Climate Recreation Community Catastrophe

Eden Index

Climate 7.6 Recreation 4.2 Community 2.4 Safeguard


Tempe, Arizona is located in the Sonoran Desert and experiences a hot desert climate. Summers are extremely hot, with average temperatures ranging from 90°F to 105°F (32°C to 41°C) and occasionally exceeding 110°F (43°C). Winters are mild, with average temperatures ranging from 65°F to 75°F (18°C to 24°C) during the day and dropping to around 40°F (4°C) at night. The city enjoys more than 300 sunny days per year.

Regarding hydrology constituents, Tempe is situated alongside the Salt River, which provides a vital water source in an otherwise arid region. Tempe Town Lake, a man-made reservoir on the Salt River, offers opportunities for boating, fishing, and other water sports. The lake also serves as a recreational hub, hosting various events and festivals.

Outdoor recreation enthusiasts can explore the numerous parks and trails in Tempe. Papago Park features unique geological formations and hiking trails, while South Mountain Park offers expansive desert vistas and over 50 miles of hiking, biking, and horseback riding trails. Tempe is also home to several golf courses, including the renowned Karsten Golf Course.

In summary, Tempe, Arizona has a hot desert climate, relies on the Salt River for water, and offers a range of outdoor recreation opportunities such as boating, fishing, hiking, and golfing.

What is the Eden Index?

The Snoflo Eden Index serves as a comprehensive rating system for regions, evaluating their desirability through a holistic assessment of climate health, outdoor recreation opportunities, and natural disaster risk, acknowledging the profound impact of these factors on livability and well-being.

Climate Health Indicator (CHI): 7.6

Tempe receives approximately 215mm of rain per year, with humidity levels near 46% and air temperatures averaging around 22°C. Tempe has a plant hardyness factor of 9, meaning plants and agriculture in this region tend to thrive here all year round. By considering the ideal temperature range, reliable water supplies, clean air, and stable seasonal rain or snowpacks, the Climate Health Indicator (CHI) underscores the significance of a healthy climate as the foundation for quality living.

A healthy climate is paramount for ensuring a high quality of life and livability in a region, fostering both physical well-being and environmental harmony. This can be characterized by ideal temperatures, reliable access to water supplies, clean air, and consistent seasonal rain or snowpacks.

Weather Forecast

Streamflow Conditions


Area Rivers


Snowpack Depths


Reservoir Storage Capacity


Groundwater Levels

Recreational Opportunity Index (ROI): 4.2

The Recreational Opportunity Index (ROI) recognizes the value of outdoor recreational options, such as parks, hiking trails, camping sites, and fishing spots, while acknowledging that climate plays a pivotal role in ensuring the comfort and consistency of these experiences. Access to outdoor recreational opportunities, encompassing activities such as parks, hiking, camping, and fishing, is crucial for overall well-being, and the climate plays a pivotal role in enabling and enhancing these experiences, ensuring that individuals can engage in nature-based activities comfortably and consistently.

Catastrophe Safeguard Index (CSI):

The Catastrophe Safeguard Index (CSI) recognizes that natural disaster risk, encompassing floods, fires, hurricanes, and tornadoes, can drastically affect safety and the overall appeal of an area. The level of natural disaster risk in a region significantly affects safety and the overall livability, with climate change amplifying these risks by potentially increasing the frequency and intensity of events like floods, fires, hurricanes, and tornadoes, thereby posing substantial challenges to community resilience and well-being.

Community Resilience Indicator (CRI): 2.4

The Community Resilience Indicator (CRI) recognizes that education, healthcare, and socioeconomics are crucial to the well-being of a region. The CRI acknowledges the profound impact of these elements on residents' overall quality of life. By evaluating educational resources, healthcare accessibility, and economic inclusivity, the index captures the essential aspects that contribute to a thriving community, fostering resident satisfaction, equity, and social cohesion.

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