Month | Average (°F) | Record (°F) | Average (inches) | |||
---|---|---|---|---|---|---|
High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
January | 47.0 | 22.1 | 73 | -33 | 0.8 | 11.5 |
February | 48.0 | 22.9 | 79 | -28 | 1.0 | 15.0 |
March | 56.7 | 29.7 | 90 | -13 | 2.0 | 15.9 |
April | 62.7 | 35.1 | 88 | -3 | 3.0 | 14.7 |
May | 71.1 | 43.2 | 95 | 17 | 3.2 | 2.0 |
June | 82.2 | 51.7 | 104 | 20 | 1.9 | 0.0 |
July | 87.9 | 57.5 | 104 | 40 | 1.8 | 0.0 |
August | 86.0 | 56.1 | 102 | 40 | 1.7 | 0.0 |
September | 78.7 | 48.6 | 100 | 15 | 2.1 | 1.0 |
October | 65.8 | 37.8 | 90 | -2 | 1.6 | 7.0 |
November | 54.3 | 28.6 | 80 | -12 | 1.2 | 13.0 |
December | 46.2 | 21.7 | 76 | -24 | 0.8 | 12.8 |
Entire year | 65.6 | 38.0 | 104 | -33 | 21.0 | 92.4 |
More Boulder Weather Records
1893–2024
|
||
---|---|---|
Highest daily low | 80 °F | June 24, 1954 |
Lowest daily high | -12 °F | February 4, 1989 |
Greatest daily range (Difference of high and low) |
63 °F | January 20, 1943 |
Greatest difference in daily high over two conscutive days |
54 °F | Feb 6–7, 1933 |
Most daily precipitation | 9.1 inches | September 12, 2013 |
Most monthly precipitation | 18.2 inches | September 2013 |
Most yearly precipitation | 34.2 inches | 2013 |
Most yearly days with precipitation | 126 | 1995 |
Earliest snow in season | September 8 | 2020 |
Latest snow in season | June 12 | 1947 |
Most daily snow | 22.1 inches | October 25, 1997 |
Most monthly snow | 56.7 inches | March 1970 |
Most yearly snow | 158.7 inches | 1997 |
Most snow in a winter | 152.0 inches | 2019–2020 |
Greatest snow accumulation | 30.0 inches | October 30, 1941 |
Earliest freeze | September 9 | 2020 |
Earliest day ≥ 80 °F | March 16 | 2015 |
Earliest day ≥ 90 °F | March 17 | 1910 |
Earliest day ≥ 100 °F | June 12 | 1952 |
Latest freeze | June 29 | 1935 |
Latest day ≥ 80 °F | November 16 | 2016 |
Latest day ≥ 90 °F | October 5 | 1947 |
Latest day ≥ 100 °F | September 2 | 2019 |
Most days in a year < 0 °F | 15 | 1916 |
Most days in a year < 32 °F | 169 | 1984 |
Most days in a year ≥ 80 °F | 127 | 1956 |
Most days in a year ≥ 90 °F | 60 | 1952 |
Most days in a year ≥ 100 °F | 6 | 1954 |
Boulder Weather Streaks
Most consecutive days...
|
||
---|---|---|
With precipitation | 15 days | Jun 4–18, 1967 |
Without precipitation | 55 days | Sep 27 – Nov 20, 1934 |
With snow | 8 days | Mar 7–14, 1958 |
High temperature at or below freezing |
12 days | Jan 12–23, 1930 |
High temperature ≥ 80 °F | 70 days | Jun 19 – Aug 27, 1949 |
High temperature ≥ 90 °F | 18 days | Jul 24 – Aug 10, 1947 |
High temperature ≥ 100 °F | 4 days | Jul 10–13, 1954 |
Years | Station | Coordinates |
---|---|---|
1893–2024 | Boulder | location |