Sun Prairie weather in March

In March, Sun Prairie sees average daytime highs of 43°F and overnight lows near 26°F, with 2.4 in of precipitation across 8.9 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 36°F in the first days to 49°F by the end. The sky is clear or mostly clear about 25% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Sun Prairie's 6th-clearest and 5th-windiest month. For the whole year in context, see Sun Prairie's year-round climate.

Daytime high
43°
9th warmest
Overnight low
26°
4th coldest
Precipitation
2.4 in
8.9 wet days
Daylight
11 h 36 min
6:17 AM – 5:56 PM
Cloud cover
65%
6th clearest
Wind
9 mph
5th windiest
Solar energy
4.04 kWh/m²
Travel score
0.8
out of 10

Sun Prairie is third-class city in Dane County, Wisconsin, United States.

Density
1,038/km²
people per km²
Founded
1839

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 36°F in the first days to 49°F by the end.

A typical March day in Sun Prairie reaches about 43°F in the afternoon and slips back to 26°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 30°F and 59°F. Set against its neighbours, March runs about 12°F warmer than February and about 13°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
13520
23620
33620
43721
53721
63822
73822
83923
94023
104024
114124
124125
134225
144226
154326
164427
174427
184528
194528
204629
214629
224629
234730
244730
254830
264831
274931
284931
294932
305032
315032

How March really feels in Sun Prairie

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
9 feel bitter (≤ 14°F)

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

Sun Prairie weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan27° / 13°1.67.66.69.20.0
Feb31° / 16°1.56.75.510.20.0
Mar43° / 26°2.48.93.611.60.8
Apr56° / 38°3.912.41.913.13.5
May68° / 49°3.912.30.114.45.8
Jun77° / 59°4.311.8015.16.4
Jul81° / 63°3.49.9014.96.5
Aug79° / 61°3.710.3013.86.7
Sep72° / 53°3.19012.36.9
Oct59° / 41°2.98.90.310.84.5
Nov44° / 30°2.27.92.29.50.9
Dec32° / 19°1.97.55.28.90.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 63%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53961
63961
73961
83961
94060
104159
114159
124159
134159
144060
153961
163961
173961
183862
193862
203862
213664
223664
233565
243565
253466
263466
273466
283367
293367
303268
313268

Chance of precipitation in March

Any precipitationSnow

Sun Prairie gets around 2.4 in of rain and snow over 8.9 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 29% and peaks near 35% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
12818
22817
32817
42816
52816
62815
72815
82814
92814
102814
112813
122813
132813
142812
152812
162712
172711
182711
192711
202810
212810
222810
23299
24309
25309
26318
27328
28328
29338
30348
31358

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
11991
12991
13991
14991
15991
16991
17991
18991
19982
20982
21982
22982
23982
24982
25982
26991
27991
28991
29991
30991
31991

Wind in March

Winds average 9 mph in March.

Across March, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 6:43 AM to 5:50 AM, and sunset from 5:37 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:435:37
210.96:425:38
311.06:405:39
411.06:385:41
511.16:375:42
611.16:355:43
711.26:335:44
811.26:325:46
911.36:305:47
1011.36:285:48
1111.46:265:49
1211.46:255:51
1311.56:235:52
1411.56:215:53
1511.66:195:54
1611.66:175:56
1711.76:165:57
1811.76:145:58
1911.86:125:59
2011.86:106:00
2111.96:086:02
2211.96:076:03
2312.06:056:04
2412.06:036:05
2512.16:016:06
2612.15:596:08
2712.25:576:09
2812.25:566:10
2912.35:546:11
3012.35:526:12
3112.45:506:14

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.04 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.28 kWh/m² in June across the year — March's 4.04 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.5Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.7Moderate
73.8Moderate
83.8Moderate
93.9Moderate
103.9Moderate
113.9Moderate
124.0Moderate
134.0Bright
144.0Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in March

Is March a good time to visit Sun Prairie?

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

0.8
Sightseeing
9th-best month of the year
0.0
Beach & pool
8th-best month of the year

March is a weaker month for outdoor sightseeing in Sun Prairie.

What to pack for Sun Prairie in March

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

In March, Sun Prairie sees daytime highs around 43°F and nights near 26°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

UV index in Sun Prairie in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sun Prairie peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 18UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Sun Prairie 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 Sun Prairie is worst in July — around 15 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 1715 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar13Moderate
Apr12Good
May13Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Sun Prairie?

Sun Prairie sits at 43.2°N, 89.2°W, 958 ft above sea level, in United States. The nearest listed city is Madison, 12 mi away.

Topography around Sun Prairie

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

Within 2 miles, the terrain around Sun Prairie has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 971 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 269 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,043 ft.

The land around Sun Prairie is covered by cropland (32%), artificial surfaces (28%) and grassland (21%) within 2 miles, cropland (53%) within 10 miles, and cropland (48%) and trees (30%) within 50 miles.

2 miles
154 ft
10 miles
269 ft
50 miles
1,043 ft
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Madison 12 mi · Middleton 16 mi · Fitchburg 20 mi · Watertown 24 mi · Beaver Dam 27 mi · Janesville 36 mi · Oconomowoc 37 mi · Beloit 48 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 Sun Prairie (43.1836°, -89.2137°, elevation 958 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).