Prosser, WA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Prosser now
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Prosser weather by the hour
Prosser weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Prosser.
This week in Prosser
Sunrise, sunset and moon in Prosser
What is the weather usually like in Prosser?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 91°F average high
- Decembercoldest month · 27°F average low
- 8.7 inprecipitation per year · 222 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Prosser: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PROSSER, WA US (USC00456768), adjusted for the elevation of Prosser.
Prosser weather month by month
Sunrise and sunset in Prosser through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:35 AM | 4:41 PM | 9 h 5 min |
| February | 6:59 AM | 5:26 PM | 10 h 26 min |
| March | 7:09 AM | 7:06 PM | 11 h 56 min |
| April | 6:10 AM | 7:47 PM | 13 h 37 min |
| May | 5:23 AM | 8:26 PM | 15 h 3 min |
| June | 5:04 AM | 8:54 PM | 15 h 49 min |
| July | 5:21 AM | 8:49 PM | 15 h 28 min |
| August | 5:57 AM | 8:09 PM | 14 h 12 min |
| September | 6:36 AM | 7:12 PM | 12 h 35 min |
| October | 7:15 AM | 6:14 PM | 10 h 59 min |
| November | 6:58 AM | 4:28 PM | 9 h 29 min |
| December | 7:33 AM | 4:15 PM | 8 h 41 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Prosser?
Prosser has a cold semi-arid climate. The warmest month is July, with an average high of 91°F (33°C), and the coldest is December, with average lows of 27°F (-3°C).
It gets about 8.7 inches (222 mm) of precipitation a year. The wettest month is December and the driest is August.
The best time to visit Prosser is May–June and August–September. At 666 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 Prosser
Weather in towns near Prosser
Questions about the weather in Prosser
What is the hottest month in Prosser?
July, with an average high of 91°F (33°C).
What is the coldest month in Prosser?
December, with an average low of 27°F (-3°C).
How much does it rain in Prosser?
About 8.7 inches (222 mm) a year; the wettest month is December.
Does it snow in Prosser?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Prosser?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Prosser have?
Cold semi-arid (Köppen BSk).
What is the weather like in Prosser in November?
Highs average 50°F and lows 32°F, with about 0.9 inches of precipitation.
What time is sunrise in Prosser?
Around 6:58 AM in mid-November, and sunset around 4:28 PM. Today’s exact times are shown above.
Where does this Prosser weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Prosser.
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