Photo: Visitor7 · CC BY-SA 3.0Few U.S. towns get less rain and snow than Unity: 11 inches a year
The coldest hours of a January night bottom out at 15° on average. Winter nights are cold: in January they are colder than in 83% of U.S. towns. Warming shows here too: 1.6° more than in 1901–2000, led by January. Homes need heating from October to April, the months averaging under 50°.
A year in Unity at a glance
Each month’s typical high and low, and what it brings.
What stands out about Unity’s climate
Compared with towns across the U.S., with Unity’s place in Oregon beside it.
What a year in Unity 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 245 nights a year fall to 32° or below, and 12 to 0° or below. Frost and day counts come from NOAA’s station at Austin 3 S, OR, 17 miles from the town’s center, 250 ft higher.
The 2023 USDA map puts Unity’s center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −11°. 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 11 inches of rain a year
December is the wettest month and September the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Unity
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 Austin 3 S, OR.
Living with Unity’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 74 days.
Months with highs of 62–84° and lows of 40° or more: June.
Parks & trails →Of the yearly building losses FEMA expects in Unity from natural hazards, wildfire is the largest share (44%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Unity and similar climates
TownRatings has no climate map of the towns around Unity 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 Unity averaged 1.6° warmer than the 1900s. The biggest change is in January (+3.6°).
A bigger shift than in 63% 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 Unity compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Unity’s place among Oregon’s.
Unity weather by month
Highs, lows and precipitation from NOAA’s grid at Unity’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 37° | 15° | 1.3" | 18° – 31° |
| February | 42° | 18° | 0.6" | 23° – 37° |
| March | 51° | 25° | 0.9" | 33° – 44° |
| April | 58° | 29° | 1.0" | 38° – 50° |
| May | 67° | 36° | 1.4" | 45° – 57° |
| June | 75° | 41° | 1.1" | 54° – 66° |
| July | 87° | 47° | 0.5" | 56° – 72° |
| August | 86° | 45° | 0.5" | 61° – 69° |
| September | 77° | 38° | 0.4" | 54° – 62° |
| October | 62° | 29° | 0.8" | 39° – 53° |
| November | 46° | 23° | 1.0" | 27° – 40° |
| December | 36° | 15° | 1.5" | 19° – 30° |
| Year | 60° | 30° | 11.0" |
How much a month can swing
A normal is an average. July swings the most: from 1991 to 2020 its average ranged from 56° to 72°. September is the most reliable, staying within 8°.
Where Unity’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 Unity’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Austin 3 S, OR, 17 miles from the town’s center, 250 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 Unity’s climate
What is the weather like in Unity?
A typical July afternoon reaches 87°, a January night drops to 15°. Colder January nights than 83% of U.S. towns; hotter July afternoons than 60% of U.S. towns.
How cold does it get in Unity in winter?
January nights average 15°. About 245 nights a year reach 32° or below and 12 reach 0° or below. In the coldest January of the last 30 years the month averaged 18°.
How hot does it get in Unity?
July, with a typical high of 87° and a low of 47°. About 21 days a year reach 90° (Austin 3 S, OR).
When is the first and last frost in Unity?
There is no reliable frost-free season: at Austin 3 S, OR, every month has nights at 32° or below, about 245 a year. In half of years the longest stretch without a freeze is about 74 days.
What growing zone is Unity in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −11°.
What is the best time of year to visit Unity?
By one simple rule (highs of 62–84° and lows of 40° or more), June. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Unity getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 63% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Unity.
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.