Cantua Creek reaches 100° on about 37 days a year, more than 98% of U.S. towns
In January the night’s low is typically 39°. Its yearly precipitation falls short of almost every U.S. town. Compared with 1901–2000, the average now sits 1.6° higher. The frost-free window for a garden runs roughly February 27 to November 26.
A year in Cantua Creek at a glance
Each month’s typical high and low, and what it brings.
What stands out about Cantua Creek’s climate
Compared with towns across the U.S., with Cantua Creek’s place in California beside it.
What a year in Cantua Creek feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 271 frost-free days a year
In half of years the last 32° night comes by February 27 and the first by November 26. Frost and day counts come from NOAA’s station at Five Points 5 Ssw, CA, 13 miles from the town’s center, at about the same height.
The 2023 USDA map puts Cantua Creek’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°
90° days by month
Average days at 90° or more
About 6 inches of rain a year
January is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Cantua Creek
53% 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 Five Points 5 Ssw, CA.
Living with Cantua Creek’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
271 frost-free days in zone 9b. The last frost comes by Feb 27 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 26.
Months with highs of 62–84° and lows of 40° or more: February, March, April, May, October and November. 1.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Cantua Creek from natural hazards, drought is the largest share (82%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Cantua Creek and similar climates
TownRatings has no climate map of the towns around Cantua Creek 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 Cantua Creek averaged 1.6° warmer than the 1900s. The biggest change is in September (+2.3°).
A bigger shift than in 66% 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 Cantua Creek compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Cantua Creek’s place among California’s.
Cantua Creek weather by month
Highs, lows and precipitation from NOAA’s grid at Cantua Creek’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 56° | 39° | 1.3" | 43° – 53° |
| February | 63° | 42° | 1.2" | 45° – 58° |
| March | 69° | 45° | 1.0" | 50° – 64° |
| April | 75° | 48° | 0.4" | 56° – 65° |
| May | 83° | 54° | 0.3" | 61° – 77° |
| June | 91° | 60° | 0.0" | 70° – 80° |
| July | 97° | 65° | 0.0" | 76° – 85° |
| August | 95° | 64° | 0.0" | 74° – 84° |
| September | 91° | 60° | 0.1" | 70° – 79° |
| October | 80° | 51° | 0.3" | 62° – 71° |
| November | 66° | 43° | 0.4" | 47° – 62° |
| December | 56° | 38° | 0.8" | 44° – 52° |
| Year | 77° | 51° | 5.7" |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 61° to 77°. December is the most reliable, staying within 8°.
Where Cantua Creek’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 Cantua Creek’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Five Points 5 Ssw, CA, 13 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 Cantua Creek’s climate
What is the weather like in Cantua Creek?
A typical July afternoon reaches 97°, a January night drops to 39°. Milder January nights than 87% of U.S. towns; hotter July afternoons than 97% of U.S. towns.
How cold does it get in Cantua Creek in winter?
December nights average 38°. About 23 nights a year reach 32° or below. In the coldest December of the last 30 years the month averaged 44°.
How hot does it get in Cantua Creek?
July, with a typical high of 97° and a low of 65°. About 114 days a year reach 90° and 37 reach 100° (Five Points 5 Ssw, CA).
When is the first and last frost in Cantua Creek?
In half of years the last spring frost (32°) comes by February 27 and the first fall frost by November 26, about 271 frost-free days, at Five Points 5 Ssw, CA.
What growing zone is Cantua Creek 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 Cantua Creek?
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 Cantua Creek getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Cantua Creek.
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.