Location

Riordan Mansion Locator Map

Elevation 6,900 feet   Fees

Contact the Park:
(928) 779-4395
Riordan Mansion SHP
409 West Riordan Rd
Flagstaff, AZ 86001

Facilities

Visitor Center Restrooms Gift Shop Museum Exhibits Group: Day Use Areas Picnic Areas/Shelters Wildlife Viewing

Nearest Services: 1 mile

Click icons for more info

511 Speed Code

511 logo

Park's Speed Code: 4235#

Fees

Park Entrance Fees:
Adult (14+): $10.00
Youth (7–13): $5.00
Child (0–6): FREE

Fee Schedule

Friends Group

Riordan Action Network

Weather

Note: Weather data is provided as a general guide only. Arizona State Parks assumes no responsibility for any loss resulting from use of this information.

Many people are surprised to discover Arizona is not all cactus and tumbleweeds. At 7,000 feet (2,135 m) elevation, Flagstaff is located in the largest contiguous ponderosa pine forest in the world and Flagstaff’s combination of high altitude, and low humidity provides mild weather conditions throughout the year.

No matter what time of year you visit, layering and comfortable clothes are a must in the Flagstaff area. Often the daily change in temperature will be 30-40 degrees from noon to night. Bring comfortable shoes, long pants, short- and long-sleeved shirts, a sweater or fleece, a hat and sunglasses.

Year around, plan to drink plenty of water, bring sunscreen and lip balm, and rest as often as necessary, because at high altitudes the sun is more intense and you may experience fatigue.

Flagstaff's precipitation comes mostly two times a year, snow in winter and summer rains in July and August. Although with the on-going drought it seems drier than ever. Snow melts quickly and summer rains are brief, Flagstaffers often joke that if you do not like the weather—just wait a minute!

Generally, it's sunny in Flagstaff, an average of 288 days a year, and rain or shine, Riordan Mansion State Historic Park should be at the top of your "to do" list! Below is a listing of average daily temperatures and monthly precipitation:

Riordan Mansion State Historic Park
Average Daily Temperature (Degrees Fahrenheit)
& Monthly Precipitation (Inches)
Month Temperature Precipitation
High Low
January 43° F 16° F 2.18"
February 46° 19° 2.56"
March 50° 23° 2.62"
April 58° 27° 1.29"
May 68° 34° 0.80"
June 79° 41° 0.43"
July 82° 50° 2.40"
August 80° 49° 2.89"
September 74° 42° 2.12"
October 63° 31° 1.93"
November 51° 22° 1.86"
December 44° 17° 1.83"

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