Juno Beach, Florida climate: Normal weather by month, frost dates and records
Juno Beach's normal year runs from 58°F January nights to 91°F August afternoons, with 72.2 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 24.4°C, January lows of 14°C, August highs of 33°C, 1,834 mm of precipitation a year.
- NOAA stationJuno Beach
- Station IDUSC00084461
- Location26.86°N 80.06°W
- Elevation5 ft (2 m)
- Population3,969
On October 23, the normal high in Juno Beach is 85°F and the normal low 72°F, and the chance of measurable rain or snow is 31%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Juno Beach.
- Jan 75° 58°
- Feb 76° 59°
- Mar 79° 62°
- Apr 83° 67°
- May 85° 72°
- Jun 89° 75°
- Jul 91° 77°
- Aug 91° 77°
- Sep 89° 76°
- Oct 86° 73°
- Nov 81° 67°
- Dec 77° 62°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Juno Beach each month?
August is the warmest month, with normal highs of 91°F; January the coldest, with normal lows of 58°F. The most precipitation falls in June (10.06 in), the least in January (3.85 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 75°F | 58°F | 66.1°F | 3.85 | 7 | <1 | <1 | 10 h 40 min |
| February | 76°F | 59°F | 67.8°F | 3.85 | 7 | <1 | <1 | 11 h 10 min |
| March | 79°F | 62°F | 70.5°F | 4.94 | 7 | 1 | <1 | 12 h |
| April | 83°F | 67°F | 75.0°F | 4.15 | 7 | 1 | <1 | 12 h 50 min |
| May | 85°F | 72°F | 78.5°F | 6.13 | 10 | 5 | <1 | 13 h 30 min |
| June | 89°F | 75°F | 82.1°F | 10.06 | 14 | 13 | <1 | 13 h 50 min |
| July | 91°F | 77°F | 83.7°F | 6.39 | 13 | 23 | <1 | 13 h 40 min |
| August | 91°F | 77°F | 83.8°F | 8.69 | 15 | 25 | <1 | 13 h 10 min |
| September | 89°F | 76°F | 82.5°F | 8.10 | 15 | 16 | <1 | 12 h 20 min |
| October | 86°F | 73°F | 79.2°F | 6.68 | 10 | 6 | <1 | 11 h 30 min |
| November | 81°F | 67°F | 73.7°F | 4.75 | 9 | <1 | <1 | 10 h 50 min |
| December | 77°F | 62°F | 69.3°F | 4.60 | 9 | <1 | <1 | 10 h 30 min |
| Year (annual) | 83°F | 69°F | 76.0°F | 72.19 | 123 | 90 | <1 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 24°C | 14°C | 18.9°C | 98 mm |
| February | 25°C | 15°C | 19.9°C | 98 mm |
| March | 26°C | 17°C | 21.4°C | 125 mm |
| April | 28°C | 20°C | 23.9°C | 105 mm |
| May | 30°C | 22°C | 25.8°C | 156 mm |
| June | 32°C | 24°C | 27.8°C | 256 mm |
| July | 33°C | 25°C | 28.7°C | 162 mm |
| August | 33°C | 25°C | 28.8°C | 221 mm |
| September | 32°C | 24°C | 28.1°C | 206 mm |
| October | 30°C | 23°C | 26.2°C | 170 mm |
| November | 27°C | 19°C | 23.2°C | 121 mm |
| December | 25°C | 17°C | 20.7°C | 117 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00084461; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Juno Beach?
Normal highs sit between 65°F and 85°F in January, February, March, April, November and December. Of those, February has the fewest days with rain (7).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00084461.
When is the last frost in Juno Beach?
A night at 32°F or colder comes in only 13% of years in Juno Beach (NOAA). NOAA's median date of the last spring frost is January 26 and of the first autumn frost January 16.
NOAA puts the median frost-free season at 365 days, and the season without a hard freeze (28°F) at 365 days.
The USDA's 2023 Plant Hardiness Zone Map puts Juno Beach in zone 10b in ZIP code 33408. By the map's own method, the average of each year's coldest night over 1991-2020, Juno Beach's NOAA station is in zone 10b: the coldest night of a typical year reaches 38°F (15 complete years).
Frost dates for every NOAA station in Florida · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00084461; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Juno Beach?
In a normal year in Juno Beach, 90 days a year reach 90°F, nights almost never fall to freezing and 123 days bring measurable precipitation.
- Days at 90°F or more
- 90a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- fewer than 1a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 123a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00084461.
How sunny is Juno Beach?
Over a year 78% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Juno Beach, 4.8 kWh per square metre a day. April is the sunniest month (82%) and June the cloudiest (73%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 78% | 3.5 |
| February | 79% | 4.3 |
| March | 81% | 5.3 |
| April | 82% | 6.0 |
| May | 79% | 6.1 |
| June | 73% | 5.5 |
| July | 76% | 5.7 |
| August | 76% | 5.4 |
| September | 75% | 4.8 |
| October | 79% | 4.4 |
| November | 80% | 3.7 |
| December | 78% | 3.3 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Juno Beach need?
A normal year in Juno Beach brings 231 heating degree days, 96% fewer than the median U.S. place (5,373), and 4,269 cooling degree days, 4.7 times the median (908). No month reaches 300 heating degree days. For gardens and crops, NOAA counts 9,521 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 84 | 119 |
| February | 52 | 130 |
| March | 28 | 198 |
| April | 3 | 303 |
| May | 0 | 420 |
| June | 0 | 513 |
| July | 0 | 580 |
| August | 0 | 583 |
| September | 0 | 525 |
| October | 2 | 442 |
| November | 11 | 271 |
| December | 52 | 185 |
| Year (annual) | 231 | 4,269 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00084461. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Juno Beach's climate compare?
Juno Beach is warmer than 91 of the other 105 places with their own NOAA record in Florida, and wetter than 96. Across the 7,247 U.S. stations with normals, its annual mean of 76.0°F is warmer than 99%.
In the Köppen classification computed from these normals, Juno Beach is Af: tropical rainforest. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Juno Beach share this climate record?
9 places have no NOAA station with 1991-2020 normals of their own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Jupiter, FLalso near: Palm Beach Gardens (7 mi, 74.4°F a year); Port Salerno (15 mi, 73.7°F a year)62,987 people · 6 mi NW
- North Palm Beach, FL13,423 people · 3 mi S
- Lake Park, FL9,188 people · 4 mi S
- Tequesta, FL6,285 people · 8 mi NW
- Cabana Colony, FL1,930 people · 2 mi W
- Limestone Creek, FL1,606 people · 8 mi NW
- Palm Beach Shores, FL1,359 people · 6 mi S
- Juno Ridge, FL1,260 people · 1 mi SW
- Jupiter Inlet Colony, FL456 people · 6 mi N
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Juno Beach's climate
What is the coldest month in Juno Beach?
January, with a normal high of 75°F and a normal low of 58°F. The warmest is August (91°F by day, 77°F at night).
What is the rainiest month in Juno Beach?
June, with 10.06 in of precipitation in a normal year; the driest is January with 3.85 in.
What plant hardiness zone is Juno Beach in?
The USDA's 2023 map puts Juno Beach in zone 10b in ZIP code 33408. By the same method at Juno Beach's NOAA station, the coldest night of a typical year reaches 38°F (15 years, 1991-2020): zone 10b.
Nearby and next
- Florida climateThe statewide normals and every place in the state
- Palm Beach Gardens, FL6 miles from this station, 74.4°F a year
- West Palm Beach, FL12 miles from this station, 75.8°F a year
- Port Salerno, FL21 miles from this station, 73.7°F a year
- Stuart, FL25 miles from this station, 75.3°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made