Record envelope, standing records and threshold days for Monticello (USC00445700), Virginia, United States, with 35 years of record.
Key Facts for Monticello
Monticello (USC00445700) is a weather station in Virginia, United States at 38.01 latitude and -78.45 longitude, 230 m (755 ft) above sea level.
The station reports from 1982 to 2016, 35 years of record.
1,464 records set at Monticello still stand.
Records are tracked for tmax, tmin, prcp: an element needs 30 years of data to be eligible.
Monticello set a daily record precipitation of 50.8 mm (2.0 in) on 31 July 2016.
About the Station
Location: Virginia, United States, 38.01 latitude, -78.45 longitude.
Elevation: 230 m (755 ft).
Period of record: 1982 to 2016, 35 years.
Eligible elements: tmax, tmin, prcp.
Daily Record Envelope and 2026
0 days at or beyond a record
Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Monticello. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Monticello, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
27.2 C (81.0 F)
-23.3 C (-9.9 F)
n/a
n/a
Feb
26.1 C (79.0 F)
-17.2 C (1.0 F)
n/a
n/a
Mar
31.7 C (89.1 F)
-12.8 C (9.0 F)
n/a
n/a
Apr
36.7 C (98.1 F)
-5.6 C (21.9 F)
n/a
n/a
May
36.1 C (97.0 F)
2.2 C (36.0 F)
n/a
n/a
Jun
36.7 C (98.1 F)
4.4 C (39.9 F)
n/a
n/a
Jul
37.8 C (100.0 F)
6.7 C (44.1 F)
n/a
n/a
Aug
37.2 C (99.0 F)
7.2 C (45.0 F)
n/a
n/a
Sep
36.1 C (97.0 F)
2.2 C (36.0 F)
n/a
n/a
Oct
31.1 C (88.0 F)
-3.3 C (26.1 F)
n/a
n/a
Nov
30.0 C (86.0 F)
-8.9 C (16.0 F)
n/a
n/a
Dec
26.7 C (80.1 F)
-20.0 C (-4.0 F)
n/a
n/a
Which Years Hold Standing Records
1,464 standing records
Year with most
1,464 records at Monticello still stand. 1984 holds the most, with 65.
Standing records at Monticello by the year they were set
Year set
Standing records
1982
15
1983
58
1984
65
1985
62
1986
48
1987
42
1988
56
1989
60
1990
49
1991
63
1992
38
1993
47
1994
39
1995
31
1996
43
1997
35
1998
45
1999
39
2000
51
2001
48
2002
61
2003
42
2004
35
2005
33
2006
33
2007
38
2008
20
2009
30
2010
27
2011
36
2012
31
2013
31
2014
49
2015
48
2016
16
All-Time Record Progression
1 new records
1 all-time records were set at Monticello between 20 February 2015 and 20 February 2015. Each dot is a new record.
When Monticello set new all-time records
Date
Kind
Detail
2015-02-20
Record low maximum temperature
Record low maximum temperature -10.0 C (14.0 F)
Wettest Day of Each Month
Sep: 158.8 mm (6.3 in)
The wettest day on record for each calendar month at Monticello. The most was 158.8 mm (6.3 in) on 18 September 2003.
Record daily precipitation for each month at Monticello
Month
Record daily precipitation (mm)
Date
Jan
87.6 mm (3.4 in)
13 January 2005
Feb
65.8 mm (2.6 in)
14 February 1984
Mar
86.4 mm (3.4 in)
27 March 1994
Apr
76.2 mm (3.0 in)
21 April 1992
May
114.3 mm (4.5 in)
16 May 2014
Jun
58.4 mm (2.3 in)
6 June 1989
Jul
151.1 mm (5.9 in)
21 July 1984
Aug
96.5 mm (3.8 in)
28 August 2008
Sep
158.8 mm (6.3 in)
18 September 2003
Oct
114.8 mm (4.5 in)
7 October 2005
Nov
105.9 mm (4.2 in)
27 November 1993
Dec
54.9 mm (2.2 in)
9 December 2009
Period of Record Coverage
1982 to 2016
Complete yearUnder 90 percent of days
35 years of record at Monticello, 1982 to 2016. 4 years have data for under 90 percent of days and are left out of rankings: 1982, 1987, 1988, 2016.
Cooler than the station meanWarmer than the station mean
One stripe for each of 29 complete years at Monticello, 1983 to 2015. Blue stripes are years cooler than the station's own mean of 13.2 C (55.7 F); red stripes are warmer. The coolest year was 2003, at 12.0 C (53.5 F), and the warmest was 1990, at 14.3 C (57.8 F). The strongest colour marks a difference of 1.3 C (2.3 F).
Annual mean temperature at Monticello as warming stripes, 1983 to 2015
Year
Annual mean temperature
Difference from the station mean
1983
13.2 C
+0.03 C
1984
13.3 C
+0.10 C
1985
13.6 C
+0.41 C
1989
12.1 C
-1.04 C
1990
14.3 C
+1.13 C
1991
13.9 C
+0.75 C
1992
12.9 C
-0.32 C
1993
13.3 C
+0.07 C
1994
13.6 C
+0.45 C
1995
13.0 C
-0.19 C
1996
12.4 C
-0.76 C
1997
12.7 C
-0.48 C
1998
14.1 C
+0.92 C
1999
13.6 C
+0.37 C
2000
12.8 C
-0.38 C
2001
13.6 C
+0.37 C
2002
13.7 C
+0.49 C
2003
12.0 C
-1.22 C
2004
12.8 C
-0.38 C
2005
13.4 C
+0.22 C
2006
14.0 C
+0.81 C
2007
13.3 C
+0.15 C
2009
12.2 C
-1.01 C
2010
13.1 C
-0.13 C
2011
13.3 C
+0.11 C
2012
14.0 C
+0.79 C
2013
12.6 C
-0.56 C
2014
12.2 C
-0.95 C
2015
13.3 C
+0.13 C
This station does not have enough complete years (30 are needed) to fit a temperature trend.
A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.
Extremes by Year
1982 to 2016
Yearly extremes at Monticello: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Hottest day (TXx)
37.8 C (100.0 F)
1995
35.6 C (96.1 F)
35
Coldest night (TNn)
-23.3 C (-9.9 F)
1985
-13.9 C (7.0 F)
35
Wettest day (Rx1day)
158.8 mm (6.3 in)
2003
67.6 mm (2.7 in)
35
Wettest five days (Rx5day)
217.4 mm (8.6 in)
2003
123.9 mm (4.9 in)
35
Longest dry spell (CDD)
44 days
2000
19 days
35
Hottest day (TXx)
The hottest day of the year at Monticello, 1982 to 2016. The record is 37.8 C (100.0 F) in 1995, marked on the chart; the median year is 35.6 C (96.1 F).
Hottest day (TXx) at Monticello by year
Year
Hottest day (TXx)
1982
31.1 C (88.0 F)
1983
37.2 C (99.0 F)
1984
34.4 C (93.9 F)
1985
33.3 C (91.9 F)
1986
35.0 C (95.0 F)
1987
37.2 C (99.0 F)
1988
37.2 C (99.0 F)
1989
33.3 C (91.9 F)
1990
36.7 C (98.1 F)
1991
36.1 C (97.0 F)
1992
35.6 C (96.1 F)
1993
36.7 C (98.1 F)
1994
35.0 C (95.0 F)
1995
37.8 C (100.0 F)
1996
35.6 C (96.1 F)
1997
36.1 C (97.0 F)
1998
35.6 C (96.1 F)
1999
37.8 C (100.0 F)
2000
36.1 C (97.0 F)
2001
36.7 C (98.1 F)
2002
36.7 C (98.1 F)
2003
32.8 C (91.0 F)
2004
32.8 C (91.0 F)
2005
35.0 C (95.0 F)
2006
35.0 C (95.0 F)
2007
35.0 C (95.0 F)
2008
35.6 C (96.1 F)
2009
32.2 C (90.0 F)
2010
35.6 C (96.1 F)
2011
37.2 C (99.0 F)
2012
37.8 C (100.0 F)
2013
33.3 C (91.9 F)
2014
33.9 C (93.0 F)
2015
33.3 C (91.9 F)
2016
35.0 C (95.0 F)
Coldest night (TNn)
The coldest night of the year at Monticello, 1982 to 2016. The record is -23.3 C (-9.9 F) in 1985, marked on the chart; the median year is -13.9 C (7.0 F).
Coldest night (TNn) at Monticello by year
Year
Coldest night (TNn)
1982
-10.0 C (14.0 F)
1983
-20.0 C (-4.0 F)
1984
-16.7 C (1.9 F)
1985
-23.3 C (-9.9 F)
1986
-13.9 C (7.0 F)
1987
-16.1 C (3.0 F)
1988
-14.4 C (6.1 F)
1989
-18.3 C (-0.9 F)
1990
-12.2 C (10.0 F)
1991
-12.2 C (10.0 F)
1992
-12.2 C (10.0 F)
1993
-12.2 C (10.0 F)
1994
-21.7 C (-7.1 F)
1995
-15.0 C (5.0 F)
1996
-17.2 C (1.0 F)
1997
-18.3 C (-0.9 F)
1998
-9.4 C (15.1 F)
1999
-12.8 C (9.0 F)
2000
-13.9 C (7.0 F)
2001
-8.9 C (16.0 F)
2002
-11.1 C (12.0 F)
2003
-13.9 C (7.0 F)
2004
-14.4 C (6.1 F)
2005
-11.7 C (10.9 F)
2006
-12.2 C (10.0 F)
2007
-13.9 C (7.0 F)
2008
-10.6 C (12.9 F)
2009
-15.6 C (3.9 F)
2010
-11.7 C (10.9 F)
2011
-10.6 C (12.9 F)
2012
-10.0 C (14.0 F)
2013
-10.6 C (12.9 F)
2014
-16.1 C (3.0 F)
2015
-17.2 C (1.0 F)
2016
-13.3 C (8.1 F)
Wettest day (Rx1day)
The wettest day of the year at Monticello, 1982 to 2016. The record is 158.8 mm (6.3 in) in 2003, marked on the chart; the median year is 67.6 mm (2.7 in).
Wettest day (Rx1day) at Monticello by year
Year
Wettest day (Rx1day)
1982
38.6 mm (1.5 in)
1983
56.4 mm (2.2 in)
1984
151.1 mm (5.9 in)
1985
80.5 mm (3.2 in)
1986
64.5 mm (2.5 in)
1987
79.2 mm (3.1 in)
1988
38.1 mm (1.5 in)
1989
58.4 mm (2.3 in)
1990
83.8 mm (3.3 in)
1991
54.9 mm (2.2 in)
1992
95.3 mm (3.8 in)
1993
105.9 mm (4.2 in)
1994
102.9 mm (4.1 in)
1995
50.8 mm (2.0 in)
1996
101.6 mm (4.0 in)
1997
127.0 mm (5.0 in)
1998
53.3 mm (2.1 in)
1999
96.5 mm (3.8 in)
2000
40.6 mm (1.6 in)
2001
45.7 mm (1.8 in)
2002
42.7 mm (1.7 in)
2003
158.8 mm (6.3 in)
2004
50.0 mm (2.0 in)
2005
114.8 mm (4.5 in)
2006
67.6 mm (2.7 in)
2007
52.6 mm (2.1 in)
2008
96.5 mm (3.8 in)
2009
54.9 mm (2.2 in)
2010
80.5 mm (3.2 in)
2011
104.1 mm (4.1 in)
2012
51.8 mm (2.0 in)
2013
68.8 mm (2.7 in)
2014
114.3 mm (4.5 in)
2015
66.0 mm (2.6 in)
2016
50.8 mm (2.0 in)
Wettest five days (Rx5day)
The wettest five days of the year at Monticello, 1982 to 2016. The record is 217.4 mm (8.6 in) in 2003, marked on the chart; the median year is 123.9 mm (4.9 in).
Wettest five days (Rx5day) at Monticello by year
Year
Wettest five days (Rx5day)
1982
55.3 mm (2.2 in)
1983
102.3 mm (4.0 in)
1984
174.7 mm (6.9 in)
1985
163.3 mm (6.4 in)
1986
94.2 mm (3.7 in)
1987
207.7 mm (8.2 in)
1988
79.6 mm (3.1 in)
1989
92.7 mm (3.6 in)
1990
134.6 mm (5.3 in)
1991
170.0 mm (6.7 in)
1992
143.5 mm (5.6 in)
1993
89.9 mm (3.5 in)
1994
159.8 mm (6.3 in)
1995
88.9 mm (3.5 in)
1996
181.6 mm (7.1 in)
1997
146.1 mm (5.8 in)
1998
90.6 mm (3.6 in)
1999
133.3 mm (5.2 in)
2000
68.7 mm (2.7 in)
2001
96.7 mm (3.8 in)
2002
60.5 mm (2.4 in)
2003
217.4 mm (8.6 in)
2004
90.7 mm (3.6 in)
2005
188.0 mm (7.4 in)
2006
174.7 mm (6.9 in)
2007
97.8 mm (3.9 in)
2008
134.6 mm (5.3 in)
2009
80.8 mm (3.2 in)
2010
148.8 mm (5.9 in)
2011
147.8 mm (5.8 in)
2012
79.6 mm (3.1 in)
2013
111.5 mm (4.4 in)
2014
123.9 mm (4.9 in)
2015
142.7 mm (5.6 in)
2016
96.1 mm (3.8 in)
Longest dry spell (CDD)
The longest dry spell of the year at Monticello, 1982 to 2016. The record is 44 days in 2000, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Monticello by year
Year
Longest dry spell (CDD)
1982
16 days
1983
15 days
1984
18 days
1985
27 days
1986
24 days
1987
21 days
1988
22 days
1989
17 days
1990
22 days
1991
25 days
1992
17 days
1993
20 days
1994
14 days
1995
10 days
1996
13 days
1997
14 days
1998
27 days
1999
23 days
2000
44 days
2001
38 days
2002
20 days
2003
16 days
2004
27 days
2005
19 days
2006
33 days
2007
34 days
2008
18 days
2009
17 days
2010
20 days
2011
19 days
2012
17 days
2013
19 days
2014
15 days
2015
17 days
2016
13 days
Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.
Frost Dates and Growing Season
29 years with a frost
Across 29 years with a frost, the median last spring frost at Monticello falls on 5 April and the median first autumn frost on 3 November, which leaves a median of 211 days between them.
Fitted over all years, the growing season changes by +0.9 days per decade at this station.
Frost dates and growing season at Monticello
Measure
Median, all years
Earliest period
Recent period (1983 to 2015)
Recent against earliest
Fitted trend
Last spring frost
5 April
n/a
5 April
n/a
-2.2 days per decade
First autumn frost
3 November
n/a
3 November
n/a
-1.3 days per decade
Growing days
211 days
n/a
211 days
n/a
+0.9 days per decade
A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.
Download the Data
Data for Monticello standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Monticello threshold days by year: CSV or JSON. Field meanings are on the data page.
Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-14 (14 October 2026). Records are computed by this site and are not official.