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Boston

Massachusetts, United States · now 10°, light drizzle

May 1999

Average
20° / 10°
Warmest
May 31, 31°
Coldest
May 1, 4°
Rain
64.0 mm
Wet days
6 days (≥ 1 mm)
Against normal
1° warmer than normal
Day's low to highNormal: 1989–1998 averageRain
  1. Sat 14°17°±0°
  2. Sun 24°16°−1°
  3. Mon 34.6 mm7°13°−4°
  4. Tue 410.5 mm9°11°−6°
  5. Wed 50.9 mm10°13°−3°
  6. Thu 610°18°+1°
  7. Fri 711°17°+1°
  8. Sat 811°18°+2°
  9. Sun 90.1 mm14°23°+6°
  10. Mon 1010°20°+3°
  11. Tue 117°19°+2°
  12. Wed 127°19°+2°
  13. Thu 136°16°−2°
  14. Fri 145°19°+1°
  15. Sat 156°19°+1°
  16. Sun 168°19°+1°
  17. Mon 178°20°+2°
  18. Tue 1811°21°+2°
  19. Wed 196.1 mm14°22°+3°
  20. Thu 2015.6 mm12°20°±0°
  21. Fri 2110°22°+1°
  22. Sat 2210°22°+2°
  23. Sun 2312.1 mm11°21°−1°
  24. Mon 2413.6 mm11°19°−2°
  25. Tue 250.1 mm12°19°−2°
  26. Wed 2611°18°−3°
  27. Thu 270.4 mm11°19°−2°
  28. Fri 2811°21°±0°
  29. Sat 2912°26°+4°
  30. Sun 3013°28°+6°
  31. Mon 3116°31°+9°

1 May in past years, 1990–1999

  1. 1999 Sat4°17°
  2. 1998 Fri0.6 mm10°22°
  3. 1997 Thu4.7 mm9°20°
  4. 1996 Wed2.5 mm9°18°
  5. 1995 Mon3.7 mm4°10°
  6. 1994 Sun9.5 mm9°21°
  7. 1993 Sat6°19°
  8. 1992 Fri0.3 mm8°17°
  9. 1991 Wed8°21°
  10. 1990 Tue3.0 mm8°14°

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