Rockville, IA
Unincorporated community in Dubuque County, Iowa
Rockville is a small unincorporated community in Dubuque County, Iowa. It is 1.8 miles SE of Worthington, the nearest town. Its ZIP code is 52078.
Rockville at a glance
- State
- Iowa
- County
- Dubuque County
- ZIP code
- 52078
- Nearest town
- Worthington (1.8 mi)
- Time zone
- America/Chicago
- Coordinates
- 42.4186, -91.1419
Weather in Rockville now
Loading the National Weather Service forecast…
Rockville weather by the hour
Rockville weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Rockville.
This week in Rockville
Sunrise, sunset and moon in Rockville
What is the weather usually like in Rockville?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 11°F average low
- 39.3 inprecipitation per year · 999 mm
- 31.1 insnowfall per year · 79 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Rockville: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CASCADE, IA US (USC00131257), adjusted for the elevation of Rockville.
Rockville weather month by month
Sunrise and sunset in Rockville through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:29 AM | 4:58 PM | 9 h 29 min |
| February | 6:59 AM | 5:38 PM | 10 h 39 min |
| March | 7:14 AM | 7:12 PM | 11 h 57 min |
| April | 6:21 AM | 7:47 PM | 13 h 26 min |
| May | 5:40 AM | 8:20 PM | 14 h 39 min |
| June | 5:25 AM | 8:45 PM | 15 h 19 min |
| July | 5:39 AM | 8:41 PM | 15 h 1 min |
| August | 6:10 AM | 8:07 PM | 13 h 56 min |
| September | 6:43 AM | 7:15 PM | 12 h 32 min |
| October | 7:16 AM | 6:24 PM | 11 h 7 min |
| November | 6:54 AM | 4:44 PM | 9 h 49 min |
| December | 7:25 AM | 4:34 PM | 9 h 8 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Rockville?
Rockville has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 11°F (-11°C).
It gets about 39.3 inches (999 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 31 inches fall in an average year.
The best time to visit Rockville is June to September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Rockville
The closest live webcam is Dyersville: WWD - US 20 @ X49 near, 3.7 miles N of Rockville.
Webcams: Windy.com. Distances in a straight line from Rockville.
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Map of Rockville, IA
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Rockville Street View
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Questions about Rockville
Where is Rockville, IA?
Rockville is an unincorporated community in Dubuque County, Iowa, 1.8 miles SE of Worthington.
What county is Rockville in?
Rockville is in Dubuque County, Iowa.
What is the ZIP code of Rockville, IA?
The ZIP code for Rockville is 52078.
What is the nearest town to Rockville?
Worthington, 1.8 miles away.
Are there webcams near Rockville?
Yes. The closest is Dyersville: WWD - US 20 @ X49 near, 3.7 miles away.
What is the hottest month in Rockville?
July, with an average high of 83°F (28°C).
What is the coldest month in Rockville?
January, with an average low of 11°F (-11°C).
How much does it rain in Rockville?
About 39.3 inches (999 mm) a year; the wettest month is June.
Does it snow in Rockville?
Yes, about 31 inches of snow fall in an average year.
When is the best time to visit Rockville?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Rockville have?
Hot-summer humid continental (Köppen Dfa).
Last updated: