Your nature year
Fairfield, Californiathrough the year
Also for Antioch, CA, Vacaville, CA, Suisun City, CA: the same nearby places.
When do frost, green-up and fall color come to Fairfield?
The closest place we follow is Point Reyes, 55 miles away, for wildflowers, Feb 1–Aug 31 (local timing). Yosemite (133 mi) is the pick for fall foliage, usually Oct 11–31. Frost usually lets go around Jan 15 and comes back around Dec 14, according to the nearest NOAA station, Fairfield: roughly 333 days without it. Spring takes about 4 weeks to go from leaf to bloom. The USA-NPN spring index puts first leaf here around Jan 30 and first bloom around Feb 28. Head west for the closest of the 5 places we follow around Fairfield. Statewide, California's fall color is usually well under way by late October.
Updated Sep 28. 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)
Fairfield's year at a glance
- Frost possible
- Frost-free, ~Jan 15 to ~Dec 14
- First leaf ~Jan 30
- First bloom ~Feb 28
- Fall color under way ~Oct 28 (CA)
- Today
Near Fairfield right now
- Fall color is usually well under way by late October in CaliforniaStatewide · USA-NPN volunteer observations, 2020–2025 · not a forecast~4 weeks
- First fall frost usually around Dec 14 · last spring frost around Jan 15NOAA 1991–2020 normals, Fairfield (2.1 mi, 50% dates)~3 months
- Fall foliage · Yosemite · 133 miusually Oct 11–31~13 days
Fairfield's nature year
- Spring green-upJan
- Last spring frostJan
- Wildflowers · Point ReyesFeb–Aug
- Fall color (CA)Oct
- First fall frostDec
Nearby, season by season
Fall foliage
- Yosemite · 133 miusually Oct 11–31~13 days
Wildflowers
- Point Reyes · 55 miLocal timing: Feb 1–Aug 31~4 months
- San Joaquin River Refuge · 60 miLocal timing: Apr 1–30~6 months
- San Luis Refuge · 91 miLocal timing: Apr 1–30~6 months
Frost and green-up
Last spring frost
Jan 15
Average (50% date)
First fall frost
Dec 14
About 333 days without frost between
Spring green-up
Jan 30
First bloom around Feb 28
Frost: NOAA 1991–2020 climate normals at Fairfield (2.1 mi from Fairfield), the day a 32 °F night is as likely as not. Green-up: the USA-NPN Spring Index, 1991–2020 average at the town.
Questions people ask
When is the first frost in Fairfield?
On average around Dec 14, and the last spring frost around Jan 15: about 333 days without frost between. These are NOAA's 1991–2020 normals at Fairfield, 2.1 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Fairfield?
The USA-NPN Spring Index puts first leaf around Jan 30 and first bloom around Feb 28, on average for 1991–2020 at the town.
Where can I see fall foliage near Fairfield?
Yosemite, 133 miles (usually Oct 11–31). Distances are straight-line.
Where can I see wildflowers near Fairfield?
Point Reyes, 55 miles (local timing: Feb 1–Aug 31); San Joaquin River Refuge, 60 miles (local timing: Apr 1–30); San Luis Refuge, 91 miles (local timing: Apr 1–30). Distances are straight-line.
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 28)