May Precipitation & Averages

Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. 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