Photo: Famartin · CC BY-SA 3.0Mountain City is drier than 93% of U.S. towns: 15 inches of precipitation a year
Expect July afternoons of about 84°. Its January nights bite harder than in 85% of U.S. towns. The latest 30-year average runs 1.1° warmer than 1901–2000’s, with January up the most. Warm coats and heating bills mark the months from October to May, when means dip under 50°.
A year in Mountain City at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mountain City’s climate
Compared with towns across the U.S., with Mountain City’s place in Nevada beside it.
What a year in Mountain City feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
A freeze is possible in every month
About 263 nights a year fall to 32° or below, and 41 to 0° or below. Frost and day counts come from Wild Horse Reservoir, NV, 16 miles away.
The 2023 USDA map puts Mountain City’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −12°. 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 15 inches of rain a year
May is the wettest month and August the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Mountain City
99% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Wild Horse Reservoir, NV.
Living with Mountain City’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 5b, and frost can come in any month. The longest frost-free stretch in half of years is about 35 days.
Months with highs of 62–84° and lows of 40° or more: August.
Parks & trails →Of the yearly building losses FEMA expects in Mountain City from natural hazards, wildfire is the largest share (76%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Mountain City and similar climates
TownRatings has no climate map of the towns around Mountain City yet.
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 Mountain City averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.8°).
A smaller shift than in 71% 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 Mountain City compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mountain City’s place among Nevada’s.
Mountain City weather by month
Highs, lows and precipitation from NOAA’s grid at Mountain City’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 38° | 15° | 1.3" | 20° – 34° |
| February | 40° | 17° | 1.1" | 24° – 37° |
| March | 47° | 23° | 1.4" | 30° – 42° |
| April | 53° | 28° | 1.8" | 35° – 46° |
| May | 63° | 35° | 2.2" | 41° – 54° |
| June | 73° | 40° | 1.1" | 52° – 63° |
| July | 84° | 46° | 0.5" | 55° – 69° |
| August | 83° | 45° | 0.4" | 59° – 69° |
| September | 74° | 37° | 0.8" | 52° – 59° |
| October | 60° | 28° | 1.1" | 38° – 50° |
| November | 46° | 22° | 1.3" | 24° – 40° |
| December | 38° | 14° | 1.7" | 21° – 30° |
| Year | 58° | 29° | 14.8" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 24° to 40°. September is the most reliable, staying within 7°.
Where Mountain City’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 Mountain City’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Wild Horse Reservoir, NV, 16 miles from the town’s center, 590 ft higher; 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 Mountain City’s climate
What is the weather like in Mountain City?
A typical July afternoon reaches 84°, a January night drops to 15°. Colder January nights than 85% of U.S. towns; cooler July afternoons than 57% of U.S. towns.
How cold does it get in Mountain City in winter?
December nights average 14°. About 263 nights a year reach 32° or below and 41 reach 0° or below. In the coldest December of the last 30 years the month averaged 21°.
How hot does it get in Mountain City?
July, with a typical high of 84° and a low of 46°. About 12 days a year reach 90° (Wild Horse Reservoir, NV).
When is the first and last frost in Mountain City?
There is no reliable frost-free season: at Wild Horse Reservoir, NV, every month has nights at 32° or below, about 263 a year. In half of years the longest stretch without a freeze is about 35 days.
What growing zone is Mountain City in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −12°.
What is the best time of year to visit Mountain City?
By one simple rule (highs of 62–84° and lows of 40° or more), August. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Mountain City getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 71% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Mountain City.
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.