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Boston

Massachusetts, United States · now 9°, overcast

May 2009

Average
19° / 10°
Warmest
May 22, 30°
Coldest
May 19, 6°
Rain
84.5 mm
Wet days
15 days (≥ 1 mm)
Against normal
1° warmer than normal
Day's low to highNormal: 1999–2008 averageRain
  1. Fri 12.7 mm12°20°+3°
  2. Sat 21.3 mm11°19°+2°
  3. Sun 30.9 mm9°16°−1°
  4. Mon 42.5 mm8°17°−1°
  5. Tue 56.9 mm9°11°−7°
  6. Wed 67.1 mm8°17°−1°
  7. Thu 717.8 mm10°20°+1°
  8. Fri 80.1 mm11°22°+4°
  9. Sat 98.3 mm13°21°+3°
  10. Sun 1010°19°±0°
  11. Mon 118°14°−4°
  12. Tue 122.3 mm7°16°−2°
  13. Wed 137°19°+1°
  14. Thu 146.1 mm10°17°−1°
  15. Fri 151.3 mm13°23°+5°
  16. Sat 160.4 mm13°21°+3°
  17. Sun 176.3 mm11°17°−1°
  18. Mon 188°11°−6°
  19. Tue 196°19°+2°
  20. Wed 2010°25°+7°
  21. Thu 2114°30°+12°
  22. Fri 2215°30°+12°
  23. Sat 2311°18°±0°
  24. Sun 2410.0 mm12°26°+8°
  25. Mon 2512°24°+6°
  26. Tue 269°15°−5°
  27. Wed 276.2 mm9°12°−9°
  28. Thu 280.2 mm9°10°−10°
  29. Fri 292.1 mm10°16°−5°
  30. Sat 301.7 mm13°24°+2°
  31. Sun 310.3 mm9°25°+3°

30 May in past years, 2000–2009

  1. 2009 Sat1.7 mm13°24°
  2. 2008 Fri12°22°
  3. 2007 Wed12°27°
  4. 2006 Tue13°21°
  5. 2005 Mon0.6 mm11°21°
  6. 2004 Sun9°20°
  7. 2003 Fri0.3 mm11°23°
  8. 2002 Thu15°25°
  9. 2001 Wed0.4 mm8°17°
  10. 2000 Tue8°15°

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