Broadmoor has some of the coolest summers among U.S. towns
Nights in January average 45°. The wettest month is December; the driest is July. By January nights alone, it runs milder than 94% of U.S. towns. Picnics, hikes and garden evenings come into their own from April to November, with highs of 62–70°.
A year in Broadmoor at a glance
Each month’s typical high and low, and what it brings.
What stands out about Broadmoor’s climate
Compared with towns across the U.S., with Broadmoor’s place in California beside it.
What a year in Broadmoor feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Frost is rare
Day counts come from NOAA’s station at San Francisco Oceanside, CA, 2.9 miles from the town’s center, 180 ft lower; frost dates and degree days from San Francisco Dwtn, CA, 6 miles away.
The 2023 USDA map puts Broadmoor’s center in zone 10b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 35°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
About 25 inches of rain a year
December is the wettest month and July the driest. Rain falls on about 69 days a year. Snow is rare: about 0.0" in a normal year at Pacifica 4 Sse, CA, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Broadmoor
96% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from December through March.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at San Francisco Dwtn, CA.
Living with Broadmoor’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 10b. Frost almost never comes, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: April, May, June, July, August, September, October and November.
Parks & trails →Of the yearly building losses FEMA expects in Broadmoor from natural hazards, earthquakes are the largest share (85%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Broadmoor and similar climates
TownRatings has no climate map of the towns around Broadmoor yet.
Climates most like Broadmoor’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 |
|---|---|---|---|---|
| Broadmoor, CA | 45° | 67° | 25" | 0.0" |
| Port Angeles, WA | 37° | 69° | 28" | 0.4" |
| Makawao, HI | 53° | 75° | 23" | 0.0" |
| Coos Bay, OR | 40° | 66° | 61" | 0.2" |
| Nantucket, MA | 26° | 76° | 44" | 25" |
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 Broadmoor averaged 1.6° warmer than the 1900s. The biggest change is in January (+2.3°).
A bigger shift than in 65% 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 Broadmoor compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Broadmoor’s place among California’s.
Broadmoor weather by month
Highs, lows and precipitation from NOAA’s grid at Broadmoor’s center; snow, wet days and snow on the ground from Pacifica 4 Sse, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 57° | 45° | 4.8" | 0.0" | 11 | 0 | 48° – 55° |
| February | 59° | 46° | 4.9" | 0.0" | 12 | 0 | 49° – 58° |
| March | 61° | 47° | 3.6" | 0.0" | 10 | 0 | 50° – 58° |
| April | 62° | 48° | 1.7" | 0.0" | 6 | 0 | 52° – 59° |
| May | 64° | 51° | 0.8" | 0.0" | 4 | 0 | 54° – 61° |
| June | 67° | 52° | 0.2" | 0.0" | 2 | 0 | 56° – 62° |
| July | 67° | 54° | 0.0" | 0.0" | 0 | 0 | 59° – 64° |
| August | 69° | 55° | 0.1" | 0.0" | 1 | 0 | 59° – 66° |
| September | 70° | 55° | 0.1" | 0.0" | 2 | 0 | 59° – 67° |
| October | 68° | 53° | 1.2" | 0.0" | 4 | 0 | 58° – 65° |
| November | 62° | 49° | 2.7" | 0.0" | 7 | 0 | 49° – 59° |
| December | 57° | 45° | 5.4" | 0.0" | 11 | 0 | 48° – 56° |
| Year | 64° | 50° | 25.4" | 0.0" | 69 | 0 |
How much a month can swing
A normal is an average. November swings the most: from 1991 to 2020 its average ranged from 49° to 59°. July is the most reliable, staying within 5°.
Where Broadmoor’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 Broadmoor’s center.
- Snow: Pacifica 4 Sse, CA.
- Frost dates, heating and cooling: San Francisco Dwtn, CA, 6 miles away.
- Freezing nights, 90° and 100° days: San Francisco Oceanside, CA, 2.9 miles from the town’s center, 180 ft lower; 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 Broadmoor’s climate
What is the weather like in Broadmoor?
A typical July afternoon reaches 67°, a January night drops to 45°, and snow is almost unheard of. Milder January nights than 94% of U.S. towns; cooler July afternoons than all but 50 U.S. towns.
How cold does it get in Broadmoor in winter?
January nights average 45°. About 1 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 48°.
How much snow does Broadmoor get?
About 0.0 inches in a normal winter at Pacifica 4 Sse, CA, so most winters see none.
How hot does it get in Broadmoor?
July, with a typical high of 67°. 90° days are rare: none in a normal year at San Francisco Dwtn, CA.
When is the first and last frost in Broadmoor?
Most years have no frost at all: a 32° night comes in about 0% of winters at San Francisco Dwtn, CA, usually in December or January.
What growing zone is Broadmoor in?
Zone 10b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 35°.
What is the best time of year to visit Broadmoor?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, July, August, September, October and November. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Broadmoor getting warmer?
Yes: 1991–2020 averaged 1.6° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 65% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Broadmoor.
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.