Key Largo, FL weather in July
In July, Key Largo sees highs around 93°F and lows around 74°F: hot and oppressively humid, with rain on most days. Rain falls on about 17 days. It is one of the warmest months in Key Largo. Plan outdoor time for mornings and evenings.
- Normal high
- 93°F
- Normal low
- 74°F
- Wet days
- 17
- 6.8 in total
- Muggy days
- 31
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 92°F | 93°F |
| Normal low | 73°F | 74°F |
| Chance of a wet day | 58% | 57% |
| Sunrise / sunset | 6:35 am / 8:15 pm | 6:48 am / 8:07 pm |
| Daylight | 13.7 h | 13.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical July day
- 6 am78°Fdew point 74°F
- 9 am85°Fdew point 75°F
- Noon87°Fdew point 75°F
- 3 pm87°Fdew point 75°F
- 6 pm84°Fdew point 75°F
- 9 pm80°Fdew point 75°F
NOAA hourly normals (local standard time) from Homestead AFB (28 mi away); average wind 6 mph; clear or few clouds in 40% of daytime hours, mostly cloudy or overcast in 39%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph11 of 31
- Hot dayshigh 90°F or more25 of 31
- Muggy daysdaily mean dew point 65°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow17 of 31
- Notable rainat least 0.10 in10 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 6.8 in; a dry July brings about 4.2 in and a wet one about 9.0 in (25th and 75th percentiles). About 5 days bring half an inch or more, and about 2 an inch or more.
How July varies from year to year
- Warmest July, 1991-20201996: average high 98°F
- Coolest July1992: average high 86°F
- Wettest July2013: 12.5 in
- Driest July1994: 3.0 in
- Highest reading102°F (July 17, 2011)
- Lowest reading67°F (July 5, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 91°F | 93°F | 93°F |
| Normal low | 72°F | 74°F | 74°F |
| Wet days | 17 | 17 | 19 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 13.7 h | 13.5 h | 13.0 h |
Highs change by +2°F from June and 0°F into August.
Nearby alternatives in July
- Drier: Key West, FL91 mi · high 90°F · 12 wet days
How Key Largo ranks in July
- Normal high93rd warmest of 378 cities; 2nd of 23 in Florida
- Wet days368th driest of 378
- Comfortable days267th most of 340
What to pack for Key Largo in July
- Light, breathable clothing – highs near 93°F and about 31 muggy days
- A rain jacket or umbrella – rain on about 17 days
- A swimsuit – about 11 beach days
Heating and cooling
July has 0 heating degree days and 558 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.
Questions
How hot is Key Largo in July?
The normal high is 93°F and the normal low is 74°F. From 1991 to 2020 the hottest July reading was 102°F (most recently on July 17, 2011).
Does it rain a lot in Key Largo in July?
About 17 days in July have at least 0.01 in of precipitation, and the normal total is 6.8 in. The wettest July in 1991-2020 was in 2013 (12.5 in); the driest was in 1994 (3.0 in).
Is July a good time to visit Key Largo?
July ranks 10th of 12 months on our comfort score for Key Largo (32 out of 100). It has almost no comfortable days and about 25 days at 90°F or hotter. The best months are January, February and March.
Where the numbers come from
- Temperature, rain and snow depth: Royal Palm RS (USC00087760), 23 mi NNW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and frost dates: Tavernier (USC00088841), 7.2 mi SW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Homestead AFB (USW00012826), 28 mi N of the city center, 16 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Homestead AFB Airport (722026-12826), 28 mi N of the city center, 5 ft . Hourly observations, 1991-2020.