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Boulder, CO Weather on April 11
April 11th in Boulder, CO typically brings mild spring weather, with average highs around 61°F and lows near 34°F — a 27°F daily swing. Over 55 years of records, the warmest April 11th was in 2018 (64°F average), while the coldest was 1997 (18°F) — a 46°F range across recorded history. Precipitation has occurred on 27% of recorded April 11th dates, with snow falling 15% of the time (heaviest snowfall: 8.1"). The last decade has been 6.4°F warmer on this date compared to 20-30 years ago.
What to Expect on April 11
Planning for April 11th in Boulder, CO? Great weather for outdoor activities.
April 11 Weather Records for Boulder
- •The all-time record high for April 11th in Boulder, CO is 84°F, set in 2023.
- •The coldest April 11th on record dropped to 11°F in 1997.
- •A freeze (32°F or below) has occurred on April 11th in 27 of the last 55 years.
- •Last year (1971), April 11th was 11°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest April 11 ever in Boulder?
The warmest April 11 in Boulder, CO reached 84°F in 2023. That is 23°F above the long-term average high of 61°F.
What was the coldest April 11 ever in Boulder?
The coldest April 11 in Boulder, CO dropped to 11°F in 1997. That is 23°F below the long-term average low of 34°F.
What is the average temperature on April 11 in Boulder?
On April 11, Boulder averages a high of 61°F and a low of 34°F based on 55 years of NOAA weather observations from BOULDER MUNI AP.
How many years of weather data are available for April 11 in Boulder?
We have 55 years of weather records for April 11 in Boulder, CO, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
April 11 Weather History in Boulder
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 41°F | -- | -- |
| 2024 | 61°F | 37°F | -- | -- |
| 2023 | 84°F | 43°F | -- | -- |
| 2022 | 61°F | 28°F | -- | -- |
| 2021 | 55°F | 34°F | 0" | -- |
| 2020 | 70°F | 36°F | -- | -- |
| 2019 | 43°F | 21°F | -- | -- |
| 2018 | 77°F | 52°F | -- | -- |
| 2017 | 67°F | 29°F | 0" | -- |
| 2016 | 56°F | 38°F | 0.51" | -- |
| 2015 | 70°F | 34°F | 0" | -- |
| 2014 | 76°F | 43°F | 0" | -- |
| 2013 | 55°F | 17°F | 0" | -- |
| 2012 | 70°F | 44°F | 0" | -- |
| 2011 | 64°F | 31°F | 0" | -- |
| 2010 | 69°F | 33°F | 0" | -- |
| 2009 | 58°F | 32°F | 0" | -- |
| 2008 | 46°F | 31°F | 0" | -- |
| 2007 | 50°F | 32°F | 0" | -- |
| 2006 | 74°F | 46°F | 0" | -- |
| 2005 | 48°F | 29°F | 0.81" | 4" |
| 2004 | 49°F | 22°F | 0" | -- |
| 2003 | 75°F | 39°F | 0" | -- |
| 2002 | 70°F | 40°F | 0.05" | -- |
| 2001 | 46°F | 32°F | 2.84" | 3.1" |
| 2000 | 63°F | 34°F | 0.05" | -- |
| 1999 | 58°F | 24°F | 0" | -- |
| 1998 | 79°F | 35°F | 0" | -- |
| 1997 | 26°F | 11°F | 0.66" | 5" |
| 1996 | 68°F | 41°F | 0.05" | -- |
| 1995 | 44°F | 17°F | 0.05" | 0.3" |
| 1994 | 37°F | 31°F | 0.33" | 0.7" |
| 1993 | 62°F | 32°F | 0" | -- |
| 1992 | 72°F | 47°F | 0.13" | -- |
| 1991 | 52°F | 31°F | 1.14" | 4.3" |
| 1990 | 47°F | 30°F | 0" | -- |
| 1989 | 41°F | 28°F | 0.1" | -- |
| 1988 | 69°F | 31°F | 0" | -- |
| 1987 | 65°F | 38°F | 0" | -- |
| 1986 | 66°F | 37°F | 0" | -- |
| 1985 | 77°F | 42°F | 0" | -- |
| 1984 | 53°F | 32°F | 0" | -- |
| 1983 | 60°F | 39°F | 0" | -- |
| 1982 | 81°F | 45°F | 0" | -- |
| 1981 | 74°F | 40°F | 0" | -- |
| 1980 | 49°F | 31°F | 0" | -- |
| 1979 | 44°F | 32°F | 3.3" | 5" |
| 1978 | 68°F | 26°F | 0" | -- |
| 1977 | 72°F | 43°F | 0.36" | -- |
| 1976 | 65°F | 42°F | 0" | -- |
| 1975 | 34°F | 29°F | 2.64" | 8.1" |
| 1974 | 51°F | 31°F | 0" | -- |
| 1973 | 51°F | 29°F | 0" | -- |
| 1972 | 75°F | 46°F | 0" | -- |
| 1971 | 72°F | 34°F | 0" | -- |
Based on 55 years of data from NOAA station: BOULDER MUNI AP
Monthly Climate Averages
Historical temperature and precipitation averages for Boulder, CO, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.