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Mason City, United States Snapshot 2026
Where is Mason City?
Mason City, United States
- Continent
- Americas
- Country
- United States
- City
- Mason City
- Population
- 27.4K
- Elevation
- 344 m
- Coordinates
- 43.15°, -93.20°
Mason City is a city in United States with a population of approximately 27.4K. Average temperatures range from -11°C (12°F) in January to 28°C (82°F) in July. The best time to visit is June, July, August, September. The city sits at an elevation of 344 m above sea level.
Time in Mason City right now
Open full time & time zone page 00:49 49
Tuesday, June 16, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Mason City
Daylight in Mason City today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 22m
Climate normals for Mason City
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Poor May
Good June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -3°C / -11°C | -8°C / -17°C | 6days (34 mm) Good | 5.4h Fair | 76% Humid | 2.4 Moderate | Poor | View Details |
| February | -1°C / -11°C | -6°C / -17°C | 5days (35 mm) Good | 7.3h Good | 74% Muggy | 3.5 Moderate | Poor | View Details |
| March | 8°C / -2°C | 4°C / -7°C | 9days (77 mm) Wet | 7.9h Good | 67% Muggy | 4.6 Moderate | Poor | View Details |
| April | 14°C / 3°C | 11°C / -1°C | 12days (90 mm) Wet | 8.7h Good | 64% Muggy | 5.2 High | Poor | View Details |
| May | 21°C / 10°C | 20°C / 8°C | 13days (129 mm) Wet | 10h Excellent | 66% Muggy | 6.7 High | Good | View Details |
| June best | 27°C / 17°C | 28°C / 16°C | 12days (131 mm) Wet | 12h Excellent | 68% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 28°C / 19°C | 30°C / 19°C | 10days (98 mm) Wet | 12.2h Excellent | 75% Muggy | 7.1 Very High | Excellent | View Details |
| August best | 27°C / 17°C | 28°C / 18°C | 11days (115 mm) Wet | 11.1h Excellent | 75% Muggy | 6.6 High | Excellent | View Details |
| September best | 24°C / 15°C | 24°C / 13°C | 9days (91 mm) Wet | 9.6h Good | 70% Muggy | 5.5 High | Excellent | View Details |
| October | 16°C / 7°C | 13°C / 3°C | 8days (80 mm) Wet | 7.5h Good | 65% Muggy | 3.9 Moderate | Fair | View Details |
| November | 8°C / -1°C | 3°C / -5°C | 6days (45 mm) Good | 6.2h Fair | 69% Muggy | 2.5 Moderate | Poor | View Details |
| December | 1°C / -7°C | -4°C / -13°C | 7days (38 mm) Good | 5.4h Fair | 74% Muggy | 2 Low | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -3°C / -11°C . Feb: -1°C / -11°C . Mar: 8°C / -2°C . Apr: 14°C / 3°C . May: 21°C / 10°C . Jun: 27°C / 17°C . Jul: 28°C / 19°C . Aug: 27°C / 17°C . Sep: 24°C / 15°C . Oct: 16°C / 7°C . Nov: 8°C / -1°C . Dec: 1°C / -7°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 34 mm. Feb: 35 mm. Mar: 77 mm. Apr: 90 mm. May: 129 mm. Jun: 131 mm. Jul: 98 mm. Aug: 115 mm. Sep: 91 mm. Oct: 80 mm. Nov: 45 mm. Dec: 38 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 74%. Mar: 67%. Apr: 64%. May: 66%. Jun: 68%. Jul: 75%. Aug: 75%. Sep: 70%. Oct: 65%. Nov: 69%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 25 km/h . Mar: 25 km/h . Apr: 27 km/h . May: 23 km/h . Jun: 22 km/h . Jul: 19 km/h . Aug: 19 km/h . Sep: 21 km/h . Oct: 24 km/h . Nov: 24 km/h . Dec: 24 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 4. Mar: UV 5. Apr: UV 5. May: UV 7. Jun: UV 7. Jul: UV 7. Aug: UV 7. Sep: UV 6. Oct: UV 4. Nov: UV 3. Dec: UV 2.
Frequently Asked Questions
Mason City has a population of approximately 27.4K.
The best months to visit Mason City are June, July, August, September, when temperatures are pleasant and rainfall is lower.
Mason City receives approximately 963mm of rainfall annually across 108 rainy days.
Mason City is located in United States, in the Americas region.
Mason City sits at an elevation of 344 m (1,129 ft) above sea level.