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Boston

Massachusetts, United States · now 10°, overcast

May 2013

Average
20° / 9°
Warmest
May 31, 32°
Coldest
May 5, 3°
Rain
82.4 mm
Wet days
13 days (≥ 1 mm)
Against normal
1° warmer than normal
Day's low to highNormal: 2003–2012 averageRain
  1. Wed 16°18°+1°
  2. Thu 20.3 mm6°22°+5°
  3. Fri 36°13°−4°
  4. Sat 46°13°−4°
  5. Sun 53°14°−3°
  6. Mon 65°19°+2°
  7. Tue 77°23°+5°
  8. Wed 84.0 mm11°20°+3°
  9. Thu 92.6 mm13°20°+2°
  10. Fri 100.4 mm13°24°+6°
  11. Sat 116.9 mm14°22°+5°
  12. Sun 124.4 mm11°20°+3°
  13. Mon 137°15°−3°
  14. Tue 145°14°−4°
  15. Wed 151.0 mm5°18°±0°
  16. Thu 1611°26°+8°
  17. Fri 1711°19°+1°
  18. Sat 188°20°+1°
  19. Sun 194.2 mm10°21°+3°
  20. Mon 203.6 mm12°26°+8°
  21. Tue 214.1 mm12°29°+10°
  22. Wed 220.3 mm11°20°±0°
  23. Thu 233.7 mm14°24°+4°
  24. Fri 2427.7 mm11°19°−1°
  25. Sat 258.0 mm5°11°−9°
  26. Sun 261.4 mm5°13°−8°
  27. Mon 277°20°−1°
  28. Tue 289°21°−1°
  29. Wed 299.8 mm13°21°−1°
  30. Thu 3018°29°+7°
  31. Fri 3119°32°+10°

21 May in past years, 2004–2013

  1. 2013 Tue4.1 mm12°29°
  2. 2012 Mon2.5 mm13°20°
  3. 2011 Sat10°20°
  4. 2010 Fri12°20°
  5. 2009 Thu14°30°
  6. 2008 Wed6°19°
  7. 2007 Mon8°16°
  8. 2006 Sun4.9 mm7°19°
  9. 2005 Sat5.7 mm7°12°
  10. 2004 Fri0.1 mm12°26°

· Weather data by ECMWF (CC BY 4.0) via Open-Meteo · Historical weather: ERA5, Copernicus Climate Change Service, via Open-Meteo