Lancaster weather in August

In August, Lancaster sees average daytime highs of 92°F and overnight lows near 66°F, with 0.1 in of rain across 0.5 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 92°F through the month. The sky is clear or mostly clear about 90% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Lancaster's 2nd-clearest and 10th-windiest month. For the whole year in context, see Lancaster's year-round climate.

Daytime high
92°
1st warmest
Overnight low
66°
12th coldest
Rainfall
0.1 in
0.5 wet days
Daylight
13 h 18 min
5:17 AM – 6:36 PM
Cloud cover
13%
2nd clearest
Wind
6 mph
10th windiest
Solar energy
7.6 kWh/m²
Travel score
4.6
out of 10

Lancaster is city in Los Angeles County, California, United States.

Density
658/km²
people per km²
Founded
1977

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 92°F through the month.

A typical August day in Lancaster reaches about 92°F in the afternoon and slips back to 66°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 85°F and 99°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19267
29267
39267
49267
59267
69267
79266
89266
99266
109266
119266
129266
139266
149266
159266
169266
179266
189266
199266
209266
219266
229266
239166
249166
259166
269166
279166
289166
299165
309165
319065

How August really feels in Lancaster

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Lancaster weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 39°1.64.69.94.7
Feb59° / 41°1.9510.75.2
Mar64° / 44°1.2411.76.9
Apr70° / 48°0.51.912.88.3
May78° / 54°0.1113.88.8
Jun86° / 60°0.10.314.36.8
Jul92° / 66°0.11.114.14.6
Aug92° / 66°0.10.513.34.6
Sep86° / 62°0.10.612.26.8
Oct76° / 53°0.31.111.18.9
Nov64° / 44°0.41.910.27.2
Dec56° / 39°1.23.69.74.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 90% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1937
2937
3937
4946
5946
6955
7955
8955
9964
10964
11964
12964
13964
14964
15955
16955
17955
18955
19955
20964
21964
22964
23964
24964
25964
26964
27955
28955
29955
30946
31946

Chance of precipitation in August

Any precipitation

Lancaster gets around 0.1 in of rain over 0.5 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
32
42
52
62
72
82
92
102
112
122
132
142
152
162
172
182
191
201
211
221
231
242
252
262
272
282
292
303
313

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the dry band about 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
182153
282153
383143
484142
584142
684142
784142
886131
986131
1085141
1185141
1285141
1385141
1485141
1586131
1685132
1785132
1885132
1986122
2086122
2186122
2287112
2387112
2487112
2588102
2688102
2788102
2888102
2988102
3088102
318992

Wind in August

Winds average 6 mph in August.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:06 AM to 5:29 AM, and sunset from 6:51 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:066:51
213.75:076:50
313.75:076:50
413.75:086:49
513.65:096:48
613.65:106:47
713.65:106:46
813.65:116:45
913.55:126:44
1013.55:136:43
1113.55:136:42
1213.45:146:41
1313.45:156:39
1413.45:166:38
1513.35:176:37
1613.35:176:36
1713.35:186:35
1813.25:196:34
1913.25:206:32
2013.25:206:31
2113.15:216:30
2213.15:226:29
2313.15:236:27
2413.05:236:26
2513.05:246:25
2613.05:256:23
2712.95:266:22
2812.95:266:21
2912.95:276:19
3012.85:286:18
3112.85:296:17

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.6 kWh/m².

For context, solar energy here swings from a low near 3.03 kWh/m² to a high of 8.57 kWh/m² in June across the year — August's 7.6 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.9Intense
27.9Intense
37.9Intense
47.9Intense
57.9Intense
67.9Intense
77.8Intense
87.8Intense
97.8Intense
107.8Intense
117.8Intense
127.7Intense
137.7Intense
147.7Intense
157.7Intense
167.6Intense
177.6Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.4Intense
237.4Intense
247.3Intense
257.3Intense
267.3Intense
277.2Intense
287.2Intense
297.1Intense
307.1Intense
317.0Intense
Planning a trip in August

Is August a good time to visit Lancaster?

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

4.6
Sightseeing
10th-best month of the year
8.3
Beach & pool
3rd-best month of the year

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

What to pack for Lancaster in August

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

In August, Lancaster sees daytime highs around 92°F and nights near 66°F. Pack light clothes and sun protection.

light clothessun protection

UV index in Lancaster in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lancaster peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 highExtremeVery highModerateJun 21UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Lancaster 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 Lancaster is worst in December — around 29 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (May, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateDec 1428 µg/m³May 1812 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar17Moderate
Apr15Moderate
May12Good
Jun14Moderate
Jul25Moderate
Aug26Moderate
Sep24Moderate
Oct18Moderate
Nov23Moderate
Dec29Moderate
Location & terrain

Where is Lancaster?

Lancaster sits at 34.7°N, 118.1°W, 2,359 ft above sea level, in United States. The nearest listed city is Palmdale, 8.1 mi away.

Topography around Lancaster

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

Within 2 miles, the terrain around Lancaster has only modest variations in elevation — a maximum elevation change of 171 ft around an average of 2,362 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,795 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,961 ft.

The land around Lancaster is covered by artificial surfaces (66%) and bare terrain (23%) within 2 miles, grassland (47%) and bare terrain (29%) within 10 miles, and grassland (36%), shrubs (20%) and bare terrain (20%) within 50 miles.

2 miles
171 ft
10 miles
1,795 ft
50 miles
9,961 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrain
August weather nearby: Palmdale 8.1 mi · Rosamond 12 mi · Vincent 14 mi · Canyon Country 27 mi · Castaic 31 mi · Sunland 31 mi · Santa Clarita 31 mi · Tujunga 32 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 Lancaster (34.698°, -118.1367°, elevation 2,359 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).