Weather in Deerfield Beach, Florida
Flowers spill across the islands. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Thunderstorm—84°72°
- SundayMay 17Overcast11%84°76°
- MondayMay 18Light Drizzle30%84°76°
- TuesdayMay 19Drizzle31%87°79°
- WednesdayMay 20Light Drizzle22%88°79°
- ThursdayMay 21Overcast16%87°79°
- FridayMay 22Overcast28%88°79°
- PM 2.5
- 8.3 μg/m³
- PM 10
- 12.5 μg/m³
- NO₂
- 3.3 μg/m³
- Ozone
- 78.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 10:51 AM
- Moonset
- 12:16 AM
- In sign
- ♉︎ Taurus
Flowers spill across the islands
Deerfield Beach at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: January 24 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
August is Deerfield Beach's warmest month at about 84°F mean temperature, and January is the coldest at about 68°F. Rainfall reaches its peak in September with 9.3 inches and drops to its lowest point in January with 2.5 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 68° | 2.5″ | 4 |
| February | 70° | 3.3″ | 4 |
| March | 72° | 3.2″ | 4 |
| April | 76° | 3.5″ | 4 |
| May | 79° | 6.3″ | 7 |
| June | 82° | 8.0″ | 10 |
| July | 84° | 6.0″ | 11 |
| August | 84° | 7.3″ | 10 |
| September | 83° | 9.3″ | 12 |
| October | 80° | 7.7″ | 9 |
| November | 75° | 4.2″ | 5 |
| December | 71° | 3.0″ | 5 |
Regional context
Deerfield Beach occupies a humid subtropical climate region, a cohort that shares comparable temperature ranges, seasonal patterns, and growing conditions with nearby cities.
Similar climates: Miami, FL, Tampa, FL, Orlando, FL, Jacksonville, FL, Cape Coral, FL.
Naturalist notes
By late May, royal poinciana trees begin their peak bloom period across South Florida, their canopies turning deep orange-red as the wet season approaches.
Loggerhead sea turtle nesting along Broward County beaches typically starts picking up in May and continues through the warmest months.
Frequently asked
- When does it freeze in Deerfield Beach?
- Deerfield Beach's last spring frost normally arrives around mid-February, and the first fall frost around mid-December.
- What is the rainy season in Deerfield Beach?
- September is the wettest month, averaging about 9.3 inches of rain; the city receives roughly 64 inches annually.
- What is the warmest month in Deerfield Beach?
- August is usually the warmest month, averaging about 84°F.
- What is the coldest month in Deerfield Beach?
- January is usually the coldest month, averaging about 68°F.
- When can I start a vegetable garden in Deerfield Beach?
- Cool-season crops like peas and lettuce can be sown around the last spring frost in mid-February; warm-season crops such as tomatoes and peppers wait until 1 to 2 weeks after.
- How many rainy days does Deerfield Beach get?
- Deerfield Beach averages about 85 rainy days per year.
- What hardiness zone is Deerfield Beach?
- Deerfield Beach's USDA hardiness zone reflects its lowest average winter temperature; the current zone designation can be checked via the USDA's online lookup using the city ZIP code.
Climate
Deerfield Beach, Florida lies within a humid subtropical climate zone. January temperatures hover around 68°F, while July averages 84°F, creating a 15°F seasonal swing.
Over the course of a year, Deerfield Beach collects roughly 64 inches of precipitation across about 85 rainy days.
Latitude (26.3°N), proximity to large water bodies, and elevation set the rhythm of the year. These factors shape what grows here, when frost is likely, and the day-to-day weather pattern.