Big Delta climate

Big Delta Weather in May

NOAA 1991-2020 normals for Whitestone Farms, 2.3 km from Big Delta

Average highs run from 58°F on May 1 to 68°F on May 31, and lows from 30°F to 39°F. Normal precipitation for the month is 0.84 in over about 8 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 Big Delta, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
63°F
Average low
34°F
Precipitation
0.84 in
Snowfall
1.1 in
Record high
90°FMay 28, 1947
Record low
-1°FMay 4, 1945
Chance of a freeze
100%
Daylight
16 h 55 min to 20 h 04 min
Cloud cover
68%
Humidity
66%
Dew point
32°F
Wind
6.3 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 158°F30°F72°F 200916°F 194920%5%
May 259°F30°F73°F 20094°F 194520%5%
May 359°F30°F71°F 20140°F 194520%5%
May 459°F31°F65°F 1960-1°F 194521%5%
May 560°F31°F67°F 19603°F 194521%4%
May 660°F31°F68°F 195112°F 194521%4%
May 761°F32°F69°F 198121°F 196422%4%
May 861°F32°F70°F 19812°F 196422%3%
May 961°F32°F73°F 19950°F 196422%3%
May 1061°F32°F79°F 19954°F 196423%3%
May 1162°F33°F84°F 199513°F 196423%3%
May 1262°F33°F83°F 199517°F 198424%3%
May 1362°F33°F80°F 194219°F 201324%2%
May 1463°F33°F78°F 201624°F 196525%2%
May 1563°F34°F73°F 201525°F 197225%2%
May 1663°F34°F71°F 195920°F 197226%2%
May 1763°F34°F81°F 199322°F 196726%2%
May 1864°F34°F75°F 199319°F 201327%2%
May 1964°F35°F76°F 202324°F 201328%1%
May 2064°F35°F76°F 200222°F 201328%1%
May 2165°F35°F78°F 196324°F 198329%1%
May 2265°F36°F82°F 196328°F 198329%1%
May 2365°F36°F82°F 196026°F 194130%1%
May 2466°F36°F86°F 196026°F 194130%1%
May 2566°F37°F84°F 196033°F 195131%1%
May 2666°F37°F81°F 194225°F 195032%1%
May 2766°F37°F79°F 201132°F 196432%1%
May 2867°F38°F90°F 194729°F 196933%0%
May 2967°F38°F90°F 194730°F 199433%0%
May 3067°F39°F85°F 198332°F 195934%0%
May 3168°F39°F84°F 195832°F 194435%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Big Delta, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (AKDT).

May 1
sunrise 5:14 AM, sunset 10:09 PM
May 31
sunrise 3:40 AM, sunset 11:44 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00509793 (Whitestone Farms), public domain. Records: NOAA GHCN-Daily, station USW00026415, 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.