Owyhee’s winters are colder than most of the U.S.; July afternoons average 88°
A typical July afternoon reaches 88°, a January night drops to 18°.
A year in Owyhee at a glance
Each month’s typical high and low, and what it brings.
What stands out about Owyhee’s climate
Compared with towns across the U.S., with Owyhee’s place in Nevada beside it.
What a year in Owyhee feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 16 inches of rain a year
May is the wettest month and August the driest.
Rain + melted snow by month
Inches of water
Living with Owyhee’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 6a.
Months with highs of 62–84° and lows of 40° or more: June and September. 116 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Owyhee 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 →Owyhee and similar climates
TownRatings has no climate map of the towns around Owyhee 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 Owyhee averaged 1.1° warmer than the 1900s. The biggest change is in January (+2.8°).
A smaller shift than in 68% 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 Owyhee compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Owyhee’s place among Nevada’s.
Owyhee weather by month
Highs, lows and precipitation from NOAA’s grid at Owyhee’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 40° | 18° | 1.6" | 22° – 37° |
| February | 43° | 21° | 1.2" | 27° – 40° |
| March | 50° | 26° | 1.8" | 33° – 44° |
| April | 56° | 30° | 2.2" | 38° – 48° |
| May | 66° | 37° | 2.2" | 44° – 58° |
| June | 76° | 44° | 1.1" | 55° – 66° |
| July | 88° | 51° | 0.4" | 59° – 73° |
| August | 86° | 50° | 0.3" | 63° – 73° |
| September | 77° | 41° | 0.8" | 55° – 62° |
| October | 63° | 31° | 1.2" | 40° – 53° |
| November | 48° | 24° | 1.4" | 26° – 42° |
| December | 40° | 18° | 2.0" | 24° – 32° |
| Year | 61° | 33° | 16.2" |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 26° to 42°. September is the most reliable, staying within 7°.
Where Owyhee’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 Owyhee’s center.
- 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 Owyhee’s climate
What is the weather like in Owyhee?
A typical July afternoon reaches 88°, a January night drops to 18°. Colder January nights than 68% of U.S. towns; hotter July afternoons than 65% of U.S. towns.
How cold does it get in Owyhee in winter?
December nights average 18°. In the coldest December of the last 30 years the month averaged 24°.
How hot does it get in Owyhee?
July, with a typical high of 88°. 90° days are rare.
What growing zone is Owyhee in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Owyhee?
By one simple rule (highs of 62–84° and lows of 40° or more), June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Owyhee getting warmer?
Yes: 1991–2020 averaged 1.1° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 68% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Owyhee.
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.