UTC Offset
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Walnut Creek, United States Snapshot 2026
Where is Walnut Creek?
Walnut Creek, United States
- Continent
- Americas
- Country
- United States
- City
- Walnut Creek
- Population
- 68.9K
- Elevation
- 52 m
- Coordinates
- 37.91°, -122.06°
Walnut Creek is a city in United States with a population of approximately 68.9K. Average temperatures range from 7°C (44°F) in January to 29°C (85°F) in August. The best time to visit is May, June, July, August, September.
Time in Walnut Creek right now
Open full time & time zone page 16:56 56
Tuesday, June 16, 2026
IANA time zone
America/Los_Angeles
Daylight saving
DST in effect
PST / PDT
Next DST change
November 1
backward -1h
Live weather in Walnut Creek
Daylight in Walnut Creek today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 47m
Climate normals for Walnut Creek
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 | 10days (107 mm) Wet | 6.6h Fair | 82% Humid | 2.9 Moderate | Fair | View Details |
| February | 17°C / 7°C | 15°C / 4°C | 7days (82 mm) Good | 8.4h Good | 74% Muggy | 3.8 Moderate | Fair | View Details |
| March | 17°C / 8°C | 16°C / 5°C | 11days (86 mm) Wet | 9.3h Good | 75% Muggy | 5.4 High | Good | View Details |
| April | 21°C / 9°C | 20°C / 8°C | 4days (25 mm) Good | 11h Excellent | 70% Muggy | 6.8 High | Good | View Details |
| May best | 24°C / 12°C | 23°C / 10°C | 3days (14 mm) Excellent | 12.6h Excellent | 66% Muggy | 7.9 Very High | Excellent | View Details |
| June best | 28°C / 14°C | 28°C / 12°C | 0days (1 mm) Excellent | 13.5h Excellent | 62% Muggy | 8.1 Very High | Excellent | View Details |
| July best | 29°C / 14°C | 29°C / 14°C | 0days (0 mm) Excellent | 13.4h Excellent | 65% Muggy | 8.2 Very High | Excellent | View Details |
| August best | 29°C / 15°C | 30°C / 15°C | 0days (0 mm) Excellent | 12.4h Excellent | 67% Muggy | 7.6 Very High | Excellent | View Details |
| September best | 29°C / 15°C | 29°C / 15°C | 0days (3 mm) Excellent | 11.3h Excellent | 66% Muggy | 6.4 High | Excellent | View Details |
| October | 25°C / 13°C | 24°C / 12°C | 2days (22 mm) Excellent | 9.6h Good | 63% Muggy | 5 Moderate | Excellent | View Details |
| November | 19°C / 9°C | 17°C / 8°C | 6days (46 mm) Good | 7.9h Good | 73% Muggy | 3.4 Moderate | Good | View Details |
| December | 15°C / 7°C | 13°C / 5°C | 9days (87 mm) Wet | 6.4h Fair | 80% Humid | 2.7 Moderate | Fair | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 15°C / 7°C . Feb: 17°C / 7°C . Mar: 17°C / 8°C . Apr: 21°C / 9°C . May: 24°C / 12°C . Jun: 28°C / 14°C . Jul: 29°C / 14°C . Aug: 29°C / 15°C . Sep: 29°C / 15°C . Oct: 25°C / 13°C . Nov: 19°C / 9°C . Dec: 15°C / 7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 107 mm. Feb: 82 mm. Mar: 86 mm. Apr: 25 mm. May: 14 mm. Jun: 1 mm. Jul: 0 mm. Aug: 0 mm. Sep: 3 mm. Oct: 22 mm. Nov: 46 mm. Dec: 87 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 82%. Feb: 74%. Mar: 75%. Apr: 70%. May: 66%. Jun: 62%. Jul: 65%. Aug: 67%. Sep: 66%. Oct: 63%. Nov: 73%. Dec: 80%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 13 km/h . Feb: 16 km/h . Mar: 17 km/h . Apr: 17 km/h . May: 20 km/h . Jun: 20 km/h . Jul: 19 km/h . Aug: 18 km/h . Sep: 16 km/h . Oct: 14 km/h . Nov: 12 km/h . Dec: 12 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: 19°C . Jun: 21°C . Jul: 22°C . Aug: 22°C . Sep: 22°C . Oct: 20°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 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 3.
Frequently Asked Questions
Walnut Creek has a population of approximately 68.9K.
The best months to visit Walnut Creek are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Walnut Creek receives approximately 473mm of rainfall annually across 52 rainy days.
Walnut Creek is located in United States, in the Americas region.
Walnut Creek sits at an elevation of 52 m (171 ft) above sea level.