May Precipitation & Averages

Severe Thunderstorms and Possible Flooding in the East; Extreme Heat in the West.

Scattered severe storms with wind damage, large hail, and a few tornadoes will be possible this afternoon and evening across much of the Mid Atlantic and Southeast. Heavy rain may cause instances of flash flooding from eastern Kentucky to southern New York. Out west, dangerous heat will develop through Saturday, with record-breaking temperatures expected. Read More >

May Normal Daily Precipitation (1991-2020)
Daily Precipitation records (1930-2024)
Day	Normal Precipitation	Record Precipitation	Record Year
1	.03	0.41	1959
2	.03	1.55	1941
3	.03	1.45	1941
4	.03	1.29	1969
5	.03	1.00	1982
6	.04	1.02	1969
7	.03	1.35	1959
8	.04	0.60	1932
9	.04	4.75	1968
10	.04	2.45	2012
11	.05	1.36	1958
12	.06	1.20	1958
13	.05	1.84	2019
14	.05	1.40	2010
15	.06	0.81	1980
16	.05	2.11	1984
17	.06	1.12	1957
18	.05	0.57	1952
19	.06	1.66	1961
20	.06	1.68	2019
21	.06	0.55	1993
22	.06	0.98	1963
23	.06	2.72	1992
24	.06	1.86	2003
25	.06	2.02	1992
26	.06	2.97	1941
27	.07	1.10	1982
28	.05	2.08	1964
29	.07	2.01	1971
30	.06	1.60	2024
31	.07	1.81	2021
MONTH	1.57

May Normal Daily Precipitation (1991-2020)
Daily Precipitation records (1930-2024)

Day

Normal Precipitation

Record Precipitation

Record
Year

.03

0.41

1959

.03

1.55

1941

.03

1.45

1941

.03

1.29

1969

.03

1.00

1982

.04

1.02

1969

.03

1.35

1959

.04

0.60

1932

.04

4.75

1968

.04

2.45

2012

.05

1.36

1958

.06

1.20

1958

.05

1.84

2019

.05

1.40

2010

.06

0.81

1980

.05

2.11

1984

.06

1.12

1957

.05

0.57

1952

.06

1.66

1961

.06

1.68

2019

.06

0.55

1993

.06

0.98

1963

.06

2.72

1992

.06

1.86

2003

.06

2.02

1992

.06

2.97

1941

.07

1.10

1982

.05

2.08

1964

.07

2.01

1971

.06

1.60

2024

.07

1.81

2021

MONTH

1.57