Photo: Stan Shebs · CC BY-SA 3.0Blue Diamond reaches 100° on about 18 days a year, more than 95% of U.S. towns
A typical July afternoon reaches 98°, a January night drops to 34°, and about 3 inches of snow falls in a normal winter.
A year in Blue Diamond at a glance
Each month’s typical high and low, and what it brings.
What stands out about Blue Diamond’s climate
Compared with towns across the U.S., with Blue Diamond’s place in Nevada beside it.
What a year in Blue Diamond feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 244 frost-free days a year
In half of years the last 32° night comes by March 13 and the first by November 15. Frost and day counts come from NOAA’s station at Red Rock Canyon - Spg Mt Rch S, NV, 3 miles from the town’s center, 140 ft higher.
The 2023 USDA map puts Blue Diamond’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 3 inches of snow a winter
Snow, measured at Red Rock Canyon - Spg Mt Rch S, NV, falls mostly in January. Precipitation (rain plus melted snow) adds up to 7 inches a year; February is the wettest month and June the driest. Rain or snow falls on about 30 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Blue Diamond
61% 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 Red Rock Canyon - Spg Mt Rch S, NV.
Living with Blue Diamond’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
244 frost-free days in zone 8b. The last frost comes by Mar 13 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 15.
Months with highs of 62–84° and lows of 40° or more: March, April, May, October and November. 66 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Blue Diamond from natural hazards, avalanches are the largest share (36%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Blue Diamond and similar climates
TownRatings has no climate map of the towns around Blue Diamond yet.
Climates most like Blue Diamond’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 |
|---|---|---|---|---|
| Blue Diamond, NV | 34° | 98° | 7" | 2.6" |
| Rosamond, CA | 33° | 98° | 8" | 1.2" |
| Socorro, TX | 31° | 97° | 9" | 2.8" |
| Sunland Park, NM | 32° | 96° | 9" | 2.0" |
| Thatcher, AZ | 31° | 99° | 9" | 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 Blue Diamond averaged 1.8° warmer than the 1900s. The biggest change is in January (+2.8°).
A bigger shift than in 80% 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 Blue Diamond compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Blue Diamond’s place among Nevada’s.
Blue Diamond weather by month
Highs, lows and precipitation from NOAA’s grid at Blue Diamond’s center; snow, wet days and snow on the ground from Red Rock Canyon - Spg Mt Rch S, NV. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 55° | 34° | 1.1" | 0.9" | 4 | 40° – 51° |
| February | 58° | 37° | 1.4" | 0.4" | 5 | 41° – 55° |
| March | 66° | 43° | 0.8" | 0.5" | 4 | 47° – 61° |
| April | 72° | 49° | 0.3" | 0.1" | 2 | 54° – 65° |
| May | 82° | 57° | 0.1" | 0.0" | 1 | 63° – 76° |
| June | 93° | 67° | 0.1" | 0.0" | 1 | 73° – 85° |
| July | 98° | 74° | 0.6" | 0.0" | 3 | 82° – 89° |
| August | 97° | 72° | 0.5" | 0.0" | 2 | 81° – 88° |
| September | 89° | 63° | 0.4" | 0.0" | 2 | 73° – 80° |
| October | 77° | 52° | 0.5" | 0.0" | 2 | 60° – 71° |
| November | 63° | 40° | 0.5" | 0.0" | 2 | 44° – 57° |
| December | 53° | 33° | 0.8" | 0.7" | 3 | 39° – 48° |
| Year | 75° | 52° | 7.2" | 2.6" | 30 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 41° to 55°. August is the most reliable, staying within 7°.
Where Blue Diamond’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 Blue Diamond’s center.
- Snow: Red Rock Canyon - Spg Mt Rch S, NV.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Red Rock Canyon - Spg Mt Rch S, NV, 3 miles from the town’s center, 140 ft higher; 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 Blue Diamond’s climate
What is the weather like in Blue Diamond?
A typical July afternoon reaches 98°, a January night drops to 34°, and about 3 inches of snow falls in a normal winter. Milder January nights than 79% of U.S. towns; hotter July afternoons than all but 187 U.S. towns.
How cold does it get in Blue Diamond in winter?
December nights average 33°. About 75 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 39°.
How much snow does Blue Diamond get?
About 2.6 inches in a normal winter at Red Rock Canyon - Spg Mt Rch S, NV, most of it in January.
How hot does it get in Blue Diamond?
July, with a typical high of 98° and a low of 74°. About 93 days a year reach 90° and 18 reach 100° (Red Rock Canyon - Spg Mt Rch S, NV).
When is the first and last frost in Blue Diamond?
In half of years the last spring frost (32°) comes by March 13 and the first fall frost by November 15, about 244 frost-free days, at Red Rock Canyon - Spg Mt Rch S, NV.
What growing zone is Blue Diamond 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 Blue Diamond?
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 Blue Diamond getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 80% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Blue Diamond.
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.