SAINT JOHNS, Arizona, 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 SAINT JOHNS, Arizona, 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 SAINT JOHNS, AZ
Daylight chart for {A['location']}, Arizona, USA

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Explanation, Data Sources, Background and Discussion.

Data for SAINT JOHNS, Arizona, USA

NOAA Station Id: AZ027435 Latitude: 34°31'02N Longitude: 109°24'10W Elevation: 5790'

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 SAINT JOHNS, AZ, use latitude 34°31'02N and longitude 109°24'10W in the form. You'll need to know the time zone of the location.

Climate (Average Weather) Data

StatisticUnitsJanFebMarAprMayJunJulAugSepOctNovDecAverage
Minimum Temperature°F19.523.12933.942.851.258.156.449.537.626.219.137.20
Maximum Temperature°F48.75561.369.678.287.989.586.981.771.358.448.969.78
Heating Degree Days958727615400180250160334681961411.83
Cooling Degree Days0002401612722087860063.92
Monthly Precipitationinches0.750.560.760.450.460.491.722.331.421.170.660.70.96

First and Last Frost Dates


First FrostLast Frost
10%50%90%10%50%90%
SEP 30OCT 15OCT 29APR 25MAY 08MAY 20
Explanation of frost dates.


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