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Granite Bay, United States Snapshot 2026
Where is Granite Bay?
Granite Bay, United States
- Continent
- Americas
- Country
- United States
- City
- Granite Bay
- Population
- 20.4K
- Elevation
- 130 m
- Coordinates
- 38.76°, -121.16°
Granite Bay is a city in United States with a population of approximately 20.4K. Average temperatures range from 4°C (40°F) in January to 36°C (96°F) in July. The best time to visit is May, June, September, October. The city sits at an elevation of 130 m above sea level.
Time in Granite Bay right now
Open full time & time zone page 15:49 49
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 Granite Bay
Daylight in Granite Bay today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 52m
Climate normals for Granite Bay
Long-term monthly averages based on historical data.
January
Poor 
February
Fair 
March
Fair April
Good May best
Excellent June best
Excellent July
Good August
Good September best
Excellent October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 14°C / 4°C | 12°C / 1°C | 11days (161 mm) Wet | 6.5h Fair | 79% Humid | 2.7 Moderate | Poor | View Details |
| February | 16°C / 4°C | 13°C / 1°C | 8days (136 mm) Wet | 8.1h Good | 72% Muggy | 3.6 Moderate | Fair | View Details |
| March | 17°C / 6°C | 15°C / 3°C | 13days (147 mm) Wet | 9.1h Good | 72% Muggy | 5 Moderate | Fair | View Details |
| April | 22°C / 9°C | 21°C / 6°C | 6days (51 mm) Good | 10.9h Excellent | 63% Muggy | 6.6 High | Good | View Details |
| May best | 27°C / 12°C | 26°C / 10°C | 3days (24 mm) Excellent | 12.7h Excellent | 53% Moderate | 7.7 Very High | Excellent | View Details |
| June best | 33°C / 16°C | 33°C / 15°C | 1days (3 mm) Excellent | 13.6h Excellent | 43% Moderate | 8.1 Very High | Excellent | View Details |
| July | 36°C / 18°C | 36°C / 17°C | 0days (0 mm) Excellent | 13.6h Excellent | 41% Moderate | 8.1 Very High | Good | View Details |
| August | 35°C / 18°C | 35°C / 18°C | 0days (1 mm) Excellent | 12.6h Excellent | 43% Moderate | 7.5 Very High | Good | View Details |
| September best | 32°C / 16°C | 31°C / 15°C | 1days (7 mm) Excellent | 11.4h Excellent | 46% Moderate | 6.4 High | Excellent | View Details |
| October best | 26°C / 12°C | 24°C / 10°C | 3days (46 mm) Excellent | 9.6h Good | 50% Moderate | 4.8 Moderate | Excellent | View Details |
| November | 18°C / 7°C | 16°C / 4°C | 7days (90 mm) Good | 7.8h Good | 68% Muggy | 3.2 Moderate | Good | View Details |
| December | 14°C / 4°C | 12°C / 2°C | 10days (158 mm) Wet | 6.4h Fair | 79% Humid | 2.4 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 14°C / 4°C . Feb: 16°C / 4°C . Mar: 17°C / 6°C . Apr: 22°C / 9°C . May: 27°C / 12°C . Jun: 33°C / 16°C . Jul: 36°C / 18°C . Aug: 35°C / 18°C . Sep: 32°C / 16°C . Oct: 26°C / 12°C . Nov: 18°C / 7°C . Dec: 14°C / 4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 161 mm. Feb: 136 mm. Mar: 147 mm. Apr: 51 mm. May: 24 mm. Jun: 3 mm. Jul: 0 mm. Aug: 1 mm. Sep: 7 mm. Oct: 46 mm. Nov: 90 mm. Dec: 158 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 79%. Feb: 72%. Mar: 72%. Apr: 63%. May: 53%. Jun: 43%. Jul: 41%. Aug: 43%. Sep: 46%. Oct: 50%. Nov: 68%. Dec: 79%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 15 km/h . Feb: 16 km/h . Mar: 16 km/h . Apr: 14 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 12 km/h . Sep: 12 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
Granite Bay has a population of approximately 20.4K.
The best months to visit Granite Bay are May, June, September, October, when temperatures are pleasant and rainfall is lower.
Granite Bay receives approximately 824mm of rainfall annually across 63 rainy days.
Granite Bay is located in United States, in the Americas region.
Granite Bay sits at an elevation of 130 m (427 ft) above sea level.