Mason City weather in June: Mason City, Iowa: normal highs, lows, rain and records for June
Mason City in June has a normal high of 80°F and a normal low of 57°F, a daily mean of 69°F, rising from 76°F on the 1st to 83°F by the 30th. Measurable precipitation falls on 12 days in a normal June, 5.39 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 26°C and low of 14°C, 137 mm of precipitation in June.
- NOAA stationMason City Municipal Airport
- Station IDUSW00014940
- Location43.15°N 93.33°W
- Elevation1,225 ft (373 m)
- From the center6 miles
- Population26,948
- Jan 24° 7°
- Feb 29° 11°
- Mar 42° 24°
- Apr 58° 35°
- May 70° 47°
- Jun 80° 57°
- Jul 83° 61°
- Aug 80° 58°
- Sep 74° 49°
- Oct 60° 37°
- Nov 44° 24°
- Dec 30° 14°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Mason City in June?
The normal high is 80°F and the normal low 57°F, for a daily mean of 68.5°F. June is 10.3°F warmer than May and 3.0°F cooler than July. June is the 3rd warmest month of the year in Mason City and the wettest. Across the month the normal high rises 7°F, from 76°F on June 1 to 83°F on June 30. From one year to the next June's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Junes in three average between 66°F and 71°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| June 1 | 76°F | 53°F | 43% | 28% |
| June 8 | 78°F | 56°F | 41% | 28% |
| June 15 | 80°F | 58°F | 40% | 27% |
| June 22 | 81°F | 59°F | 38% | 26% |
| June 30 | 83°F | 60°F | 35% | 24% |
Every day of June: normal high, low and chance of precipitation (warmest afternoon June 30, coldest night June 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| June 1 | 76°F | 53°F | 43% | 28% | 15 h 10 min |
| June 2 | 76°F | 54°F | 43% | 28% | 15 h 10 min |
| June 3 | 76°F | 54°F | 42% | 28% | 15 h 10 min |
| June 4 | 77°F | 54°F | 42% | 28% | 15 h 10 min |
| June 5 | 77°F | 55°F | 42% | 28% | 15 h 10 min |
| June 6 | 77°F | 55°F | 42% | 28% | 15 h 10 min |
| June 7 | 78°F | 55°F | 42% | 28% | 15 h 20 min |
| June 8 | 78°F | 56°F | 41% | 28% | 15 h 20 min |
| June 9 | 78°F | 56°F | 41% | 28% | 15 h 20 min |
| June 10 | 78°F | 56°F | 41% | 28% | 15 h 20 min |
| June 11 | 79°F | 57°F | 41% | 28% | 15 h 20 min |
| June 12 | 79°F | 57°F | 41% | 28% | 15 h 20 min |
| June 13 | 79°F | 57°F | 40% | 28% | 15 h 20 min |
| June 14 | 80°F | 57°F | 40% | 28% | 15 h 20 min |
| June 15 | 80°F | 58°F | 40% | 27% | 15 h 20 min |
| June 16 | 80°F | 58°F | 40% | 27% | 15 h 20 min |
| June 17 | 80°F | 58°F | 39% | 27% | 15 h 20 min |
| June 18 | 81°F | 58°F | 39% | 27% | 15 h 20 min |
| June 19 | 81°F | 58°F | 39% | 27% | 15 h 20 min |
| June 20 | 81°F | 59°F | 38% | 27% | 15 h 20 min |
| June 21 | 81°F | 59°F | 38% | 26% | 15 h 20 min |
| June 22 | 81°F | 59°F | 38% | 26% | 15 h 20 min |
| June 23 | 82°F | 59°F | 37% | 26% | 15 h 20 min |
| June 24 | 82°F | 59°F | 37% | 26% | 15 h 20 min |
| June 25 | 82°F | 60°F | 37% | 25% | 15 h 20 min |
| June 26 | 82°F | 60°F | 36% | 25% | 15 h 20 min |
| June 27 | 82°F | 60°F | 36% | 25% | 15 h 20 min |
| June 28 | 82°F | 60°F | 36% | 25% | 15 h 20 min |
| June 29 | 82°F | 60°F | 35% | 24% | 15 h 20 min |
| June 30 | 83°F | 60°F | 35% | 24% | 15 h 20 min |
- Normal high
- 80°FJune average
- Normal low
- 57°FJune average
- Precipitation
- 5.39 inmonth total
- Days with precipitation
- 120.01 inch or more
- Days at 90°F or more
- 3
- Daylight
- 15 h 10 min to 15 h 20 minJune 1 to June 30
- Days at 70°F or more
- 27
- Days at 80°F or more
- 16
- Sunshine
- 75%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014940; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Mason City in June?
On a given June day the chance of 0.01 inch or more is 39% on average, highest around June 1 (43%). In all, 5.39 in falls on 12 days of a normal June, 2 of them with an inch or more.
In a normal June in Mason City, 3 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014940.
How humid and windy is Mason City in June?
At 3 p.m. the normal temperature is 80°F with 54% relative humidity and a dew point of 62°F; at 6 a.m. it is 64°F with 87% humidity. The wind averages 9.4 mph, most often from the southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 64°F | 61°F | 87% | 7.4 mph | 63% |
| 9 a.m. | 73°F | 62°F | 69% | 10.8 mph | 60% |
| noon | 78°F | 62°F | 59% | 12.0 mph | 55% |
| 3 p.m. | 80°F | 62°F | 54% | 12.2 mph | 53% |
| 6 p.m. | 78°F | 62°F | 58% | 11.3 mph | 67% |
| 9 p.m. | 69°F | 62°F | 79% | 7.3 mph | 72% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014940. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for June in Mason City?
The warmest June temperature on this station's record (since 1948) is 103°F, on June 8, 1985; the coldest is 36°F, on June 1, 1993. The wettest June brought 14.35 in (1954).
The June mean against the 1991-2020 normal of 68.5°F: 2021 74.1°F (+5.6), 2022 69.5°F (+1.0), 2023 70.2°F (+1.7), 2024 69.7°F (+1.2), 2025 71.1°F (+2.6), 2026 69.1°F (+0.6). 6 of 6 ran warmer than normal.
| June | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.1°F | +5.6°F | 4.39 in |
| 2022 | 69.5°F | +1.0°F | 5.55 in |
| 2023 | 70.2°F | +1.7°F | 2.57 in |
| 2024 | 69.7°F | +1.2°F | 5.64 in |
| 2025 | 71.1°F | +2.6°F | 8.99 in |
| 2026 | 69.1°F | +0.6°F | 2.88 in |
Source: records: ACIS, station USW00014940; recent months: ACIS, station USW00014940. Records and recent months use complete months only.
How does June in Mason City compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, June normal highs run from 76°F in Northwood to 84°F in Harlan; Mason City's is 80°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.