Ballwin weather in March

In March, Ballwin sees average daytime highs of 56°F and overnight lows near 37°F, with 3.8 in of precipitation across 10.8 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 51°F in the first days to 61°F by the end. The sky is clear or mostly clear about 30% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Ballwin's 10th-clearest and 2nd-windiest month. For the whole year in context, see Ballwin's year-round climate.

Daytime high
56°
8th warmest
Overnight low
37°
4th coldest
Precipitation
3.8 in
10.8 wet days
Daylight
11 h 42 min
6:21 AM – 6:03 PM
Cloud cover
63%
10th clearest
Wind
8 mph
2nd windiest
Solar energy
4.1 kWh/m²
Travel score
3.6
out of 10

Ballwin is city in St. Louis County, Missouri, United States.

Density
1,313/km²
people per km²
Founded
1804

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 51°F in the first days to 61°F by the end.

A typical March day in Ballwin reaches about 56°F in the afternoon and slips back to 37°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 40°F and 72°F. Set against its neighbours, March runs about 11°F warmer than February and about 11°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15032
25032
35132
45133
55133
65233
75234
85334
95334
105435
115435
125536
135536
145537
155637
165637
175638
185738
195738
205739
215839
225840
235840
245940
255940
266041
276041
286041
296142
306142
316242

How March really feels in Ballwin

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 17 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
17
wind chill below the day's low

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

Ballwin weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan40° / 25°2.88.12.89.60.0
Feb45° / 28°2.57.72.810.51.0
Mar56° / 37°3.810.81.411.73.6
Apr67° / 47°4.611.30.2135.9
May75° / 58°4.913.3014.16.3
Jun84° / 67°4.011.2014.65.4
Jul88° / 70°3.410.2014.44.5
Aug86° / 68°3.09.4013.55.0
Sep80° / 60°3.27.8012.37.0
Oct68° / 48°3.58.10116.7
Nov55° / 38°3.68.30.79.93.6
Dec44° / 29°2.68.22.29.40.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 11% of March, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34159
44159
54258
64258
74258
84258
94357
104258
114159
124357
134258
144258
154258
164159
174159
184060
194060
204060
214060
223961
233961
243961
254060
264060
274159
284159
294258
304258
314258

Chance of precipitation in March

Any precipitationSnow

Ballwin gets around 3.8 in of rain and snow over 10.8 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 34% and peaks near 37% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1319
2319
3318
4318
5317
6317
7316
8326
9326
10325
11335
12335
13345
14344
15354
16354
17364
18364
19364
20374
21373
22373
23373
24373
25373
26373
27373
28362
29362
30362
31362

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
79820
89820
99820
109820
119820
129730
139730
149730
159730
169640
179640
189640
199640
209640
219550
229451
239451
249451
259451
269361
279361
289361
299262
309262
319163

Wind in March

Winds average 8 mph in March.

Across March, 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.

0246810151015202531
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
298light breeze
308light breeze
318light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 06 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over March. Sunrise moves from 6:44 AM to 5:57 AM, and sunset from 5:47 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:445:47
211.16:425:48
311.16:415:49
411.26:395:50
511.26:385:51
611.36:365:52
711.36:355:53
811.36:335:54
911.46:325:55
1011.46:305:56
1111.56:295:58
1211.56:275:59
1311.66:266:00
1411.66:246:01
1511.66:236:02
1611.76:216:03
1711.76:206:04
1811.86:186:04
1911.86:166:05
2011.96:156:06
2111.96:136:07
2211.96:126:08
2312.06:106:09
2412.06:086:10
2512.16:076:11
2612.16:056:12
2712.26:046:13
2812.26:026:14
2912.26:006:15
3012.35:596:16
3112.35:576:17

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.1 kWh/m².

For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 6.42 kWh/m² in June across the year — March's 4.1 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
83.9Moderate
94.0Moderate
104.0Moderate
114.0Bright
124.0Bright
134.0Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.6Bright
304.6Bright
314.7Bright
Planning a trip in March

Is March a good time to visit Ballwin?

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

3.6
Sightseeing
8th-best month of the year
0.2
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Ballwin.

What to pack for Ballwin in March

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

In March, Ballwin sees daytime highs around 56°F and nights near 37°F. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

UV index in Ballwin in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ballwin 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 Ballwin in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Ballwin is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodGoodModerateGoodJul 1517 µg/m³Nov 127 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar13Moderate
Apr10Good
May13Moderate
Jun15Moderate
Jul17Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Ballwin?

Ballwin sits at 38.6°N, 90.5°W, 630 ft above sea level, in United States. The nearest listed city is Manchester, 1.9 mi away.

Topography around Ballwin

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

Within 2 miles, the terrain around Ballwin has only modest variations in elevation — a maximum elevation change of 253 ft around an average of 630 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 581 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,234 ft.

The land around Ballwin is covered by trees (61%) and artificial surfaces (24%) within 2 miles, trees (66%) within 10 miles, and trees (54%) and cropland (28%) within 50 miles.

2 miles
253 ft
10 miles
581 ft
50 miles
1,234 ft
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Manchester 1.9 mi · Chesterfield 5.0 mi · Wildwood 6.2 mi · Kirkwood 7.5 mi · Creve Coeur 8.1 mi · Webster Groves 9.9 mi · Maryland Heights 11 mi · Concord 11 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 Ballwin (38.5951°, -90.5462°, elevation 630 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).