Photo: Lost_Hills,_California_western_city_limit_sign_(2011).jpg: Amin Eshaiker derivative work: Amineshaker · CC BY-SA 3.0Lost Hills reaches 100° on about 50 days a year, more than all but 151 U.S. towns
A typical July afternoon reaches 97°, a January night drops to 39°, and snow is almost unheard of.
A year in Lost Hills at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lost Hills’ climate
Compared with towns across the U.S., with Lost Hills’ place in California beside it.
What a year in Lost Hills feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 315 frost-free days a year
In half of years the last 32° night comes by January 31 and the first by December 5. Frost and day counts come from NOAA’s station at Wasco, CA, 19 miles from the town’s center, at about the same height.
The 2023 USDA map puts Lost Hills’ center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 26°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 7 inches of rain a year
January is the wettest month and August the driest. Rain falls on about 32 days a year. Snow is rare: about 0.0" in a normal year at Buttonwillow, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Lost Hills
46% of the work is heating, so air conditioning is the bigger bill. Months averaging under 55° run from December through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Wasco, CA.
Living with Lost Hills’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
315 frost-free days in zone 9b. The last frost comes by Jan 31 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 5.
Months with highs of 62–84° and lows of 40° or more: February, March, April, May, October and November. 0.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lost Hills from natural hazards, earthquakes are the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 19%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Lost Hills and similar climates
TownRatings has no climate map of the towns around Lost Hills yet.
Climates most like Lost Hills’, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Lost Hills, CA | 39° | 97° | 7" | 0.0" |
| Sahuarita, AZ | 37° | 99° | 12" | 0.1" |
| Canutillo, TX | 32° | 96° | 9" | 0.0" |
| Anthony, NM | 31° | 96° | 9" | 0.0" |
| Summerlin South, NV | 35° | 102° | 5" | 0.2" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Lost Hills averaged 1.7° warmer than the 1900s. The biggest change is in January (+2.5°).
A bigger shift than in 72% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Lost Hills compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lost Hills’ place among California’s.
Lost Hills weather by month
Highs, lows and precipitation from NOAA’s grid at Lost Hills’ center; snow, wet days and snow on the ground from Buttonwillow, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 58° | 39° | 1.4" | 0.0" | 6 | 0 | 43° – 53° |
| February | 64° | 42° | 1.3" | 0.0" | 6 | 0 | 49° – 57° |
| March | 70° | 45° | 1.2" | 0.0" | 5 | 0 | 51° – 63° |
| April | 76° | 48° | 0.5" | 0.0" | 3 | 0 | 58° – 66° |
| May | 84° | 55° | 0.3" | 0.0" | 2 | 0 | 61° – 78° |
| June | 92° | 61° | 0.0" | 0.0" | 0 | 0 | 71° – 80° |
| July | 97° | 66° | 0.0" | 0.0" | 0 | 0 | 78° – 86° |
| August | 96° | 65° | 0.0" | 0.0" | 0 | 0 | 77° – 84° |
| September | 91° | 61° | 0.0" | 0.0" | 0 | 0 | 71° – 79° |
| October | 81° | 52° | 0.4" | 0.0" | 2 | 0 | 62° – 71° |
| November | 67° | 43° | 0.5" | 0.0" | 3 | 0 | 49° – 59° |
| December | 58° | 37° | 1.1" | 0.0" | 5 | 0 | 44° – 53° |
| Year | 78° | 51° | 6.8" | 0.0" | 32 | 0 |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 61° to 78°. August is the most reliable, staying within 7°.
Where Lost Hills’ numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Lost Hills’ center.
- Snow: Buttonwillow, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wasco, CA, 19 miles from the town’s center, at about the same height; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Lost Hills’ climate
What is the weather like in Lost Hills?
A typical July afternoon reaches 97°, a January night drops to 39°, and snow is almost unheard of. Milder January nights than 86% of U.S. towns; hotter July afternoons than 98% of U.S. towns.
How cold does it get in Lost Hills in winter?
December nights average 37°. About 25 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 44°.
How much snow does Lost Hills get?
About 0.0 inches in a normal winter at Buttonwillow, CA, so most winters see none.
How hot does it get in Lost Hills?
July, with a typical high of 97° and a low of 66°. About 126 days a year reach 90° and 50 reach 100° (Wasco, CA).
When is the first and last frost in Lost Hills?
In half of years the last spring frost (32°) comes by January 31 and the first fall frost by December 5, about 315 frost-free days, at Wasco, CA.
What growing zone is Lost Hills in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 26°.
What is the best time of year to visit Lost Hills?
By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lost Hills getting warmer?
Yes: 1991–2020 averaged 1.7° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 72% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lost Hills.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.