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Boston

Massachusetts, United States · now 7°, heavy drizzle

May 1978

  1. 0°J
  2. -1°F
  3. 5°M
  4. 12°A
  5. 19°M
  6. 25°J
  7. 28°J
  8. 26°A
  9. 21°S
  10. 16°O
  11. 10°N
  12. 4°D
Average
19° / 9°
Warmest
May 20, 29°
Coldest
May 1, 1°
Rain
144.5 mm
Wet days
10 days (≥ 1 mm)
Against normal
About normal
Day's low to highNormal: 1968–1977 averageRain
  1. Mon 11°10°−7°
  2. Tue 22°15°−3°
  3. Wed 30.5 mm4°15°−2°
  4. Thu 43°14°−3°
  5. Fri 57.9 mm5°7°−10°
  6. Sat 60.1 mm4°16°±0°
  7. Sun 70.2 mm6°19°+3°
  8. Mon 86°20°+3°
  9. Tue 917.1 mm10°15°−2°
  10. Wed 109°19°+2°
  11. Thu 118°19°+2°
  12. Fri 127°23°+5°
  13. Sat 139°19°+1°
  14. Sun 142.4 mm7°15°−4°
  15. Mon 1543.9 mm7°9°−11°
  16. Tue 1615.9 mm8°10°−9°
  17. Wed 176.3 mm9°19°−1°
  18. Thu 181.6 mm10°16°−4°
  19. Fri 1910°23°+3°
  20. Sat 2013°29°+9°
  21. Sun 212.2 mm12°22°+3°
  22. Mon 2210°23°+4°
  23. Tue 2310°26°+6°
  24. Wed 2412.8 mm13°23°+3°
  25. Thu 2533.1 mm12°14°−5°
  26. Fri 260.5 mm11°17°−3°
  27. Sat 2711°19°±0°
  28. Sun 2813°28°+7°
  29. Mon 2917°28°+7°
  30. Tue 3016°28°+7°
  31. Wed 3114°20°−2°

18 May in past years, 1969–1978

  1. 1978 Thu1.6 mm10°16°
  2. 1977 Wed1.1 mm10°26°
  3. 1976 Tue8.6 mm15°22°
  4. 1975 Sun10°22°
  5. 1974 Sat13°23°
  6. 1973 Fri13.4 mm8°14°
  7. 1972 Thu10°22°
  8. 1971 Tue10°20°
  9. 1970 Mon21.5 mm10°12°
  10. 1969 Sun14°21°

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