Livermore weather in August

In August, Livermore sees average daytime highs of 83°F and overnight lows near 58°F, with 0.1 in of rain across 0.3 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 83°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 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 Livermore's 2nd-clearest and 5th-windiest month. For the whole year in context, see Livermore's year-round climate.

Daytime high
83°
2nd warmest
Overnight low
58°
12th coldest
Rainfall
0.1 in
0.3 wet days
Daylight
13 h 30 min
5:27 AM – 6:55 PM
Cloud cover
10%
2nd clearest
Wind
5 mph
5th windiest
Solar energy
7.44 kWh/m²
Travel score
7.8
out of 10

Livermore is city in Alameda County, California, United States.

Density
1,264/km²
people per km²
Founded
1869

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 83°F through the month.

A typical August day in Livermore reaches about 83°F in the afternoon and slips back to 58°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 91°F. Set against its neighbours, August runs on par with July and about 3°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18458
28458
38458
48458
58458
68458
78458
88458
98458
108458
118458
128458
138458
148458
158458
168458
178458
188358
198358
208358
218358
228358
238358
248358
258358
268358
278358
288358
298358
308358
318358

Livermore weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 41°3.49.49.74.0
Feb59° / 43°3.38.810.54.7
Mar63° / 45°2.68.711.75.9
Apr68° / 47°1.35.212.97.2
May73° / 51°0.63148.4
Jun80° / 55°0.20.814.68.8
Jul84° / 58°0.00.214.37.8
Aug83° / 58°0.10.313.57.8
Sep81° / 56°0.10.512.38.7
Oct74° / 52°0.82.8118.6
Nov63° / 45°1.65.6106.3
Dec56° / 41°3.18.89.44.0

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 (%)
1955
2955
3955
4955
5955
6955
7955
8946
9946
10946
11946
12946
13955
14955
15955
16955
17955
18955
19955
20955
21955
22964
23964
24964
25964
26964
27973
28973
29973
30973
31973

Chance of precipitation in August

Any precipitation

Livermore gets around 0.1 in of rain over 0.3 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 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

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 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
170291
270291
370291
470291
570291
671290
771290
871290
970300
1070300
1170300
1269301
1369301
1469301
1569301
1669301
1769301
1869301
1969301
2070291
2170291
2271281
2371272
2471272
2572262
2673252
2773252
2874242
2976222
3077212
3178202

Wind in August

Winds average 5 mph in August.

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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:14 AM to 5:40 AM, and sunset from 7:12 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:147:12
213.95:157:11
313.95:167:10
413.95:177:09
513.85:187:08
613.85:187:07
713.85:197:06
813.75:207:05
913.75:217:04
1013.75:227:03
1113.65:237:01
1213.65:247:00
1313.65:256:59
1413.55:256:58
1513.55:266:56
1613.55:276:55
1713.45:286:54
1813.45:296:52
1913.45:306:51
2013.35:316:50
2113.35:326:48
2213.25:336:47
2313.25:336:46
2413.25:346:44
2513.15:356:43
2613.15:366:41
2713.05:376:40
2813.05:386:38
2913.05:396:37
3012.95:396:35
3112.95:406:34

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.44 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 8.21 kWh/m² in June across the year — August's 7.44 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.9Intense
27.8Intense
37.8Intense
47.8Intense
57.8Intense
67.8Intense
77.7Intense
87.7Intense
97.7Intense
107.6Intense
117.6Intense
127.6Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.4Intense
187.4Intense
197.3Intense
207.3Intense
217.3Intense
227.2Intense
237.2Intense
247.2Intense
257.1Intense
267.1Intense
277.0Intense
287.0Intense
297.0Intense
306.9Intense
316.9Intense
Planning a trip in August

Is August a good time to visit Livermore?

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

7.8
Sightseeing
5th-best month of the year
9.4
Beach & pool
1st-best month of the year

August is one of the better times to visit Livermore for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Livermore in August

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

In August, Livermore sees daytime highs around 83°F and nights near 58°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Livermore in August

The nearest coast averages about 59°F in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 39 mi away) is warmest in August at about 59°F and coldest in April near 54°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

52°54°56°58°60°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°F)Comfort
Jan54Bracing
Feb54Bracing
Mar54Bracing
Apr54Bracing
May54Bracing
Jun55Bracing
Jul57Bracing
Aug59Bracing
Sep59Bracing
Oct58Bracing
Nov56Bracing
Dec55Bracing

UV index in Livermore in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Livermore peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Moderate

Air quality in Livermore 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 Livermore is worst in August — around 34 µg/m³ PM2.5 (moderate), about 4.9× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateAug 1832 µg/m³Jun 157 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul9Good
Aug34Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec12Good
Location & terrain

Where is Livermore?

Livermore sits at 37.7°N, 121.8°W, 492 ft above sea level, in United States. The nearest listed city is Pleasanton, 6.2 mi away.

Topography around Livermore

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

Within 2 miles, the terrain around Livermore has only modest variations in elevation — a maximum elevation change of 259 ft around an average of 509 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,064 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,452 ft.

The land around Livermore is covered by artificial surfaces (62%) and grassland (21%) within 2 miles, grassland (67%) within 10 miles, and grassland (30%) and trees (28%) within 50 miles.

2 miles
259 ft
10 miles
3,064 ft
50 miles
4,452 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Pleasanton 6.2 mi · Dublin 9.3 mi · San Ramon 13 mi · Union City 15 mi · Fremont 15 mi · Danville 16 mi · Hayward 17 mi · Castro Valley 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 Livermore (37.6819°, -121.768°, elevation 492 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).