30YearWeather
Phoenix, December 14
Phoenix street view during December
Historical Weather Analysis

Phoenix Weather on December 14 — Best Time to Visit?

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

partly-cloudy-day

18.8°C

High

5.6°C

Low

4%

Rain

🌤️ Feels like 18.8°C

clear-day
YES, IT'S PARADISE
Peak Season

December 14 is statistically one of the best days of the year in Phoenix. With minimal rain risk (4%) and pleasant highs of 19°C, it's ideal for outdoor adventures. Phoenix is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Phoenix Weather Forecast for December 14

"Mild & Comfortable. Expect average highs of 18.8°C. 4% chance of rain."

What to Wear in Phoenix in December

Based on historical data for December 14, Phoenix typically experiences temperatures between 5.6°C and 18.8°C. We recommend packing light jacket, long pants, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (4% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Phoenix

View Guide

Smart Suitcase

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

Average High

extreme-hot

18.8°C

Daytime Peak

Average Low

extreme-cold

5.6°C

Nighttime Low

Feels Like

partly-cloudy-day

18.8°C

🌤️ Feels accurate

Rain Chance

rain

4%

Avg 0.1mm if it rains

Cloud Cover

cloudy

35%

Overcast

Pressure

pressure

1017.8 hPa

Medium volatility

Phoenix Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

80%Highly Predictable

Based on 10 years of data

Temperature
±4.0°CVariable
Precipitation
0-6%Predictable

🎯 This date historically delivers consistent weather 80% 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?

100Excellent
TemperatureMild
HumidityHumid
WindLight Breeze

Dew Point

8.2°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

High

84/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~687

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Phoenix

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

07:25

☀️ Noon

12:24

🌇 Sunset

17:23

⏱️ Daylight

9h 57m

Golden Hour
Morning07:25 - 08:03
16:45 - 17:23Evening

Wind Speed

wind

12.1 km/h

Gentle breeze

Sunshine

clear-day

8.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

50%

Comfortable

Travel Intelligence

Exclusive flight analytics & health data for Phoenix

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Phoenix

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

97/100

Tourist Crowds

🟡 Busy

80/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1017.8 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
58AQI
Moderate
PM2.5 Concentration14.9 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, Phoenix on December 14 averages 18.8°C with a 4% precipitation probability. Wedding/Outdoor Event Score: 96/100."

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

Phoenix Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2025
25.8°C
Coldest
2022
0.8°C
Rainiest
2021
0.1mm

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 14) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Phoenix Worth Visiting on December 14?

Planning a trip to Phoenix on December 14? 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 18.8°C with a 4% historical precipitation risk.

✈️ Travel Logistics: Approximately 687 landing slots available daily during this period, indicating peak tourist activity.

📊 Historical Extremes: The hottest December 14 recorded in the last 30 years saw temperatures hit 25.8°C in 2025, while the coldest dropped to 0.8°C in 2022.

Phoenix Weather FAQ