Photo: Public domain · Public domainUmapine is among the driest of U.S. towns: 13 inches of precipitation a year
Peak summer warmth arrives in July, with afternoons near 91°. December is the wettest month here, with about 5.7 times the rain of July. Summer afternoons here are warmer than in 82% of U.S. towns. The frost-free window for a garden runs roughly March 25 to October 29.
A year in Umapine at a glance
Each month’s typical high and low, and what it brings.
What stands out about Umapine’s climate
Compared with towns across the U.S., with Umapine’s place in Oregon beside it.
What a year in Umapine feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 218 frost-free days a year
In half of years the last 32° night comes by March 25 and the first by October 29. Frost and day counts come from NOAA’s station at Milton Freewater, OR, 5 miles from the town’s center, 290 ft higher.
The 2023 USDA map puts Umapine’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 5°. 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 7 inches of snow a winter
Snow, measured at Milton Freewater, OR, falls mostly in December. Precipitation (rain plus melted snow) adds up to 13 inches a year; December is the wettest month and July the driest. Rain or snow falls on about 83 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Umapine
81% of the work is heating. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Milton Freewater, OR.
Living with Umapine’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
218 frost-free days in zone 7a. The last frost comes by Mar 25 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 29.
Months with highs of 62–84° and lows of 40° or more: April, May, June and September.
Parks & trails →Of the yearly building losses FEMA expects in Umapine from natural hazards, river flooding is the largest share (59%); heat waves, cold waves, winter storms and ice storms together are 22%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Umapine and similar climates
TownRatings has no climate map of the towns around Umapine yet.
Climates most like Umapine’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 |
|---|---|---|---|---|
| Umapine, OR | 30° | 91° | 13" | 7.2" |
| Prescott Valley, AZ | 26° | 91° | 14" | 10" |
| Spanish Springs, NV | 25° | 91° | 10" | 6.8" |
| Alpine, TX | 30° | 90° | 15" | 2.2" |
| Portales, NM | 25° | 93° | 16" | 7.6" |
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 Umapine averaged 1.4° warmer than the 1900s. The biggest change is in January (+4.0°).
A bigger shift than in 52% 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 Umapine compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Umapine’s place among Oregon’s.
Umapine weather by month
Highs, lows and precipitation from NOAA’s grid at Umapine’s center; snow, wet days and snow on the ground from Milton Freewater, OR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 43° | 30° | 1.5" | 2.4" | 10 | 24° – 44° |
| February | 49° | 31° | 1.2" | 1.3" | 9 | 28° – 46° |
| March | 58° | 35° | 1.2" | 0.1" | 10 | 37° – 51° |
| April | 66° | 40° | 1.3" | 0.0" | 9 | 48° – 58° |
| May | 74° | 47° | 1.4" | 0.0" | 8 | 56° – 66° |
| June | 81° | 53° | 1.0" | 0.0" | 6 | 63° – 75° |
| July | 91° | 59° | 0.3" | 0.0" | 2 | 68° – 80° |
| August | 90° | 58° | 0.3" | 0.0" | 2 | 69° – 76° |
| September | 80° | 50° | 0.5" | 0.0" | 3 | 62° – 70° |
| October | 66° | 40° | 1.1" | 0.0" | 6 | 48° – 59° |
| November | 51° | 33° | 1.4" | 0.3" | 10 | 36° – 49° |
| December | 42° | 29° | 1.5" | 3.1" | 10 | 28° – 40° |
| Year | 66° | 42° | 12.6" | 7.2" | 83 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 24° to 44°. August is the most reliable, staying within 7°.
Where Umapine’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 Umapine’s center.
- Snow: Milton Freewater, OR.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Milton Freewater, OR, 5 miles from the town’s center, 290 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 Umapine’s climate
What is the weather like in Umapine?
A typical July afternoon reaches 91°, a January night drops to 30°, and about 7 inches of snow falls in a normal winter. Milder January nights than 72% of U.S. towns; hotter July afternoons than 82% of U.S. towns.
How cold does it get in Umapine in winter?
December nights average 29°. About 74 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 28°.
How much snow does Umapine get?
About 7.2 inches in a normal winter at Milton Freewater, OR, most of it in December.
How hot does it get in Umapine?
July, with a typical high of 91° and a low of 59°. About 39 days a year reach 90° and 4 reach 100° (Milton Freewater, OR).
When is the first and last frost in Umapine?
In half of years the last spring frost (32°) comes by March 25 and the first fall frost by October 29, about 218 frost-free days, at Milton Freewater, OR.
What growing zone is Umapine in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 5°.
What is the best time of year to visit Umapine?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Umapine getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 52% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Umapine.
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.