Joliet, IL weather in February
February in Joliet: cold, with some rain and some snow. Highs 35°F, lows 20°F, rain or snow on about 9 days and about 6.2 in of snow. This is the depth of winter in Joliet. Pack for serious cold.
- Normal high
- 35°F
- Normal low
- 20°F
- Wet days
- 9
- 1.8 in total
- Snowfall
- 6.2 in
- snow on the ground 8 days
How February changes from start to finish
| February 1 | February 28 | |
|---|---|---|
| Normal high | 32°F | 40°F |
| Normal low | 16°F | 24°F |
| Chance of a wet day | 34% | 32% |
| Sunrise / sunset | 7:03 am / 5:07 pm | 6:28 am / 5:41 pm |
| Daylight | 10.1 h | 11.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical February day
- 6 am26°Fdew point 19°F
- 9 am28°Fdew point 20°F
- Noon32°Fdew point 20°F
- 3 pm34°Fdew point 21°F
- 6 pm31°Fdew point 21°F
- 9 pm30°Fdew point 21°F
NOAA hourly normals (local standard time) from Chicago Midway Airport (25 mi away); average wind 11 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F0 of 28
- Hot dayshigh 90°F or more0 of 28
- Muggy daysdaily mean dew point 65°F or more0 of 28
- Wet daysat least 0.01 in of rain or melted snow9 of 28
- Notable rainat least 0.10 in5 of 28
- Freezing nightslow 32°F or below25 of 28
- Snow on the groundsnow depth 1 in or more8 of 28
Average days per February, counted from daily records for each year 1991-2020.
Rain and snow in February
Normal precipitation is 1.8 in; a dry February brings about 0.9 in and a wet one about 2.2 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 6.2 in, with about 2 days of an inch or more.
How February varies from year to year
- Warmest February, 1991-20202017: average high 46°F
- Coolest February2015: average high 23°F
- Wettest February1997: 5.6 in
- Driest February2003: 0.5 in
- Highest reading73°F (February 26, 2000)
- Lowest reading-19°F (February 1, 2019)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
February compared with January and March
| January | February | March | |
|---|---|---|---|
| Normal high | 31°F | 35°F | 47°F |
| Normal low | 17°F | 20°F | 29°F |
| Wet days | 11 | 9 | 10 |
| Comfortable days | 0 | 0 | 3 |
| Daylight | 9.6 h | 10.6 h | 12.0 h |
Highs change by +4°F from January and +12°F into March.
Nearby alternatives in February
- Warmer: Springfield, IL144 mi · high 41°F · 9 wet days
- Cooler: Green Bay, WI207 mi · high 29°F · 9 wet days
How Joliet ranks in February
- Normal high319th warmest of 378 cities; 4th of 8 in Illinois
- Wet days217th driest of 378
- Comfortable days256th most of 340
What to pack for Joliet in February
- A warm jacket – lows near 20°F, highs near 35°F
- A rain jacket or umbrella – rain or snow on about 9 days
- Waterproof boots – about 6.2 in of snow in a typical year
- A hat and gloves – about 25 freezing nights
Heating and cooling
February has 1047 heating degree days and 0 cooling degree days (base 65°F), 15% of the year's total heating and cooling demand.
Questions
How cold is Joliet in February?
The normal high is 35°F and the normal low is 20°F. From 1991 to 2020 the coldest February reading was -19°F (most recently on February 1, 2019).
Does it rain a lot in Joliet in February?
About 9 days in February have at least 0.01 in of precipitation, and the normal total is 1.8 in. The wettest February in 1991-2020 was in 1997 (5.6 in); the driest was in 2003 (0.5 in).
Does it snow in Joliet in February?
Yes. Normal snowfall in February is 6.2 in, and snow covers the ground on about 8 days.
Is February a good time to visit Joliet?
February ranks 10th of 12 months on our comfort score for Joliet (32 out of 100). It has almost no comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Joliet Brandon Rd Dam (USC00114530), 1.9 mi SW of the city center, 543 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Chicago Midway Airport (USW00014819), 25 mi NE of the city center, 612 ft (71 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Chicago Midway Intl Arpt (725340-14819), 25 mi NE of the city center, 610 ft (69 ft higher than the city). Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).