Dewar, IA
Unincorporated community in Black Hawk County, Iowa
Dewar is a small unincorporated community in Black Hawk County, Iowa. It is 3.9 miles S of Raymond, the nearest town. Its ZIP code is 50623.
Dewar at a glance
- State
- Iowa
- County
- Black Hawk County
- ZIP code
- 50623
- Nearest town
- Raymond (3.9 mi)
- Time zone
- America/Chicago
- Coordinates
- 42.5256, -92.2189
Weather in Dewar now
Loading the National Weather Service forecast…
Dewar weather by the hour
Dewar weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Dewar.
This week in Dewar
Sunrise, sunset and moon in Dewar
What is the weather usually like in Dewar?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 11°F average low
- 36.3 inprecipitation per year · 922 mm
- 39.1 insnowfall per year · 99 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Dewar: May and July to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station WATERLOO MUNI AP, IA US (USW00094910), adjusted for the elevation of Dewar.
Dewar weather month by month
Sunrise and sunset in Dewar through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:34 AM | 5:02 PM | 9 h 28 min |
| February | 7:03 AM | 5:42 PM | 10 h 38 min |
| March | 7:18 AM | 7:16 PM | 11 h 57 min |
| April | 6:25 AM | 7:52 PM | 13 h 26 min |
| May | 5:44 AM | 8:25 PM | 14 h 40 min |
| June | 5:29 AM | 8:49 PM | 15 h 20 min |
| July | 5:43 AM | 8:46 PM | 15 h 2 min |
| August | 6:14 AM | 8:11 PM | 13 h 57 min |
| September | 6:47 AM | 7:20 PM | 12 h 32 min |
| October | 7:20 AM | 6:28 PM | 11 h 7 min |
| November | 6:58 AM | 4:48 PM | 9 h 49 min |
| December | 7:30 AM | 4:38 PM | 9 h 8 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Dewar?
Dewar has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 11°F (-12°C).
It gets about 36.3 inches (922 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 39 inches fall in an average year.
The best time to visit Dewar is May and July 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 Dewar
The closest live webcam is Elk Run Heights: WL - I-380 @ MM 68.7 (Evansdale Water Tower - E), 4.9 miles SW of Dewar.
Webcams: Windy.com. Distances in a straight line from Dewar.
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Map of Dewar, IA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Dewar Street View
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Open in Google Maps ›Towns near Dewar
Other communities near Dewar
Questions about Dewar
Where is Dewar, IA?
Dewar is an unincorporated community in Black Hawk County, Iowa, 3.9 miles S of Raymond.
What county is Dewar in?
Dewar is in Black Hawk County, Iowa.
What is the ZIP code of Dewar, IA?
The ZIP code for Dewar is 50623.
What is the nearest town to Dewar?
Raymond, 3.9 miles away.
Are there webcams near Dewar?
Yes. The closest is Elk Run Heights: WL - I-380 @ MM 68.7 (Evansdale Water Tower - E), 4.9 miles away.
What is the hottest month in Dewar?
July, with an average high of 85°F (29°C).
What is the coldest month in Dewar?
January, with an average low of 11°F (-12°C).
How much does it rain in Dewar?
About 36.3 inches (922 mm) a year; the wettest month is June.
Does it snow in Dewar?
Yes, about 39 inches of snow fall in an average year.
When is the best time to visit Dewar?
May and July to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Dewar have?
Hot-summer humid continental (Köppen Dfa).
Last updated: