Bothell West Weather in May
Average highs run from 62°F on May 1 to 68°F on May 31, and lows from 45°F to 51°F. Normal precipitation for the month is 2.16 in over about 12 wet days.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 65°F
- Average low
- 48°F
- Precipitation
- 2.16 in
- Record high
- 88°FMay 17, 2008
- Record low
- 34°FMay 7, 2002
- Chance of a freeze
- 0%
- Daylight
- 14 h 31 min to 15 h 44 min
- Cloud cover
- 71%
- Humidity
- 81%
- Dew point
- 45°F
- Wind
- 3.1 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| May 1 | 62°F | 45°F | 84°F 2014 | 35°F 1948 | 44% | 0% |
| May 2 | 62°F | 46°F | 82°F 2016 | 35°F 1948 | 44% | 0% |
| May 3 | 63°F | 46°F | 75°F 2026 | 36°F 1949 | 43% | 0% |
| May 4 | 63°F | 46°F | 76°F 2026 | 36°F 2010 | 43% | 0% |
| May 5 | 63°F | 46°F | 75°F 2013 | 36°F 2002 | 42% | 0% |
| May 6 | 63°F | 46°F | 80°F 2013 | 35°F 2002 | 42% | 0% |
| May 7 | 64°F | 47°F | 75°F 2016 | 34°F 2002 | 41% | 0% |
| May 8 | 64°F | 47°F | 74°F 2020 | 38°F 1950 | 41% | 0% |
| May 9 | 64°F | 47°F | 79°F 2020 | 37°F 1999 | 41% | 0% |
| May 10 | 64°F | 47°F | 79°F 2019 | 36°F 1999 | 40% | 0% |
| May 11 | 65°F | 47°F | 81°F 2024 | 41°F 2012 | 40% | 0% |
| May 12 | 65°F | 48°F | 80°F 2026 | 40°F 1948 | 40% | 0% |
| May 13 | 65°F | 48°F | 80°F 2023 | 39°F 2022 | 40% | 0% |
| May 14 | 65°F | 48°F | 84°F 2023 | 40°F 1950 | 40% | 0% |
| May 15 | 65°F | 48°F | 86°F 2023 | 40°F 1950 | 40% | 0% |
| May 16 | 66°F | 48°F | 79°F 1952 | 39°F 2003 | 40% | 0% |
| May 17 | 66°F | 49°F | 88°F 2008 | 39°F 1950 | 40% | 0% |
| May 18 | 66°F | 49°F | 75°F 1949 | 37°F 1950 | 40% | 0% |
| May 19 | 66°F | 49°F | 72°F 2008 | 42°F 1950 | 40% | 0% |
| May 20 | 66°F | 49°F | 76°F 1948 | 43°F 1950 | 40% | 0% |
| May 21 | 66°F | 49°F | 74°F 2015 | 43°F 2009 | 40% | 0% |
| May 22 | 67°F | 50°F | 79°F 1951 | 40°F 1950 | 40% | 0% |
| May 23 | 67°F | 50°F | 78°F 2001 | 39°F 1950 | 40% | 0% |
| May 24 | 67°F | 50°F | 74°F 1948 | 41°F 1950 | 40% | 0% |
| May 25 | 67°F | 50°F | 77°F 1950 | 43°F 1949 | 39% | 0% |
| May 26 | 67°F | 50°F | 82°F 2005 | 42°F 1999 | 39% | 0% |
| May 27 | 67°F | 50°F | 83°F 2005 | 41°F 1950 | 39% | 0% |
| May 28 | 67°F | 51°F | 83°F 2025 | 40°F 1950 | 39% | 0% |
| May 29 | 68°F | 51°F | 73°F 2009 | 38°F 1951 | 39% | 0% |
| May 30 | 68°F | 51°F | 78°F 2007 | 39°F 1951 | 39% | 0% |
| May 31 | 68°F | 51°F | 76°F 2001 | 43°F 1950 | 39% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 5:51 AM, sunset 8:22 PM
- May 31
- sunrise 5:15 AM, sunset 8:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094290 (Seattle Sand Pt Wsfo), public domain. Records: NOAA GHCN-Daily, station USW00024222, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.