Sultan climate

Sultan Weather in May

NOAA 1991-2020 normals for Startup 1 E, 7.4 km from Sultan

Average highs run from 64°F on May 1 to 69°F on May 31, and lows from 41°F to 47°F. Normal precipitation for the month is 4.95 in over about 15 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Sultan, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
44°F
Precipitation
4.95 in
Record high
88°FMay 17, 2008
Record low
34°FMay 7, 2002
Chance of a freeze
22%
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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 164°F41°F84°F 201435°F 194854%0%
May 264°F42°F82°F 201635°F 194854%0%
May 364°F42°F75°F 202636°F 194953%0%
May 465°F42°F76°F 202636°F 201053%0%
May 565°F42°F75°F 201336°F 200253%0%
May 665°F42°F80°F 201335°F 200252%0%
May 765°F43°F75°F 201634°F 200252%0%
May 865°F43°F74°F 202038°F 195051%0%
May 966°F43°F79°F 202037°F 199951%0%
May 1066°F43°F79°F 201936°F 199951%0%
May 1166°F43°F81°F 202441°F 201251%0%
May 1266°F44°F80°F 202640°F 194850%0%
May 1366°F44°F80°F 202339°F 202250%0%
May 1467°F44°F84°F 202340°F 195050%0%
May 1567°F44°F86°F 202340°F 195050%0%
May 1667°F45°F79°F 195239°F 200350%0%
May 1767°F45°F88°F 200839°F 195050%0%
May 1867°F45°F75°F 194937°F 195050%0%
May 1967°F45°F72°F 200842°F 195050%0%
May 2067°F45°F76°F 194843°F 195050%0%
May 2168°F46°F74°F 201543°F 200951%0%
May 2268°F46°F79°F 195140°F 195051%0%
May 2368°F46°F78°F 200139°F 195051%0%
May 2468°F46°F74°F 194841°F 195051%0%
May 2568°F46°F77°F 195043°F 194951%0%
May 2668°F46°F82°F 200542°F 199951%0%
May 2768°F47°F83°F 200541°F 195051%0%
May 2868°F47°F83°F 202540°F 195051%0%
May 2968°F47°F73°F 200938°F 195151%0%
May 3068°F47°F78°F 200739°F 195151%0%
May 3169°F47°F76°F 200143°F 195051%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sultan, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:49 AM, sunset 8:20 PM
May 31
sunrise 5:13 AM, sunset 8:57 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00458034 (Startup 1 E), 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.