Oak Hills sits near the bottom of U.S. towns for precipitation, with 8 inches a year
High summer brings afternoon highs near 92°. Temperatures cover 56° across the year, low to high. Summer afternoons here are warmer than in 88% of U.S. towns. Warm coats and heating bills mark the months from December to February, when means dip under 50°.
A year in Oak Hills at a glance
Each month’s typical high and low, and what it brings.
What stands out about Oak Hills’ climate
Compared with towns across the U.S., with Oak Hills’ place in California beside it.
What a year in Oak Hills feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 270 frost-free days a year
In half of years the last 32° night comes by February 28 and the first by December 1. Frost and day counts come from Hesperia 2e, CA, 8 miles away.
The 2023 USDA map puts Oak Hills’ center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 20°. 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 8 inches of rain a year
February is the wettest month and June the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Oak Hills
56% of the work is heating. Months averaging under 55° run from November through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Hesperia 2e, CA.
Living with Oak Hills’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
270 frost-free days in zone 8b. The last frost comes by Feb 28 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 1.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 77 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Oak Hills from natural hazards, earthquakes are the largest share (49%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Oak Hills and its neighbors
Victorville has the coldest January nights next door (35°, 2° colder) and Victorville the hottest July afternoons (97°, 4° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Oak Hills averaged 1.9° warmer than the 1900s. The biggest change is in January (+2.7°).
A bigger shift than in 86% 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 Oak Hills compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Oak Hills’ place among California’s.
Oak Hills weather by month
Highs, lows and precipitation from NOAA’s grid at Oak Hills’ center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 57° | 38° | 1.8" | 43° – 54° |
| February | 58° | 39° | 1.9" | 42° – 55° |
| March | 64° | 41° | 1.0" | 46° – 60° |
| April | 69° | 44° | 0.4" | 51° – 61° |
| May | 77° | 50° | 0.1" | 56° – 70° |
| June | 87° | 58° | 0.0" | 66° – 77° |
| July | 92° | 65° | 0.3" | 73° – 83° |
| August | 92° | 65° | 0.1" | 76° – 82° |
| September | 86° | 61° | 0.2" | 70° – 78° |
| October | 76° | 51° | 0.3" | 60° – 69° |
| November | 64° | 43° | 0.5" | 46° – 59° |
| December | 56° | 36° | 1.3" | 42° – 50° |
| Year | 73° | 49° | 7.8" |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 56° to 70°. August is the most reliable, staying within 7°.
Where Oak 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 Oak Hills’ center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hesperia 2e, CA, 8 miles from the town’s center, 710 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Oak Hills’ climate
What is the weather like in Oak Hills?
A typical July afternoon reaches 92°, a January night drops to 38°. Milder January nights than 85% of U.S. towns; hotter July afternoons than 88% of U.S. towns.
How cold does it get in Oak Hills in winter?
December nights average 36°. About 32 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 42°.
How hot does it get in Oak Hills?
July, with a typical high of 92° and a low of 65°. About 108 days a year reach 90° and 26 reach 100° (Hesperia 2e, CA).
When is the first and last frost in Oak Hills?
In half of years the last spring frost (32°) comes by February 28 and the first fall frost by December 1, about 270 frost-free days, at Hesperia 2e, CA.
What growing zone is Oak Hills in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 20°.
What is the best time of year to visit Oak Hills?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Oak Hills getting warmer?
Yes: 1991–2020 averaged 1.9° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 86% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Oak 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.