Leesburg weather in July

In July, Leesburg sees average daytime highs of 88°F and overnight lows near 69°F, with 3.9 in of rain across 11.8 wet days and about 14.5 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 28% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Leesburg's 5th-clearest and 11th-windiest month. For the whole year in context, see Leesburg's year-round climate.

Daytime high
88°
1st warmest
Overnight low
69°
12th coldest
Rainfall
3.9 in
11.8 wet days
Daylight
14 h 30 min
5:01 AM – 7:31 PM
Cloud cover
59%
5th clearest
Wind
5 mph
11th windiest
Solar energy
5.99 kWh/m²
Travel score
4.4
out of 10

Leesburg is historic town within and the county seat of Loudoun County, Virginia, United States.

Density
1,586/km²
people per km²
Founded
1758

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 88°F through the month.

A typical July day in Leesburg reaches about 88°F in the afternoon and slips back to 69°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 80°F and 95°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
18768
28768
38769
48769
58769
68769
78769
88869
98869
108869
118869
128869
138870
148870
158870
168870
178870
188870
198870
208870
218870
228870
238870
248870
258870
268770
278770
288770
298770
308770
318770

How July really feels in Leesburg

Once humidity and wind are folded in, July averages 8 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
8
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

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

Leesburg weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 28°3.08.639.60.3
Feb45° / 29°2.88.1310.51.1
Mar54° / 36°3.810211.73.3
Apr66° / 46°3.410.30.1135.8
May74° / 56°3.811.3014.16.5
Jun83° / 65°3.411.2014.75.5
Jul88° / 69°3.911.8014.54.4
Aug85° / 68°3.310.4013.55.1
Sep78° / 60°4.49.5012.36.7
Oct67° / 49°3.47.80116.5
Nov55° / 38°3.07.60.39.93.9
Dec46° / 32°3.59.12.19.31.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35149
45050
55050
65149
75149
85149
95248
105248
115347
125347
135347
145347
155347
165149
175149
185149
195050
205050
214951
224951
234852
244852
254852
264852
274951
284852
294852
304852
314852

Chance of precipitation in July

Any precipitation

Leesburg gets around 3.9 in of rain over 11.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
437
537
637
736
836
936
1035
1135
1235
1335
1435
1536
1636
1737
1837
1938
2039
2139
2239
2340
2440
2540
2641
2741
2841
2940
3040
3139

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11317233314
21316233314
31315233415
41315233415
51314243415
61314243416
71213243416
81213253416
91213253416
101112253417
111112263417
121012263517
131012263517
14912263517
15912263518
16812263518
17811263619
18811263619
19711263620
20711263620
21611263620
22611263721
23611253721
24611253721
25611253721
26611253820
27611253820
28611253820
29711253819
30711253719
31711253719

Wind in July

Winds average 5 mph in July.

Across July, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 42 min at the start of July to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:52 AM to 5:13 AM, and sunset from 7:35 PM to 7:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:527:35
214.74:527:35
314.74:537:35
414.74:537:35
514.74:547:35
614.74:557:34
714.74:557:34
814.64:567:34
914.64:567:34
1014.64:577:33
1114.64:587:33
1214.64:587:33
1314.64:597:32
1414.55:007:32
1514.55:007:31
1614.55:017:31
1714.55:027:30
1814.55:027:30
1914.45:037:29
2014.45:047:28
2114.45:057:28
2214.45:067:27
2314.35:067:26
2414.35:077:26
2514.35:087:25
2614.35:097:24
2714.25:107:23
2814.25:117:22
2914.25:127:21
3014.15:127:20
3114.15:137:19

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.99 kWh/m².

For context, solar energy here swings from a low near 1.95 kWh/m² to a high of 6.15 kWh/m² in June across the year — July's 5.99 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.1Intense
156.1Intense
166.1Intense
176.0Intense
186.0Intense
196.0Bright
206.0Bright
215.9Bright
225.9Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Leesburg?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.4
Sightseeing
7th-best month of the year
6.4
Beach & pool
4th-best month of the year

July is a reasonable time to visit Leesburg for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Leesburg in July

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

In July, Leesburg sees daytime highs around 88°F and nights near 69°F. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

UV index in Leesburg in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 Leesburg peaks around July 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJul 10UV 9Dec 19UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5High
Apr6High
May8Very high
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Leesburg in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Leesburg is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (November, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1317 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Leesburg?

Leesburg sits at 39.1°N, 77.6°W, 341 ft above sea level, in United States. The nearest listed city is Ashburn, 6.2 mi away.

Topography around Leesburg

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

Within 2 miles, the terrain around Leesburg has only modest variations in elevation — a maximum elevation change of 440 ft around an average of 374 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 823 ft; within 50 miles, large variations in elevation — a maximum elevation change of 3,609 ft.

The land around Leesburg is covered by trees (50%), grassland (26%) and artificial surfaces (22%) within 2 miles, trees (52%) and grassland (33%) within 10 miles, and trees (65%) and grassland (20%) within 50 miles.

2 miles
440 ft
10 miles
823 ft
50 miles
3,609 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Ashburn 6.2 mi · Sterling 11 mi · South Riding 14 mi · Herndon 14 mi · Reston 16 mi · Oak Hill 16 mi · Germantown 16 mi · North Potomac 16 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 Leesburg (39.1157°, -77.5636°, elevation 341 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).