SONOMA, California, USA:
Climate, Global Warming, and Daylight Charts and Data

Scroll down to see the all the data on which the charts are based. Also see Explanation, background, and discussion.
Global Warming/Climate Change for SONOMA, California, USA

One predicted temperature increase is
between 3°C and 5°C (5.4°F and 9.0°F).
See About the Global Warming Data for more information about this prediction.

climate chart for SONOMA, CA
Daylight chart for {A['location']}, California, USA

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Explanation, Data Sources, Background and Discussion.

Data for SONOMA, California, USA

NOAA Station Id: CA048351 Latitude: 38°17'55N Longitude: 122°27'46W Elevation: 97'

Sunrise and Sunset Data

The yellow section shows when the sun is up, and how this changes over the year. Use the time-of-day scales, on the left and right, and the month scale on the top and bottom, to tell approximately when sunrise and sunset occur. See Sunrise, Sunset, and Daylight for more info.

The sunrise and sunset times shown in the chart are approximate. They are accurate for the latitude, and show the precise amount of daylight, but the rise and set times may be offset (up or down in the chart) since I don't have an automated way of matching time zones to longitudes. The charts are made assuming that the location is in the middle of an evenly spaced time zone.

For precise times see US Naval Observatory. For SONOMA, CA, use latitude 38°17'55N and longitude 122°27'46W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

StatisticUnitsJanFebMarAprMayJunJulAugSepOctNovDecAverage
Minimum Temperature°F37.339.941.44346.450.351.951.850.346.340.736.544.65
Maximum Temperature°F58.463.66772.178.285.589.889.487.180.166.558.674.69
Heating Degree Days53237033523213238422592344541220.58
Cooling Degree Days000849126186175136361059.75
Monthly Precipitationinches6.526.14.641.550.790.180.050.120.331.684.224.462.55

First and Last Frost Dates


First FrostLast Frost
10%50%90%10%50%90%
OCT 22NOV 21DEC 20JAN 29MAR 10APR 19
Explanation of frost dates.


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