Melba climate

Melba Weather in May

NOAA 1991-2020 normals for Swan Falls Ph, 19 km from Melba

Average highs run from 71°F on May 1 to 79°F on May 31, and lows from 45°F to 54°F. Normal precipitation for the month is 1.31 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 Melba, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
75°F
Average low
50°F
Precipitation
1.31 in
Record high
100°FMay 29, 2003
Record low
26°FMay 3, 2001
Chance of a freeze
17%
Days of 90°F or more
3.0
Daylight
14 h 09 min to 15 h 10 min
Cloud cover
55%
Humidity
52%
Dew point
38°F
Wind
7.4 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 171°F45°F85°F 199830°F 200826%0%
May 271°F45°F87°F 199829°F 200826%0%
May 371°F46°F86°F 200426°F 200126%0%
May 472°F46°F86°F 201529°F 198226%0%
May 572°F46°F90°F 200431°F 198126%0%
May 672°F47°F90°F 199232°F 198426%0%
May 773°F47°F93°F 199229°F 198126%0%
May 873°F47°F94°F 198727°F 200226%0%
May 973°F48°F94°F 198731°F 199026%0%
May 1074°F48°F90°F 198729°F 199926%0%
May 1174°F48°F88°F 198728°F 199926%0%
May 1274°F49°F91°F 201332°F 198326%0%
May 1375°F49°F95°F 200131°F 198526%0%
May 1475°F49°F95°F 201333°F 199926%0%
May 1575°F50°F90°F 198735°F 199026%0%
May 1675°F50°F95°F 200633°F 198426%0%
May 1776°F50°F96°F 200634°F 201126%0%
May 1876°F51°F94°F 200633°F 201126%0%
May 1976°F51°F97°F 200930°F 200326%0%
May 2077°F51°F92°F 200733°F 198226%0%
May 2177°F51°F90°F 198035°F 197725%0%
May 2277°F52°F94°F 198036°F 198625%0%
May 2377°F52°F96°F 198831°F 201325%0%
May 2478°F52°F95°F 200133°F 201025%0%
May 2578°F52°F99°F 200131°F 197825%0%
May 2678°F53°F94°F 200135°F 198925%0%
May 2778°F53°F94°F 198634°F 199025%0%
May 2879°F53°F94°F 198631°F 200724%0%
May 2979°F53°F100°F 200333°F 197924%0%
May 3079°F53°F98°F 198636°F 197824%0%
May 3179°F54°F100°F 198630°F 197823%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Melba, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

May 1
sunrise 6:39 AM, sunset 8:48 PM
May 31
sunrise 6:09 AM, sunset 9:19 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00108928 (Swan Falls Ph), public domain. Records: NOAA GHCN-Daily, station USC00106305, 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.