Overland weather in August

In August, Overland sees average daytime highs of 86°F and overnight lows near 68°F, with 2.9 in of rain across 9.2 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 86°F through the month. The sky is clear or mostly clear about 42% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Overland's 2nd-clearest and 12th-windiest month. For the whole year in context, see Overland's year-round climate.

Daytime high
86°
2nd warmest
Overnight low
68°
11th coldest
Rainfall
2.9 in
9.2 wet days
Daylight
13 h 30 min
5:20 AM – 6:51 PM
Cloud cover
50%
2nd clearest
Wind
5 mph
12th windiest
Solar energy
5.77 kWh/m²
Travel score
5.2
out of 10

Overland is city in St. Louis County, Missouri, United States.

Density
1,409/km²
people per km²

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 86°F through the month.

A typical August day in Overland reaches about 86°F in the afternoon and slips back to 68°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 78°F and 94°F. Set against its neighbours, August runs about 1°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18769
28769
38769
48769
58769
68769
78669
88669
98669
108669
118668
128668
138668
148668
158668
168668
178668
188668
198668
208668
218668
228667
238667
248667
258567
268567
278567
288567
298566
308566
318566

How August really feels in Overland

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Overland weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan39° / 24°2.88.22.99.60.0
Feb44° / 28°2.57.72.810.50.8
Mar55° / 37°3.710.51.411.73.5
Apr66° / 47°4.611.20.2135.8
May75° / 58°5.013.5014.16.2
Jun84° / 67°4.211014.75.4
Jul87° / 70°3.49.9014.44.7
Aug86° / 68°2.99.2013.55.2
Sep79° / 60°3.37.6012.37.1
Oct67° / 48°3.48.40.1116.6
Nov54° / 37°3.68.60.89.93.4
Dec43° / 29°2.68.22.29.30.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45941
55941
65941
76040
86040
96040
106139
116238
126238
136238
146238
156337
166337
176337
186337
196337
206337
216436
226436
236436
246436
256436
266436
276535
286535
296535
306535
316535

Chance of precipitation in August

Any precipitation

Overland gets around 2.9 in of rain over 9.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1431
1530
1630
1730
1830
1929
2029
2129
2229
2328
2428
2527
2627
2727
2826
2926
3026
3126

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 57% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13142229311
23142230301
34142231291
44142232281
54142232271
64142133271
75142133261
85142134251
95152034251
106152034241
116162034241
126162034241
136161934231
146172034231
156172034221
166172034221
176172034221
186172034221
196172034221
206172134221
216162134220
226162134230
236162134230
247162134220
257162234220
267152233220
278152233210
288152234200
299162333200
3010162332190
3111162332180

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 6 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
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 5:06 AM to 5:34 AM, and sunset from 7:09 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:067:09
214.05:077:08
314.05:087:07
413.95:097:06
513.95:107:05
613.95:117:03
713.85:127:02
813.85:137:01
913.85:147:00
1013.75:146:59
1113.75:156:58
1213.75:166:56
1313.65:176:55
1413.65:186:54
1513.65:196:52
1613.55:206:51
1713.55:216:50
1813.45:226:48
1913.45:236:47
2013.45:246:46
2113.35:256:44
2213.35:256:43
2313.25:266:41
2413.25:276:40
2513.25:286:38
2613.15:296:37
2713.15:306:35
2813.05:316:34
2913.05:326:32
3013.05:336:31
3112.95:346:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.77 kWh/m².

For context, solar energy here swings from a low near 1.9 kWh/m² to a high of 6.43 kWh/m² in June across the year — August's 5.77 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in August

Is August a good time to visit Overland?

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

5.2
Sightseeing
6th-best month of the year
7.1
Beach & pool
1st-best month of the year

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

What to pack for Overland in August

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

In August, Overland sees daytime highs around 86°F and nights near 68°F. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

UV index in Overland in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Overland peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Overland in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Overland is worst in August — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodAug 1018 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar13Moderate
Apr11Good
May14Moderate
Jun16Moderate
Jul18Moderate
Aug18Moderate
Sep13Moderate
Oct8Good
Nov9Good
Dec10Good
Location & terrain

Where is Overland?

Overland sits at 38.7°N, 90.4°W, 640 ft above sea level, in United States. The nearest listed city is Maryland Heights, 3.7 mi away.

Topography around Overland

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

Within 2 miles, the terrain around Overland has only modest variations in elevation — a maximum elevation change of 197 ft around an average of 627 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 482 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 978 ft.

The land around Overland is covered by trees (50%) and artificial surfaces (40%) within 2 miles, trees (45%) and artificial surfaces (33%) within 10 miles, and trees (48%) and cropland (37%) within 50 miles.

2 miles
197 ft
10 miles
482 ft
50 miles
978 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Maryland Heights 3.7 mi · University City 4.3 mi · Ferguson 4.3 mi · Creve Coeur 4.3 mi · Clayton 4.3 mi · Hazelwood 5.0 mi · Florissant 6.2 mi · Webster Groves 7.5 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 Overland (38.7012°, -90.3623°, elevation 640 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).