Rosalia climate

Rosalia Weather in May

NOAA 1991-2020 normals for Rosalia, 0.5 km from Rosalia

Average highs run from 63°F on May 1 to 70°F on May 31, and lows from 38°F to 45°F. Normal precipitation for the month is 1.66 in over about 9 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 Rosalia, 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
42°F
Precipitation
1.66 in
Record high
97°FMay 25, 1928
Record low
24°FMay 1, 1954
Chance of a freeze
69%
Daylight
14 h 28 min to 15 h 39 min
Cloud cover
64%
Humidity
67%
Dew point
43°F
Wind
7.8 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 163°F38°F83°F 193124°F 195430%0%
May 264°F38°F85°F 202327°F 200130%0%
May 364°F38°F85°F 202329°F 199629%0%
May 464°F39°F84°F 197028°F 198229%0%
May 565°F39°F92°F 196627°F 196529%0%
May 665°F39°F89°F 199226°F 196529%0%
May 765°F40°F88°F 189028°F 198429%0%
May 865°F40°F88°F 198724°F 200229%0%
May 966°F40°F89°F 190627°F 199929%0%
May 1066°F40°F88°F 192426°F 199929%0%
May 1166°F41°F90°F 194931°F 195929%0%
May 1267°F41°F92°F 199325°F 198529%0%
May 1367°F41°F93°F 193131°F 198329%0%
May 1467°F42°F90°F 193930°F 198629%0%
May 1567°F42°F92°F 193930°F 197429%0%
May 1668°F42°F90°F 200629°F 198629%0%
May 1768°F42°F92°F 200627°F 196630%0%
May 1868°F43°F90°F 200631°F 200330%0%
May 1968°F43°F87°F 202332°F 200330%0%
May 2068°F43°F90°F 202332°F 198730%0%
May 2169°F43°F92°F 192833°F 196030%0%
May 2269°F44°F89°F 195831°F 196030%0%
May 2369°F44°F90°F 200132°F 196430%0%
May 2469°F44°F95°F 193432°F 201030%0%
May 2569°F44°F97°F 192831°F 196430%0%
May 2669°F44°F93°F 193635°F 195430%0%
May 2770°F45°F92°F 193434°F 195530%0%
May 2870°F45°F96°F 193434°F 195030%0%
May 2970°F45°F95°F 189734°F 195130%0%
May 3070°F45°F95°F 198634°F 197830%0%
May 3170°F45°F96°F 198634°F 189530%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Rosalia, 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 (PDT).

May 1
sunrise 5:33 AM, sunset 8:01 PM
May 31
sunrise 4:58 AM, sunset 8:37 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00457180 (Rosalia), public domain. Records: NOAA GHCN-Daily, station USW00024157, 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.