St. Augustine, FL weather in July
Expect hot, oppressively humid weather with frequent rain in St. Augustine in July, with highs near 91°F and lows near 74°F. Rain falls on about 12 days. It is one of the warmest months in St. Augustine.
- Normal high
- 91°F
- Normal low
- 74°F
- Wet days
- 12
- 4.9 in total
- Muggy days
- 31
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 90°F | 91°F |
| Normal low | 73°F | 74°F |
| Chance of a wet day | 40% | 42% |
| Sunrise / sunset | 6:28 am / 8:30 pm | 6:44 am / 8:19 pm |
| Daylight | 14.0 h | 13.6 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 am77°Fdew point 72°F
- 9 am83°Fdew point 73°F
- Noon89°Fdew point 72°F
- 3 pm89°Fdew point 71°F
- 6 pm85°Fdew point 72°F
- 9 pm81°Fdew point 72°F
NOAA hourly normals (local standard time) from Jacksonville NAS (32 mi away); average wind 7 mph.
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 mph18 of 31
- Hot dayshigh 90°F or more19 of 31
- Muggy daysdaily mean dew point 65°F or more31 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in8 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 4.9 in; a dry July brings about 3.5 in and a wet one about 6.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How July varies from year to year
- Warmest July, 1991-20201992: average high 95°F
- Coolest July2003: average high 87°F
- Wettest July1991: 9.6 in
- Driest July1999: 0.9 in
- Highest reading101°F (July 1, 1998)
- Lowest reading66°F (July 7, 1994)
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 | 89°F | 91°F | 90°F |
| Normal low | 72°F | 74°F | 74°F |
| Wet days | 12 | 12 | 15 |
| Comfortable days | 0 | 0 | 0 |
| Daylight | 14.0 h | 13.8 h | 13.2 h |
Highs change by +2°F from June and -1°F into August.
How St. Augustine ranks in July
- Normal high123rd warmest of 378 cities; 10th of 23 in Florida
- Wet days299th driest of 378
- Comfortable days277th most of 340
What to pack for St. Augustine in July
- Light, breathable clothing – highs near 91°F and about 31 muggy days
- A rain jacket or umbrella – rain on about 12 days
- A swimsuit – about 18 beach days
Heating and cooling
July has 0 heating degree days and 539 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.
Questions
How hot is St. Augustine in July?
The normal high is 91°F and the normal low is 74°F. From 1991 to 2020 the hottest July reading was 101°F (most recently on July 1, 1998).
Does it rain a lot in St. Augustine in July?
About 12 days in July have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest July in 1991-2020 was in 1991 (9.6 in); the driest was in 1999 (0.9 in).
Is July a good time to visit St. Augustine?
July ranks 11th of 12 months on our comfort score for St. Augustine (38 out of 100). It has almost no comfortable days and about 19 days at 90°F or hotter. The best months are February, March and November.
Where the numbers come from
- Temperature, rain and frost dates: St Augustine Lighthouse (USC00087826), 1.7 mi ESE of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Hastings 4NE (USC00083874), 13 mi SW of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Jacksonville NAS (USW00093837), 32 mi NW of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Jacksonville NAS (722065-93837), 32 mi NW of the city center, 20 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).