Ruth sits near the top of U.S. towns for precipitation, with 60 inches a year
The depth of winter brings overnight lows near 32°. Summer afternoons here are warmer than in 76% of U.S. towns. The latest 30-year average runs 1.3° warmer than 1901–2000’s, with January up the most. The heating season runs November to April: each of those months averages under 50°.
A year in Ruth at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ruth’s climate
Compared with towns across the U.S., with Ruth’s place in California beside it.
What a year in Ruth feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 60 inches of rain a year
December is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Living with Ruth’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 8b.
Months with highs of 62–84° and lows of 40° or more: May, June, September and October. 53 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Ruth from natural hazards, river flooding is the largest share (48%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Ruth and similar climates
TownRatings has no climate map of the towns around Ruth 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 Ruth averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.2°).
A smaller shift than in 54% 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 Ruth compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Ruth’s place among California’s.
Ruth weather by month
Highs, lows and precipitation from NOAA’s grid at Ruth’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 48° | 32° | 10.9" | 36° – 45° |
| February | 52° | 33° | 9.9" | 36° – 48° |
| March | 57° | 35° | 8.4" | 38° – 52° |
| April | 62° | 36° | 4.8" | 44° – 54° |
| May | 71° | 41° | 2.3" | 50° – 62° |
| June | 81° | 47° | 0.7" | 60° – 71° |
| July | 90° | 54° | 0.1" | 68° – 76° |
| August | 89° | 53° | 0.2" | 69° – 76° |
| September | 84° | 48° | 0.5" | 63° – 70° |
| October | 70° | 41° | 3.3" | 52° – 61° |
| November | 54° | 36° | 6.7" | 38° – 50° |
| December | 47° | 32° | 12.5" | 36° – 43° |
| Year | 67° | 41° | 60.1" |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 38° to 52°. December is the most reliable, staying within 7°.
Where Ruth’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 Ruth’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 Ruth’s climate
What is the weather like in Ruth?
A typical July afternoon reaches 90°, a January night drops to 32°. Milder January nights than 75% of U.S. towns; hotter July afternoons than 76% of U.S. towns.
How cold does it get in Ruth in winter?
January nights average 32°. In the coldest January of the last 30 years the month averaged 36°.
How hot does it get in Ruth?
July, with a typical high of 90°. 90° days are rare.
What growing zone is Ruth in?
Zone 8b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 15°.
What is the best time of year to visit Ruth?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Ruth getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ruth.
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.