Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Oak Ridge Climate Normals and Records
(records began in 1948)

Note: The following monthly climatological data is not considered official. For copies of official data, contact the National Climatic Data Center.

Daily and Monthly Climate Normals and Records ('Normals' are thirty year averages based on the period 1991-2020)
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

For climate data queries, please visit NOWData at: http://w2.weather.gov/climate/xmacis.php?wfo=mrx Helpful Information: Frost data - search for temperatures at or below 36 degrees Freeze data - search for temperatures at or below 32 degrees




Warmest/Coldest Monthly Average Temperatures



 
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC


Warmest
47.1
50.4
60.6
65.6
74.4
80.3
82.3
83.6
78.8
66.2
55.4
52.8


 
1974
2023
2012
2017
2018
1952
2025
2007
2019
2016
2024
2015



Coldest
24.7
31.0
36.0
51.0
60.5
67.7
72.1
72.3
64.1
51.7
39.7
30.4


 
1977
1978
1960
1950
1976
1974
1967
1950
1949
1988
1976
1963





Wettest/Driest Monthly Precipitation Totals



 
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC


Wettest
13.27
15.62
12.24
14.03
10.70
11.14
19.27
10.46
10.14
8.02
12.22
12.64


 
1954
2019
1975
1998
1984
1989
1967
1960
2011
2019
1948
1990



Driest
0.93
0.84
2.13
0.88
0.80
0.53
1.23
0.54
0.13
0.00
1.06
0.67


 
1981
1968
1957
1976
1970
1988
1995
1953
2019
1963
2021
1965

Warmest/Coldest Monthly Average Temperatures
	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
Warmest	47.1	50.4	60.6	65.6	74.4	80.3	82.3	83.6	78.8	66.2	55.4	52.8
	1974	2023	2012	2017	2018	1952	2025	2007	2019	2016	2024	2015

Coldest	24.7	31.0	36.0	51.0	60.5	67.7	72.1	72.3	64.1	51.7	39.7	30.4
	1977	1978	1960	1950	1976	1974	1967	1950	1949	1988	1976	1963

Wettest/Driest Monthly Precipitation Totals
	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC
Wettest	13.27	15.62	12.24	14.03	10.70	11.14	19.27	10.46	10.14	8.02	12.22	12.64
	1954	2019	1975	1998	1984	1989	1967	1960	2011	2019	1948	1990

Driest	0.93	0.84	2.13	0.88	0.80	0.53	1.23	0.54	0.13	0.00	1.06	0.67
	1981	1968	1957	1976	1970	1988	1995	1953	2019	1963	2021	1965