Umtanum, WA
Unincorporated community in Kittitas County, Washington
Umtanum is a small unincorporated community in Kittitas County, Washington. It is 8.7 miles N of Kittitas, the nearest town. Its ZIP code is 98934.
Umtanum at a glance
- State
- Washington
- County
- Kittitas County
- ZIP code
- 98934
- Nearest town
- Kittitas (8.7 mi)
- Time zone
- America/Los Angeles
- Coordinates
- 46.8650, -120.4786
Weather in Umtanum now
Loading the National Weather Service forecast…
Umtanum weather by the hour
Umtanum weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Umtanum.
This week in Umtanum
Sunrise, sunset and moon in Umtanum
What is the weather usually like in Umtanum?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 20°F average low
- 9.0 inprecipitation per year · 228 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Umtanum: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ELLENSBURG, WA US (USC00452505), adjusted for the elevation of Umtanum.
Umtanum weather month by month
Sunrise and sunset in Umtanum through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:40 AM | 4:42 PM | 9 h 1 min |
| February | 7:03 AM | 5:28 PM | 10 h 24 min |
| March | 7:12 AM | 7:09 PM | 11 h 56 min |
| April | 6:11 AM | 7:51 PM | 13 h 40 min |
| May | 5:24 AM | 8:31 PM | 15 h 7 min |
| June | 5:04 AM | 9:00 PM | 15 h 55 min |
| July | 5:21 AM | 8:54 PM | 15 h 33 min |
| August | 5:58 AM | 8:14 PM | 14 h 15 min |
| September | 6:38 AM | 7:15 PM | 12 h 36 min |
| October | 7:18 AM | 6:16 PM | 10 h 57 min |
| November | 7:03 AM | 4:29 PM | 9 h 25 min |
| December | 7:38 AM | 4:15 PM | 8 h 36 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Umtanum?
Umtanum has a cold semi-arid climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 20°F (-7°C).
It gets about 9.0 inches (228 mm) of precipitation a year. The wettest month is December and the driest is August.
The best time to visit Umtanum 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 Umtanum
The closest live webcam is Kittitas › East: I-82 at MP 7.7: Manastash Ridge Summit, 2.7 miles NE of Umtanum.
Webcams: Windy.com. Distances in a straight line from Umtanum.
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Map of Umtanum, WA
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Umtanum Street View
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Questions about Umtanum
Where is Umtanum, WA?
Umtanum is an unincorporated community in Kittitas County, Washington, 8.7 miles N of Kittitas.
What county is Umtanum in?
Umtanum is in Kittitas County, Washington.
What is the ZIP code of Umtanum, WA?
The ZIP code for Umtanum is 98934.
What is the nearest town to Umtanum?
Kittitas, 8.7 miles away.
Are there webcams near Umtanum?
Yes. The closest is Kittitas › East: I-82 at MP 7.7: Manastash Ridge Summit, 2.7 miles away.
What is the hottest month in Umtanum?
July, with an average high of 85°F (29°C).
What is the coldest month in Umtanum?
January, with an average low of 20°F (-7°C).
How much does it rain in Umtanum?
About 9.0 inches (228 mm) a year; the wettest month is December.
Does it snow in Umtanum?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Umtanum?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Umtanum have?
Cold semi-arid (Köppen BSk).
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