Photo: DanTD · CC BY-SA 3.0January in Garden Grove stays gentler than in 95% of U.S. towns
On a normal July day the thermometer tops out near 91°. By precipitation alone, it ranks wetter than 88% of U.S. towns. Decade by decade the climate has edged up, 1.5° above 1901–2000. Tender plants can go out after about March 1; in half of years the first frost comes by December 5.
A year in Garden Grove at a glance
Each month’s typical high and low, and what it brings.
What stands out about Garden Grove’s climate
Compared with towns across the U.S., with Garden Grove’s place in Florida beside it.
What a year in Garden Grove feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 281 frost-free days a year
In half of years the last 32° night comes by March 1 and the first by December 5. Frost and day counts come from NOAA’s station at Brooksville Hernando Co Airport, 1.2 miles from the town’s center, at about the same height.
The 2023 USDA map puts Garden Grove’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 52 inches of rain a year
July is the wettest month and November the driest. Rain falls on about 110 days a year. Snow is rare: about 0.0" in a normal year at Brooksville Chin Hill, FL, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Garden Grove
23% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Brooksville Hernando Co Airport.
Living with Garden Grove’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
281 frost-free days in zone 9b. The last frost comes by Mar 1 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: January, February, March, April, November and December.
Parks & trails →Of the yearly building losses FEMA expects in Garden Grove from natural hazards, river flooding is the largest share (47%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Garden Grove and similar climates
TownRatings has no climate map of the towns around Garden Grove yet.
Climates most like Garden Grove’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 |
|---|---|---|---|---|
| Garden Grove, FL | 47° | 91° | 52" | 0.0" |
| La Marque, TX | 46° | 90° | 53" | 0.2" |
| St. Marys, GA | 43° | 91° | 51" | 0.0" |
| Hilton Head Island, SC | 41° | 90° | 49" | 0.0" |
| Morgan City, LA | 44° | 91° | 60" | 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 Garden Grove averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.1°).
A bigger shift than in 60% 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 Garden Grove compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Garden Grove’s place among Florida’s.
Garden Grove weather by month
Highs, lows and precipitation from NOAA’s grid at Garden Grove’s center; snow, wet days and snow on the ground from Brooksville Chin Hill, FL. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 70° | 47° | 3.0" | 0.0" | 7 | 0 | 52° – 65° |
| February | 73° | 50° | 2.5" | 0.0" | 7 | 0 | 52° – 71° |
| March | 77° | 54° | 3.2" | 0.0" | 7 | 0 | 59° – 72° |
| April | 83° | 59° | 2.7" | 0.0" | 6 | 0 | 66° – 76° |
| May | 88° | 65° | 3.0" | 0.0" | 6 | 0 | 73° – 80° |
| June | 90° | 71° | 7.9" | 0.0" | 14 | 0 | 79° – 83° |
| July | 91° | 73° | 8.6" | 0.0" | 16 | 0 | 80° – 83° |
| August | 91° | 73° | 8.3" | 0.0" | 16 | 0 | 79° – 83° |
| September | 89° | 71° | 6.1" | 0.0" | 12 | 0 | 77° – 83° |
| October | 84° | 64° | 2.6" | 0.0" | 7 | 0 | 70° – 79° |
| November | 77° | 55° | 1.8" | 0.0" | 5 | 0 | 62° – 74° |
| December | 72° | 50° | 2.4" | 0.0" | 7 | 0 | 50° – 71° |
| Year | 82° | 61° | 51.9" | 0.0" | 110 | 0 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 50° to 71°. July is the most reliable, staying within 3°.
Where Garden Grove’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 Garden Grove’s center.
- Snow: Brooksville Chin Hill, FL.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Brooksville Hernando Co Airport, 1.2 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 Garden Grove’s climate
What is the weather like in Garden Grove?
A typical July afternoon reaches 91°, a January night drops to 47°, and snow is almost unheard of. Milder January nights than 95% of U.S. towns; hotter July afternoons than 81% of U.S. towns.
How cold does it get in Garden Grove in winter?
January nights average 47°. About 14 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 52°.
How much snow does Garden Grove get?
About 0.0 inches in a normal winter at Brooksville Chin Hill, FL, so most winters see none.
How hot does it get in Garden Grove?
July, with a typical high of 91° and a low of 73°. About 105 days a year reach 90° (Brooksville Hernando Co Airport).
When is the first and last frost in Garden Grove?
In half of years the last spring frost (32°) comes by March 1 and the first fall frost by December 5, about 281 frost-free days, at Brooksville Hernando Co Airport.
What growing zone is Garden Grove 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 Garden Grove?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, November and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Garden Grove getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 60% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Garden Grove.
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.