Climate and Average Weather Year Round in Joliet Illinois, United States

In Joliet, the summers are long, warm, humid, and wet; the winters are freezing, snowy, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from 17°F to 84°F and is rarely below -2°F or above 92°F.

Weather forecast Joliet
Weather forecast Joliet

Based on the tourism score, the best time of year to visit Joliet for warm-weather activities is from mid June to mid September.

Average Temperature in Joliet 

The warm season lasts for 3.9 months, from May 23 to September 20, with an average daily high temperature above 74°F. The hottest month of the year in Joliet is July, with an average high of 84°F and low of 64°F.

The cold season lasts for 3.1 months, from December 1 to March 3, with an average daily high temperature below 42°F. The coldest month of the year in Joliet is January, with an average low of 18°F and high of 32°F.

Rainfall 

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Joliet experiences significant seasonal variation in monthly rainfall.

Rain falls throughout the year in Joliet. The month with the most rain in Joliet is June, with an average rainfall of 3.8 inches.

The month with the least rain in Joliet is January, with an average rainfall of 0.9 inches.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Joliet experiences some seasonal variation in monthly snowfall.

The snowy period of the year lasts for 4.2 months, from November 20 to March 27, with a sliding 31-day snowfall of at least 1.0 inches. The month with the most snow in Joliet is February, with an average snowfall of 3.8 inches.

The snowless period of the year lasts for 7.8 months, from March 27 to November 20. The least snow falls around July 21, with an average total accumulation of 0.0 inches.

Weather forecast March 26, 2023

Weather forecast March 26, 2023 - P3

Weather 60634

High temperature : 37°F

Low temperature : 34°F

- Overcast clouds, Wind speed 16.11 mph, wind out of the ENE. Visibility 4 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60634 : Moderate

- Air Quality Index : CO : 260.35 ; NH3 : 0.34 ; NO : 0 ; NO2 : 6.68 ; O3 : 82.97 ; PM10 : 5.85 ; PM2.5 : 5.67 ; SO2 : 3.28

Weather 60636

High temperature : 38°F

Low temperature : 35°F

- Overcast clouds, Wind speed 5.01 mph, wind out of the NE. Visibility 1 mi, humidity 89% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60636 : Moderate

- Air Quality Index : CO : 257.02 ; NH3 : 0.46 ; NO : 0 ; NO2 : 8.14 ; O3 : 85.83 ; PM10 : 5.27 ; PM2.5 : 4.93 ; SO2 : 3.82

Weather 60637

High temperature : 37°F

Low temperature : 35°F

- Overcast clouds, Wind speed 14.45 mph, wind out of the NNE. Visibility 1 mi, humidity 88% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60637 : Moderate

- Air Quality Index : CO : 257.02 ; NH3 : 0.46 ; NO : 0 ; NO2 : 8.14 ; O3 : 85.83 ; PM10 : 5.27 ; PM2.5 : 4.93 ; SO2 : 3.82

Weather 60638

High temperature : 38°F

Low temperature : 35°F

- Overcast clouds, Wind speed 8.01 mph, wind out of the ENE. Visibility 1 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60638 : Moderate

- Air Quality Index : CO : 257.02 ; NH3 : 0.46 ; NO : 0 ; NO2 : 8.14 ; O3 : 85.83 ; PM10 : 5.27 ; PM2.5 : 4.93 ; SO2 : 3.82

Weather 37323

High temperature : 57°F

Low temperature : 50°F

- Overcast clouds, Wind speed 5.75 mph, wind out of the NE. Visibility 7 mi, humidity 82% . Chance of Rain : 0 % .

Today's Air Quality - Weather 37323 : Moderate

- Air Quality Index : CO : 226.97 ; NH3 : 3.26 ; NO : 0 ; NO2 : 2.31 ; O3 : 77.25 ; PM10 : 8.69 ; PM2.5 : 6.85 ; SO2 : 1.22

Weather 60640

High temperature : 37°F

Low temperature : 35°F

- Overcast clouds, Wind speed 13 mph, wind out of the NE. Visibility 1 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60640 : Moderate

- Air Quality Index : CO : 260.35 ; NH3 : 0.34 ; NO : 0 ; NO2 : 6.68 ; O3 : 82.97 ; PM10 : 5.85 ; PM2.5 : 5.67 ; SO2 : 3.28

Weather 60641

High temperature : 37°F

Low temperature : 35°F

- Overcast clouds, Wind speed 16.11 mph, wind out of the ENE. Visibility 4 mi, humidity 90% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60641 : Moderate

- Air Quality Index : CO : 260.35 ; NH3 : 0.34 ; NO : 0 ; NO2 : 6.68 ; O3 : 82.97 ; PM10 : 5.85 ; PM2.5 : 5.67 ; SO2 : 3.28

Weather 60643

High temperature : 37°F

Low temperature : 34°F

- Overcast clouds, Wind speed 12.68 mph, wind out of the NNE. Visibility 3 mi, humidity 91% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60643 : Moderate

- Air Quality Index : CO : 257.02 ; NH3 : 0.46 ; NO : 0 ; NO2 : 8.14 ; O3 : 85.83 ; PM10 : 5.27 ; PM2.5 : 4.93 ; SO2 : 3.82

Weather 89052

High temperature : 51°F

Low temperature : 47°F

- Overcast clouds, Wind speed 17.27 mph, wind out of the NNW. Visibility 7 mi, humidity 24% . Chance of Rain : 0 % .

Today's Air Quality - Weather 89052 : Moderate

- Air Quality Index : CO : 307.08 ; NH3 : 3.23 ; NO : 0 ; NO2 : 22.28 ; O3 : 82.97 ; PM10 : 12.32 ; PM2.5 : 4.48 ; SO2 : 1.85

Weather 60645

High temperature : 37°F

Low temperature : 35°F

- Overcast clouds, Wind speed 16.11 mph, wind out of the ENE. Visibility 4 mi, humidity 91% . Chance of Rain : 100 % .

Today's Air Quality - Weather 60645 : Moderate

- Air Quality Index : CO : 270.37 ; NH3 : 0.17 ; NO : 0 ; NO2 : 6.6 ; O3 : 77.25 ; PM10 : 5.92 ; PM2.5 : 5.85 ; SO2 : 3.28

Weather 01852 - Lowell MA

overcast clouds

57°

overcast clouds

Feels like 56°
Sunrise/Sunset - 01852
Sunrise/Sunset

05:19/20:03

Temperature - 01852
High/Low

60°F

/

54°F

Humidity in 01852
Humidity

76%

Pressure
Pressure

1015 hPa

Visibility
Visibility

7 mi

Wind
Wind

12.66 mph