Your nature year
Los Banos, Californiathrough the year
When do frost, green-up and fall color come to Los Banos?
Spring green-up reaches town around Jan 31, with first blooms around Mar 1. Frost usually lets go around Jan 26 and comes back around Dec 10, according to the nearest NOAA station, Los Banos: roughly 318 days without it. Statewide, California's fall color is usually well under way by late October. Within 150 miles we follow 6 places, out to Point Reyes 135 miles to the northwest. The closest place we follow is San Luis Refuge, 16 miles away, for wildflowers, Apr 1–30 (local timing). Yosemite (78 mi) is the pick for fall foliage, usually Oct 11–31. Los Banos sits at about 112 feet.
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)
Los Banos's year at a glance
- Frost possible
- Frost-free, ~Jan 26 to ~Dec 10
- First leaf ~Jan 31
- First bloom ~Mar 1
- Fall color under way ~Oct 28 (CA)
- Today
Near Los Banos 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 10 · last spring frost around Jan 26NOAA 1991–2020 normals, Los Banos (1.5 mi, 50% dates)~2 months
- Kaiser Pass Road · 96 mi · Local timing: Sep 25–Nov 30Fall foliage · in its window now
- Wildflowers · San Luis Refuge · 16 miLocal timing: Apr 1–30~6 months
Los Banos's nature year
- Spring green-upJan
- Last spring frostJan
- Wildflowers · San Luis RefugeApr
- Fall color (CA)Oct
- First fall frostDec
Nearby, season by season
Fall foliage
- Yosemite · 78 miusually Oct 11–31~13 days
- Kaiser Pass Road · 96 miLocal timing: Sep 25–Nov 30
Wildflowers
- San Luis Refuge · 16 miLocal timing: Apr 1–30~6 months
- Pinnacles · 41 miusually Mar 1–May 31~5 months
- San Joaquin River Refuge · 46 miLocal timing: Apr 1–30~6 months
Frost and green-up
Last spring frost
Jan 26
Average (50% date)
First fall frost
Dec 10
About 318 days without frost between
Spring green-up
Jan 31
First bloom around Mar 1
Frost: NOAA 1991–2020 climate normals at Los Banos (1.5 mi from Los Banos), 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 Los Banos?
On average around Dec 10, and the last spring frost around Jan 26: about 318 days without frost between. These are NOAA's 1991–2020 normals at Los Banos, 1.5 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Los Banos?
The USA-NPN Spring Index puts first leaf around Jan 31 and first bloom around Mar 1, on average for 1991–2020 at the town.
Where can I see fall foliage near Los Banos?
Yosemite, 78 miles (usually Oct 11–31); Kaiser Pass Road, 96 miles (local timing: Sep 25–Nov 30). Distances are straight-line.
Where can I see wildflowers near Los Banos?
San Luis Refuge, 16 miles (local timing: Apr 1–30); Pinnacles, 41 miles (usually Mar 1–May 31); San Joaquin River Refuge, 46 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)