.1 degrees Celsius (50.2 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 10 °C (18°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic. Shannon Climate Graph
  • In the winter time records indicate temperatures by day reach 8.5°C (47.4°F) on average falling to 3°C (37.3°F) overnight.
  • In spring time temperatures climb reaching 12.8°C (55.1°F) generally in the afternoon with overnight lows of 5.2°C (41.4°F).
  • During summer average high temperatures are 18.8°C (65.9°F) and average low temperatures are 11.3°C (52.3°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 13.9°C (57.1°F) during the day and lows of 7.5°C (45.6°F) generally shortly after sunrise.
  • Total annual Precipitation averages 927 mm (36.5 inches) which is equivalent to 927 Litres/m² (22.74 Gallons/ft²).
  • On average there are 1386 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Shannon you would pop up nearest to the climate station at Quarry Hills, New Zealand.

Shannon Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 8 (47) 9 (47) 11 (51) 13 (55) 15 (60) 18 (64) 19 (67) 19 (67) 17 (63) 14 (58) 10 (51) 9 (48) 14 (56)
 
Average Temperature °C ( °F) 6 (42) 6 (42) 7 (45) 9 (48) 11 (52) 14 (57) 16 (60) 15 (60) 14 (56) 11 (52) 8 (46) 7 (44) 10 (50)
 
Average Min Temperature °C ( °F) 3 (37) 3 (37) 4 (38) 5 (41) 7 (45) 10 (50) 12 (54) 12 (53) 10 (50) 8 (46) 5 (40) 4 (38) 7 (44)
 
Average Precipitation mm (in) 98 (4) 71 (3) 71 (3) 56 (2) 60 (2) 63 (2) 57 (2) 82 (3) 82 (3) 93 (4) 95 (4) 99 (4) 927 (36)
Number of Wet Days (probability of rain on a day %) 20 (65) 16 (57) 16 (52) 16 (53) 15 (48) 16 (53) 19 (61) 19 (61) 19 (63) 18 (58) 19 (63) 24 (77) 217 (59)
Average Sunlight Hours/ Day 1h 50' 2h 35' 3h 21' 5h 08' 6h 36' 6h 02' 4h 54' 5h 05' 3h 42' 2h 46' 2h 04' 1h 23' 3h 47'
Average Daylight Hours/ Day 8h 13' 9h 47' 11h 47' 13h 55' 15h 46' 16h 46' 16h 19' 14h 41' 12h 37' 10h 30' 8h 39' 7h 42' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 23 (77) 27 (73) 29 (71) 38 (62) 43 (57) 37 (63) 30 (70) 35 (65) 30 (70) 27 (73) 25 (75) 19 (81) 32 (68)
Sun altitude at solar noon on the 21st day (°). 17.5 26.8 37.6 49.2 57.5 60.7 57.7 49.3 37.9 26.5 17.3 13.9 37.6

Get Greater Insight into Shannons Climate

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