Photo: Missvain · CC BY 4.0Anchor Bay has some of the coolest summers among U.S. towns
January mornings start at about 43°. The seasons sit close together: from a winter night to a summer afternoon the average spans only 27°. Winters are mild: January nights here are milder than in 91% of U.S. towns. Comfortable outdoor weather lasts from May to October, with highs of 62–69°.
A year in Anchor Bay at a glance
Each month’s typical high and low, and what it brings.
What stands out about Anchor Bay’s climate
Compared with towns across the U.S., with Anchor Bay’s place in California beside it.
What a year in Anchor Bay feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 46 inches of rain a year
December is the wettest month and July the driest.
Rain + melted snow by month
Inches of water
Living with Anchor Bay’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 9b.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August, September and October. 2.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Anchor Bay from natural hazards, earthquakes are the largest share (52%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Anchor Bay and similar climates
TownRatings has no climate map of the towns around Anchor Bay 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 Anchor Bay averaged 1.2° warmer than the 1900s. The biggest change is in January (+1.7°).
A smaller 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 Anchor Bay compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Anchor Bay’s place among California’s.
Anchor Bay weather by month
Highs, lows and precipitation from NOAA’s grid at Anchor Bay’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 57° | 43° | 8.6" | 46° – 55° |
| February | 57° | 43° | 7.9" | 45° – 56° |
| March | 58° | 44° | 6.7" | 45° – 57° |
| April | 60° | 45° | 3.4" | 47° – 56° |
| May | 62° | 47° | 1.5" | 50° – 60° |
| June | 66° | 49° | 0.4" | 54° – 62° |
| July | 68° | 52° | 0.0" | 57° – 63° |
| August | 69° | 52° | 0.1" | 58° – 65° |
| September | 68° | 52° | 0.3" | 56° – 64° |
| October | 66° | 49° | 2.2" | 53° – 64° |
| November | 61° | 45° | 5.0" | 45° – 56° |
| December | 57° | 42° | 10.1" | 46° – 54° |
| Year | 62° | 47° | 46.1" |
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 45° to 57°. July is the most reliable, staying within 6°.
Where Anchor Bay’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 Anchor Bay’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 Anchor Bay’s climate
What is the weather like in Anchor Bay?
A typical July afternoon reaches 68°, a January night drops to 43°. Milder January nights than 91% of U.S. towns; cooler July afternoons than all but 66 U.S. towns.
How cold does it get in Anchor Bay in winter?
December nights average 42°. In the coldest December of the last 30 years the month averaged 46°.
How hot does it get in Anchor Bay?
July, with a typical high of 68°. 90° days are rare.
What growing zone is Anchor Bay in?
Zone 9b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 30°.
What is the best time of year to visit Anchor Bay?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Anchor Bay getting warmer?
Yes: 1991–2020 averaged 1.2° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 66% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Anchor Bay.
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.