Mason City in Fall
In fall (September, October and November), Mason City sees average daytime highs around 58°F and overnight lows near 40°F, with 8.1 in of precipitation over about 24 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 76°F in early September to 37°F by late November. The sky is clear or mostly clear about 37% of the time across fall, and the air most often feels dry.
Fall is Mason City's 2nd-best season to visit on our travel score. For the whole year in context, see Mason City's year-round climate.
- Avg daytime high
- 58°F
- 2nd-warmest season
- Avg overnight low
- 40°F
- Precipitation
- 8.1 in
- 24 wet days
- Avg wind
- 10 mph
- Travel score
- 4.2
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Mason City in Fall
Over the season highs ease from about 76°F in early September to 37°F by late November.
A typical fall day in Mason City reaches about 58°F and drops to 40°F overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Mason City
Once humidity and wind are folded in, fall brings about 0 days that feel above 90°F and 42 that feel at or below 32°F.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Mason City weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 24° / 9° | 1.1 | 6.1 | 5.7 | 9.2 | 0.0 |
| Feb | 28° / 13° | 1.2 | 5.9 | 5.3 | 10.2 | 0.0 |
| Mar | 42° / 25° | 2.4 | 8.5 | 3.9 | 11.6 | 0.7 |
| Apr | 57° / 37° | 4.0 | 11.5 | 1.9 | 13.1 | 3.8 |
| May | 69° / 49° | 5.1 | 13.6 | 0.1 | 14.4 | 5.8 |
| Jun | 78° / 60° | 5.4 | 12.6 | 0 | 15.1 | 6.3 |
| Jul | 80° / 63° | 4.0 | 9.7 | 0 | 14.9 | 6.7 |
| Aug | 78° / 60° | 4.0 | 10.2 | 0 | 13.8 | 6.9 |
| Sep | 72° / 52° | 3.5 | 9.3 | 0 | 12.3 | 6.9 |
| Oct | 59° / 40° | 2.7 | 8.2 | 0.5 | 10.8 | 4.8 |
| Nov | 43° / 27° | 1.9 | 6.5 | 2.8 | 9.5 | 0.9 |
| Dec | 30° / 15° | 1.5 | 6.7 | 5.9 | 8.9 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 37% of the time across fall.
Chance of precipitation in Fall
Mason City gets around 8.1 in of rain and snow over 24 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 10 mph across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early September to 9 h 06 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.2 kWh/m².
Hazard calendar for Mason City
In fall, Mason City overlaps 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.
Is fall a good time to visit Mason City?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Mason City for sightseeing.
What to pack for Mason City in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Mason City sees daytime highs around 58°F and nights near 40°F. Pack a warm layer and a heavy coat. Worth having: light clothes and rain gear. About 24 days see rain.
UV index in Mason City in Fall
Clear-sky midday UV across fall averages 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 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 6 | 7 | 9 | 7 | 7 | 6 | 4 | 2 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 7 | Very high |
| Aug | 7 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 2 | Low |
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.
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
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.