Boston

May 1991

Average

23° / 11°

Warmest

May 24, 32°

Coldest

May 19, 6°

Rain

49.4 mm

Wet days

7 days (≥ 1 mm)

Against normal

4° warmer than normal

1. Wed 18°21°+5°
2. Thu 20.6 mm10°19°+3°
3. Fri 37°15°−1°
4. Sat 48°18°+2°
5. Sun 57°20°+4°
6. Mon 612.3 mm9°17°+1°
7. Tue 710°19°+2°
8. Wed 88°18°+2°
9. Thu 97°17°±0°
10. Fri 109°18°+1°
11. Sat 118°23°+6°
12. Sun 1214°28°+10°
13. Mon 1313°27°+9°
14. Tue 1412°22°+4°
15. Wed 150.4 mm10°22°+3°
16. Thu 1612°30°+11°
17. Fri 179.2 mm10°29°+10°
18. Sat 189°15°−5°
19. Sun 196°19°−1°
20. Mon 208°23°+3°
21. Tue 2112°27°+8°
22. Wed 2214°24°+4°
23. Thu 2312°18°−2°
24. Fri 2413°32°+11°
25. Sat 252.5 mm20°31°+11°
26. Sun 260.3 mm14°21°±0°
27. Mon 279.0 mm14°30°+9°
28. Tue 287.0 mm14°30°+8°
29. Wed 2917°28°+6°
30. Thu 303.7 mm17°25°+2°
31. Fri 314.4 mm14°24°+2°