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Boston

Massachusetts, United States · now 8°, light drizzle

May 1986

  1. 3°J
  2. 1°F
  3. 9°M
  4. 13°A
  5. 19°M
  6. 23°J
  7. 25°J
  8. 24°A
  9. 21°S
  10. 15°O
  11. 9°N
  12. 5°D
Average
19° / 10°
Warmest
May 19, 30°
Coldest
May 4, 2°
Rain
50.0 mm
Wet days
10 days (≥ 1 mm)
Against normal
About normal
Day's low to highNormal: 1976–1985 averageRain
  1. Thu 11.1 mm8°22°+5°
  2. Fri 20.3 mm6°14°−3°
  3. Sat 33°11°−6°
  4. Sun 42°12°−5°
  5. Mon 53.5 mm6°20°+3°
  6. Tue 60.8 mm8°14°−3°
  7. Wed 78.9 mm7°15°−2°
  8. Thu 80.7 mm6°8°−9°
  9. Fri 95°9°−9°
  10. Sat 104°16°−2°
  11. Sun 114°12°−6°
  12. Mon 121.8 mm6°12°−6°
  13. Tue 138°17°−1°
  14. Wed 145°17°−1°
  15. Thu 155°19°±0°
  16. Fri 169°23°+4°
  17. Sat 170.7 mm14°25°+6°
  18. Sun 1814°29°+10°
  19. Mon 1917°30°+10°
  20. Tue 2016°25°+5°
  21. Wed 215.1 mm16°23°+3°
  22. Thu 227.0 mm16°22°+1°
  23. Fri 233.3 mm14°20°−1°
  24. Sat 2412.2 mm13°19°−3°
  25. Sun 252.2 mm13°19°−3°
  26. Mon 269°16°−5°
  27. Tue 278°25°+4°
  28. Wed 281.7 mm15°26°+5°
  29. Thu 2913°28°+7°
  30. Fri 300.7 mm19°30°+8°
  31. Sat 3114°26°+4°

21 May in past years, 1977–1986

  1. 1986 Wed5.1 mm16°23°
  2. 1985 Tue10.3 mm16°25°
  3. 1984 Mon4.2 mm13°22°
  4. 1983 Sat0.3 mm14°24°
  5. 1982 Fri11°20°
  6. 1981 Thu8°21°
  7. 1980 Wed2.4 mm9°13°
  8. 1979 Mon2.8 mm12°20°
  9. 1978 Sun2.2 mm12°22°
  10. 1977 Sat14°26°

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