Petaluma weather in February

In February, Petaluma sees average daytime highs of 59°F and overnight lows near 43°F, with 5.6 in of rain across 9.3 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 59°F through the month. The sky is clear or mostly clear about 34% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of February to 11 hours by month's end. Set against the rest of the year, February is Petaluma's 11th-clearest and 5th-windiest month. For the whole year in context, see Petaluma's year-round climate.

Daytime high
59°
10th warmest
Overnight low
43°
3rd coldest
Rainfall
5.6 in
9.3 wet days
Daylight
10 h 30 min
7:09 AM – 5:41 PM
Cloud cover
58%
11th clearest
Wind
6 mph
5th windiest
Solar energy
3.24 kWh/m²
Travel score
4.5
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 February

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 59°F through the month.

A typical February day in Petaluma reaches about 59°F in the afternoon and slips back to 43°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 52°F and 66°F. Set against its neighbours, February runs about 2°F warmer than January and about 2°F cooler than March.

30°40°50°60°70°151015202528
Avg high (°F)Avg low (°F)
15843
25843
35843
45843
55843
65943
75943
85943
95943
105943
115943
125944
135944
145944
155944
165944
175844
185844
195844
205844
215844
225944
235944
245944
255944
265944
275944
285944

Petaluma weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 1st-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 February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in February.

Beyond those clear spells, partly cloudy skies cover about 13% of February, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14654
24753
34753
44753
54753
64753
74753
84753
94654
104555
114555
124753
134654
144654
154654
164654
174654
184654
194654
204654
214753
224753
234852
244852
254951
265050
274951
285149

Chance of precipitation in February

Any precipitation

Petaluma gets around 5.6 in of rain over 9.3 wet days in February, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202528
Rain chance (%)
130
230
329
429
530
630
730
831
932
1032
1133
1234
1334
1435
1535
1635
1735
1836
1936
2036
2136
2236
2336
2436
2536
2635
2735
2834

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, February lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)
1991
2982
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14991
15991
16991
17991
18991
19991
20991
211000
221000
231000
24991
25991
26991
27991
28991

Wind in February

Winds average 6 mph in February.

Across February, 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.

0246810151015202528
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 hours at the start of February to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over February. Sunrise moves from 7:23 AM to 6:53 AM, and sunset from 5:25 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:235:25
210.17:225:26
310.17:215:28
410.17:205:29
510.27:195:30
610.27:195:31
710.27:185:32
810.37:175:33
910.37:165:34
1010.37:155:35
1110.47:145:36
1210.47:135:38
1310.57:125:39
1410.57:115:40
1510.57:095:41
1610.67:085:42
1710.67:075:43
1810.67:065:44
1910.77:055:45
2010.77:045:46
2110.87:025:47
2210.87:015:48
2310.87:005:50
2410.96:585:51
2510.96:575:52
2610.96:565:53
2711.06:545:54
2811.06:535:55

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.24 kWh/m².

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 — February's 3.24 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.8Moderate
22.8Moderate
32.8Moderate
42.9Moderate
52.9Moderate
62.9Moderate
73.0Moderate
83.0Moderate
93.0Moderate
103.1Moderate
113.1Moderate
123.1Moderate
133.2Moderate
143.2Moderate
153.2Moderate
163.3Moderate
173.3Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.7Moderate
263.7Moderate
273.8Moderate
283.8Moderate
Planning a trip in February

Hazard calendar for Petaluma

In seasonPeak

In February, Petaluma sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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 February a good time to visit Petaluma?

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

4.5
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

February is a reasonable time to visit Petaluma for sightseeing.

What to pack for Petaluma in February

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

In February, Petaluma sees daytime highs around 59°F and nights near 43°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

Sea temperature near Petaluma in February

The nearest coast averages about 53°F in February — 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 February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 4 — enough to warrant sun protection. 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 February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February 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
February 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).