UTC Offset
UTC-05:00
Joliet, United States Snapshot 2026
Where is Joliet?
Joliet, United States
- Continent
- Americas
- Country
- United States
- City
- Joliet
- Population
- 147.9K
- Elevation
- 165 m
- Coordinates
- 41.53°, -88.08°
Joliet is a city in United States with a population of approximately 147.9K. Average temperatures range from -6°C (20°F) in January to 29°C (84°F) in July. The best time to visit is May, June, July, August, September. The city sits at an elevation of 165 m above sea level.
Time in Joliet right now
Open full time & time zone page 20:04 04
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Joliet
Daylight in Joliet today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 10m
Climate normals for Joliet
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July best
Good August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 1°C / -6°C | -4°C / -11°C | 10days (63 mm) Wet | 5h Fair | 73% Muggy | 2.2 Moderate | Poor | View Details |
| February | 4°C / -5°C | 0°C / -10°C | 8days (58 mm) Wet | 6.9h Fair | 69% Muggy | 3.5 Moderate | Poor | View Details |
| March | 11°C / 1°C | 7°C / -3°C | 11days (100 mm) Wet | 7.7h Good | 67% Muggy | 4.6 Moderate | Poor | View Details |
| April | 16°C / 5°C | 14°C / 1°C | 13days (113 mm) Wet | 8.9h Good | 67% Muggy | 5.5 High | Fair | View Details |
| May best | 22°C / 12°C | 22°C / 10°C | 14days (126 mm) Wet | 10.2h Excellent | 70% Muggy | 6.6 High | Excellent | View Details |
| June best | 28°C / 18°C | 30°C / 18°C | 11days (115 mm) Wet | 12h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 29°C / 20°C | 32°C / 21°C | 12days (105 mm) Wet | 11.9h Excellent | 74% Muggy | 7.1 Very High | Good | View Details |
| August best | 28°C / 19°C | 30°C / 20°C | 11days (85 mm) Wet | 11.3h Excellent | 73% Muggy | 6.6 High | Excellent | View Details |
| September best | 26°C / 16°C | 26°C / 16°C | 9days (73 mm) Wet | 9.7h Good | 70% Muggy | 5.4 High | Excellent | View Details |
| October | 18°C / 10°C | 16°C / 7°C | 10days (106 mm) Wet | 7.4h Good | 69% Muggy | 3.9 Moderate | Good | View Details |
| November | 10°C / 2°C | 6°C / -2°C | 7days (57 mm) Good | 6.2h Fair | 70% Muggy | 2.6 Moderate | Poor | View Details |
| December | 4°C / -3°C | 0°C / -8°C | 8days (59 mm) Wet | 5.1h Fair | 73% Muggy | 1.9 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 1°C / -6°C . Feb: 4°C / -5°C . Mar: 11°C / 1°C . Apr: 16°C / 5°C . May: 22°C / 12°C . Jun: 28°C / 18°C . Jul: 29°C / 20°C . Aug: 28°C / 19°C . Sep: 26°C / 16°C . Oct: 18°C / 10°C . Nov: 10°C / 2°C . Dec: 4°C / -3°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 63 mm. Feb: 58 mm. Mar: 100 mm. Apr: 113 mm. May: 126 mm. Jun: 115 mm. Jul: 105 mm. Aug: 85 mm. Sep: 73 mm. Oct: 106 mm. Nov: 57 mm. Dec: 59 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 73%. Feb: 69%. Mar: 67%. Apr: 67%. May: 70%. Jun: 68%. Jul: 74%. Aug: 73%. Sep: 70%. Oct: 69%. Nov: 70%. Dec: 73%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 20 km/h . Feb: 21 km/h . Mar: 22 km/h . Apr: 22 km/h . May: 19 km/h . Jun: 18 km/h . Jul: 15 km/h . Aug: 15 km/h . Sep: 17 km/h . Oct: 20 km/h . Nov: 20 km/h . Dec: 20 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 4. Mar: UV 5. Apr: UV 6. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 5. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Joliet has a population of approximately 147.9K.
The best months to visit Joliet are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Joliet receives approximately 1060mm of rainfall annually across 124 rainy days.
Joliet is located in United States, in the Americas region.
Joliet sits at an elevation of 165 m (541 ft) above sea level.