Napavine climate

Napavine Weather in August

NOAA 1991-2020 normals for Centralia, 16.5 km from Napavine

Average highs run from 79°F on August 1 to 76°F on August 31, and lows from 54°F to 51°F. Normal precipitation for the month is 0.84 in over about 5 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 Napavine, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
78°F
Average low
53°F
Precipitation
0.84 in
Record high
103°FAug 9, 1981
Record low
35°FAug 5, 1909
Chance of a freeze
0%
Days of 90°F or more
2.8
Daylight
14 h 50 min to 13 h 21 min
Cloud cover
49%
Humidity
81%
Dew point
55°F
Wind
3.4 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
Aug 179°F54°F94°F 191340°F 190212%0%
Aug 279°F54°F93°F 193938°F 190612%0%
Aug 379°F54°F95°F 193940°F 190612%0%
Aug 479°F54°F99°F 199340°F 190212%0%
Aug 579°F54°F95°F 193235°F 190912%0%
Aug 679°F54°F97°F 194538°F 190913%0%
Aug 779°F54°F98°F 190239°F 190913%0%
Aug 879°F54°F99°F 197839°F 190913%0%
Aug 979°F54°F103°F 198141°F 190613%0%
Aug 1079°F54°F103°F 198141°F 191713%0%
Aug 1179°F54°F99°F 199041°F 190214%0%
Aug 1279°F53°F100°F 197740°F 191014%0%
Aug 1379°F53°F95°F 191440°F 194314%0%
Aug 1479°F53°F95°F 193039°F 190214%0%
Aug 1579°F53°F99°F 194239°F 193715%0%
Aug 1678°F53°F100°F 202037°F 190615%0%
Aug 1778°F53°F102°F 197736°F 190615%0%
Aug 1878°F53°F98°F 194036°F 190616%0%
Aug 1978°F53°F96°F 201635°F 191616%0%
Aug 2078°F53°F96°F 201637°F 190616%0%
Aug 2178°F52°F97°F 191336°F 190917%0%
Aug 2278°F52°F95°F 191336°F 190917%0%
Aug 2378°F52°F94°F 192637°F 191017%0%
Aug 2477°F52°F99°F 192637°F 190218%0%
Aug 2577°F52°F96°F 193435°F 190218%0%
Aug 2677°F52°F95°F 196736°F 190819%0%
Aug 2777°F52°F96°F 193537°F 190519%0%
Aug 2877°F51°F101°F 193637°F 190519%0%
Aug 2977°F51°F98°F 199637°F 190220%0%
Aug 3077°F51°F94°F 194435°F 190720%0%
Aug 3176°F51°F96°F 198735°F 190521%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Napavine, 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).

August 1
sunrise 5:53 AM, sunset 8:43 PM
August 31
sunrise 6:31 AM, sunset 7:52 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451276 (Centralia), public domain. Records: NOAA GHCN-Daily, station USC00451276, 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.