Novato weather in August

In August, Novato sees average daytime highs of 73°F and overnight lows near 56°F, with 0.0 in of rain across 0.2 wet days and about 13.5 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 73°F through the month. The sky is clear or mostly clear about 84% 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 Novato's 2nd-clearest and 5th-windiest month. For the whole year in context, see Novato's year-round climate.

Daytime high
73°
2nd warmest
Overnight low
56°
12th coldest
Rainfall
0.0 in
0.2 wet days
Daylight
13 h 30 min
5:30 AM – 6:59 PM
Cloud cover
24%
2nd clearest
Wind
7 mph
5th windiest
Solar energy
6.93 kWh/m²
Travel score
9.0
out of 10

Novato is city in Marin County, California, United States.

Density
767/km²
people per km²
Founded
1960

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 73°F through the month.

A typical August day in Novato reaches about 73°F in the afternoon and slips back to 56°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 80°F. Set against its neighbours, August runs on par with July and on par with September.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17255
27255
37255
47255
57256
67256
77256
87256
97256
107356
117356
127356
137356
147356
157356
167356
177356
187356
197356
207356
217356
227356
237356
247356
257356
267356
277356
287356
297356
307356
317356

Novato weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 44°4.59.99.73.9
Feb58° / 46°4.7910.54.4
Mar61° / 48°3.48.811.75.2
Apr63° / 49°1.54.9136.5
May67° / 52°0.83147.6
Jun71° / 54°0.20.814.68.6
Jul72° / 55°0.00.114.48.9
Aug73° / 56°0.00.213.59.0
Sep73° / 55°0.10.412.39.0
Oct70° / 53°1.02.9118.1
Nov62° / 48°2.269.95.9
Dec56° / 44°4.49.89.43.9

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 7%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1928
2928
3928
4928
5928
6928
7928
8928
9928
10919
11919
12919
13928
14928
15928
16928
17928
18928
19928
20928
21937
22937
23937
24946
25946
26946
27955
28955
29955
30955
31955

Chance of precipitation in August

Any precipitation

Novato gets around 0.0 in of rain over 0.2 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
175250
274260
373270
472280
570300
669310
769310
868320
967330
1067330
1166340
1266340
1366340
1466340
1565341
1665341
1765341
1865341
1965341
2065341
2165341
2266331
2366331
2466331
2566331
2667321
2767321
2868311
2968302
3068302
3169292

Wind in August

Winds average 7 mph in August.

Across August, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
77light breeze
87light breeze
97light breeze
107light breeze
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:16 AM to 5:43 AM, and sunset from 7:16 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:167:16
214.05:177:15
313.95:187:14
413.95:197:13
513.95:207:12
613.85:217:11
713.85:227:10
813.85:237:09
913.75:237:08
1013.75:247:06
1113.75:257:05
1213.65:267:04
1313.65:277:03
1413.65:287:02
1513.55:297:00
1613.55:306:59
1713.55:316:58
1813.45:326:56
1913.45:326:55
2013.35:336:54
2113.35:346:52
2213.35:356:51
2313.25:366:49
2413.25:376:48
2513.15:386:46
2613.15:396:45
2713.15:406:44
2813.05:406:42
2913.05:416:41
3012.95:426:39
3112.95:436:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.93 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 7.85 kWh/m² in June across the year — August's 6.93 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.2Intense
67.2Intense
77.2Intense
87.2Intense
97.1Intense
107.1Intense
117.1Intense
127.1Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
176.9Intense
186.9Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.7Intense
246.7Intense
256.7Intense
266.6Intense
276.6Intense
286.6Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in August

Hazard calendar for Novato

In seasonPeak

None of Novato's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Novato's rainy season runs November–March, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Novato?

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

9.0
Sightseeing
1st-best month of the year
6.7
Beach & pool
2nd-best month of the year

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

What to pack for Novato in August

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

In August, Novato sees daytime highs around 73°F and nights near 56°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Novato in August

The nearest coast averages about 58°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 16 mi away) is warmest in September at about 58°F and coldest in April near 53°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
Jan53Bracing
Feb53Bracing
Mar54Bracing
Apr53Bracing
May53Bracing
Jun54Bracing
Jul56Bracing
Aug58Bracing
Sep58Bracing
Oct57Bracing
Nov55Bracing
Dec54Bracing

UV index in Novato 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 Novato peaks around July 11 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 highHighModerateJul 11UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Low

Air quality in Novato 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 Novato is worst in September — around 29 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1829 µg/m³Jun 127 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar13Moderate
Apr10Good
May8Good
Jun7Good
Jul10Good
Aug25Moderate
Sep29Moderate
Oct27Moderate
Nov16Moderate
Dec12Good
Location & terrain

Where is Novato?

Novato sits at 38.1°N, 122.6°W, 30 ft above sea level, in United States. The nearest listed city is Petaluma, 9.3 mi away.

Topography around Novato

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

Within 2 miles, the terrain around Novato has only modest variations in elevation — a maximum elevation change of 689 ft around an average of 102 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,870 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,915 ft.

The land around Novato is covered by trees (38%), artificial surfaces (29%) and grassland (26%) within 2 miles, grassland (39%) and trees (32%) within 10 miles, and water (37%), trees (26%) and grassland (23%) within 50 miles.

2 miles
689 ft
10 miles
1,870 ft
50 miles
4,915 ft
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
August weather nearby: Petaluma 9.3 mi · San Rafael 9.3 mi · Agua Caliente 16 mi · San Pablo 16 mi · Pinole 16 mi · Hercules 17 mi · Richmond 17 mi · Vallejo 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 Novato (38.1074°, -122.5697°, elevation 30 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).