Atlantic Ocean

1971-2000 Climate Normals

Station: 441913 - Colonial Beach
Station type: COOP - TP what is this?
City, State: Colonial Beach, VA       County: Westmoreland County
Latitude: 38.251° N      Longitude: 76.963° W
Elevation: 10 feet above sea level
Climate division: VA01 - Tidewater
River basin: Lower Potomac
Supported by: NOAA National Weather Service

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Monthly Normals
441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

Jan Feb Mar Apr May June Jul Aug Sept Oct Nov Dec Ann.
What is This? Normal Monthly Maximum Temperature47.1 °F 50.7 °F 59.7 °F 70 °F 78.5 °F 86.4 °F 90.6 °F 88.7 °F 82.8 °F 71.7 °F 61.4 °F 51.2 °F 69.9 °F
What is This? Normal Monthly Minimum Temperature26.8 °F 28.9 °F 36.1 °F 45.1 °F 55 °F 63.7 °F 68.4 °F 67.1 °F 61.1 °F 48.7 °F 39.7 °F 31.4 °F 47.7 °F
What is This? Normal Monthly Mean Temperatures37 °F 39.8 °F 47.9 °F 57.6 °F 66.8 °F 75.1 °F 79.5 °F 77.9 °F 72 °F 60.2 °F 50.6 °F 41.3 °F 58.8 °F
What is This? Normal Monthly Precipitation3.41 in. 3.05 in. 4.05 in. 3.03 in. 4.42 in. 3.46 in. 4.6 in. 3.73 in. 3.6 in. 3.2 in. 2.88 in. 3.26 in. 42.6 in.
What is This? Normal Cooling Degree Days0 0 0 14 100 305 450 400 221 37 0 0 1527
What is This? Normal Heating Degree Days870 707 529 238 45 4 0 0 14 185 433 736 3761
What is This? Highest Mean Temperature43.8 °F 47.5 °F 53.6 °F 63.6 °F 71.4 °F 79.2 °F 83.5 °F 81.7 °F 78 °F 66.5 °F 57 °F 48.4 °F 83.5 °F
What is This? Median Monthly Mean Temperature37.8 °F 39.8 °F 48.9 °F 57 °F 66.6 °F 75.1 °F 79.5 °F 77.3 °F 71.7 °F 60.2 °F 50.2 °F 41.6 °F 58.8 °F
What is This? Lowest Mean Temperature28.2 °F 29.3 °F 42.8 °F 52.9 °F 63.6 °F 68.5 °F 75.7 °F 71.7 °F 67 °F 55.9 °F 45.9 °F 28.6 °F 28.2 °F
What is This? Year of Highest Mean Temperature1998 1976 2000 1994 1991 1981 1987 1980 1980 1984 1985 1971 1987
What is This? Year of Lowest Mean Temperature1977 1979 1978 1975 1992 1992 2000 1992 1975 1988 1995 1989 1977



Official daily normals are calculated by the National Climatic Data Center using a linear interpolation of the monthly normals. Since the daily normals do not account for daily climate variability, the State Climate Office of North Carolina provides a daily normal 'range' that incorporates the historical variations in climate for any given day. More details on this technique are available in:

Holder, C., R. Boyles, P. Robinson, S. Raman, and G. Fishel (2006). Calculating a Daily Normal Temperature Range that Reflects Daily Temperature Variability. Bulletin of the American Meteorological Society, Vol. 87, pp 769-774.

Normal Daily Maximum Temperature
The 30-year normal value for maximum temperatures each day.
441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

show/hide Normal Daily Maximum Temperature Table



Normal Daily Minimum Temperature
The 30-year normal value for minimum temperatures each day.
441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

show/hide Normal Daily Minimum Temperature Table



Normal Daily Mean Temperature
The 30-year normal value for mean temperatures for each day.
441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

show/hide Normal Daily Mean Temperature Table



Normal Precipitation by Day

441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

show/hide Normal Daily Precipitation Table

Normal Cooling Degree Days (CDD) by Day
The 30-year normal value for cooling degree days for each day. Base 65 F
441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

show/hide Normal Daily Cooling Degree Days Table

Normal Heating Degree Days (HDD) by Day
The 30-year normal value for heating degree days for each day. Base 65 F
441913 - Colonial Beach (COOP)
Colonial Beach, VA       Westmoreland County
38.251N    -76.963W

show/hide Normal Daily Heating Degree Days Table