30YearWeather
Scottsdale, December 31
Scottsdale street view during December
Historical Weather Analysis

Scottsdale Weather on December 31 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

partly-cloudy-day

17.2°C

High

4.6°C

Low

7%

Rain

🌤️ Feels like 17.2°C

clear-day
YES, IT'S PARADISE
0

December 31 is statistically one of the best days of the year in Scottsdale. With minimal rain risk (7%) and pleasant highs of 17°C, it's ideal for outdoor adventures.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Scottsdale Weather Forecast for December 31

"Mild & Comfortable. Expect average highs of 17.2°C. 7% chance of rain."

What to Wear in Scottsdale in December

Based on historical data for December 31, Scottsdale typically experiences temperatures between 4.6°C and 17.2°C. We recommend packing light jacket, long pants, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (7% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Scottsdale

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Layers (Onion System)

Average High

extreme-hot

17.2°C

Daytime Peak

Average Low

extreme-cold

4.6°C

Nighttime Low

Feels Like

partly-cloudy-day

17.2°C

🌤️ Feels accurate

Rain Chance

rain

7%

Avg 0.2mm if it rains

Cloud Cover

cloudy

41%

Overcast

Pressure

pressure

1017.5 hPa

Low volatility

Scottsdale Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

89%Highly Predictable

Based on 10 years of data

Temperature
±3.1°CModerate
Precipitation
4-30%Moderate

🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0Low
036811+

Protection Needed

SPF 15 for extended outdoor time

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

97Excellent
TemperatureMild
HumidityHumid
WindLight Breeze

Dew Point

7.8°C

Dry air

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

N/A

0/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

N/A

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Scottsdale

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:32

☀️ Noon

12:31

🌇 Sunset

17:30

⏱️ Daylight

9h 57m

Golden Hour
Morning07:32 - 08:10
16:52 - 17:30Evening

Wind Speed

wind

11.2 km/h

Light breeze

Sunshine

clear-day

8.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

54%

Comfortable

Travel Intelligence

Exclusive flight analytics & health data for Scottsdale

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

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Travel Health & Safety in Scottsdale

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

94/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1017.5 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
62AQI
Moderate
PM2.5 Concentration31.2 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Dec (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Scottsdale on December 31 averages 17.2°C with a 7% precipitation probability. Wedding/Outdoor Event Score: 91/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Scottsdale Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2017
21.5°C
Coldest
2015
-1.5°C
Rainiest
2018
11.3mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (December 31) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Scottsdale Worth Visiting on December 31?

Planning a trip to Scottsdale on December 31? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 17.2°C with a 7% historical precipitation risk.

📊 Historical Extremes: The hottest December 31 recorded in the last 30 years saw temperatures hit 21.5°C in 2017, while the coldest dropped to -1.5°C in 2015.

Scottsdale Weather FAQ