Climatological Report (Monthly)
Issued by NWS
Issued by NWS
127
CXUS56 KSEW 011035
CLMOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
335 AM PDT WED JUL 01 2026
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...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2026
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 110 06/28/2021
LOW 30 06/03/1976
HIGHEST 93 06/15 MM MM 93 06/09
LOWEST 38 06/01 MM MM 36 06/14
AVG. MAXIMUM 73.9 70.8 3.1 74.2
AVG. MINIMUM 48.3 47.4 0.9 46.1
MEAN 61.1 59.1 2.0 60.1
DAYS MAX >= 90 3 1.0 2.0 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.09 1946
MINIMUM 0.01 2022
TOTALS 2.11 1.46 0.65 0.37
DAILY AVG. 0.07 0.05 0.02 0.01
DAYS >= .01 7 8.5 -1.5 5
DAYS >= .10 4 4.2 -0.2 2
DAYS >= .50 1 0.8 0.2 0
DAYS >= 1.00 1 0.0 1.0 0
GREATEST
24 HR. TOTAL 1.38 06/08 TO 06/09
DEGREE DAYS
HEATING TOTAL 145 189 -44 165
SINCE 7/1 4714 5377 -663 MM
COOLING TOTAL 35 12 23 26
SINCE 1/1 35 14 21 MM
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WIND (MPH)
AVERAGE WIND SPEED 6.1
HIGHEST WIND SPEED/DIRECTION 20/250 DATE 06/09
HIGHEST GUST SPEED/DIRECTION 33/270 DATE 06/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.40
NUMBER OF DAYS FAIR 14
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 8
AVERAGE RH (PERCENT) 67
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 0
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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