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Marshalltown, United States Snapshot 2026
Where is Marshalltown?
Marshalltown, United States
- Continent
- Americas
- Country
- United States
- City
- Marshalltown
- Population
- 27.6K
- Elevation
- 287 m
- Coordinates
- 42.05°, -92.91°
Marshalltown is a city in United States with a population of approximately 27.6K. Average temperatures range from -10°C (14°F) in January to 29°C (83°F) in July. The best time to visit is May, June, July, August, September. The city sits at an elevation of 287 m above sea level.
Time in Marshalltown right now
Open full time & time zone page 12:59 59
Monday, June 15, 2026
IANA time zone
America/Chicago
Daylight saving
DST in effect
CST / CDT
Next DST change
November 1
backward -1h
Live weather in Marshalltown
Daylight in Marshalltown today
View full sunrise & sunset page Sunrise
Sunset
Day length
15h 14m
Climate normals for Marshalltown
Long-term monthly averages based on historical data.
January
Poor 
February
Poor March
Poor April
Fair May best
Excellent June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Good November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -1°C / -10°C | -6°C / -15°C | 7days (39 mm) Good | 5.7h Fair | 75% Muggy | 2.5 Moderate | Poor | View Details |
| February | 2°C / -8°C | -3°C / -14°C | 5days (33 mm) Good | 7.4h Good | 70% Muggy | 3.7 Moderate | Poor | View Details |
| March | 10°C / 0°C | 6°C / -5°C | 10days (78 mm) Wet | 7.9h Good | 66% Muggy | 4.6 Moderate | Poor | View Details |
| April | 16°C / 5°C | 13°C / 0°C | 11days (96 mm) Wet | 9h Good | 63% Muggy | 5.5 High | Fair | View Details |
| May best | 22°C / 12°C | 21°C / 9°C | 12days (129 mm) Wet | 9.9h Good | 67% Muggy | 6.9 High | Excellent | View Details |
| June best | 28°C / 18°C | 30°C / 18°C | 11days (103 mm) Wet | 12.2h Excellent | 67% Muggy | 7.1 Very High | Excellent | View Details |
| July best | 29°C / 19°C | 32°C / 21°C | 10days (97 mm) Wet | 12.2h Excellent | 74% Muggy | 7.3 Very High | Excellent | View Details |
| August best | 28°C / 19°C | 30°C / 19°C | 8days (68 mm) Wet | 11.3h Excellent | 72% Muggy | 6.7 High | Excellent | View Details |
| September best | 26°C / 16°C | 26°C / 15°C | 8days (90 mm) Wet | 9.8h Good | 68% Muggy | 5.6 High | Excellent | View Details |
| October | 18°C / 8°C | 15°C / 5°C | 9days (98 mm) Wet | 7.7h Good | 64% Muggy | 4 Moderate | Good | View Details |
| November | 9°C / 1°C | 5°C / -4°C | 6days (47 mm) Good | 6.5h Fair | 68% Muggy | 2.7 Moderate | Poor | View Details |
| December | 3°C / -5°C | -2°C / -11°C | 6days (38 mm) Good | 5.7h Fair | 71% Muggy | 2.1 Moderate | Poor | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: -1°C / -10°C . Feb: 2°C / -8°C . Mar: 10°C / 0°C . Apr: 16°C / 5°C . May: 22°C / 12°C . Jun: 28°C / 18°C . Jul: 29°C / 19°C . Aug: 28°C / 19°C . Sep: 26°C / 16°C . Oct: 18°C / 8°C . Nov: 9°C / 1°C . Dec: 3°C / -5°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 39 mm. Feb: 33 mm. Mar: 78 mm. Apr: 96 mm. May: 129 mm. Jun: 103 mm. Jul: 97 mm. Aug: 68 mm. Sep: 90 mm. Oct: 98 mm. Nov: 47 mm. Dec: 38 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 75%. Feb: 70%. Mar: 66%. Apr: 63%. May: 67%. Jun: 67%. Jul: 74%. Aug: 72%. Sep: 68%. Oct: 64%. Nov: 68%. Dec: 71%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 24 km/h . Mar: 25 km/h . Apr: 27 km/h . May: 22 km/h . Jun: 21 km/h . Jul: 18 km/h . Aug: 18 km/h . Sep: 20 km/h . Oct: 24 km/h . Nov: 23 km/h . Dec: 23 km/h .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 3. Feb: UV 4. Mar: UV 5. Apr: UV 6. 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
Marshalltown has a population of approximately 27.6K.
The best months to visit Marshalltown are May, June, July, August, September, when temperatures are pleasant and rainfall is lower.
Marshalltown receives approximately 916mm of rainfall annually across 103 rainy days.
Marshalltown is located in United States, in the Americas region.
Marshalltown sits at an elevation of 287 m (942 ft) above sea level.