Petaluma weather in June

In June, Petaluma sees average daytime highs of 73°F and overnight lows near 53°F, with 0.2 in of rain across 1 wet days and about 14.6 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 71°F in the first days to 75°F by the end. The sky is clear or mostly clear about 77% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Petaluma's 4th-clearest and 2nd-windiest month. For the whole year in context, see Petaluma's year-round climate.

Daytime high
73°
4th warmest
Overnight low
53°
9th coldest
Rainfall
0.2 in
1 wet days
Daylight
14 h 36 min
4:51 AM – 7:30 PM
Cloud cover
25%
4th clearest
Wind
7 mph
2nd windiest
Solar energy
7.93 kWh/m²
Travel score
9.0
out of 10

Petaluma is city in Sonoma County, California, United States.

Density
1,611/km²
people per km²
Founded
1858

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 71°F in the first days to 75°F by the end.

A typical June day in Petaluma reaches about 73°F in the afternoon and slips back to 53°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 66°F and 82°F. Set against its neighbours, June runs about 5°F warmer than May and about 2°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17152
27152
37152
47153
57153
67253
77253
87253
97253
107353
117353
127353
137353
147353
157354
167454
177454
187454
197454
207454
217454
227454
237454
247454
257554
267554
277554
287554
297554
307555

Petaluma weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan56° / 42°5.410.39.63.9
Feb59° / 43°5.69.310.54.5
Mar61° / 45°4.29.311.75.3
Apr64° / 47°1.95.6136.5
May68° / 50°1.03.3147.7
Jun73° / 53°0.2114.69.0
Jul75° / 55°0.00.114.49.5
Aug75° / 55°0.00.213.59.5
Sep75° / 54°0.10.512.39.3
Oct71° / 51°1.23.1118.2
Nov62° / 45°2.86.29.95.9
Dec56° / 42°5.510.49.43.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 8% of June, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17921
27921
37921
48020
58020
68020
78020
88119
98119
108218
118416
128416
138515
148515
158614
168614
178713
188713
198713
208812
218812
228911
238911
248911
258911
269010
27919
28919
29919
30928

Chance of precipitation in June

Any precipitation

Petaluma gets around 0.2 in of rain over 1 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
16
26
35
45
55
65
74
84
94
104
114
124
133
143
153
163
173
183
193
202
212
222
232
242
252
262
272
282
291
301

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1919
2919
3919
4919
5919
6928
7928
8928
9928
10937
11937
12937
13937
14937
15937
16928
17928
18928
19919
20919
219010
228911
238812
248812
258713
268614
278515
288515
298416
308416

Wind in June

Winds average 7 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 30 min at the start of June to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 4:54 AM to 4:55 AM, and sunset from 7:22 PM to 7:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:547:22
214.54:547:22
314.54:547:23
414.54:537:24
514.54:537:24
614.54:537:25
714.64:527:26
814.64:527:26
914.64:527:27
1014.64:527:27
1114.64:527:28
1214.64:527:28
1314.64:527:29
1414.64:517:29
1514.64:517:30
1614.64:517:30
1714.64:527:30
1814.74:527:31
1914.74:527:31
2014.74:527:31
2114.74:527:32
2214.74:527:32
2314.74:527:32
2414.74:537:32
2514.74:537:32
2614.74:537:33
2714.74:537:33
2814.64:547:33
2914.64:547:33
3014.64:557:33

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.93 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.11 kWh/m² to a high of 7.93 kWh/m² in June across the year — June's 7.93 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.7Intense
47.7Intense
57.7Intense
67.8Intense
77.8Intense
87.8Intense
97.9Intense
107.9Intense
117.9Intense
128.0Intense
138.0Intense
148.0Intense
158.0Intense
168.0Intense
178.0Intense
188.0Intense
198.0Intense
208.0Intense
218.0Intense
228.0Intense
238.0Intense
248.0Intense
258.0Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
308.0Intense
Planning a trip in June

Hazard calendar for Petaluma

In seasonPeak

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

Petaluma'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 June a good time to visit Petaluma?

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

9.0
Sightseeing
4th-best month of the year
6.8
Beach & pool
4th-best month of the year

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

What to pack for Petaluma in June

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

In June, Petaluma sees daytime highs around 73°F and nights near 53°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Petaluma in June

The nearest coast averages about 54°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 25 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 Petaluma in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Petaluma peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 23UV 10Dec 17UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr6High
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep6High
Oct5High
Nov2Moderate
Dec2Low

Air quality in Petaluma in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Petaluma is worst in September — around 24 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (June, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1623 µg/m³Jun 116 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar9Good
Apr7Good
May7Good
Jun6Good
Jul9Good
Aug17Moderate
Sep24Moderate
Oct16Moderate
Nov9Good
Dec7Good
Location & terrain

Where is Petaluma?

Petaluma sits at 38.2°N, 122.6°W, 30 ft above sea level, in United States. The nearest listed city is Rohnert Park, 8.1 mi away.

Topography around Petaluma

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

Within 2 miles, the terrain around Petaluma has only modest variations in elevation — a maximum elevation change of 548 ft around an average of 121 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,464 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,915 ft.

The land around Petaluma is covered by artificial surfaces (43%), grassland (31%) and trees (22%) within 2 miles, grassland (55%) and trees (26%) within 10 miles, and water (33%), trees (31%) and grassland (24%) within 50 miles.

2 miles
548 ft
10 miles
2,464 ft
50 miles
4,915 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Rohnert Park 8.1 mi · Novato 9.3 mi · Agua Caliente 11 mi · Santa Rosa 15 mi · San Rafael 19 mi · Napa 19 mi · American Canyon 21 mi · Vallejo 22 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 Petaluma (38.2324°, -122.6367°, 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).