Grand Junction, CO: records

4 October 2026: The hottest day on record in Grand Junction, CO: 107°F on Monday 17 July 2023 and Friday 9 July 2021.

The record begins: 1893

All-time records

Hottest day: 107°F; 17 July 2023, 9 July 2021
Coldest night: -23°F; 13 January 1963
Wettest day: 1.87 in; 22 September 1941
Warmest night: 80°F; 13 July 2026
Coldest day: 2°F; 7 January 1913

Daily records by decade

New daily records set in Grand Junction, CO by decade since the 1920s: the most record highs, 122, came in the 1930s; the most record lows, 69, in the 1970s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1890s	0	0	7
1900s	0	0	10
1910s	0	0	10
1920s	48	62	10
1930s	122	53	10
1940s	67	49	10
1950s	49	42	10
1960s	58	69	10
1970s	67	69	10
1980s	35	22	10
1990s	42	28	10
2000s	51	46	10
2010s	36	38	10
2020s	77	12	7

Records by month

Month	Highest	Lowest	Wettest day
January	62°F 30 January 2024, 31 January 1911	-23°F 13 January 1963	0.64 in 16 January 1956
February	71°F 3 February 2025	-21°F 8 February 1933	0.59 in 9 February 1893
March	88°F 25 March 2026	5°F 11 March 1948, 5 March 1939	1.02 in 6 March 1918
April	89°F 30 April 2020, 24 April 2012, 23 April 2012 and 2 more	11°F 2 April 1975	0.86 in 27 April 1965
May	101°F 29 May 2000	24°F 1 May 2011	1.83 in 24 May 1906
June	105°F 16 June 2021, 27 June 1990	34°F 14 June 1976	1.12 in 8 June 1912
July	107°F 17 July 2023, 9 July 2021	44°F 5 July 1993	1.39 in 18 July 1974
August	105°F 3 August 2026	43°F 23 August 1968	1.43 in 24 August 1921
September	102°F 6 September 2022	28°F 27 September 1908	1.87 in 22 September 1941
October	89°F 2 October 2024, 1 October 2024	6°F 31 October 2019	1.35 in 10 October 2025, 18 October 1908
November	76°F 2 November 2008	-4°F 30 November 2004	1.15 in 3 November 1895
December	66°F 6 December 1901	-21°F 26 December 1924	1.16 in 30 December 1951

Streaks, months and years

Longest heat streak	52 days	15 June to 5 August 2008	A high of 90°F or above
Longest cold streak	32 days	25 December 1962 to 25 January 1963	A high of 32°F or below
Wettest month	3.78 in	September 1896
Driest month	0.00 in	October 1952
Wettest year	15.69 in	1957
Driest year	4.41 in	1956

Every record in words

The coldest night on record in Grand Junction, CO: a low of -23°F on Sunday 13 January 1963.
The wettest day on record in Grand Junction, CO: 1.87 in on Monday 22 September 1941.
The warmest night on record in Grand Junction, CO: a low of 80°F on Monday 13 July 2026.
The coldest day on record in Grand Junction, CO: a high of 2°F on Tuesday 7 January 1913.
The longest run of days with a high of 90°F or above in Grand Junction, CO: 52 days, from Sunday 15 June to Tuesday 5 August 2008.
The longest run of days with a high of 32°F or below in Grand Junction, CO: 32 days, from Tuesday 25 December 1962 to Friday 25 January 1963.
The wettest month on record in Grand Junction, CO: September 1896, with 3.78 in of precipitation.
The driest month on record in Grand Junction, CO: October 1952, with 0.00 in of precipitation.
The wettest year on record in Grand Junction, CO: 1957, with 15.69 in of precipitation.
The driest year on record in Grand Junction, CO: 1956, with 4.41 in of precipitation.

Grand Junction, CO the day's answers