Union Gap, WA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Union Gap now
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Union Gap weather by the hour
Union Gap weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Union Gap.
This week in Union Gap
Sunrise, sunset and moon in Union Gap
What is the weather usually like in Union Gap?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 90°F average high
- Decembercoldest month · 23°F average low
- 8.0 inprecipitation per year · 204 mm
- 20.3 insnowfall per year · 52 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Union Gap: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station YAKIMA AIR TERMINAL, WA US (USW00024243), adjusted for the elevation of Union Gap.
Union Gap weather month by month
Sunrise and sunset in Union Gap through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:39 AM | 4:43 PM | 9 h 3 min |
| February | 7:03 AM | 5:28 PM | 10 h 25 min |
| March | 7:12 AM | 7:09 PM | 11 h 56 min |
| April | 6:12 AM | 7:51 PM | 13 h 39 min |
| May | 5:25 AM | 8:30 PM | 15 h 5 min |
| June | 5:06 AM | 8:58 PM | 15 h 52 min |
| July | 5:22 AM | 8:53 PM | 15 h 30 min |
| August | 5:59 AM | 8:13 PM | 14 h 14 min |
| September | 6:38 AM | 7:15 PM | 12 h 36 min |
| October | 7:18 AM | 6:16 PM | 10 h 58 min |
| November | 7:02 AM | 4:30 PM | 9 h 27 min |
| December | 7:37 AM | 4:16 PM | 8 h 39 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Union Gap?
Union Gap has a cold semi-arid climate. The warmest month is July, with an average high of 90°F (32°C), and the coldest is December, with average lows of 23°F (-5°C).
It gets about 8.0 inches (204 mm) of precipitation a year. The wettest month is December and the driest is July. Snow is common: about 20 inches fall in an average year.
The best time to visit Union Gap is May–June and August–September. At 984 ft of elevation, nights are mild most of the year. 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.
More about Union Gap
Weather in towns near Union Gap
Questions about the weather in Union Gap
What is the hottest month in Union Gap?
July, with an average high of 90°F (32°C).
What is the coldest month in Union Gap?
December, with an average low of 23°F (-5°C).
How much does it rain in Union Gap?
About 8.0 inches (204 mm) a year; the wettest month is December.
Does it snow in Union Gap?
Yes, about 20 inches of snow fall in an average year.
When is the best time to visit Union Gap?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Union Gap have?
Cold semi-arid (Köppen BSk).
What is the weather like in Union Gap in November?
Highs average 49°F and lows 28°F, with about 0.9 inches of precipitation.
What time is sunrise in Union Gap?
Around 7:02 AM in mid-November, and sunset around 4:30 PM. Today’s exact times are shown above.
Where does this Union Gap weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Union Gap.
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