Rolla weather in June

In June, Rolla sees average daytime highs of 83°F and overnight lows near 65°F, with 3.8 in of rain across 11.3 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 80°F in the first days to 86°F by the end. The sky is clear or mostly clear about 34% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Rolla's 6th-clearest and 9th-windiest month. For the whole year in context, see Rolla's year-round climate.

Daytime high
83°
3rd warmest
Overnight low
65°
10th coldest
Rainfall
3.8 in
11.3 wet days
Daylight
14 h 36 min
4:49 AM – 7:26 PM
Cloud cover
55%
6th clearest
Wind
6 mph
9th windiest
Solar energy
6.41 kWh/m²
Travel score
5.5
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 80°F in the first days to 86°F by the end.

A typical June day in Rolla reaches about 83°F in the afternoon and slips back to 65°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 75°F and 91°F. Set against its neighbours, June runs about 9°F warmer than May and about 5°F cooler than July.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
17962
28062
38062
48063
58063
68163
78164
88264
98264
108264
118265
128365
138365
148366
158466
168466
178466
188567
198567
208567
218567
228567
238567
248667
258668
268668
278668
288668
298768
308768

How June really feels in Rolla

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 3rd-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 19% of June, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34555
44555
54654
64654
74753
84852
94951
105050
115149
125248
135347
145446
155446
165545
175644
185644
195743
205743
215842
225842
235842
245842
255842
265941
275941
285941
295941
305941

Chance of precipitation in June

Any precipitation

Rolla gets around 3.8 in of rain over 11.3 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
241
341
440
540
640
739
839
939
1039
1139
1239
1339
1438
1538
1638
1738
1837
1937
2037
2137
2237
2337
2437
2537
2637
2737
2837
2936
3036

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1222024322
2212024323
3202024333
4182024343
5172023354
6162023364
7151923375
8141923385
9141823396
10131723407
11121623417
12111624428
13101524439
14914244310
15913244410
16813244411
17812244512
18712234512
19712234513
20712234514
21712224514
22712224515
23712214416
24712214417
25712204318
26713194319
27713194220
28713194120
29712184121
30712184022

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 24 min at the start of June to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:52 AM to 4:52 AM, and sunset from 7:18 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:527:18
214.44:517:18
314.54:517:19
414.54:517:20
514.54:507:20
614.54:507:21
714.54:507:21
814.54:507:22
914.64:497:23
1014.64:497:23
1114.64:497:24
1214.64:497:24
1314.64:497:25
1414.64:497:25
1514.64:497:25
1614.64:497:26
1714.64:497:26
1814.64:497:27
1914.64:497:27
2014.64:497:27
2114.64:497:27
2214.64:507:28
2314.64:507:28
2414.64:507:28
2514.64:507:28
2614.64:517:28
2714.64:517:28
2814.64:517:28
2914.64:527:29
3014.64:527:29

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.41 kWh/m² — the sunniest month for solar.

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 — June's 6.41 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.1Intense
56.1Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.4Intense
156.4Intense
166.4Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.5Intense
Planning a trip in June

Is June a good time to visit Rolla?

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

5.5
Sightseeing
5th-best month of the year
6.6
Beach & pool
4th-best month of the year

June is a reasonable time to visit Rolla for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rolla in June

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

In June, Rolla sees daytime highs around 83°F and nights near 65°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Rolla in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). 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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).