Arivaca Junction climate

Arivaca Junction Weather in August

NOAA 1991-2020 normals for Tumacacori Nm, 17.7 km from Arivaca Junction

Average highs run from 91°F on August 1 to 91°F on August 31, and lows from 67°F to 64°F. Normal precipitation for the month is 3.35 in over about 10 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Arivaca Junction, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
91°F
Average low
66°F
Precipitation
3.35 in
Record high
107°FAug 7, 2025
Record low
52°FAug 21, 2004
Chance of a freeze
0%
Days of 90°F or more
23.2
Daylight
13 h 41 min to 12 h 50 min
Cloud cover
56%
Humidity
52%
Dew point
58°F
Wind
6.0 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
Aug 191°F67°F101°F 202062°F 199938%0%
Aug 291°F67°F104°F 201163°F 200138%0%
Aug 391°F67°F102°F 202562°F 199938%0%
Aug 491°F67°F103°F 202363°F 200138%0%
Aug 591°F67°F106°F 202362°F 201438%0%
Aug 691°F67°F106°F 202561°F 199938%0%
Aug 791°F67°F107°F 202561°F 201337%0%
Aug 891°F67°F100°F 202059°F 201337%0%
Aug 991°F66°F101°F 202057°F 201337%0%
Aug 1091°F66°F102°F 200361°F 201336%0%
Aug 1191°F66°F100°F 202063°F 199936%0%
Aug 1291°F66°F102°F 202062°F 199936%0%
Aug 1391°F66°F104°F 202061°F 199936%0%
Aug 1491°F66°F103°F 202060°F 200535%0%
Aug 1591°F66°F104°F 202058°F 200535%0%
Aug 1691°F66°F103°F 202057°F 201734%0%
Aug 1791°F66°F102°F 202057°F 201734%0%
Aug 1891°F66°F102°F 202056°F 201733%0%
Aug 1991°F66°F104°F 202059°F 200433%0%
Aug 2091°F66°F104°F 201955°F 200433%0%
Aug 2191°F66°F103°F 201952°F 200432%0%
Aug 2291°F65°F103°F 202654°F 200432%0%
Aug 2391°F65°F101°F 201157°F 200231%0%
Aug 2491°F65°F103°F 202055°F 200231%0%
Aug 2591°F65°F101°F 202655°F 200430%0%
Aug 2691°F65°F102°F 202656°F 200430%0%
Aug 2791°F65°F104°F 202057°F 200429%0%
Aug 2891°F65°F104°F 202354°F 201629%0%
Aug 2991°F65°F104°F 202356°F 201628%0%
Aug 3091°F64°F103°F 201157°F 200028%0%
Aug 3191°F64°F103°F 201155°F 200027%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Arivaca Junction, 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 (MST).

August 1
sunrise 5:40 AM, sunset 7:21 PM
August 31
sunrise 5:59 AM, sunset 6:49 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00028865 (Tumacacori Nm), public domain. Records: NOAA GHCN-Daily, station USW00003196, 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.