Alturas climate

Alturas Weather in May

NOAA 1991-2020 normals for Alturas, 0.3 km from Alturas

Average highs run from 64°F on May 1 to 74°F on May 31, and lows from 34°F to 40°F. Normal precipitation for the month is 1.39 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 Alturas, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
70°F
Average low
37°F
Precipitation
1.39 in
Record high
93°FMay 29, 2020
Record low
14°FMay 6, 2010
Chance of a freeze
98%
Days of 90°F or more
0.6
Daylight
14 h 01 min to 14 h 58 min
Cloud cover
57%
Humidity
60%
Dew point
35°F
Wind
8.5 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°F34°F83°F 201417°F 200829%1%
May 265°F34°F82°F 200421°F 201329%1%
May 365°F35°F83°F 200423°F 202428%1%
May 465°F35°F84°F 201722°F 201028%1%
May 566°F35°F81°F 202123°F 199928%1%
May 666°F35°F79°F 202614°F 201028%1%
May 767°F36°F83°F 200119°F 201028%1%
May 867°F36°F83°F 200119°F 202227%1%
May 967°F36°F85°F 202014°F 202227%1%
May 1068°F36°F86°F 202625°F 201427%1%
May 1168°F36°F89°F 200121°F 200027%0%
May 1269°F37°F88°F 202623°F 200027%0%
May 1369°F37°F83°F 201224°F 200927%0%
May 1469°F37°F84°F 200625°F 199926%0%
May 1570°F37°F87°F 200626°F 199926%0%
May 1670°F38°F90°F 200819°F 199926%0%
May 1770°F38°F92°F 200828°F 200126%0%
May 1871°F38°F90°F 200828°F 201226%0%
May 1971°F38°F88°F 200827°F 202626%0%
May 2071°F38°F86°F 202330°F 200325%0%
May 2172°F39°F86°F 200026°F 202225%0%
May 2272°F39°F90°F 200124°F 201025%0%
May 2372°F39°F91°F 200125°F 202024%0%
May 2472°F39°F90°F 200124°F 201324%0%
May 2573°F39°F86°F 200128°F 201024%0%
May 2673°F40°F84°F 200129°F 202123%0%
May 2773°F40°F90°F 200332°F 202123%0%
May 2873°F40°F91°F 202028°F 200723%0%
May 2974°F40°F93°F 202026°F 200622%0%
May 3074°F40°F92°F 202529°F 200622%0%
May 3174°F40°F93°F 200126°F 202222%0%

Chance of rain

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

May 1
sunrise 5:59 AM, sunset 8:00 PM
May 31
sunrise 5:31 AM, sunset 8:29 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040161 (Alturas), public domain. Records: NOAA GHCN-Daily, station USW00094299, 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.