Madison reaches 100° on about 21 days a year, more than 95% of U.S. towns
On a normal January night the air cools to about 38°. February is the wettest month, July the driest. Its yearly precipitation falls short of 89% of U.S. towns. Tender plants can go out after about February 7; in half of years the first frost comes by December 5.
A year in Madison at a glance
Each month’s typical high and low, and what it brings.
What stands out about Madison’s climate
Compared with towns across the U.S., with Madison’s place in California beside it.
What a year in Madison feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 301 frost-free days a year
In half of years the last 32° night comes by February 7 and the first by December 5. Frost and day counts come from NOAA’s station at Woodland 1 Wnw, CA, 10 miles from the town’s center, at about the same height.
The 2023 USDA map puts Madison’s center in zone 9b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 27°. 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 21 inches of rain a year
February is the wettest month and July the driest. Rain falls on about 56 days a year. Snow is rare: about 0.0" in a normal year at Woodland 1 Wnw, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Madison
63% of the work is heating. Months averaging under 55° run from November through February.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Woodland 1 Wnw, CA.
Living with Madison’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
301 frost-free days in zone 9b. The last frost comes by Feb 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Dec 5.
Months with highs of 62–84° and lows of 40° or more: February, March, April, May, October and November. 3.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Madison from natural hazards, drought is the largest share (42%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Madison and similar climates
TownRatings has no climate map of the towns around Madison yet.
Climates most like Madison’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 |
|---|---|---|---|---|
| Madison, CA | 38° | 96° | 21" | 0.0" |
| Pearsall, TX | 41° | 97° | 24" | 0.0" |
| Corona de Tucson, AZ | 36° | 96° | 14" | 0.1" |
| Central Point, OR | 32° | 93° | 22" | 3.4" |
| Anthony, NM | 31° | 96° | 9" | 0.0" |
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 Madison averaged 1.4° warmer than the 1900s. The biggest change is in January (+2.0°).
A smaller shift than in 50% 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 Madison compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Madison’s place among California’s.
Madison weather by month
Highs, lows and precipitation from NOAA’s grid at Madison’s center; snow, wet days and snow on the ground from Woodland 1 Wnw, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 57° | 38° | 4.4" | 0.0" | 11 | 0 | 44° – 53° |
| February | 62° | 41° | 4.4" | 0.0" | 9 | 0 | 47° – 56° |
| March | 68° | 44° | 3.0" | 0.0" | 8 | 0 | 49° – 61° |
| April | 74° | 47° | 1.3" | 0.0" | 5 | 0 | 55° – 64° |
| May | 82° | 52° | 0.8" | 0.0" | 3 | 0 | 59° – 74° |
| June | 90° | 58° | 0.2" | 0.0" | 1 | 0 | 69° – 77° |
| July | 96° | 60° | 0.0" | 0.0" | 0 | 0 | 74° – 81° |
| August | 95° | 58° | 0.0" | 0.0" | 0 | 0 | 74° – 80° |
| September | 91° | 56° | 0.1" | 0.0" | 1 | 0 | 70° – 76° |
| October | 80° | 50° | 0.8" | 0.0" | 3 | 0 | 62° – 70° |
| November | 66° | 43° | 2.0" | 0.0" | 6 | 0 | 48° – 59° |
| December | 57° | 38° | 4.2" | 0.0" | 9 | 0 | 44° – 52° |
| Year | 76° | 49° | 21.1" | 0.0" | 56 | 0 |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 59° to 74°. September is the most reliable, staying within 6°.
Where Madison’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 Madison’s center.
- Snow: Woodland 1 Wnw, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Woodland 1 Wnw, CA, 10 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 Madison’s climate
What is the weather like in Madison?
A typical July afternoon reaches 96°, a January night drops to 38°, and snow is almost unheard of. Milder January nights than 86% of U.S. towns; hotter July afternoons than 96% of U.S. towns.
How cold does it get in Madison in winter?
December nights average 38°. About 9 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 44°.
How much snow does Madison get?
About 0.0 inches in a normal winter at Woodland 1 Wnw, CA, so most winters see none.
How hot does it get in Madison?
July, with a typical high of 96° and a low of 60°. About 96 days a year reach 90° and 21 reach 100° (Woodland 1 Wnw, CA).
When is the first and last frost in Madison?
In half of years the last spring frost (32°) comes by February 7 and the first fall frost by December 5, about 301 frost-free days, at Woodland 1 Wnw, CA.
What growing zone is Madison in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 27°.
What is the best time of year to visit Madison?
By one simple rule (highs of 62–84° and lows of 40° or more), February, March, April, May, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Madison getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 50% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Madison.
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.