Mount Rainier National Park (Washington) in august: average Weather, Temperature and Climate
Best time to go to Mount Rainier National Park (Washington)?
Weather in Mount Rainier National Park (Washington) in august 2025
The weather in Mount Rainier National Park (Washington) in august comes from statistical datas on the past years. You can view the weather statistics for all the month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
good weather 7.1cm UV index: 6
Weather at 6am
52°F
Clear/Sunny
65% of time
22%
5%
4%
Weather at 12pm
77°F
Clear/Sunny
71% of time
17%
8%
4%
Weather at 6pm
65°F
Clear/Sunny
68% of time
20%
9%
3%
Weather at 3am
43°F
58%
20%
12%
5%
Evolution of daily average temperature and precipitation in Mount Rainier National Park (Washington) in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mount Rainier National Park (Washington) in august.
The climate of Mount Rainier National Park (Washington) in august is good
In august in Mount Rainier National Park (Washington), the climate is relatively dry (with 1.5in of precipitation over 2 days). Unfortunately, the weather conditions is worsening than the previous month since in july there is an average of 0.9in of precipitation over 1 days.
The climate quite nice in this city the month of august. Temperatures are up to 79°F. In the morning the temperature drops to 52°F. Thus, the mean temperature average in august in Mount Rainier National Park (Washington) is 67°F. Note that seasonal normals in contrast with those observed in Mount Rainier National Park (Washington) in august with a maximum record of 103°F in 2018 and a minimum record of 31°F in 2021. You can expect to have about 8 days with temperatures over 86°F, or 26 of time.
Day length in Mount Rainier National Park (Washington) in august is 14:12. Sunrise is at 05:05 and sets at 19:17.
With a good climate, the month of august is a good month to go there.
Seasonal average climate and temperature of Mount Rainier National Park (Washington) in august
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 79°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 103°F (2018) | ||||
| Lowest record temperature | 31°F (2021) | ||||
| Number of days at +86°F | 8 day(s) (26%) | ||||
| Number of days at +65°F | 29 day(s) (94%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 50°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.5in | ||||
| Number of days with rainfall | 2 day(s) (5%) | ||||
| Record daily rainfall | 2.1in (2014) | ||||
| Snowfall | 7.1cm | ||||
| Other climate data | |||||
| Humidity | 69% | ||||
| Visibility | 9.16km | ||||
| Cloud cover | 20% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:05 | ||||
| Time of sunset | 19:17 | ||||
| Length of day | 14:12 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last august?
Here is the day by day recorded weather in Mount Rainier National Park (Washington) in august 2024:
58°F to 88°F
63°F to 90°F
59°F to 86°F
59°F to 88°F
58°F to 85°F
50°F to 79°F
54°F to 83°F
59°F to 88°F
61°F to 86°F
58°F to 83°F
54°F to 76°F
49°F to 70°F
52°F to 67°F
54°F to 76°F
52°F to 74°F
54°F to 74°F
52°F to 81°F
58°F to 76°F
52°F to 72°F
54°F to 67°F
56°F to 67°F
54°F to 68°F
49°F to 56°F
50°F to 56°F
54°F to 68°F
50°F to 76°F
54°F to 65°F
43°F to 68°F
49°F to 79°F
56°F to 85°F
58°F to 86°F
Map: other cities in the United States (USA) in august
Cities near Mount Rainier National Park (Washington):
| Seattle in august | perfect weather |
| Portland in august | perfect weather |
| Westport (Washington) in august | good weather |
| Ocean Park (Washington) in august | good weather |
| Long Beach (Washington) in august | good weather |
| Salem (Oregon) in august | perfect weather |
| La Push (Washington) in august | good weather |
| Lincoln City (Oregon) in august | perfect weather |
| Newport (Oregon) in august | perfect weather |
| Coos Bay in august | good weather |
| Crater Lake (Oregon) in august | good weather |
| Boise (Idaho) in august | perfect weather |
Click over cities on the map for information about the weather in august.
Mount Rainier National Park (Washington)
perfect weather
good
tolerable
bad
very bad
Weather data for Mount Rainier National Park (Washington) in august:
Weather data for Mount Rainier National Park (Washington) for august are derived from an average of the weather forecast since 2009 in Mount Rainier National Park (Washington). There is a margin of error and these forecasts are to be considered as general information only. The weather in Mount Rainier National Park (Washington) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Mount Rainier National Park (Washington).