Climatological Report (Monthly)
Issued by NWS
Issued by NWS
923
CXUS56 KSEW 011031
CLMOLM
CLIMATE REPORT
NATIONAL WEATHER SERVICE SEATTLE
331 AM PDT TUE JUL 01 2025
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...THE OLYMPIA WA AIRPORT CLIMATE SUMMARY FOR THE MONTH OF JUNE 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1941 TO 2025
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 06/09 MM MM 88 06/21
LOWEST 36 06/14 MM MM 39 06/05
06/12
AVG. MAXIMUM 74.2 70.8 3.4 71.7
AVG. MINIMUM 46.1 47.4 -1.3 46.5
MEAN 60.1 59.1 1.0 59.1
DAYS MAX >= 90 3 1.0 2.0 0
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 0.37 1.46 -1.09 2.24
DAILY AVG. 0.01 0.05 -0.04 0.07
DAYS >= .01 5 8.5 -3.5 8
DAYS >= .10 2 4.2 -2.2 4
DAYS >= .50 0 0.8 -0.8 1
DAYS >= 1.00 0 0.0 0.0 1
GREATEST
24 HR. TOTAL 0.22 06/20 TO 06/21
DEGREE DAYS
HEATING TOTAL 165 189 -24 181
SINCE 7/1 5021 5377 -356 MM
COOLING TOTAL 26 12 14 11
SINCE 1/1 26 14 12 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.2
HIGHEST WIND SPEED/DIRECTION 20/260 DATE 06/18
HIGHEST GUST SPEED/DIRECTION 30/260 DATE 06/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.37
NUMBER OF DAYS FAIR 16
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 6
AVERAGE RH (PERCENT) 69
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 18 FOG W/VIS <= 1/4 MILE 3
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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