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United States of America

ST. HELENA, CALIFORNIA


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Elevation: 52 meters     Latitude: 38 26N     Longitude: 122 25W

WEATHER
 
CURRENT CONDITIONS

As of 18 March, 2019 @ 9:54 pm EDT
(46 Minutes Ago)

Clear
Temperature
16.7°C
Humidity
77.2 %
Wind
9.3 km/h
Sunrise/Set
10:14 am
10:20 pm
Visibility
16 km
Dew Point
12.2 °C
Pressure
1011.9 millibars
Local Time
10:39 pm EDT
18 March, 2019
 
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MONTHLY - WEATHER AVERAGES SUMMARY   [ Show All Data ]
[ °F ]   °C
Average Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C15.18.610.412.313.917.319.820.720.819.816.8128.6

Average High Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C23.114.517.119.321.926.129.129.930.329.325.819.214.8

Average Low Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C7.12.63.85.35.98.610.411.511.310.37.74.82.4

Average Precipitation
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
mm858.5160172.7121.948.330.55.1---2.57.638.1101.6172.7

Average Number of Days With Precipitation
Years on Record: 76  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days601199531---11479

Highest Recorded Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C28.915.618.520.421.524.427.624.825.628.924.820.916.4

Lowest Recorded Temperature
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
C4.34.35.86.46.99.511.612.411.912.410.87.24.4

Average Length of Day
Years on Record: 30  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Hours12.710.311.312.513.714.815.31514.112.811.610.510

Average Number of Days Above 90F/32C
Years on Record: 76  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days31.9------0.40.824.27.47.66.53.1------

Average Number of Days Below 32F/0C
Years on Record: 76  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
Days60.212.98.87.63.40.80.2------0.447.914.2

Average Snowfall
Years on Record: 76  Chart This
 ANNUAL  JAN  FEB  MAR  APR  MAY  JUN  JUL  AUG  SEP  OCT  NOV  DEC  
cm0.20.2---------------------------------




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WEATHER FORECAST

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As of 8:00 pm 29/11/99 EST

Forecast data from The Norwegian Meteorological Institute; Current conditions data from the National Weather Service
All historical data and normals © Weatherbase


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