Grafton May Weather Averages

Massachusetts, United States of America

May Weather Averages for Grafton

High Temp20°C68°F
Low Temp9°C49°F
Avg Temp14°C58°F
Sunshine Hours179 hours 
Rainfall116.61 mm4.59 In
Rain days8 days 
Pressure1016 mb30 In

 

Grafton May Averages Year by Year

YearHigh TempLow TempAvg TempSunshine HoursRainfallRain daysPressure
200919°C / 66°F10°C / 49°F14°C / 57°F188 hours81.71 mm / 3.22 In12 days1017 mb / 31 In
201022°C / 71°F11°C / 51°F16°C / 61°F256 hours51.89 mm / 2.04 In5 days1015 mb / 30 In
201120°C / 67°F10°C / 50°F14°C / 58°F146 hours108.12 mm / 4.26 In8 days1016 mb / 30 In
201221°C / 70°F11°C / 52°F16°C / 61°F143 hours102.52 mm / 4.04 In13 days1017 mb / 30 In
201321°C / 69°F8°C / 47°F15°C / 58°F215 hours114.86 mm / 4.52 In11 days1018 mb / 31 In
201420°C / 67°F9°C / 48°F14°C / 57°F169 hours87.12 mm / 3.43 In10 days1016 mb / 30 In
201523°C / 74°F11°C / 51°F17°C / 62°F238 hours55.28 mm / 2.18 In5 days1020 mb / 31 In
201619°C / 66°F9°C / 49°F14°C / 57°F148 hours62.10 mm / 2.44 In8 days1015 mb / 30 In
201717°C / 63°F8°C / 47°F13°C / 55°F115 hours139.59 mm / 5.50 In11 days1013 mb / 30 In
201823°C / 73°F11°C / 51°F17°C / 62°F212 hours66.20 mm / 2.61 In7 days1017 mb / 31 In
201919°C / 65°F8°C / 47°F13°C / 56°F165 hours122.63 mm / 4.83 In10 days1015 mb / 30 In
202018°C / 64°F8°C / 46°F13°C / 55°F166 hours90.31 mm / 3.56 In6 days1016 mb / 30 In
202119°C / 66°F9°C / 48°F14°C / 57°F136 hours125.20 mm / 4.93 In7 days1017 mb / 31 In
202222°C / 71°F10°C / 50°F15°C / 60°F200 hours56.83 mm / 2.24 In7 days1018 mb / 31 In
202321°C / 69°F7°C / 45°F14°C / 57°F263 hours134.35 mm / 5.29 In4 days1016 mb / 30 In
202420°C / 68°F10°C / 49°F14°C / 58°F130 hours66.10 mm / 2.60 In3 days1014 mb / 30 In
202517°C / 63°F11°C / 51°F14°C / 56°F76 hours549.55 mm / 21.64 In10 days1014 mb / 30 In
202620°C / 68°F9°C / 48°F14°C / 58°F249 hours84.55 mm / 3.33 In14 days1015 mb / 30 In

Need more than one day of Grafton history?

Download historical weather for Grafton, or any other location, in CSV from January 2009 onwards. Ideal for research, insurance, energy, agriculture and machine-learning projects.

  • Historical weatherDaily and hourly interval data.
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  • Monthly climate averagesLong-term climate normals by month.
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Grafton weather history: common questions

How far back does Grafton 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 Grafton 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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