Boynton Beach, FL climate
Boynton Beach has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 59°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Boynton Beach feels like
Winter
Spring
Summer
Fall
Boynton Beach 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 | 75° | 59° | 2.9" | 0 | 10 | 0 | 61° – 72° |
| February | 77° | 61° | 2.7" | 0 | 8 | 0 | 61° – 75° |
| March | 79° | 64° | 3.0" | 0 | 8 | 0 | 64° – 77° |
| April | 82° | 69° | 3.3" | 0 | 8 | 0 | 72° – 80° |
| May | 85° | 73° | 5.4" | 0 | 11 | 0 | 76° – 81° |
| June | 88° | 76° | 8.5" | 0 | 18 | 0 | 80° – 85° |
| July | 90° | 77° | 6.4" | 0 | 18 | 0 | 82° – 85° |
| August | 90° | 77° | 7.9" | 0 | 19 | 0 | 82° – 85° |
| September | 88° | 76° | 8.2" | 0 | 17 | 0 | 81° – 84° |
| October | 85° | 73° | 6.2" | 0 | 14 | 0 | 77° – 82° |
| November | 80° | 67° | 3.8" | 0 | 9 | 0 | 70° – 79° |
| December | 77° | 63° | 2.9" | 0 | 10 | 0 | 59° – 77° |
| Year | 83° | 70° | 61.2" | 0.0" | 149 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Boynton Beach
Boynton Beach gets 61 inches of rain and melted snow a year. June is the wettest month and February the driest. Rain or snow falls on about 149 days a year.
A year-round growing season
Heating and cooling a home in Boynton Beach
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Boynton Beach, 5% of that work is heating and 95% is cooling, so air conditioning is the bigger bill.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Boynton Beach and its neighbors
Boynton Beach borders 7 towns with climate data. January nights across them vary by 1.3°. Golf has both the coldest January nights (58°) and the hottest July afternoons (91°). Boynton Beach’s January low is 59° and its July high 90°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Boynton Beach compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Boynton Beach averaged 1.7° warmer than the 1900s. The biggest change is in February (+2.3°). The shift is larger than in 81% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Boynton Beach’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 59° to 77°. July is the most reliable, staying within 3°.
Common questions about Boynton Beach’s climate
What is the coldest month in Boynton Beach?
January, with a typical high of 75° and a low of 59°.
What is the hottest month in Boynton Beach?
August, with a typical high of 90° and a low of 77°. About 74 days a year reach 90°.
How much snow does Boynton Beach get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Boynton Beach?
Frost is uncommon. Only 7% of years see a night at 32° or below.
What is the rainiest month in Boynton Beach?
June, with 8.5 inches of rain and melted snow. The year totals 61 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Boynton Beach itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Loxahatchee Nwr, FL (9 mi, snow) and West Palm Beach Intl Airport, FL (11 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.