Mason City weather in February: Mason City, Iowa: normal highs, lows, rain and records for February

Mason City in February has a normal high of 29°F and a normal low of 11°F, a daily mean of 20°F, rising from 25°F on the 1st to 34°F by the 29th. Measurable precipitation falls on 8 days in a normal February, 1.22 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of −2°C and low of −11°C, 31 mm of precipitation and 25 cm of snow in February.

  • NOAA stationMason City Municipal Airport
  • Station IDUSW00014940
  • Location43.15°N 93.33°W
  • Elevation1,225 ft (373 m)
  • From the center6 miles
  • Population26,948
  1. Jan 24° 7°
  2. Feb 29° 11°
  3. Mar 42° 24°
  4. Apr 58° 35°
  5. May 70° 47°
  6. Jun 80° 57°
  7. Jul 83° 61°
  8. Aug 80° 58°
  9. Sep 74° 49°
  10. Oct 60° 37°
  11. Nov 44° 24°
  12. 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 February?

The normal high is 29°F and the normal low 11°F, for a daily mean of 20.0°F. February is 4.3°F warmer than January and 12.9°F cooler than March. February is the 11th warmest month of the year in Mason City and the 11th wettest. Across the month the normal high rises 9°F, from 25°F on February 1 to 34°F on February 29. From one year to the next February's mean temperature typically moves about 6.6°F either way (NOAA's standard deviation), so roughly two Februarys in three average between 13°F and 27°F.

Mason City in February, day by day: normal high and low

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 28%).

Normal high and low on five days of February, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
February 125°F7°F27%11%
February 826°F9°F28%11%
February 1528°F11°F28%12%
February 2231°F14°F28%12%
February 2834°F17°F28%12%
Every day of February: normal high, low and chance of precipitation (warmest afternoon February 29, coldest night February 1)
Mason City: NOAA 1991-2020 daily normals for each day of February
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
February 125°F7°F27%11%9 h 50 min
February 225°F7°F27%11%10 h
February 325°F8°F27%11%10 h
February 425°F8°F27%11%10 h
February 526°F8°F27%11%10 h
February 626°F8°F28%11%10 h 10 min
February 726°F9°F28%11%10 h 10 min
February 826°F9°F28%11%10 h 10 min
February 927°F9°F28%11%10 h 10 min
February 1027°F10°F28%11%10 h 20 min
February 1127°F10°F28%11%10 h 20 min
February 1227°F10°F28%11%10 h 20 min
February 1328°F11°F28%12%10 h 20 min
February 1428°F11°F28%12%10 h 30 min
February 1528°F11°F28%12%10 h 30 min
February 1629°F12°F28%12%10 h 30 min
February 1729°F12°F28%12%10 h 40 min
February 1829°F12°F28%12%10 h 40 min
February 1930°F13°F28%12%10 h 40 min
February 2030°F13°F28%12%10 h 40 min
February 2131°F14°F28%12%10 h 50 min
February 2231°F14°F28%12%10 h 50 min
February 2331°F15°F28%12%10 h 50 min
February 2432°F15°F28%12%11 h
February 2532°F16°F28%12%11 h
February 2633°F16°F28%12%11 h
February 2733°F16°F28%12%11 h
February 2834°F17°F28%12%11 h 10 min
February 2934°F17°F28%13%11 h 10 min
Normal high
29°FFebruary average
Normal low
11°FFebruary average
Precipitation
1.22 inmonth total
Days with precipitation
80.01 inch or more
Snowfall
10.0 inmonth total
Nights at 32°F or colder
27
Daylight
9 h 50 min to 11 h 10 minFebruary 1 to February 28
Sunshine
76%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 or snow in Mason City in February?

On a given February day the chance of 0.01 inch or more is 28% on average, highest around February 28 (28%). In all, 1.22 in falls on 8 days of a normal February.

In a normal February in Mason City, 27 nights fall to freezing, 16 days stay below freezing all day and snowfall averages 10.0 inches.

Snow falls on 6 days in a normal February, and an inch or more covers the ground on 22 days.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014940.

How humid and windy is Mason City in February?

At 3 p.m. the normal temperature is 31°F with 69% relative humidity and a dew point of 22°F; at 6 a.m. it is 20°F with 84% humidity. The wind averages 12.5 mph, most often from the west-northwest in the afternoon. A dew point under 50°F feels dry.

A normal February day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.20°F16°F84%11.2 mph51%
9 a.m.22°F17°F81%12.7 mph47%
noon28°F20°F72%14.2 mph46%
3 p.m.31°F22°F69%14.3 mph46%
6 p.m.28°F21°F75%12.1 mph48%
9 p.m.24°F19°F81%11.9 mph51%

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 February in Mason City?

The warmest February temperature on this station's record (since 1948) is 73°F, on February 26, 2024; the coldest is −32°F, on February 2, 1996. The wettest February brought 3.55 in (1971); the snowiest, 29.3 inches (2019).

The February mean against the 1991-2020 normal of 20.0°F: 2021 8.8°F (−11.2), 2022 15.5°F (−4.5), 2023 20.8°F (+0.8), 2024 32.8°F (+12.8), 2025 16.9°F (−3.1), 2026 28.3°F (+8.3). 3 of 6 ran warmer than normal.

Mason City: February in recent years against the 1991-2020 normal
FebruaryMeanAgainst normalPrecip.
20218.8°F−11.2°F0.81 in
202215.5°F−4.5°F0.23 in
202320.8°F+0.8°F1.80 in
202432.8°F+12.8°F0.11 in
202516.9°F−3.1°F0.34 in
202628.3°F+8.3°F0.32 in

Source: records: ACIS, station USW00014940; recent months: ACIS, station USW00014940. Records and recent months use complete months only.

How does February in Mason City compare across Iowa?

Across the 132 places PlainClimate covers in Iowa, February normal highs run from 26°F in Northwood to 39°F in Shenandoah; Mason City's is 29°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places