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Sonoma State Home, Main Building, 15000 Arnold Dr., Eldridge, CA 6-12-2010 6-03-39 PMPhoto: Sanfranman59 · CC BY-SA 3.0
Climate in Eldridge · NOAA 1991–2020 normals

Nights stay kind in Eldridge each January, milder than in 86% of U.S. towns

On a normal July day the thermometer tops out near 84°. The gap between a January night and a July afternoon is 47°. It is a dry place: less rain and snow fall here than on 85% of U.S. towns. For walks and days out, the stretch from March to June and September to November brings highs of 65–84°.

Milder January nights than 86% of U.S. towns#622Mildest winters  of 758 in CA
Drier than 85% of U.S. towns#671 driest of 758 in CA
All CA rankings →

A year in Eldridge at a glance

Each month’s typical high and low, and what it brings.

Jan57°38°
Feb61°40°
Mar65°42° Last frost ~Mar 2
Apr69°44°
May74°48° 3 days 90°+
Jun81°51° 8 days 90°+
Jul84°53° 11 days 90°+
Aug85°54° 11 days 90°+
Sep84°52° 9 days 90°+
Oct77°48° 3 days 90°+
Nov now65°42° First frost ~Nov 27
Dec57°38° Wettest

What stands out about Eldridge’s climate

Compared with towns across the U.S., with Eldridge’s place in California beside it.

A normal year

What a year in Eldridge feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
58° / 39°
Snow is rare
Spring
69° / 44°
Last frost around Mar 2
Summer
83° / 53°
44 days reach 90°
Fall
75° / 47°
First frost around Nov 27
Best months to be outsideMarAprMayJunSepOctNovHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 270 frost-free days a year

In half of years the last 32° night comes by March 2 and the first by November 27. Frost and day counts come from NOAA’s station at Sonoma, CA, 3 miles from the town’s center, at about the same height.

21
nights at or below 32° in a normal year
579th fewest of 752 in California
Fewer freezing nights than 87% of U.S. towns
0
nights at or below 0°
None in a normal year
44
days that reach 90°
480th most of 752 in California
More 90° days than 72% of U.S. towns
7
days that reach 100°
453rd most of 752 in California
More 100° days than 88% of U.S. towns
9bUSDA zone
Plant hardiness zone 9b

The 2023 USDA map puts Eldridge’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 25°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

8
JFMAMJJASOND

90° days by month

Average days at 90° or more

11
JFMAMJJASOND
Rain & snow

About 31 inches of rain a year

December is the wettest month and July the driest. Rain falls on about 68 days a year. Snow is rare: about 0.0" in a normal year at Sonoma, CA, so most winters see none.

31"
Rain + melted snow a year
671st driest of 758 in California
Drier than 85% of U.S. towns
0.0"
Snow in a normal winter
Less snow than 93% of U.S. towns

Rain + melted snow by month

Inches of water

6.4"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Eldridge

83% of the work is heating. Months averaging under 55° run from November through March.

2,748 heating degree daysLess heating than 80% of U.S. towns
581 cooling degree daysLess cooling than 79% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Sonoma, CA.

Living here

Living with Eldridge’s climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

270 frost-free days in zone 9b. The last frost comes by Mar 2 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 27.

Get outside

Months with highs of 62–84° and lows of 40° or more: March, April, May, June, September, October and November. 0.0 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Eldridge from natural hazards, river flooding is the largest share (51%). Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Eldridge and its neighbors

Every town next door is within a degree of Eldridge in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

El Verano: January low 38°, July high 83°Fetters Hot Springs-Agua Caliente: January low 38°, July high 83°Boyes Hot Springs: January low 38°, July high 83°Eldridge: January low 38°, July high 84°EldridgeFetters Hot Springs-Agua CalienteBoyes Hot Springs
ColderMilder38° to 38°
Boyes Hot Springs37.8° about the same
Eldridge38.2°

Climates most like Eldridge’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.

TownJan. lowJuly highPrecip.Snow
Eldridge, CA38°84°31"0.0"
Winston, OR37°86°33"0.0"
Felida, WA35°81°42"0.8"
Rockport, TX48°91°35"0.3"
Kill Devil Hills, NC35°86°50"1.1"

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.

Then and now

Warmer than it used to be

The last 30 years in Eldridge averaged 1.4° warmer than the 1900s. The biggest change is in January (+2.3°).

+1.4°1991–2020 vs. 1901–2000

A bigger shift than in 54% of U.S. towns.

Winter+1.6°now 49°, was 47°
Spring+1.4°now 57°, was 55°
Summer+1.3°now 68°, was 67°
Fall+1.4°now 61°, was 60°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Eldridge compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Eldridge’s place among California’s.

Summer heat84° July high
Cooler July afternoons than 59% of U.S. towns241st coolest of 758 in California
Winter cold38° January low
Milder January nights than 86% of U.S. towns622nd mildest of 758 in California
Precipitation31" a year
Drier than 85% of U.S. towns671st driest of 758 in California
Snow0.0" a winter
Less snow than 93% of U.S. townsNot ranked: under an inch a year
Hot days44 days at 90°+
More 90° days than 72% of U.S. towns480th most of 752 in California
Freezing nights21 a year
Fewer freezing nights than 87% of U.S. towns579th fewest of 752 in California
Growing season270 frost-free days
A longer frost-free season than 94% of U.S. towns235th longest of 359 in California
Month by month

Eldridge weather by month

Highs, lows and precipitation from NOAA’s grid at Eldridge’s center; snow, wet days and snow on the ground from Sonoma, CA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January57°38°6.1"0.0"11044° – 52°
February61°40°6.0"0.0"11046° – 55°
March65°42°4.4"0.0"10047° – 59°
April69°44°1.9"0.0"7051° – 60°
May74°48°1.1"0.0"4056° – 66°
June81°51°0.3"0.0"1063° – 69°
July84°53°0.0"0.0"0066° – 72°
August85°54°0.0"0.0"0066° – 73°
September84°52°0.1"0.0"1064° – 71°
October77°48°1.6"0.0"4059° – 67°
November65°42°3.3"0.0"8047° – 57°
December57°38°6.4"0.0"12044° – 52°
Year71°46°31.1"0.0"680
Year to year

How much a month can swing

A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 47° to 59°. July is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Eldridge’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 Eldridge’s center.
  • Snow: Sonoma, CA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Sonoma, CA, 3 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 Eldridge’s climate

What is the weather like in Eldridge?

A typical July afternoon reaches 84°, a January night drops to 38°, and snow is almost unheard of. Milder January nights than 86% of U.S. towns; cooler July afternoons than 59% of U.S. towns.

How cold does it get in Eldridge in winter?

December nights average 38°. About 21 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 44°.

How much snow does Eldridge get?

About 0.0 inches in a normal winter at Sonoma, CA, so most winters see none.

How hot does it get in Eldridge?

July, with a typical high of 84° and a low of 53°. About 44 days a year reach 90° and 7 reach 100° (Sonoma, CA).

When is the first and last frost in Eldridge?

In half of years the last spring frost (32°) comes by March 2 and the first fall frost by November 27, about 270 frost-free days, at Sonoma, CA.

What growing zone is Eldridge in?

Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 25°.

What is the best time of year to visit Eldridge?

By one simple rule (highs of 62–84° and lows of 40° or more), March, April, May, June, September, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Eldridge getting warmer?

Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 54% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Eldridge.

Town Square →
Ask your neighbors

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.