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Sunnyvale, United States Snapshot 2026
Where is Sunnyvale?
Sunnyvale, United States
- Continent
- Americas
- Country
- United States
- City
- Sunnyvale
- Population
- 155.8K
- Elevation
- 39 m
- Coordinates
- 37.37°, -122.04°
Sunnyvale is a city in United States with a population of approximately 155.8K. Average temperatures range from 7°C (45°F) in January to 28°C (83°F) in August. The best time to visit is June, July, August, September, October.
Time in Sunnyvale right now
Open full time & time zone page 11:04 04
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 Sunnyvale
Daylight in Sunnyvale today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 43m
Climate normals for Sunnyvale
Long-term monthly averages based on historical data.
January
Fair 
February
Fair March
Good April
Good May
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October best
Excellent November
Good December
Fair | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 15°C / 7°C | 13°C / 5°C | 10days (150 mm) Wet | 7.1h Good | 81% Humid | 3.1 Moderate | Fair | View Details |
| February | 16°C / 7°C | 14°C / 5°C | 8days (122 mm) Wet | 8.6h Good | 74% Muggy | 3.9 Moderate | Fair | View Details |
| March | 17°C / 8°C | 16°C / 7°C | 12days (127 mm) Wet | 9.6h Good | 77% Humid | 5.5 High | Good | View Details |
| April | 20°C / 10°C | 19°C / 8°C | 5days (34 mm) Good | 11h Excellent | 74% Muggy | 6.9 High | Good | View Details |
| May | 22°C / 11°C | 22°C / 10°C | 2days (18 mm) Excellent | 12.5h Excellent | 69% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 26°C / 13°C | 26°C / 13°C | 0days (0 mm) Excellent | 13.4h Excellent | 64% Muggy | 8.2 Very High | Excellent | View Details |
| July best | 28°C / 15°C | 29°C / 15°C | 0days (0 mm) Excellent | 13.2h Excellent | 63% Muggy | 8.3 Very High | Excellent | View Details |
| August best | 28°C / 16°C | 29°C / 16°C | 0days (1 mm) Excellent | 12.4h Excellent | 66% Muggy | 7.7 Very High | Excellent | View Details |
| September best | 28°C / 16°C | 28°C / 17°C | 1days (5 mm) Excellent | 11.3h Excellent | 66% Muggy | 6.4 High | Excellent | View Details |
| October best | 25°C / 14°C | 24°C / 14°C | 2days (31 mm) Excellent | 9.7h Good | 64% Muggy | 5.1 High | Excellent | View Details |
| November | 19°C / 10°C | 17°C / 9°C | 6days (66 mm) Good | 8.2h Good | 73% Muggy | 3.5 Moderate | Good | View Details |
| December | 15°C / 8°C | 14°C / 5°C | 9days (121 mm) Wet | 6.9h Fair | 80% Humid | 2.9 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 15°C / 7°C . Feb: 16°C / 7°C . Mar: 17°C / 8°C . Apr: 20°C / 10°C . May: 22°C / 11°C . Jun: 26°C / 13°C . Jul: 28°C / 15°C . Aug: 28°C / 16°C . Sep: 28°C / 16°C . Oct: 25°C / 14°C . Nov: 19°C / 10°C . Dec: 15°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 150 mm. Feb: 122 mm. Mar: 127 mm. Apr: 34 mm. May: 18 mm. Jun: 0 mm. Jul: 0 mm. Aug: 1 mm. Sep: 5 mm. Oct: 31 mm. Nov: 66 mm. Dec: 121 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 81%. Feb: 74%. Mar: 77%. Apr: 74%. May: 69%. Jun: 64%. Jul: 63%. Aug: 66%. Sep: 66%. Oct: 64%. Nov: 73%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 14 km/h . Mar: 14 km/h . Apr: 13 km/h . May: 13 km/h . Jun: 13 km/h . Jul: 11 km/h . Aug: 11 km/h . Sep: 12 km/h . Oct: 11 km/h . Nov: 11 km/h . Dec: 11 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 12°C . Feb: 12°C . Mar: 14°C . Apr: 17°C . May: 20°C . Jun: 22°C . Jul: 23°C . Aug: 23°C . Sep: 23°C . Oct: 21°C . Nov: 16°C . Dec: 13°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 6. Oct: UV 5. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Sunnyvale has a population of approximately 155.8K.
The best months to visit Sunnyvale are June, July, August, September, October, when temperatures are pleasant and rainfall is lower.
Sunnyvale receives approximately 675mm of rainfall annually across 55 rainy days.
Sunnyvale is located in United States, in the Americas region.
Sunnyvale sits at an elevation of 39 m (128 ft) above sea level.