Brewster climate

Brewster Weather in May

NOAA 1991-2020 normals for Chief Joseph Dam, 14.8 km from Brewster

Average highs run from 70°F on May 1 to 77°F on May 31, and lows from 42°F to 50°F. Normal precipitation for the month is 0.92 in over about 6 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 Brewster, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
46°F
Precipitation
0.92 in
Record high
96°FMay 18, 2006
Record low
22°FMay 1, 2008
Chance of a freeze
35%
Days of 90°F or more
1.6
Daylight
14 h 33 min to 15 h 46 min
Cloud cover
64%
Humidity
64%
Dew point
38°F
Wind
5.1 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 170°F42°F85°F 199822°F 200816%0%
May 270°F42°F86°F 202327°F 200816%0%
May 370°F42°F86°F 201627°F 200216%0%
May 471°F42°F90°F 202324°F 201016%0%
May 571°F43°F87°F 199825°F 199916%0%
May 671°F43°F86°F 199823°F 200216%0%
May 772°F43°F90°F 201328°F 201016%0%
May 872°F44°F89°F 201327°F 199916%0%
May 972°F44°F90°F 201327°F 199917%0%
May 1072°F44°F91°F 201326°F 199917%0%
May 1173°F45°F89°F 201931°F 199917%0%
May 1273°F45°F89°F 202430°F 200417%0%
May 1373°F45°F88°F 201828°F 200917%0%
May 1474°F46°F89°F 202334°F 200218%0%
May 1574°F46°F89°F 201233°F 200918%0%
May 1674°F46°F94°F 200631°F 199818%0%
May 1774°F46°F95°F 200633°F 200118%0%
May 1875°F47°F96°F 200629°F 200319%0%
May 1975°F47°F92°F 202330°F 200319%0%
May 2075°F47°F94°F 202332°F 200719%0%
May 2175°F48°F87°F 201529°F 201019%0%
May 2276°F48°F91°F 200132°F 201019%0%
May 2376°F48°F96°F 200132°F 200519%0%
May 2476°F48°F91°F 200131°F 201019%0%
May 2576°F48°F90°F 200135°F 201019%0%
May 2676°F49°F90°F 200136°F 202420%0%
May 2776°F49°F86°F 200536°F 201120%0%
May 2877°F49°F94°F 200539°F 199820%0%
May 2977°F49°F92°F 200933°F 200120%0%
May 3077°F49°F92°F 200933°F 202420%0%
May 3177°F50°F89°F 200740°F 200420%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brewster, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

May 1
sunrise 5:40 AM, sunset 8:13 PM
May 31
sunrise 5:04 AM, sunset 8:50 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451400 (Chief Joseph Dam), public domain. Records: NOAA GHCN-Daily, station USW00094197, 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.