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Petaluma, United States Snapshot 2026
Where is Petaluma?
Petaluma, United States
- Continent
- Americas
- Country
- United States
- City
- Petaluma
- Population
- 60.4K
- Elevation
- 9 m
- Coordinates
- 38.23°, -122.64°
Petaluma is a city in United States with a population of approximately 60.4K. Average temperatures range from 6°C (44°F) in February to 27°C (81°F) in August. The best time to visit is May, June, July, August, September.
Time in Petaluma right now
Open full time & time zone page 14:12 12
Monday, June 15, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Petaluma
Daylight in Petaluma today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 49m
Climate normals for Petaluma
Long-term monthly averages based on historical data.
January
Fair 
February
Fair March
Good April
Good May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 7°C | 13°C / 4°C | 11days (149 mm) Wet | 6.5h Fair | 82% Humid | 2.8 Moderate | Fair | View Details |
| February | 16°C / 6°C | 14°C / 4°C | 7days (135 mm) Good | 8.2h Good | 76% Humid | 3.5 Moderate | Fair | View Details |
| March | 17°C / 7°C | 15°C / 5°C | 11days (119 mm) Wet | 9.1h Good | 77% Humid | 5.1 High | Good | View Details |
| April | 20°C / 9°C | 19°C / 7°C | 4days (37 mm) Good | 11h Excellent | 73% Muggy | 6.7 High | Good | View Details |
| May best | 23°C / 11°C | 22°C / 10°C | 3days (19 mm) Excellent | 12.5h Excellent | 68% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 26°C / 13°C | 26°C / 12°C | 0days (1 mm) Excellent | 13.3h Excellent | 63% Muggy | 8.1 Very High | Excellent | View Details |
| July best | 27°C / 14°C | 28°C / 13°C | 0days (0 mm) Excellent | 13h Excellent | 67% Muggy | 8.3 Very High | Excellent | View Details |
| August best | 27°C / 14°C | 28°C / 15°C | 0days (0 mm) Excellent | 12.2h Excellent | 69% Muggy | 7.6 Very High | Excellent | View Details |
| September best | 27°C / 14°C | 27°C / 14°C | 1days (5 mm) Excellent | 11.1h Excellent | 68% Muggy | 6.4 High | Excellent | View Details |
| October | 24°C / 12°C | 23°C / 12°C | 3days (36 mm) Excellent | 9.3h Good | 66% Muggy | 4.8 Moderate | Excellent | View Details |
| November | 18°C / 9°C | 17°C / 7°C | 7days (76 mm) Good | 7.9h Good | 75% Muggy | 3.3 Moderate | Good | View Details |
| December | 15°C / 6°C | 13°C / 4°C | 10days (126 mm) Wet | 6.3h Fair | 81% Humid | 2.4 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 15°C / 7°C . Feb: 16°C / 6°C . Mar: 17°C / 7°C . Apr: 20°C / 9°C . May: 23°C / 11°C . Jun: 26°C / 13°C . Jul: 27°C / 14°C . Aug: 27°C / 14°C . Sep: 27°C / 14°C . Oct: 24°C / 12°C . Nov: 18°C / 9°C . Dec: 15°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 149 mm. Feb: 135 mm. Mar: 119 mm. Apr: 37 mm. May: 19 mm. Jun: 1 mm. Jul: 0 mm. Aug: 0 mm. Sep: 5 mm. Oct: 36 mm. Nov: 76 mm. Dec: 126 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 76%. Mar: 77%. Apr: 73%. May: 68%. Jun: 63%. Jul: 67%. Aug: 69%. Sep: 68%. Oct: 66%. Nov: 75%. Dec: 81%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 17 km/h . Mar: 17 km/h . Apr: 18 km/h . May: 18 km/h . Jun: 18 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 15 km/h . Oct: 13 km/h . Nov: 12 km/h . Dec: 13 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 6. Oct: UV 5. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Petaluma has a population of approximately 60.4K.
The best months to visit Petaluma are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Petaluma receives approximately 703mm of rainfall annually across 57 rainy days.
Petaluma is located in United States, in the Americas region.
Petaluma sits at an elevation of 9 m (30 ft) above sea level.