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Belfast, Northern Ireland Climate & Temperature

  • Belfast, Northern Ireland, Uk is at 54°38'N, 6°13'W, 80 m (262 ft). See map.
  • Belfast, Northern Ireland 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 Belfast, Northern Ireland is situated in or near the cool temperate moist forest biome.
  • The average temperature is 9.1 degrees Celsius (48.4 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 10.5 °C (18.9°F). This indicates that the continentality type is hyperoceanic, subtype barely hyperoceanic. Belfast, Northern Ireland Climate Graph
  • In the winter time records indicate temperatures by day reach 6.7°C (44°F) on average falling to 2.3°C (36.2°F) overnight.
  • In spring time temperatures climb reaching 12°C (53.6°F) generally in the afternoon with overnight lows of 4.3°C (39.8°F).
  • During summer average high temperatures are 18°C (64.4°F) and average low temperatures are 10.3°C (50.6°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 12.7°C (54.8°F) during the day and lows of 6.7°C (44°F) generally shortly after sunrise.
  • Total annual Precipitation averages 846 mm (33.3 inches) which is equivalent to 846 Litres/m² (20.75 Gallons/ft²).
  • On average there are 1285 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 Belfast, Northern Ireland you would pop up nearest to the climate station at Nugget Point, New Zealand (Cool temperate desert scrub biome).

Belfast, Northern Ireland Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 6 (43) 7 (45) 9 (48) 12 (54) 15 (59) 18 (64) 18 (64) 18 (64) 16 (61) 13 (55) 9 (48) 7 (45) 12 (54)
 
Average Temperature °C ( °F) 4 (39) 5 (40) 6 (43) 8 (46) 11 (51) 14 (56) 15 (58) 15 (58) 13 (55) 10 (50) 7 (44) 5 (41) 9 (48)
 
Average Min Temperature °C ( °F) 2 (36) 2 (36) 3 (37) 4 (39) 6 (43) 9 (48) 11 (52) 11 (52) 9 (48) 7 (45) 4 (39) 3 (37) 6 (43)
 
Average Precipitation mm (in) 80 (3) 52 (2) 50 (2) 48 (2) 52 (2) 68 (3) 94 (4) 77 (3) 80 (3) 83 (3) 72 (3) 90 (4) 846 (33)
Number of Wet Days (probability of rain on a day %) 20 (65) 17 (60) 16 (52) 16 (53) 15 (48) 16 (53) 19 (61) 17 (55) 18 (60) 19 (61) 19 (63) 21 (68) 213 (58)
Average Sunlight Hours/ Day 1h 27' 2h 18' 3h 21' 4h 58' 6h 19' 5h 58' 4h 23' 4h 21' 3h 34' 2h 36' 1h 46' 1h 07' 3h 31'
Average Daylight Hours/ Day 7h 54' 9h 37' 11h 46' 14h 03' 16h 04' 17h 10' 16h 40' 14h 53' 12h 40' 10h 23' 8h 23' 7h 20' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 19 (81) 25 (75) 29 (71) 36 (64) 40 (60) 35 (65) 27 (73) 30 (70) 29 (71) 26 (74) 22 (78) 16 (84) 29 (71)
Sun altitude at solar noon on the 21st day (°). 15.5 24.8 35.7 47.3 55.6 58.8 55.8 47.4 36 24.5 15.4 12 35.7

Get Greater Insight into Belfast, Northern Irelands Climate

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