Ramona has mild winters and warm summers, with very little rain
A typical July afternoon reaches 91°, a January night drops to 39°, and snow is almost unheard of.
A year in Ramona at a glance
Each month’s typical high and low, and what it brings.
What stands out about Ramona’s climate
Read from where Ramona sits among California’s towns. The page puts what stands out first.
Warmer than it used to be
The last 30 years in Ramona averaged 2.2° warmer than the 1900s. The biggest change is in January (+3.4°).
A bigger shift than in 98% of U.S. towns.
Change by month
What a year in Ramona feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Rain and snow in Ramona
February is the wettest month and June the driest. Rain or snow falls on about 41 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
No measurable snow in a normal year.
About 270 frost-free days a year
In half of years the last 32° night comes by March 4 and the first by December 4.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Ramona’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
270 frost-free days. The last frost comes by Mar 4 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 4.
About 0.0" in a normal winter.
Months averaging under 55° run from December through February. Heating is 65% of the year’s heating-and-cooling load.
About 75 days a year reach 90°, and July afternoons average 91°.
The nicest months are February, March, April, May, October and November. 11 miles of trails are waiting.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Ramona and its neighbors
San Diego Country Estates has the coldest January nights next door (38°) and San Diego Country Estates the hottest July afternoons (93°). Tap a town to see its climate.
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.
How Ramona compares
Against every U.S. town on TownTapestry, each counted once, with its place in California.
Ramona weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 67° | 39° | 3.2" | 0 | 7 | 0 | 49° – 59° |
| February | 67° | 40° | 3.6" | 0 | 7 | 0 | 49° – 60° |
| March | 70° | 43° | 2.3" | 0 | 6 | 0 | 51° – 63° |
| April | 74° | 45° | 1.1" | 0 | 4 | 0 | 55° – 63° |
| May | 78° | 50° | 0.5" | 0 | 3 | 0 | 59° – 70° |
| June | 85° | 53° | 0.1" | 0 | 1 | 0 | 65° – 74° |
| July | 91° | 58° | 0.1" | 0 | 1 | 0 | 70° – 81° |
| August | 93° | 60° | 0.1" | 0 | 0 | 0 | 73° – 80° |
| September | 90° | 57° | 0.2" | 0 | 1 | 0 | 70° – 77° |
| October | 82° | 50° | 0.6" | 0 | 2 | 0 | 62° – 71° |
| November | 74° | 43° | 1.3" | 0 | 4 | 0 | 51° – 63° |
| December | 66° | 38° | 2.2" | 0 | 6 | 0 | 49° – 57° |
| Year | 78° | 48° | 15.2" | 0.0" | 41 | 0 |
Heating and cooling a home in Ramona
65% of the work is heating.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. March swings the most: from 1991 to 2020 its average ranged from 51° to 63°. August is the most reliable, staying within 7°.
Common questions about Ramona’s climate
What is the coldest month in Ramona?
December, with a typical high of 66° and a low of 38°.
What is the hottest month in Ramona?
August, with a typical high of 93° and a low of 60°. About 75 days a year reach 90°.
How much snow does Ramona get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Ramona?
In half of years the first 32° night comes by December 4, and the last spring frost by March 4.
What is the rainiest month in Ramona?
February, with 3.6 inches of rain and melted snow. The year totals 15 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Ramona.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Ramona itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Poway Valley, CA (9 mi, snow) and Ramona Fire Dept, CA (3 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.