Lakeside weather in August

In August, Lakeside sees average daytime highs of 81°F and overnight lows near 65°F, with 0.1 in of rain across 0.5 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 81°F through the month. The sky is clear or mostly clear about 88% of the time in August, and the air most often feels humid.

Daylight stretches from about 13 h 36 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Lakeside's 1st-clearest and 10th-windiest month. For the whole year in context, see Lakeside's year-round climate.

Daytime high
81°
1st warmest
Overnight low
65°
12th coldest
Rainfall
0.1 in
0.5 wet days
Daylight
13 h 12 min
5:15 AM – 6:28 PM
Cloud cover
16%
1st clearest
Wind
4 mph
10th windiest
Solar energy
7.3 kWh/m²
Travel score
8.7
out of 10

Lakeside is census-designated place in San Diego County, California, United States.

Density
1,095/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 81°F through the month.

A typical August day in Lakeside reaches about 81°F in the afternoon and slips back to 65°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 87°F. Set against its neighbours, August runs about 2°F warmer than July and on par with September.

60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18065
28065
38065
48065
58065
68065
78065
88065
98065
108165
118165
128165
138165
148165
158165
168166
178166
188166
198166
208166
218166
228166
238266
248266
258266
268266
278266
288266
298266
308266
318266

Lakeside 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
Jan64° / 48°2.35.610.16.8
Feb64° / 48°2.9710.86.3
Mar65° / 50°1.95.811.86.8
Apr68° / 53°0.93.912.87.6
May70° / 56°0.4213.78.2
Jun74° / 60°0.10.614.19.2
Jul79° / 64°0.10.713.98.9
Aug81° / 65°0.10.513.28.7
Sep80° / 64°0.20.912.28.8
Oct76° / 59°0.62.511.28.7
Nov70° / 53°0.93.310.37.9
Dec64° / 48°1.95.29.96.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 88% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of August, with mostly cloudy or overcast conditions the remaining 5%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3937
4937
5937
6946
7955
8955
9955
10964
11964
12964
13964
14964
15964
16955
17964
18964
19955
20955
21955
22955
23955
24955
25955
26955
27955
28955
29955
30955
31955

Chance of precipitation in August

Any precipitation

Lakeside 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 (%)
12
22
32
42
52
62
72
81
91
101
111
121
131
141
151
161
171
182
192
202
212
222
232
242
253
263
273
283
293
303
313

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1241499
2240499
3240499
4240499
5240499
6340489
7340489
83404710
93414610
103414610
113424510
123424410
133424411
143434411
153434411
162434411
172424411
182424411
192424511
203414511
213414611
223404611
233404611
243404611
253404611
264394611
274394612
284384612
294374513
305374513
315374414

Wind in August

Winds average 4 mph in August.

Across August, daily wind ranges from about 4 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
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 36 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:05 AM to 5:25 AM, and sunset from 6:43 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:056:43
213.65:056:42
313.65:066:41
413.65:076:40
513.55:076:39
613.55:086:39
713.55:096:38
813.55:106:37
913.45:106:36
1013.45:116:35
1113.45:126:34
1213.35:126:33
1313.35:136:32
1413.35:146:31
1513.35:146:30
1613.25:156:28
1713.25:166:27
1813.25:166:26
1913.15:176:25
2013.15:186:24
2113.15:196:23
2213.05:196:21
2313.05:206:20
2413.05:216:19
2512.95:216:18
2612.95:226:17
2712.95:236:15
2812.85:236:14
2912.85:246:13
3012.85:256:11
3112.75:256:10

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.3 kWh/m².

For context, solar energy here swings from a low near 3.14 kWh/m² to a high of 8.08 kWh/m² in June across the year — August's 7.3 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.1Intense
247.1Intense
257.0Intense
267.0Intense
277.0Intense
286.9Intense
296.9Intense
306.9Intense
316.8Intense
Planning a trip in August

Is August a good time to visit Lakeside?

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

8.7
Sightseeing
4th-best month of the year
8.9
Beach & pool
1st-best month of the year

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

What to pack for Lakeside in August

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

In August, Lakeside sees daytime highs around 81°F and nights near 65°F. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Lakeside in August

The nearest coast averages about 70°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 20 mi away) is warmest in August at about 70°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan60Cool
Feb59Cool
Mar60Cool
Apr61Cool
May63Cool
Jun65Cool
Jul68Refreshing
Aug70Refreshing
Sep69Refreshing
Oct67Cool
Nov64Cool
Dec61Cool

UV index in Lakeside 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 Lakeside peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Dec 17UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Lakeside 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 Lakeside is worst in September — around 26 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (May, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1625 µg/m³May 168 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Moderate
Mar12Moderate
Apr11Good
May8Good
Jun11Good
Jul11Good
Aug15Moderate
Sep26Moderate
Oct14Moderate
Nov12Moderate
Dec16Moderate
Location & terrain

Where is Lakeside?

Lakeside sits at 32.9°N, 116.9°W, 413 ft above sea level, in United States. The nearest listed city is Winter Gardens, 1.9 mi away.

Topography around Lakeside

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

Within 2 miles, the terrain around Lakeside has significant variations in elevation — a maximum elevation change of 846 ft around an average of 535 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,537 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 6,450 ft.

The land around Lakeside is covered by artificial surfaces (44%) and trees (21%) within 2 miles, shrubs (39%), trees (25%) and artificial surfaces (22%) within 10 miles, and shrubs (28%) and water (23%) within 50 miles.

2 miles
846 ft
10 miles
3,537 ft
50 miles
6,450 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Winter Gardens 1.9 mi · Santee 3.1 mi · Bostonia 3.7 mi · El Cajon 5.0 mi · Casa de Oro-Mount Helix 6.8 mi · Rancho San Diego 7.5 mi · La Mesa 8.7 mi · Spring Valley 8.7 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 Lakeside (32.8573°, -116.9223°, elevation 413 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).