The best times to visit Fountain Hills for ideal weather are
February 12th to April 29th
October 8th to November 25th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Fountain Hills Travel Guide
Other Fountain Hills Travel Info
Weather in Fountain Hills
Average temperatures in Fountain Hills vary drastically. Considering humidity, temperatures feel very nice much of the year, but hot in the summer and cold in the winter with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 52nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Fountain Hills, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 107.4°F (41.9°C) with temperatures rarely dropping below 82.2°F (27.9°C) at night.
Fountain Hills Temperatures (Fahrenheit)
Fountain Hills Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Fountain Hills Perceived Temperature (F)
Fountain Hills Perceived Temperature (C)
Average Fountain Hills Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Fountain Hills are June, May, and then October. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late March. For example, on the week of March 26th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid December with an average of 1 days of significant precipitation the week of December 17th.
When can you find snow in Fountain Hills? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Fountain Hills.
Snow on the Ground
The graph below shows the average snow on the ground in Fountain Hills (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Fountain Hills has some months with regular humidity, with some extremely dry months. The least humid month is June (9% relative humidity), and the most humid month is December (38.4%).
Wind in Fountain Hills is usually extremely calm. The windiest month is July, followed by May and April. July’s average wind speed of around 4 knots (4.6 MPH or 7.4 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early July where average top sustained speeds reach 13.3 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Fountain Hills.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||1.9||Barely noticeable||7.1||Gentle breeze|
|Feb||2.2||Barely noticeable||7.8||Gentle breeze|
|Mar||2.9||Barely noticeable||9.1||Gentle breeze|
|Apr||3.7||Barely noticeable||10.5||Gentle breeze|
|May||3.9||Barely noticeable||10.8||Gentle breeze|
|Jun||3.4||Barely noticeable||9.8||Gentle breeze|
|Jul||4||Light breeze||12.1||Gentle breeze|
|Aug||3.4||Barely noticeable||10.8||Gentle breeze|
|Sep||3.1||Barely noticeable||9.5||Gentle breeze|
|Oct||2.5||Barely noticeable||8.1||Gentle breeze|
|Nov||1.9||Barely noticeable||7.1||Gentle breeze|
|Dec||1.7||Barely noticeable||6.5||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Fountain Hills?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 23, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Fountain Hills, AZ, US is February, followed by January and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Fountain Hills in August. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Fountain Hills Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 98.7°F (37.1°C) and 73.5°F (23.1°C) with warmer temperatures in the later months. Rain is rare with 1 to 2 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have hot weather with high temperatures that are extremely hot. These months see moderate precipitation with 0 to 3 days of precipitation per month. June – August is the slowest season for tourism in Fountain Hills, so lodging and other accommodations may cost less than usual.
Fall (September through November)
Fall daily highs range from 101.7°F (38.7°C) and 70.9°F (21.6°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 2 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is too cold this time of year in Fountain Hills to be enjoyable for warm weather travelers. The average high during this season is between 73.5°F (23.1°C) and 62.1°F (16.7°C). On average, it rains or snows a smalll amount: 2 to 3 times per month. These times of year are the busiest with tourists.