Rolla weather in April

In April, Rolla sees average daytime highs of 67°F and overnight lows near 47°F, with 4.8 in of precipitation across 11.8 wet days and about 13 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 69°F by the end. The sky is clear or mostly clear about 31% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Rolla's 7th-clearest and 1st-windiest month. For the whole year in context, see Rolla's year-round climate.

Daytime high
67°
7th warmest
Overnight low
47°
6th coldest
Precipitation
4.8 in
11.8 wet days
Daylight
13 hours
5:38 AM – 6:37 PM
Cloud cover
60%
7th clearest
Wind
8 mph
1st windiest
Solar energy
5.17 kWh/m²
Travel score
5.8
out of 10

Rolla is city in and county seat of Phelps County, Missouri, United States.

Density
641/km²
people per km²
Founded
1844

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 63°F in the first days to 69°F by the end.

A typical April day in Rolla reaches about 67°F in the afternoon and slips back to 47°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 53°F and 80°F. Set against its neighbours, April runs about 10°F warmer than March and about 8°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
16242
26343
36343
46343
56444
66444
76544
86544
96545
106545
116645
126646
136646
146746
156747
166747
176747
186747
196848
206848
216848
226849
236849
246849
256949
266950
276950
286950
296951
307051

How April really feels in Rolla

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Rolla weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 25°2.77.63.19.70.1
Feb46° / 28°2.57.62.610.51.4
Mar56° / 37°3.610.81.611.73.8
Apr67° / 47°4.811.80.2135.8
May74° / 56°5.013.30146.3
Jun83° / 65°3.811.3014.65.5
Jul88° / 69°3.510.7014.44.5
Aug86° / 67°2.99.5013.55.0
Sep79° / 59°3.37.9012.37.0
Oct68° / 47°3.38.70.1116.6
Nov55° / 37°3.48.20.99.93.7
Dec45° / 29°2.67.72.19.40.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34555
44555
54654
64654
74654
84654
94753
104753
114753
124753
134654
144654
154654
164654
174555
184456
194456
204357
214258
224258
234159
244060
254060
264060
274060
284159
294159
304159

Chance of precipitation in April

Any precipitationSnow

Rolla gets around 4.8 in of rain and snow over 11.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 44% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1382
2382
3372
4372
5372
6362
7362
8362
9361
10351
11351
12361
13361
14361
15371
16381
17381
18391
19400
20410
21420
22420
23430
24430
25440
26440
27440
28440
29440
30440

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191630
291630
390730
490730
589740
688840
788840
888840
987940
1087940
11851050
12841150
13841150
14831250
15831250
16821350
17821350
18811450
19801550
20801550
21791650
22791650
23791650
24771760
25771760
26741871
27741871
28721981
29701992
306820102

Wind in April

Winds average 8 mph in April, the windiest month of the year.

Across April, 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.

051015151015202530
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 6:01 AM to 5:19 AM, and sunset from 6:23 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:016:23
212.45:596:24
312.45:586:25
412.55:566:26
512.55:556:26
612.65:536:27
712.65:516:28
812.75:506:29
912.75:486:30
1012.75:476:31
1112.85:456:32
1212.85:446:33
1312.95:426:34
1412.95:416:35
1512.95:396:36
1613.05:386:37
1713.05:366:38
1813.15:356:39
1913.15:346:40
2013.15:326:40
2113.25:316:41
2213.25:296:42
2313.35:286:43
2413.35:276:44
2513.35:256:45
2613.45:246:46
2713.45:236:47
2813.45:216:48
2913.55:206:49
3013.55:196:50

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.17 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 6.41 kWh/m² in June across the year — April's 5.17 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Rolla?

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

5.8
Sightseeing
4th-best month of the year
2.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Rolla for sightseeing.

What to pack for Rolla in April

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

In April, Rolla sees daytime highs around 67°F and nights near 47°F. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Rolla in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rolla peaks around June 22 at about 10 (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 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov4Moderate
Dec2Moderate

Air quality in Rolla in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Rolla is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Nov 146 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar11Good
Apr9Good
May12Moderate
Jun14Moderate
Jul16Moderate
Aug13Moderate
Sep11Good
Oct6Good
Nov6Good
Dec7Good
Location & terrain

Where is Rolla?

Rolla sits at 38.0°N, 91.8°W, 1,122 ft above sea level, in United States. The nearest listed city is Fort Leonard Wood, 27 mi away.

Topography around Rolla

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

Within 2 miles, the terrain around Rolla has only modest variations in elevation — a maximum elevation change of 308 ft around an average of 1,073 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 633 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,060 ft.

The land around Rolla is covered by trees (55%) and artificial surfaces (24%) within 2 miles, trees (66%) and grassland (30%) within 10 miles, and trees (73%) and grassland (23%) within 50 miles.

2 miles
308 ft
10 miles
633 ft
50 miles
1,060 ft
treesgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Fort Leonard Wood 27 mi · Jefferson City 48 mi · Wildwood 75 mi · Farmington 75 mi · Columbia 76 mi · Wentzville 78 mi · Ballwin 80 mi · Chesterfield 81 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 Rolla (37.9514°, -91.7713°, elevation 1,122 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).