Williamson, IA
Unincorporated community in Adams County, Iowa
Williamson is a small unincorporated community in Adams County, Iowa. It is 8.6 miles S of Prescott, the nearest town. Its ZIP code is 50859.
Williamson at a glance
- State
- Iowa
- County
- Adams County
- ZIP code
- 50859
- Nearest town
- Prescott (8.6 mi)
- Time zone
- America/Chicago
- Coordinates
- 41.1436, -94.5658
Weather in Williamson now
Loading the National Weather Service forecast…
Williamson weather by the hour
Williamson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Williamson.
This week in Williamson
Sunrise, sunset and moon in Williamson
What is the weather usually like in Williamson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 11°F average low
- 37.9 inprecipitation per year · 963 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Williamson: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station CRESTON 2 SW, IA US (USC00131962), adjusted for the elevation of Williamson.
Williamson weather month by month
Sunrise and sunset in Williamson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:39 AM | 5:15 PM | 9 h 36 min |
| February | 7:10 AM | 5:53 PM | 10 h 42 min |
| March | 7:27 AM | 7:26 PM | 11 h 58 min |
| April | 6:36 AM | 7:59 PM | 13 h 22 min |
| May | 5:58 AM | 8:31 PM | 14 h 33 min |
| June | 5:43 AM | 8:54 PM | 15 h 10 min |
| July | 5:57 AM | 8:51 PM | 14 h 53 min |
| August | 6:26 AM | 8:18 PM | 13 h 51 min |
| September | 6:57 AM | 7:29 PM | 12 h 31 min |
| October | 7:28 AM | 6:39 PM | 11 h 10 min |
| November | 7:04 AM | 5:00 PM | 9 h 55 min |
| December | 7:35 AM | 4:51 PM | 9 h 16 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Williamson?
Williamson 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 37.9 inches (963 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Williamson is May–June and August–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 Williamson
The closest live webcam is Creston: R13: US 34 West, 14.9 miles SE of Williamson.
Webcams: Windy.com. Distances in a straight line from Williamson.
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Map of Williamson, IA
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Williamson Street View
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Other communities near Williamson
Questions about Williamson
Where is Williamson, IA?
Williamson is an unincorporated community in Adams County, Iowa, 8.6 miles S of Prescott.
What county is Williamson in?
Williamson is in Adams County, Iowa.
What is the ZIP code of Williamson, IA?
The ZIP code for Williamson is 50859.
What is the nearest town to Williamson?
Prescott, 8.6 miles away.
Are there webcams near Williamson?
Yes. The closest is Creston: R13: US 34 West, 14.9 miles away.
What is the hottest month in Williamson?
July, with an average high of 85°F (29°C).
What is the coldest month in Williamson?
January, with an average low of 11°F (-12°C).
How much does it rain in Williamson?
About 37.9 inches (963 mm) a year; the wettest month is June.
Does it snow in Williamson?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Williamson?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Williamson have?
Hot-summer humid continental (Köppen Dfa).
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