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Jacksonville, FL Weather on July 17

Jacksonville sweltered to 100°F on this day in 1981

July 17 in Jacksonville typically brings summer heat with average highs near 92°F, but the city has experienced far more extreme conditions. The record high of 100°F was set in 1981, showing the intense peaks of Florida's summer climate. Over 55 years of records, the temperature range on this date spans 36 degrees, from a cool 64°F low in 1980 to that sweltering century mark.

By Weather On This Day|
Avg High
92°F
Avg Low
73°F
Record High
103°F
1981
Record Low
64°F
1980
Jacksonville, FL on July 17 — Temperature History60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on July 17

Planning for July 17th in Jacksonville, FL? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.

Frequently Asked Questions

What was the warmest July 17 ever in Jacksonville?

The warmest July 17 in Jacksonville, FL reached 103°F in 1981. That is 11°F above the long-term average high of 92°F.

What was the coldest July 17 ever in Jacksonville?

The coldest July 17 in Jacksonville, FL dropped to 64°F in 1980. That is 9°F below the long-term average low of 73°F.

What is the average temperature on July 17 in Jacksonville?

On July 17, Jacksonville averages a high of 92°F and a low of 73°F based on 55 years of NOAA weather observations from JACKSONVILLE.

How many years of weather data are available for July 17 in Jacksonville?

We have 55 years of weather records for July 17 in Jacksonville, FL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

July 17 Weather History in Jacksonville

YearHighLowPrecipSnow
202595°F77°F0"--
202494°F75°F2.72"--
202394°F76°F0.46"--
202291°F71°F5.69"--
202191°F72°F0"--
202091°F73°F0"--
201996°F73°F0"--
201891°F75°F0.53"--
201791°F71°F2.57"--
201695°F73°F0"--
201590°F75°F0"--
201489°F69°F0"--
201388°F72°F0"--
201290°F73°F0"--
201188°F74°F0"--
201095°F74°F0"--
200992°F73°F0.25"--
200884°F73°F5.23"--
200793°F70°F0"--
200693°F72°F0.05"--
200592°F73°F0"--
200489°F72°F0.41"--
200391°F73°F2.34"--
200297°F71°F0.51"--
200187°F71°F0"--
200098°F74°F0"--
199986°F72°F3.91"--
199888°F76°F0"--
199792°F72°F0.05"--
199690°F76°F0"--
199585°F71°F3.73"--
199496°F76°F0"--
199398°F77°F1.07"--
199294°F72°F1.42"--
199194°F71°F1.4"--
199089°F72°F0"--
198992°F76°F0.25"--
198895°F73°F0"--
198789°F67°F0"--
198697°F72°F0"--
198589°F72°F0.15"--
198491°F72°F1.09"--
198397°F76°F0"--
198289°F72°F0.74"--
1981103°F75°F0.13"--
198092°F64°F0"--
197990°F71°F0.28"--
197890°F74°F0.99"--
197792°F71°F0.28"--
197695°F73°F0.79"--
197586°F72°F0.03"--
197493°F70°F0"--
197396°F71°F0.13"--
197289°F70°F0"--
197193°F74°F0.25"--

Based on 55 years of data from NOAA station: JACKSONVILLE

How Has July 17 Changed?

The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.

Monthly Climate Averages

Historical temperature and precipitation averages for Jacksonville, FL, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 92°F / Low: 74°F
Coldest MonthJanuaryAvg High: 65°F / Low: 44°F
Jan
65°/ 44°
💧 9.3"
❄️ 0.1"
Feb
69°/ 47°
💧 9.2"
Mar
75°/ 52°
💧 11.3"
❄️ 0.5"
Apr
80°/ 58°
💧 10.6"
May
86°/ 65°
💧 11.1"
Jun
90°/ 71°
💧 11.5"
Jul
92°/ 74°
💧 11.0"
Aug
91°/ 74°
💧 11.4"
Sep
88°/ 71°
💧 14.0"
Oct
81°/ 63°
💧 10.2"
Nov
74°/ 53°
💧 8.0"
Dec
68°/ 47°
💧 8.6"
❄️ 0.6"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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