Columbia County climate

Columbia County Weather in July

NOAA 1991-2020 normals for Vernonia #2, 11.8 km from Columbia County

Average highs run from 74°F on July 1 to 79°F on July 31, and lows from 46°F to 48°F. Normal precipitation for the month is 0.39 in over about 4 wet days.

July day by day

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

Normal daily high and low temperature at Columbia County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
77°F
Average low
47°F
Precipitation
0.39 in
Record high
105°FJul 2, 1942
Record low
32°FJul 25, 1930
Chance of a freeze
0%
Days of 90°F or more
2.8
Daylight
15 h 41 min to 14 h 49 min
Cloud cover
50%
Humidity
80%
Dew point
55°F
Wind
3.8 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
Jul 174°F46°F102°F 194239°F 194420%0%
Jul 274°F46°F105°F 194235°F 193020%0%
Jul 374°F46°F92°F 199140°F 192919%0%
Jul 475°F46°F94°F 197036°F 193319%0%
Jul 575°F46°F95°F 202438°F 193218%0%
Jul 675°F46°F98°F 202433°F 193217%0%
Jul 775°F46°F98°F 194538°F 194417%0%
Jul 876°F47°F99°F 195235°F 193016%0%
Jul 976°F47°F100°F 202438°F 193816%0%
Jul 1076°F47°F100°F 202438°F 193415%0%
Jul 1177°F47°F96°F 200238°F 193415%0%
Jul 1277°F47°F98°F 195139°F 192915%0%
Jul 1377°F47°F103°F 196141°F 198114%0%
Jul 1477°F47°F100°F 194142°F 202014%0%
Jul 1578°F47°F100°F 194139°F 193613%0%
Jul 1678°F47°F99°F 194138°F 192913%0%
Jul 1778°F48°F104°F 197940°F 192613%0%
Jul 1878°F48°F102°F 194438°F 193012%0%
Jul 1978°F48°F96°F 195642°F 192612%0%
Jul 2079°F48°F102°F 195641°F 196412%0%
Jul 2179°F48°F102°F 200636°F 192911%0%
Jul 2279°F48°F99°F 192840°F 194111%0%
Jul 2379°F48°F100°F 192741°F 195311%0%
Jul 2479°F48°F103°F 200441°F 193611%0%
Jul 2579°F48°F97°F 192832°F 193010%0%
Jul 2679°F48°F97°F 193940°F 193010%0%
Jul 2779°F48°F102°F 200938°F 193010%0%
Jul 2879°F48°F105°F 200936°F 193310%0%
Jul 2979°F48°F105°F 200942°F 194910%0%
Jul 3079°F48°F100°F 201542°F 193810%0%
Jul 3179°F48°F101°F 199239°F 193710%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Columbia County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

July 1
sunrise 5:26 AM, sunset 9:07 PM
July 31
sunrise 5:54 AM, sunset 8:43 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00358884 (Vernonia #2), public domain. Records: NOAA GHCN-Daily, station USC00454769, 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.