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Willowbrook, United States Snapshot 2026
Where is Willowbrook?
Willowbrook, United States
- Continent
- Americas
- Country
- United States
- City
- Willowbrook
- Population
- 36K
- Elevation
- 29 m
- Coordinates
- 33.92°, -118.26°
Willowbrook is a city in United States with a population of approximately 36K. Average temperatures range from 8°C (46°F) in January to 30°C (85°F) in August. The best time to visit is May, June, July, September, October.
Time in Willowbrook right now
Open full time & time zone page 10:44 44
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 Willowbrook
Daylight in Willowbrook today
View full sunrise & sunset page Sunrise
Sunset
Day length
14h 24m
Climate normals for Willowbrook
Long-term monthly averages based on historical data.
January
Good 
February
Good March
Good April
Excellent May best
Excellent June best
Excellent July best
Excellent August
Excellent September best
Excellent October best
Excellent November
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 19°C / 8°C | 17°C / 5°C | 5days (81 mm) Good | 8.1h Good | 71% Muggy | 3.7 Moderate | Good | View Details |
| February | 19°C / 8°C | 18°C / 6°C | 5days (71 mm) Good | 8.9h Good | 66% Muggy | 4.5 Moderate | Good | View Details |
| March | 20°C / 10°C | 19°C / 8°C | 7days (72 mm) Good | 10h Excellent | 71% Muggy | 6.2 High | Good | View Details |
| April | 23°C / 12°C | 22°C / 11°C | 2days (15 mm) Excellent | 11.5h Excellent | 66% Muggy | 7.4 Very High | Excellent | View Details |
| May best | 23°C / 14°C | 23°C / 13°C | 1days (7 mm) Excellent | 12.1h Excellent | 68% Muggy | 7.7 Very High | Excellent | View Details |
| June best | 26°C / 16°C | 27°C / 16°C | 1days (2 mm) Excellent | 13.1h Excellent | 67% Muggy | 8.3 Very High | Excellent | View Details |
| July best | 29°C / 18°C | 31°C / 19°C | 0days (1 mm) Excellent | 13.2h Excellent | 66% Muggy | 8.5 Very High | Excellent | View Details |
| August | 30°C / 18°C | 32°C / 20°C | 1days (6 mm) Excellent | 12.2h Excellent | 67% Muggy | 7.9 Very High | Excellent | View Details |
| September best | 29°C / 18°C | 30°C / 20°C | 1days (5 mm) Excellent | 11.3h Excellent | 68% Muggy | 7 High | Excellent | View Details |
| October best | 27°C / 15°C | 26°C / 15°C | 2days (10 mm) Excellent | 10.2h Excellent | 64% Muggy | 5.6 High | Excellent | View Details |
| November | 23°C / 11°C | 21°C / 9°C | 2days (29 mm) Excellent | 8.9h Good | 62% Muggy | 4.2 Moderate | Excellent | View Details |
| December | 19°C / 8°C | 18°C / 6°C | 5days (66 mm) Good | 7.8h Good | 68% Muggy | 3.4 Moderate | Good | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 19°C / 8°C . Feb: 19°C / 8°C . Mar: 20°C / 10°C . Apr: 23°C / 12°C . May: 23°C / 14°C . Jun: 26°C / 16°C . Jul: 29°C / 18°C . Aug: 30°C / 18°C . Sep: 29°C / 18°C . Oct: 27°C / 15°C . Nov: 23°C / 11°C . Dec: 19°C / 8°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 81 mm. Feb: 71 mm. Mar: 72 mm. Apr: 15 mm. May: 7 mm. Jun: 2 mm. Jul: 1 mm. Aug: 6 mm. Sep: 5 mm. Oct: 10 mm. Nov: 29 mm. Dec: 66 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 71%. Feb: 66%. Mar: 71%. Apr: 66%. May: 68%. Jun: 67%. Jul: 66%. Aug: 67%. Sep: 68%. Oct: 64%. Nov: 62%. Dec: 68%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 11 km/h . Feb: 13 km/h . Mar: 15 km/h . Apr: 15 km/h . May: 15 km/h . Jun: 14 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 14 km/h . Oct: 13 km/h . Nov: 11 km/h . Dec: 11 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 15°C . Feb: 14°C . Mar: 14°C . Apr: 15°C . May: 17°C . Jun: 19°C . Jul: 20°C . Aug: 21°C . Sep: 21°C . Oct: 19°C . Nov: 17°C . Dec: 16°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 6. Apr: UV 7. May: UV 8. Jun: UV 8. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 4. Dec: UV 3.
Frequently Asked Questions
Willowbrook has a population of approximately 36K.
The best months to visit Willowbrook are May, June, July, September, October, when temperatures are pleasant and rainfall is lower.
Willowbrook receives approximately 365mm of rainfall annually across 32 rainy days.
Willowbrook is located in United States, in the Americas region.
Willowbrook sits at an elevation of 29 m (95 ft) above sea level.