Your nature year
Danville, Illinoisthrough the year
When do frost, green-up and fall color come to Danville?
For a day trip, Indiana Dunes is 106 miles off; its fall foliage is usually at its best around mid-October. Indiana Dunes (106 mi) is the pick for wildflowers, Most years, the wildflowers peak from late April through mid-May (usually).
At the nearest NOAA station, Danville, the average first fall frost is Oct 20 and the last spring frost Apr 21, which leaves Danville some 182 growing days. About 4 weeks pass between first leaf and first bloom here. Leaves usually come out around Mar 28 and the first flowers around Apr 26. Head north for the closest of the 3 places we follow around Danville. Across Illinois, fall color is usually well under way by late October.
Updated Sep 29. Sources: US Census Bureau, 2024 Gazetteer (places) ↗ (opens in a new tab), US Census Bureau, city and town population estimates, 2024 ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) ↗ (opens in a new tab)
Near Danville right now
- Fall color is usually well under way by late October in IllinoisStatewide · USA-NPN volunteer observations, 2020–2025 · not a forecast~4 weeks
- First fall frost usually around Oct 20 · last spring frost around Apr 21NOAA 1991–2020 normals, Danville (2 mi, 50% dates)~3 weeks
- Fall foliage · Indiana Dunes · 106 miusually around mid-October~11 days
Your guide around Danville
Nearby, season by season
Fall foliage
- Indiana Dunes · 106 miusually around mid-October~11 days
Wildflowers
- Indiana Dunes · 106 miUsually: Most years, the wildflowers peak from late April through mid-May~7 months
Winter wildlife
- Chautauqua Refuge · 127 miUsually: Migration typically peaks in November~5 weeks
- Emiquon Refuge · 132 miUsually: migration typically peaks in November~5 weeks
Danville's nature year
- Mar: Spring green-upMar
- Wildflowers · Indiana DunesApr–May
- Apr: Last spring frostApr
- Oct: Fall color (IL)Oct
- Oct: First fall frostOct
- Nov: Winter wildlife · Chautauqua RefugeNov
Danville's year at a glance
- Frost possible
- Frost-free, ~Apr 21 to ~Oct 20
- First leaf ~Mar 28
- First bloom ~Apr 26
- Fall color under way ~Oct 27 (IL)
- Today
Frost and green-up
Last spring frost
Apr 21
Average (50% date)
First fall frost
Oct 20
About 182 days without frost between
Spring green-up
Mar 28
First bloom around Apr 26
Frost: NOAA 1991–2020 climate normals at Danville (2 mi from Danville), the day a 32 °F night is as likely as not. Green-up: the USA-NPN Spring Index, 1991–2020 average at the town.
Snow in Danville
Snow usually becomes possible around Jan 7 (our calculation from NOAA's daily snow chances: the first day the chance of 0.1" or more of snow reaches 10%). NOAA's normals at Danville Sewage Plt (2.9 mi away): 15 inches of snow in an average year, about 5.9 days with 1 inch or more.
NOAA's chance of at least 0.1 inch of snow on each date (one value per week, September to May), averaged over 1991–2020. A typical year, not a forecast.
Questions people ask
When is the first frost in Danville?
On average around Oct 20, and the last spring frost around Apr 21: about 182 days without frost between. These are NOAA's 1991–2020 normals at Danville, 2 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Danville?
The USA-NPN Spring Index puts first leaf around Mar 28 and first bloom around Apr 26, on average for 1991–2020 at the town.
Where can I see fall foliage near Danville?
Indiana Dunes, 106 miles (usually around mid-October). Distances are straight-line.
Where can I see wildflowers near Danville?
Indiana Dunes, 106 miles (usually: Most years, the wildflowers peak from late April through mid-May). Distances are straight-line.
When does it start snowing in Danville?
Snow usually becomes possible around Jan 7: our calculation from NOAA's daily snow chances: the first day the chance of 0.1" or more of snow reaches 10%, at Danville Sewage Plt. An average year brings 15 inches (NOAA 1991–2020). A typical year, not a forecast.Sources: NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal snowfall) ↗ (opens in a new tab), NOAA NCEI U.S. Climate Normals 1991–2020 (daily snowfall probabilities) ↗ (opens in a new tab)
How we know
US Census Bureau, 2024 Gazetteer (places) (opens in a new tab) (Sep 27) · US Census Bureau, city and town population estimates, 2024 (opens in a new tab) (Sep 27) · NOAA NCEI U.S. Climate Normals 1991–2020 (annual/seasonal) (opens in a new tab) (Sep 27) · USA National Phenology Network, Spring Index 1991–2020 averages (opens in a new tab) (Sep 27) · USA National Phenology Network, colored leaves observations (opens in a new tab) (Sep 29)