Belleville weather in February

In February, Belleville sees average daytime highs of 45°F and overnight lows near 29°F, with 2.6 in of precipitation across 7.6 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 42°F in the first days to 49°F by the end. The sky is clear or mostly clear about 27% of the time in February, and the air most often feels dry.

Daylight stretches from about 10 hours at the start of February to 11 hours by month's end. Set against the rest of the year, February is Belleville's 12th-clearest and 4th-windiest month. For the whole year in context, see Belleville's year-round climate.

Daytime high
45°
10th warmest
Overnight low
29°
2nd coldest
Precipitation
2.6 in
7.6 wet days
Daylight
10 h 30 min
6:59 AM – 5:30 PM
Cloud cover
66%
12th clearest
Wind
8 mph
4th windiest
Solar energy
3.07 kWh/m²
Travel score
1.0
out of 10

Belleville is city in and seat of St. Clair County, Illinois, United States.

Density
691/km²
people per km²
Founded
1814

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in February

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 42°F in the first days to 49°F by the end.

A typical February day in Belleville reaches about 45°F in the afternoon and slips back to 29°F overnight — a 16°F spread between the day's warmth and the night's chill. On most days the high lands between 30°F and 62°F. Set against its neighbours, February runs about 5°F warmer than January and about 11°F cooler than March.

20°40°60°151015202528
Avg high (°F)Avg low (°F)
14226
24226
34226
44226
54227
64227
74327
84327
94327
104328
114428
124428
134428
144528
154529
164529
174629
184629
194630
204730
214730
224731
234831
244831
254831
264931
274932
284932

How February really feels in Belleville

Once humidity and wind are folded in, February averages 0 days that feel above 90°F and 28 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
28
wind chill below the day's low

The story in February is cold — wind chill drags the overnight "feels like" below the raw low.

Belleville weather by month

How February compares with the rest of the year at a glance. February is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 25°2.98.32.99.60.0
Feb45° / 29°2.67.62.610.51.0
Mar56° / 38°3.810.81.311.73.7
Apr67° / 48°4.811.50.1135.9
May76° / 58°5.113.3014.16.3
Jun85° / 67°4.110.8014.65.2
Jul88° / 71°3.49.8014.44.6
Aug86° / 68°2.99.1013.55.1
Sep80° / 60°3.27.6012.37.0
Oct68° / 49°3.58.40116.7
Nov55° / 38°3.78.70.69.93.6
Dec44° / 29°2.88.529.40.7

Cloud cover in February

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in February, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of February, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202528
Clearer (%)Cloudier (%)
14258
24258
34060
44060
54060
63961
73961
83961
93862
103763
113763
123763
133664
143565
153664
163763
173664
183664
193763
203763
213763
223763
233862
243862
253862
263961
274060
284060

Chance of precipitation in February

Any precipitationSnow

Belleville gets around 2.6 in of rain and snow over 7.6 wet days in February, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 27% and peaks near 30% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%10%20%30%40%151015202528
Rain chance (%)Snow chance (%)
1239
2239
3239
4239
5239
6249
7249
8259
9259
10269
11279
12279
13289
14289
15299
16299
17299
18309
19309
20309
21309
22309
23309
24309
25309
26308
27298
28298

Humidity in February

DryComfortableHumidMuggyOppressiveMiserable

Most of February feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, February lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202528
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991

Wind in February

Winds average 8 mph in February.

Across February, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202528
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze

Sunrise & sunset in February

DaylightNight

Daylight runs from about 10 hours at the start of February to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over February. Sunrise moves from 7:13 AM to 6:43 AM, and sunset from 5:14 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202528
Daylight (h)Sunrise (AM)Sunset (PM)
110.07:135:14
210.17:125:15
310.17:115:16
410.17:105:17
510.27:095:19
610.27:095:20
710.27:085:21
810.37:075:22
910.37:065:23
1010.37:055:24
1110.47:045:25
1210.47:035:26
1310.47:025:28
1410.57:005:29
1510.56:595:30
1610.56:585:31
1710.66:575:32
1810.66:565:33
1910.76:555:34
2010.76:535:35
2110.76:525:36
2210.86:515:37
2310.86:495:39
2410.96:485:40
2510.96:475:41
2610.96:455:42
2711.06:445:43
2811.06:435:44

Solar energy in February

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in February, about 3.07 kWh/m².

For context, solar energy here swings from a low near 1.91 kWh/m² to a high of 6.47 kWh/m² in June across the year — February's 3.07 kWh/m² falls in the middle.

01234151015202528
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.7Moderate
42.8Moderate
52.8Moderate
62.8Moderate
72.8Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.9Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
163.1Moderate
173.1Moderate
183.2Moderate
193.2Moderate
203.2Moderate
213.3Moderate
223.3Moderate
233.4Moderate
243.4Moderate
253.5Moderate
263.5Moderate
273.6Moderate
283.6Moderate
Planning a trip in February

Is February a good time to visit Belleville?

Our two travel scores rate February for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.0
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

February is a weaker month for outdoor sightseeing in Belleville.

What to pack for Belleville in February

From February's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In February, Belleville sees daytime highs around 45°F and nights near 29°F. Pack a warm layer and a heavy coat. About 8 days see rain.

a warm layera heavy coat

UV index in Belleville in February

LowModerateHighVery highExtreme

Clear-sky midday UV in February peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Belleville peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 9Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5High
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Belleville in February

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where February falls, not just the annual average.

Air quality in Belleville is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (October, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb12Good
Mar12Good
Apr11Good
May14Moderate
Jun16Moderate
Jul18Moderate
Aug15Moderate
Sep12Moderate
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Belleville?

Belleville sits at 38.5°N, 90.0°W, 515 ft above sea level, in United States. The nearest listed city is Fairview Heights, 5.0 mi away.

Topography around Belleville

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Belleville.

Within 2 miles, the terrain around Belleville has only modest variations in elevation — a maximum elevation change of 128 ft around an average of 528 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 364 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 981 ft.

The land around Belleville is covered by trees (54%) and artificial surfaces (28%) within 2 miles, trees (39%) and cropland (38%) within 10 miles, and cropland (44%) and trees (42%) within 50 miles.

2 miles
128 ft
10 miles
364 ft
50 miles
981 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
February weather nearby: Fairview Heights 5.0 mi · O'Fallon 6.2 mi · Collinsville 11 mi · East Saint Louis 12 mi · St. Louis 14 mi · Granite City 16 mi · Lemay 16 mi · Oakville 17 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Belleville (38.52°, -89.984°, elevation 515 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).