Mason City weather in June

In June, Mason City sees average daytime highs of 78°F and overnight lows near 60°F, with 5.4 in of rain across 12.6 wet days and about 15.1 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 80°F by the end. The sky is clear or mostly clear about 31% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of June to 15 h 12 min by month's end. Set against the rest of the year, June is Mason City's 5th-clearest and 10th-windiest month. For the whole year in context, see Mason City's year-round climate.

Daytime high
78°
3rd warmest
Overnight low
60°
10th coldest
Rainfall
5.4 in
12.6 wet days
Daylight
15 h 12 min
4:38 AM – 7:48 PM
Cloud cover
59%
5th clearest
Wind
9 mph
10th windiest
Solar energy
6.24 kWh/m²
Travel score
6.3
out of 10

Mason City is city and the county seat of Cerro Gordo County, Iowa, United States.

Density
376/km²
people per km²

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 75°F in the first days to 80°F by the end.

A typical June day in Mason City reaches about 78°F in the afternoon and slips back to 60°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 68°F and 86°F. Set against its neighbours, June runs about 9°F warmer than May and about 3°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17456
27456
37556
47557
57557
67657
77658
87658
97658
107759
117759
127759
137760
147860
157860
167860
177861
187861
197961
207961
217961
227962
237962
247962
257962
267962
278062
288062
298062
308063

How June really feels in Mason City

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.

Mason City weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan24° / 1.16.15.79.20.0
Feb28° / 13°1.25.95.310.20.0
Mar42° / 25°2.48.53.911.60.7
Apr57° / 37°4.011.51.913.13.8
May69° / 49°5.113.60.114.45.8
Jun78° / 60°5.412.6015.16.3
Jul80° / 63°4.09.7014.96.7
Aug78° / 60°4.010.2013.86.9
Sep72° / 52°3.59.3012.36.9
Oct59° / 40°2.78.20.510.84.8
Nov43° / 27°1.96.52.89.50.9
Dec30° / 15°1.56.75.98.90.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 17% of June, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54456
64555
74555
84555
94555
104654
114654
124654
134654
144753
154753
164753
174852
184951
195050
205149
215248
225248
235347
245347
255446
265545
275545
285644
295644
305743

Chance of precipitation in June

Any precipitation

Mason City gets around 5.4 in of rain over 12.6 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 46% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
146
245
345
444
544
644
744
844
943
1043
1143
1243
1343
1443
1543
1643
1743
1843
1942
2042
2141
2241
2340
2440
2539
2638
2738
2837
2936
3036

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
158201660
256211670
354211780
453221780
550231890
649231890
7462419101
8442420111
9422521121
10402521131
11382522141
12352523151
13332524162
14312525172
15302526182
16282526192
17272427203
18252427203
19242428214
20232428214
21222328225
22212328225
23212328236
24202228236
25202228247
26192128248
27192128258
28182028259
29182028269
301720282610

Wind in June

Winds average 9 mph in June.

Across June, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
298light breeze
308light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 54 min at the start of June to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:42 AM to 4:41 AM, and sunset from 7:39 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:427:39
215.04:417:39
315.04:417:40
415.04:417:41
515.04:407:42
615.04:407:43
715.14:397:43
815.14:397:44
915.14:397:45
1015.14:397:45
1115.14:387:46
1215.14:387:46
1315.14:387:47
1415.24:387:47
1515.24:387:48
1615.24:387:48
1715.24:387:49
1815.24:387:49
1915.24:387:49
2015.24:387:50
2115.24:387:50
2215.24:387:50
2315.24:397:50
2415.24:397:51
2515.24:397:51
2615.24:397:51
2715.24:407:51
2815.24:407:51
2915.24:417:51
3015.24:417:51

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.24 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 6.38 kWh/m² in July across the year — June's 6.24 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
26.0Bright
36.0Bright
46.0Bright
56.0Intense
66.0Intense
76.1Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in June

Hazard calendar for Mason City

In seasonPeak

In June, Mason City sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Mason City's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Mason City?

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

6.3
Sightseeing
4th-best month of the year
5.8
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Mason City for sightseeing.

What to pack for Mason City in June

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

In June, Mason City sees daytime highs around 78°F and nights near 60°F. Pack sun protection. Worth having: light clothes and rain gear. About 13 days see rain.

sun protectionlight clothesrain gear

UV index in Mason City in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mason City peaks around June 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 16UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul7Very high
Aug7Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low
Location & terrain

Where is Mason City?

Mason City sits at 43.2°N, 93.2°W, 1,129 ft above sea level, in United States. The nearest listed city is Albert Lea, 35 mi away.

Topography around Mason City

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

Within 2 miles, the terrain around Mason City has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 1,129 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 285 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 577 ft.

The land around Mason City is covered by trees (38%) and artificial surfaces (29%) within 2 miles, cropland (77%) within 10 miles, and cropland (89%) within 50 miles.

2 miles
135 ft
10 miles
285 ft
50 miles
577 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Albert Lea 35 mi · Austin 37 mi · Cedar Falls 58 mi · Waterloo 63 mi · Owatonna 64 mi · Fort Dodge 66 mi · Rochester 70 mi · Marshalltown 78 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 Mason City (43.1536°, -93.201°, elevation 1,129 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).