Jacksonville Beach weather in August: Jacksonville Beach, Florida: normal highs, lows, rain and records for August

Jacksonville Beach in August has a normal high of 89°F and a normal low of 77°F, a daily mean of 83°F, falling from 89°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 14 days in a normal August, 7.54 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 31°C and low of 25°C, 192 mm of precipitation in August.

  • NOAA stationJacksonville Beach
  • Station IDUSC00084366
  • Location30.29°N 81.39°W
  • Elevation10 ft (3 m)
  • From the center1 miles
  • Population23,630
  1. Jan 65° 49°
  2. Feb 68° 52°
  3. Mar 72° 57°
  4. Apr 77° 63°
  5. May 83° 70°
  6. Jun 87° 75°
  7. Jul 89° 77°
  8. Aug 89° 77°
  9. Sep 86° 76°
  10. Oct 80° 69°
  11. Nov 73° 60°
  12. Dec 67° 53°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Jacksonville Beach in August?

The normal high is 89°F and the normal low 77°F, for a daily mean of 82.8°F. August is 0.1°F cooler than July and 2.0°F warmer than September. August is the 2nd warmest month of the year in Jacksonville Beach and the wettest. Across the month the normal high falls 1°F, from 89°F on August 1 to 88°F on August 31. From one year to the next August's mean temperature typically moves about 1.3°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 82°F and 84°F.

Jacksonville Beach in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 47%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 189°F77°F45%30%
August 889°F77°F46%31%
August 1589°F77°F46%32%
August 2288°F77°F46%32%
August 3188°F77°F46%32%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 30)
Jacksonville Beach: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 189°F77°F45%30%13 h 40 min
August 289°F77°F45%31%13 h 40 min
August 389°F77°F45%31%13 h 30 min
August 489°F77°F45%31%13 h 30 min
August 589°F77°F45%31%13 h 30 min
August 689°F77°F45%31%13 h 30 min
August 789°F77°F46%31%13 h 30 min
August 889°F77°F46%31%13 h 30 min
August 989°F77°F46%31%13 h 30 min
August 1089°F77°F46%31%13 h 20 min
August 1189°F77°F46%32%13 h 20 min
August 1289°F77°F46%32%13 h 20 min
August 1389°F77°F46%32%13 h 20 min
August 1489°F77°F46%32%13 h 20 min
August 1589°F77°F46%32%13 h 20 min
August 1689°F77°F46%32%13 h 10 min
August 1789°F77°F46%32%13 h 10 min
August 1889°F77°F47%32%13 h 10 min
August 1989°F77°F47%32%13 h 10 min
August 2088°F77°F47%32%13 h 10 min
August 2188°F77°F46%32%13 h 10 min
August 2288°F77°F46%32%13 h 10 min
August 2388°F77°F46%32%13 h
August 2488°F77°F46%32%13 h
August 2588°F77°F46%32%13 h
August 2688°F77°F46%32%13 h
August 2788°F77°F46%32%13 h
August 2888°F77°F46%32%13 h
August 2988°F77°F46%32%12 h 50 min
August 3088°F77°F46%32%12 h 50 min
August 3188°F77°F46%32%12 h 50 min
Normal high
89°FAugust average
Normal low
77°FAugust average
Precipitation
7.54 inmonth total
Days with precipitation
140.01 inch or more
Days at 90°F or more
10
Daylight
13 h 40 min to 12 h 50 minAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
31
Sunshine
80%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00084366; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Jacksonville Beach in August?

On a given August day the chance of 0.01 inch or more is 46% on average, highest around August 18 (47%). In all, 7.54 in falls on 14 days of a normal August, 2 of them with an inch or more.

In a normal August in Jacksonville Beach, 10 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00084366.

What are the records for August in Jacksonville Beach?

The warmest August temperature on this station's record (since 1944) is 102°F, on August 1, 1999; the coldest is 63°F, on August 22, 1956. The wettest August brought 30.75 in (1995).

The August mean against the 1991-2020 normal of 82.8°F: 2021 84.5°F (+1.7), 2022 83.7°F (+0.9), 2024 84.0°F (+1.2), 2025 83.2°F (+0.4), 2026 82.1°F (−0.7). 4 of 5 ran warmer than normal.

Jacksonville Beach: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202184.5°F+1.7°F11.49 in
202283.7°F+0.9°F7.05 in
202484.0°F+1.2°F9.73 in
202583.2°F+0.4°F11.98 in
202682.1°F−0.7°F6.13 in

Source: records: ACIS, station USC00084366; recent months: ACIS, station USC00084366. Records and recent months use complete months only.

How does August in Jacksonville Beach compare across Florida?

Across the 106 places PlainClimate covers in Florida, August normal highs run from 88°F in Palm Coast to 94°F in Plant City; Jacksonville Beach's is 89°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places