Seattle in may: average Weather, Temperature and Climate
Weather in Seattle in may 2025
The weather in Seattle in the month of may comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout may
good weather
Weather at 6am
54°F
Clear/Sunny
34% of time
28%
14%
13%
Weather at 12pm
67°F
Clear/Sunny
39% of time
27%
21%
8%
Weather at 6pm
59°F
Clear/Sunny
39% of time
28%
21%
7%
Weather at 3am
49°F
31%
28%
21%
14%
Evolution of daily average temperature and precipitation in Seattle in may
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Seattle in may.
The climate of Seattle in may is good
The climate in may in Seattle is wet (with 1.5in of precipitation over 2 days). The weather is better from the previous month since in april it receives an average of 2in of precipitation over 3 days.
The climate is quite cold in this city the month of may, but it is liveable by dressing hot. The thermometer averaged maximum of 68°F. On average, the recorded minimum temperature is 54°F. Thus, the mean temperature average on this month of may in Seattle is 61°F. Note that these seasonal averages are in contrast with those observed in Seattle in may with a maximum record of 88°F in 2018 and a minimum record of 41°F in 2010. You can plan to have about 19 days with temperatures above 65°F, or 61% of time.
In may in Seattle, the days on average last 15:10. Sunrise is at 04:31 and sunset is at 19:41.
With a good weather, this month is a good time to go there.
Seasonal average climate and temperature of Seattle in may
Check below seasonal norms These datas are compiled from the weather statements earlier years of the month of may.
| May | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 68°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 88°F (2018) | ||||
| Lowest record temperature | 41°F (2010) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 19 day(s) (61%) | ||||
| Sea temperature | |||||
| Average sea temperature | 47°F | ||||
| Lowest sea temperature | 45°F | ||||
| Highest sea temperature | 49°F | ||||
| Wind | |||||
| Wind speed | 10km/h | ||||
| Wind temperature | 54°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.5in | ||||
| Number of days with rainfall | 2 day(s) (6%) | ||||
| Record daily rainfall | 0.8in (2020) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 81% | ||||
| Visibility | 8.89km | ||||
| Cloud cover | 40% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 14 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 04:31 | ||||
| Time of sunset | 19:41 | ||||
| Length of day | 15:10 | ||||
| Our opinion about the weather in may | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last may?
Here is the day by day recorded weather in Seattle in may 2024:
40°F to 58°F
40°F to 63°F
43°F to 63°F
45°F to 52°F
45°F to 49°F
47°F to 52°F
41°F to 58°F
40°F to 61°F
45°F to 70°F
52°F to 79°F
54°F to 79°F
52°F to 76°F
50°F to 54°F
49°F to 67°F
49°F to 72°F
52°F to 58°F
45°F to 61°F
47°F to 54°F
43°F to 59°F
43°F to 67°F
49°F to 50°F
45°F to 54°F
47°F to 63°F
45°F to 68°F
45°F to 58°F
47°F to 54°F
47°F to 68°F
50°F to 54°F
45°F to 56°F
47°F to 61°F
45°F to 67°F
Map: other cities in the United States (USA) in may
Cities near Seattle:
| Mount Rainier National Park (Washington) in may | very bad weather |
| Westport (Washington) in may | good weather |
| La Push (Washington) in may | tolerable weather |
| Ocean Park (Washington) in may | tolerable weather |
| Long Beach (Washington) in may | tolerable weather |
| Portland in may | good weather |
| Salem (Oregon) in may | good weather |
| Lincoln City (Oregon) in may | tolerable weather |
| Newport (Oregon) in may | tolerable weather |
| Coos Bay in may | tolerable weather |
| Crater Lake (Oregon) in may | very bad weather |
| Glacier National Park (Montana) in may | very bad weather |
Click over cities on the map for information about the weather in may.
Seattle
perfect weather
good
tolerable
bad
very bad
Weather data for Seattle in may:
Weather data for Seattle for may are derived from an average of the weather forecast since 2009 in Seattle. There is a margin of error and these forecasts are to be considered as general information only. The weather in Seattle 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 Seattle.