Adelanto reaches 100° on about 42 days a year, more than all but 186 U.S. towns
A typical July afternoon reaches 97°, a January night drops to 35°, and snow is almost unheard of.
A year in Adelanto at a glance
Each month’s typical high and low, and what it brings.
What stands out about Adelanto’s climate
Compared with towns across the U.S., with Adelanto’s place in California beside it.
What a year in Adelanto feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 233 frost-free days a year
In half of years the last 32° night comes by March 18 and the first by November 11. Frost and day counts come from NOAA’s station at Victorville, CA, 9 miles from the town’s center, at about the same height.
The 2023 USDA map puts Adelanto’s center in zone 8b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 18°. 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 5 inches of rain a year
February is the wettest month and June the driest. Rain falls on about 25 days a year. Snow is rare: about 0.0" in a normal year at Victorville, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Adelanto
62% 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 Victorville, CA.
Living with Adelanto’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
233 frost-free days in zone 8b. The last frost comes by Mar 18 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 11.
Months with highs of 62–84° and lows of 40° or more: March, April, May and October. 143 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Adelanto from natural hazards, river flooding is the largest share (62%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Adelanto and its neighbors
Every town next door is within a degree of Adelanto in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Adelanto’s, 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 |
|---|---|---|---|---|
| Adelanto, CA | 35° | 97° | 5" | 0.0" |
| Canutillo, TX | 32° | 96° | 9" | 0.0" |
| Anthony, NM | 31° | 96° | 9" | 0.0" |
| Thatcher, AZ | 31° | 99° | 9" | 0.2" |
| Ivins, UT | 32° | 100° | 11" | 1.2" |
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 Adelanto averaged 1.8° warmer than the 1900s. The biggest change is in January (+2.7°).
A bigger shift than in 82% 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 Adelanto compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Adelanto’s place among California’s.
Adelanto weather by month
Highs, lows and precipitation from NOAA’s grid at Adelanto’s center; snow, wet days and snow on the ground from Victorville, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 59° | 35° | 1.1" | 0.0" | 5 | 0 | 43° – 52° |
| February | 62° | 37° | 1.1" | 0.0" | 5 | 0 | 43° – 56° |
| March | 67° | 41° | 0.6" | 0.0" | 4 | 0 | 48° – 60° |
| April | 73° | 44° | 0.2" | 0.0" | 2 | 0 | 53° – 62° |
| May | 81° | 51° | 0.1" | 0.0" | 1 | 0 | 57° – 72° |
| June | 91° | 58° | 0.0" | 0.0" | 0 | 0 | 68° – 79° |
| July | 97° | 65° | 0.3" | 0.0" | 1 | 0 | 76° – 85° |
| August | 97° | 64° | 0.1" | 0.0" | 1 | 0 | 77° – 84° |
| September | 90° | 58° | 0.2" | 0.0" | 1 | 0 | 70° – 78° |
| October | 79° | 49° | 0.2" | 0.0" | 1 | 0 | 60° – 69° |
| November | 67° | 39° | 0.3" | 0.0" | 2 | 0 | 45° – 58° |
| December | 58° | 33° | 0.8" | 0.0" | 4 | 0 | 42° – 49° |
| Year | 77° | 48° | 4.9" | 0.0" | 25 | 0 |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 57° to 72°. December is the most reliable, staying within 7°.
Where Adelanto’s 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 Adelanto’s center.
- Snow: Victorville, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Victorville, CA, 9 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 Adelanto’s climate
What is the weather like in Adelanto?
A typical July afternoon reaches 97°, a January night drops to 35°, and snow is almost unheard of. Milder January nights than 80% of U.S. towns; hotter July afternoons than 98% of U.S. towns.
How cold does it get in Adelanto in winter?
December nights average 33°. About 54 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 42°.
How much snow does Adelanto get?
About 0.0 inches in a normal winter at Victorville, CA, so most winters see none.
How hot does it get in Adelanto?
July, with a typical high of 97° and a low of 65°. About 119 days a year reach 90° and 42 reach 100° (Victorville, CA).
When is the first and last frost in Adelanto?
In half of years the last spring frost (32°) comes by March 18 and the first fall frost by November 11, about 233 frost-free days, at Victorville, CA.
What growing zone is Adelanto in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 18°.
What is the best time of year to visit Adelanto?
By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Adelanto getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Adelanto.
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.