May Weather Averages for Belfast

High Temp14°C57°F
Low Temp7°C45°F
Avg Temp11°C51°F
Sunshine Hours103 hours 
Rainfall71.04 mm2.80 In
Rain days9 days 
Pressure1016 mb30 In

 

Belfast May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200914°C / 57°F7°C / 45°F11°C / 51°F116 hours88.80 mm / 3.50 In14 days1015 mb / 30 In
201013°C / 56°F7°C / 44°F10°C / 50°F125 hours42.99 mm / 1.69 In6 days1018 mb / 31 In
201113°C / 55°F8°C / 46°F10°C / 51°F88 hours64.88 mm / 2.55 In11 days1013 mb / 30 In
201213°C / 55°F7°C / 44°F10°C / 50°F133 hours57.24 mm / 2.25 In10 days1017 mb / 31 In
201312°C / 54°F6°C / 42°F9°C / 48°F90 hours108.15 mm / 4.26 In10 days1011 mb / 30 In
201414°C / 57°F8°C / 46°F11°C / 52°F28 hours116.80 mm / 4.60 In17 days1013 mb / 30 In
201512°C / 54°F6°C / 43°F9°C / 49°F36 hours106.91 mm / 4.21 In12 days1011 mb / 30 In
201615°C / 58°F7°C / 45°F11°C / 52°F104 hours60.48 mm / 2.38 In11 days1016 mb / 30 In
201716°C / 60°F8°C / 47°F12°C / 54°F155 hours65.84 mm / 2.59 In9 days1015 mb / 30 In
201815°C / 59°F8°C / 46°F12°C / 53°F153 hours46.05 mm / 1.81 In7 days1018 mb / 31 In
201913°C / 55°F7°C / 44°F10°C / 50°F104 hours62.00 mm / 2.44 In11 days1017 mb / 31 In
202014°C / 57°F7°C / 45°F11°C / 51°F136 hours22.23 mm / 0.88 In3 days1021 mb / 31 In
202112°C / 53°F6°C / 42°F9°C / 48°F49 hours102.05 mm / 4.02 In9 days1008 mb / 30 In
202214°C / 58°F8°C / 47°F11°C / 52°F43 hours100.50 mm / 3.96 In12 days1016 mb / 30 In
202315°C / 59°F8°C / 46°F12°C / 53°F107 hours58.80 mm / 2.31 In5 days1024 mb / 31 In
202415°C / 58°F8°C / 46°F11°C / 52°F41 hours47.40 mm / 1.87 In1 days1013 mb / 30 In
202515°C / 59°F6°C / 43°F11°C / 51°F169 hours55.82 mm / 2.20 In3 days1019 mb / 31 In
202614°C / 58°F7°C / 45°F11°C / 52°F177 hours71.73 mm / 2.82 In17 days1016 mb / 30 In

Need more than one day of Belfast history?

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Belfast weather history: common questions

How far back does Belfast weather history go?

Hourly historical weather is available from 1 January 2009. Choose a date above, or pick a month at the top of the page for long-term averages.

Can I download Belfast historical weather as a file?

Yes. Buy historical weather data as daily or hourly CSV, yearly monthly averages or monthly climate averages. A free sample download is available.

Is there an API for historical weather?

Yes. The WeatherAPI.com History API returns hourly weather for any past date from 2010, as JSON or XML. Get a free API key.

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