DeMoss Springs Park · Photo: Ian Poellet · CC BY-SA 3.0Moro is among the driest of U.S. towns: 12 inches of precipitation a year
The warmest part of a July day comes in at 85° on average. A year here swings 59° from midwinter lows to midsummer highs. In January, nights here are milder than in 68% of U.S. towns. If you like long walks, May, June and September offer highs of 68–76°.
A year in Moro at a glance
Each month’s typical high and low, and what it brings.
What stands out about Moro’s climate
Compared with towns across the U.S., with Moro’s place in Oregon beside it.
What a year in Moro feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 143 frost-free days a year
In half of years the last 32° night comes by May 12 and the first by October 4. Frost and day counts come from NOAA’s station at Moro, OR, 0.5 miles from the town’s center, at about the same height.
The 2023 USDA map puts Moro’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 3°. 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 17 inches of snow a winter
Snow, measured at Moro, OR, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 12 inches a year; December is the wettest month and July the driest. Rain or snow falls on about 90 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Moro
94% of the work is heating, so the furnace matters far more than the air conditioner. 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 Moro, OR.
Living with Moro’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
143 frost-free days in zone 7a. The last frost comes by May 12 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 4.
Months with highs of 62–84° and lows of 40° or more: May, June and September.
Parks & trails →Of the yearly building losses FEMA expects in Moro from natural hazards, wildfire is the largest share (58%); heat waves, cold waves, winter storms and ice storms together are 8%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Moro and similar climates
TownRatings has no climate map of the towns around Moro yet.
Climates most like Moro’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 |
|---|---|---|---|---|
| Moro, OR | 27° | 85° | 12" | 17" |
| Indian Hills, NV | 25° | 86° | 14" | 14" |
| Silver City, NM | 26° | 87° | 16" | 13" |
| Hamilton, MT | 20° | 86° | 13" | 17" |
| Show Low, AZ | 19° | 86° | 15" | 19" |
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 Moro averaged 1.5° warmer than the 1900s. The biggest change is in January (+4.0°).
A bigger shift than in 60% 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 Moro compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Moro’s place among Oregon’s.
Moro weather by month
Highs, lows and precipitation from NOAA’s grid at Moro’s center; snow, wet days and snow on the ground from Moro, OR. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 40° | 27° | 1.6" | 5.3" | 11 | 10 | 22° – 39° |
| February | 45° | 29° | 1.2" | 2.5" | 9 | 4 | 26° – 42° |
| March | 52° | 32° | 1.1" | 0.7" | 10 | 1 | 34° – 48° |
| April | 59° | 36° | 1.1" | 0.0" | 9 | 0 | 42° – 54° |
| May | 68° | 42° | 1.1" | 0.0" | 8 | 0 | 50° – 61° |
| June | 75° | 48° | 0.7" | 0.0" | 5 | 0 | 57° – 70° |
| July | 85° | 54° | 0.2" | 0.0" | 2 | 0 | 62° – 74° |
| August | 85° | 54° | 0.2" | 0.0" | 2 | 0 | 64° – 74° |
| September | 76° | 48° | 0.4" | 0.0" | 3 | 0 | 59° – 66° |
| October | 62° | 39° | 1.1" | 0.2" | 8 | 0 | 46° – 56° |
| November | 48° | 31° | 1.6" | 2.2" | 12 | 2 | 33° – 46° |
| December | 39° | 26° | 1.9" | 5.7" | 12 | 7 | 27° – 37° |
| Year | 61° | 39° | 12.2" | 16.6" | 90 | 24 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 22° to 39°. September is the most reliable, staying within 7°.
Where Moro’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 Moro’s center.
- Snow: Moro, OR (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Moro, OR, 0.5 miles from the town’s center, at about the same height; 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 Moro’s climate
What is the weather like in Moro?
A typical July afternoon reaches 85°, a January night drops to 27°, and about 17 inches of snow falls in a normal winter. Milder January nights than 68% of U.S. towns; hotter July afternoons than 51% of U.S. towns.
How cold does it get in Moro in winter?
December nights average 26°. About 126 nights a year reach 32° or below and 1 reach 0° or below. In the coldest December of the last 30 years the month averaged 27°.
How much snow does Moro get?
About 17 inches in a normal winter at Moro, OR, most of it in January and December, with snow on the ground about 24 days a year.
How hot does it get in Moro?
July, with a typical high of 85° and a low of 54°. About 22 days a year reach 90° and 2 reach 100° (Moro, OR).
When is the first and last frost in Moro?
In half of years the last spring frost (32°) comes by May 12 and the first fall frost by October 4, about 143 frost-free days, at Moro, OR.
What growing zone is Moro in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 3°.
What is the best time of year to visit Moro?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Moro getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 60% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Moro.
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.