Apex weather in July

In July, Apex sees average daytime highs of 89°F and overnight lows near 72°F, with 4.6 in of rain across 15.2 wet days and about 14.2 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 89°F through the month. The sky is clear or mostly clear about 25% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Apex's 12th-clearest and 11th-windiest month. For the whole year in context, see Apex's year-round climate.

Daytime high
89°
1st warmest
Overnight low
72°
12th coldest
Rainfall
4.6 in
15.2 wet days
Daylight
14 h 12 min
5:15 AM – 7:27 PM
Cloud cover
61%
12th clearest
Wind
5 mph
11th windiest
Solar energy
5.99 kWh/m²
Travel score
3.7
out of 10

Apex is town in Wake County, North Carolina, United States of America.

Density
1,140/km²
people per km²
Founded
1873

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 89°F through the month.

A typical July day in Apex reaches about 89°F in the afternoon and slips back to 72°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 96°F. Set against its neighbours, July runs about 3°F warmer than June and about 2°F warmer than August.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
18871
28971
38971
48971
58971
68971
78971
88971
98972
108972
118972
128972
138972
148972
158972
168972
178972
188972
198972
208972
218972
228972
238972
248972
258972
268972
278972
288872
298872
308872
318872

How July really feels in Apex

Once humidity and wind are folded in, July averages 31 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
31
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.

Apex 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
Jan51° / 34°3.79.31.29.92.7
Feb55° / 36°3.291.310.63.4
Mar62° / 42°4.110.40.511.75.4
Apr72° / 51°3.59.1012.96.8
May79° / 60°3.510.4013.96.6
Jun86° / 68°4.112.1014.44.8
Jul89° / 72°4.615.2014.23.7
Aug87° / 70°4.412.4013.44.5
Sep81° / 64°4.710.2012.26.3
Oct72° / 53°3.17.2011.17.2
Nov62° / 42°3.37.70.110.15.7
Dec54° / 37°3.69.10.69.63.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 22% of July, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74951
84852
94852
104852
114852
124852
134753
144753
154753
164654
174654
184654
194456
204456
214456
224456
234456
244555
254555
264654
274654
284654
294852
304852
314852

Chance of precipitation in July

Any precipitation

Apex gets around 4.6 in of rain over 15.2 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 48% and peaks near 53% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
444
545
644
744
844
944
1045
1145
1245
1345
1446
1547
1647
1748
1849
1950
2050
2151
2252
2352
2452
2553
2652
2752
2852
2951
3050
3150

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1381434410
2371433420
3371433430
4371432440
5271432450
6271332460
7271332460
8261332470
9261332480
10161232480
11161232490
12161132500
13151132510
14151032511
15151032511
1614932531
1714931541
1814831551
1914831551
2014730562
2114730562
2213729582
2313729582
2413728592
2513828582
2613828582
2714828572
2814928562
2914928562
30141028552
31141028552

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 24 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 5:07 AM to 5:26 AM, and sunset from 7:31 PM to 7:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:077:31
214.45:077:31
314.45:087:30
414.45:087:30
514.45:097:30
614.35:097:30
714.35:107:30
814.35:107:30
914.35:117:29
1014.35:117:29
1114.35:127:29
1214.35:127:29
1314.35:137:28
1414.25:147:28
1514.25:147:27
1614.25:157:27
1714.25:167:27
1814.25:167:26
1914.15:177:26
2014.15:187:25
2114.15:187:24
2214.15:197:24
2314.15:207:23
2414.05:217:23
2514.05:217:22
2614.05:227:21
2714.05:237:20
2813.95:247:20
2913.95:247:19
3013.95:257:18
3113.95:267:17

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 2.26 kWh/m² to a high of 6.17 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
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.0Intense
176.0Intense
186.0Bright
196.0Bright
205.9Bright
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 Apex?

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

3.7
Sightseeing
9th-best month of the year
5.8
Beach & pool
5th-best month of the year

July is a weaker month for outdoor sightseeing in Apex.

What to pack for Apex in July

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

In July, Apex sees daytime highs around 89°F and nights near 72°F. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Apex 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 Apex peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 13UV 9Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct5Moderate
Nov4Moderate
Dec2Moderate

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1718 µg/m³Nov 238 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar12Moderate
Apr12Moderate
May13Moderate
Jun16Moderate
Jul18Moderate
Aug16Moderate
Sep12Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Apex?

Apex sits at 35.7°N, 78.9°W, 499 ft above sea level, in United States. The nearest listed city is Cary, 5.6 mi away.

Topography around Apex

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

Within 2 miles, the terrain around Apex has only modest variations in elevation — a maximum elevation change of 243 ft around an average of 440 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 604 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,119 ft.

The land around Apex is covered by trees (62%) and artificial surfaces (26%) within 2 miles, trees (71%) within 10 miles, and trees (75%) within 50 miles.

2 miles
243 ft
10 miles
604 ft
50 miles
1,119 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Cary 5.6 mi · Holly Springs 5.6 mi · Morrisville 6.2 mi · Fuquay-Varina 11 mi · West Raleigh 11 mi · Raleigh 12 mi · Garner 13 mi · Chapel Hill 17 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 Apex (35.7326°, -78.8503°, elevation 499 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).