The best times to visit Deer Valley for ideal weather are

February 26th to May 6th


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.



Other Deer Valley Travel Info

Weather in Deer Valley


Average temperatures in Deer Valley 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 53rd 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 Deer Valley, 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 107.3°F (41.8°C) with temperatures rarely dropping below 80.3°F (26.8°C) at night.

Deer Valley Temperatures (Fahrenheit)


Deer Valley Temperatures (Celsius)


“Feels-Like” Temperatures

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.

Deer Valley Perceived Temperature (F)


Deer Valley Perceived Temperature (C)



Average Deer Valley 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 66.9 54.2 43
Feb 69.4 56.9 45.3
Mar 78.3 64.6 51.1
Apr 84.5 70.8 56.2
May 92.2 79 64.3
Jun 102.8 89.5 73.5
Jul 104.7 92.9 81.7
Aug 103.9 92.1 80.9
Sep 99 87 75.3
Oct 87.6 74.8 62.3
Nov 76.1 63.3 51.2
Dec 64.3 52.8 42.6

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 19.4 12.3 6.1
Feb 20.8 13.8 7.4
Mar 25.7 18.1 10.6
Apr 29.2 21.6 13.4
May 33.4 26.1 17.9
Jun 39.3 31.9 23.1
Jul 40.4 33.8 27.6
Aug 39.9 33.4 27.2
Sep 37.2 30.6 24.1
Oct 30.9 23.8 16.8
Nov 24.5 17.4 10.7
Dec 17.9 11.6 5.9



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Deer Valley are June, May, and then April. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid February. For example, on the week of February 12th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid February with an average of 1 days of significant precipitation the week of February 19th.

When can you find snow in Deer Valley? 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 Deer Valley.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Deer Valley (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 6% 0 1.1
Feb 6% 0 0.6
Mar 5% 0 0.8
Apr 2% 0 0.2
May 2% 0 0.3
Jun 0% 0 0
Jul 5% 0 0.8
Aug 10% 0 1.3
Sep 6% 0 1.1
Oct 4% 0 0.4
Nov 3% 0 0.5
Dec 9% 0 1.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 6 0 2.8
Feb 6 0 1.5
Mar 5 0 2
Apr 2 0 0.5
May 2 0 0.8
Jun 0 0 0
Jul 5 0 2
Aug 10 0 3.3
Sep 6 0 2.8
Oct 4 0 1
Nov 3 0 1.3
Dec 9 0 3.6


Humidity and Wind

Deer Valley has some months with regular humidity, with some extremely dry months. The least humid month is June (7.8% relative humidity), and the most humid month is December (35.1%).

Wind in Deer Valley is usually calm. The windiest month is May, followed by July and April. May’s average wind speed of around 5.8 knots (6.7 MPH or 10.7 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 mid July where average top sustained speeds reach 15.7 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Deer Valley.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

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 3.6 Barely noticeable 9.4 Gentle breeze
Feb 3.9 Barely noticeable 10.3 Gentle breeze
Mar 4.6 Light breeze 11.9 Gentle breeze
Apr 5.7 Light breeze 13.7 Significant breeze
May 5.8 Light breeze 13.6 Gentle breeze
Jun 5.2 Light breeze 12.6 Significant breeze
Jul 5.8 Light breeze 14.9 Gentle breeze
Aug 5 Light breeze 13.3 Significant breeze
Sep 4.7 Light breeze 11.9 Gentle breeze
Oct 4.1 Light breeze 10.7 Gentle breeze
Nov 3.7 Barely noticeable 9.7 Gentle breeze
Dec 3.4 Barely noticeable 9.6 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 28.2%
Feb 28.8%
Mar 18.4%
Apr 11.7%
May 10.3%
Jun 7.8%
Jul 21.7%
Aug 23.4%
Sep 20.9%
Oct 18.7%
Nov 21.2%
Dec 35.1%


Is it Safe to Travel to Deer Valley?

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 Deer Valley, 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 Deer Valley 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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is slightly extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 39.7 in August means 39.7% of the tourists vs. February.



Overall Deer Valley Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 98.1°F (36.7°C) and 72.4°F (22.4°C) with warmer temperatures in the later months. Rain is rare with roughly 1 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 Deer Valley, so lodging and other accommodations may cost less than usual.

Fall (September through November)

Fall daily highs range from 101.3°F (38.5°C) and 70.2°F (21.2°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 Deer Valley to be enjoyable for warm weather travelers. The average high during this season is between 72.4°F (22.4°C) and 61.1°F (16.2°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.


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