UTC Offset
UTC-07:00
Santa Rosa, United States Snapshot 2026
Where is Santa Rosa?
Santa Rosa, United States
- Continent
- Americas
- Country
- United States
- City
- Santa Rosa
- Population
- 178.1K
- Elevation
- 50 m
- Coordinates
- 38.44°, -122.71°
Santa Rosa is a city in United States with a population of approximately 178.1K. Average temperatures range from 5°C (41°F) in February to 31°C (87°F) in July. The best time to visit is May, June, July, August, September.
Time in Santa Rosa right now
Open full time & time zone page 18:47 47
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 Santa Rosa
Daylight in Santa Rosa today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 50m
Climate normals for Santa Rosa
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 / 5°C | 13°C / 3°C | 11days (159 mm) Wet | 6.4h Fair | 83% Humid | 2.7 Moderate | Fair | View Details |
| February | 17°C / 5°C | 15°C / 3°C | 8days (141 mm) Wet | 8.1h Good | 76% Humid | 3.4 Moderate | Fair | View Details |
| March | 17°C / 6°C | 16°C / 4°C | 12days (122 mm) Wet | 9.1h Good | 77% Humid | 5 Moderate | Good | View Details |
| April | 21°C / 8°C | 21°C / 7°C | 4days (36 mm) Good | 11.1h Excellent | 70% Muggy | 6.7 High | Good | View Details |
| May best | 25°C / 11°C | 25°C / 10°C | 3days (21 mm) Excellent | 12.6h Excellent | 64% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 30°C / 14°C | 30°C / 13°C | 1days (2 mm) Excellent | 13.5h Excellent | 56% Moderate | 8.1 Very High | Excellent | View Details |
| July best | 31°C / 15°C | 32°C / 15°C | 0days (0 mm) Excellent | 13.4h Excellent | 58% Moderate | 8.2 Very High | Excellent | View Details |
| August best | 31°C / 15°C | 32°C / 15°C | 0days (0 mm) Excellent | 12.5h Excellent | 60% Moderate | 7.6 Very High | Excellent | View Details |
| September best | 29°C / 15°C | 29°C / 15°C | 1days (6 mm) Excellent | 11.3h Excellent | 62% Muggy | 6.4 High | Excellent | View Details |
| October | 26°C / 12°C | 24°C / 11°C | 3days (40 mm) Excellent | 9.3h Good | 62% Muggy | 4.6 Moderate | Excellent | View Details |
| November | 19°C / 7°C | 18°C / 6°C | 7days (82 mm) Good | 7.9h Good | 74% Muggy | 3.2 Moderate | Good | View Details |
| December | 15°C / 5°C | 14°C / 3°C | 10days (131 mm) Wet | 6.3h Fair | 82% Humid | 2.4 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 15°C / 5°C . Feb: 17°C / 5°C . Mar: 17°C / 6°C . Apr: 21°C / 8°C . May: 25°C / 11°C . Jun: 30°C / 14°C . Jul: 31°C / 15°C . Aug: 31°C / 15°C . Sep: 29°C / 15°C . Oct: 26°C / 12°C . Nov: 19°C / 7°C . Dec: 15°C / 5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 159 mm. Feb: 141 mm. Mar: 122 mm. Apr: 36 mm. May: 21 mm. Jun: 2 mm. Jul: 0 mm. Aug: 0 mm. Sep: 6 mm. Oct: 40 mm. Nov: 82 mm. Dec: 131 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 83%. Feb: 76%. Mar: 77%. Apr: 70%. May: 64%. Jun: 56%. Jul: 58%. Aug: 60%. Sep: 62%. Oct: 62%. Nov: 74%. Dec: 82%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 13 km/h . Mar: 14 km/h . Apr: 14 km/h . May: 15 km/h . Jun: 15 km/h . Jul: 13 km/h . Aug: 12 km/h . Sep: 12 km/h . Oct: 11 km/h . Nov: 10 km/h . Dec: 11 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 12°C . Feb: 12°C . Mar: 12°C . Apr: 12°C . May: 13°C . Jun: 13°C . Jul: 15°C . Aug: 15°C . Sep: 17°C . Oct: 16°C . Nov: 13°C . Dec: 12°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 3. 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
Santa Rosa has a population of approximately 178.1K.
The best months to visit Santa Rosa are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Santa Rosa receives approximately 740mm of rainfall annually across 60 rainy days.
Santa Rosa is located in United States, in the Americas region.
Santa Rosa sits at an elevation of 50 m (164 ft) above sea level.