Your nature year
Spanish Fork, Utahthrough the year
When do frost, green-up and fall color come to Spanish Fork?
For a day trip, Fish Springs Refuge is 95 miles off; its fall & winter wildlife is mid-October into January (local timing). Bear River Refuge (99 mi) is the pick for spring migration, early April through mid-May (local timing).
Frost usually lets go around Apr 25 and comes back around Oct 18, according to the Spanish Fk Pwr House weather station (3.1 mi): roughly 176 days without it. Spring takes about 5 weeks to go from leaf to bloom. Leaves usually come out around Mar 26 and the first flowers around Apr 30. We follow 4 places within 150 miles of Spanish Fork; the nearest lies 95 miles to the west.
Checked against 3 official sources · How we check →
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 Spanish Fork right now
- First fall frost usually around Oct 18 · last spring frost around Apr 25NOAA 1991–2020 normals, Spanish Fk Pwr House (3.1 mi, 50% dates)~2 weeks
- In season nearby: Fall foliage1 place in its usual window now, listed belowIn season
- Fall & winter wildlife · next season nearby · 95 miLocal timing: mid-October into January~12 days
Places near Spanish Fork

Tundra swans in UtahWildlife refuge
95 mi
Season: Mid-October into JanuaryU.S. Fish and Wildlife Service ↗

Shorebirds in UtahWildlife refuge
99 mi
Season: Early April through mid-MayU.S. Fish and Wildlife Service ↗

Fall color in UtahNational park
128 mi
Regional timing: Mid-September through OctoberNational Park Service ↗

Spanish Fork's nature year
| Month | What to see | Where |
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Spanish Fork's year at a glance
- Frost possible
- Frost-free, ~Apr 25 to ~Oct 18
- First leaf ~Mar 26
- First bloom ~Apr 30
- Today
Frost and green-up
Last spring frost
Apr 25
Average (50% date)
First fall frost
Oct 18
About 176 days without frost between
Spring green-up
Mar 26
First bloom around Apr 30
Frost: NOAA 1991–2020 climate normals at Spanish Fk Pwr House (3.1 mi from Spanish Fork), 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 Spanish Fork
Snow usually becomes possible around Nov 15 (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 Spanish Fk Pwr House (3.1 mi away): 66 inches of snow in an average year, about 22.1 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 Spanish Fork?
On average around Oct 18, and the last spring frost around Apr 25: about 176 days without frost between. These are NOAA's 1991–2020 normals at Spanish Fk Pwr House, 3.1 miles away (the day a 32 °F night is as likely as not).
When does spring green-up reach Spanish Fork?
The USA-NPN Spring Index puts first leaf around Mar 26 and first bloom around Apr 30, on average for 1991–2020 at the town.
Where can I see fall foliage near Spanish Fork?
The nearest is Capitol Reef (128 miles). Capitol Reef: regional timing: about mid-September through October. Distances are straight-line.
Where can I see spring migration near Spanish Fork?
The nearest is Bear River Refuge (99 miles). Bear River Refuge: local timing: early April through mid-May. Distances are straight-line.
When does it start snowing in Spanish Fork?
Snow usually becomes possible around Nov 15. That date is our calculation from NOAA's daily snow chances: the first day the chance of 0.1" or more of snow reaches 10%, at Spanish Fk Pwr House. An average year brings 66 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)