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Fountain Hills (AZ) Temperatures: Monthly Averages and Year-Round Insights

On this page, we’ll explore Fountain Hills’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in the United States of America.

Monthly Temperature Averages

With significant temperature fluctuations, Fountain Hills enjoys distinct seasons year-round. Average maximum daytime temperatures reach a very hot 40°C in July. In December, the coolest month of the year, temperatures drop to a moderate 18°C. At night, minimum temperatures can drop even lower, averaging around 6°C.

The chart below illustrates the average maximum day and minimum night temperatures in Fountain Hills by month:

The lowest temperatures typically occur between 4 AM and 6 AM, while the peak temperatures are generally observed around 3 PM, when the sun's heating is most intense. July, the city’s warmest month, enjoys 378 hours of sunshine.

The chart below shows the average temperature throughout the year:

December, the city’s coldest month, sees about 36 mm of rainfall spread over roughly 5 days. It records 241 hours of sunshine of sunshine.

Annual Temperatures in the United States of America Compared

The map below shows the annual temperature across the United States of America. You can also select the different months in case you are interested in a specific month.

Annual
Map not visible? Whoops sorry! Please refresh the page.
Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 32°C. Warm: 25°C to 32°C. Pleasant: 18°C to 25°C Moderate: 10°C to 18°C. Cold: 5°C to 10°C. Very cold: lower than 5°C

Fountain Hills Temperatures Compared World Wide

Fountain Hills’s average annual maximum temperature is 30°C. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, the average annual temperature is around 21°C, resulting in warm summers and mild winters throughout the year.

In contrast, in Reykjavík, Iceland, the average annual temperature is significantly lower at 9°C, with mild summers and cold winters.

Meanwhile, New York City, USA, experiences a more pronounced seasonal variation with an average annual temperature of 17°C.

In Tokyo, Japan, the average annual temperature is 21°C, expect warmer summers and milder winters.

How are these Temperatures Measured?

Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.

This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.

Temperatures in the Mountains

Although not all regions have mountains, elevated areas exhibit distinct temperature variations.

  • Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
  • Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.

For more detailed information about Fountain Hills’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Fountain Hills climate page.


Current temperature in Fountain Hills (AZ)

Sat   Jan 11
17°C | 2°C
SW 2 m/s
clear and no rain

clear and no rain

Sun   Jan 12
17°C | 5°C
SW 3 m/s
clear and no rain

clear and no rain

Mon   Jan 13
17°C | 3°C
NW 3 m/s
clear and no rain

clear and no rain

Interested in more climate information?

This site provides you with all the information you need about the climate in Fountain Hills.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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