Florence in Summer

In summer (June, July and August), Florence sees average daytime highs around 89°F and overnight lows near 72°F, with 15.3 in of rain over about 45 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 89°F. The sky is clear or mostly clear about 28% of the time across summer, and the air most often feels oppressive.

Summer is Florence's weakest season of the year to visit on our travel score. For the whole year in context, see Florence's year-round climate.

Avg daytime high
89°F
warmest season of the year
Avg overnight low
72°F
Rainfall
15.3 in
45 wet days
Avg wind
6 mph
Travel score
3.7
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Florence in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 89°F.

A typical summer day in Florence reaches about 89°F and drops to 72°F overnight. The warmest of the three months is July, the coolest June.

60°80°100°JunJulAug

How summer really feels in Florence

Once humidity and wind are folded in, summer brings about 82 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F
82
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Florence weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan56° / 37°3.59.20.7103.9
Feb59° / 39°3.38.50.310.74.7
Mar67° / 45°3.59.30.211.76.3
Apr75° / 54°3.38.1012.87.2
May82° / 62°3.410013.86.2
Jun88° / 70°4.513.4014.24.1
Jul90° / 73°5.316.30143.3
Aug88° / 72°5.515.2013.33.8
Sep83° / 66°4.710.5012.25.7
Oct75° / 55°3.47.5011.17.4
Nov65° / 44°2.97.30.110.26.5
Dec58° / 39°3.78.50.29.84.6

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Florence gets around 15.3 in of rain over 45 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 6 mph across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 06 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.8 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Florence?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.7
Sightseeing
4th-best month of the year
5.8
Beach & pool
1st-best month of the year

summer is a weaker month for outdoor sightseeing in Florence.

What to pack for Florence in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Florence sees daytime highs around 89°F and nights near 72°F. Pack light clothes, rain gear and sun protection. About 45 days see rain.

light clothesrain gearsun protection

UV index in Florence in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Florence peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 14UV 9Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec3Moderate

Air quality in Florence in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Florence is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1517 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar16Moderate
Apr13Moderate
May13Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Florence?

Florence sits at 34.2°N, 79.8°W, 138 ft above sea level, in United States. The nearest listed city is Sumter, 38 mi away.

Topography around Florence

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Florence.

Within 2 miles, the terrain around Florence has only modest variations in elevation — a maximum elevation change of 151 ft around an average of 144 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 236 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 633 ft.

The land around Florence is covered by trees (62%) and artificial surfaces (23%) within 2 miles, trees (70%) within 10 miles, and trees (74%) within 50 miles.

2 miles
151 ft
10 miles
236 ft
50 miles
633 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Sumter 38 mi · Laurinburg 43 mi · Conway 48 mi · Lumberton 52 mi · Socastee 57 mi · Myrtle Beach 61 mi · North Myrtle Beach 67 mi · Monroe 71 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Florence (34.1954°, -79.7626°, elevation 138 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.