30YearWeather
Whistler, May 25
Whistler street view during May
Historical Weather Analysis

Whistler Weather on May 25 — Best Time to Visit?

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

cloudy

14.7°C

High

5.7°C

Low

35%

Rain

🌤️ Feels like 14.7°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

May 25 is generally a great time to visit Whistler. While there is a slight chance of rain (35%), showers are usually brief. Expect comfortable 15°C weather. As it's peak season for Whistler, we recommend booking your stay well in advance to secure the best rates.

Currency

CAD

$ Canadian dollar

Language

English

+1 more

Driving

Right side

Safety

Very High Safety

GPI: 1.389

Whistler Weather Forecast for May 25

"Mild & Comfortable. Expect average highs of 14.7°C. 35% chance of snow."

What to Wear in Whistler in May

Based on historical data for May 25, Whistler typically experiences temperatures between 5.7°C and 14.7°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 35% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Whistler

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

14.7°C

Daytime Peak

Average Low

extreme-cold

5.7°C

Nighttime Low

Feels Like

partly-cloudy-day

14.7°C

🌤️ Feels accurate

Snow Chance

snow

35%

Avg 2.8mm if it snows

Snowfall

snow

0.2 cm

~35% chance

Pressure

pressure

1015.3 hPa

Low volatility

Whistler Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

88%Highly Predictable

Based on 10 years of data

Temperature
±3.5°CModerate
Precipitation
18-53%Predictable

🎯 This date historically delivers consistent weather 88% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.8Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

04:00 - 10:00

Afternoon

16:00 - 20:00

Time to Sunburn

Type I-II

🔴 21 min to burn

Type III-IV

🟡 32 min to burn

Type V-VI

🟢 53 min to burn

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

Outdoor Comfort

How pleasant is it outside?

70Good
TemperatureCool
HumidityMuggy
WindLight Breeze

Dew Point

10.7°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Canada

Flight Traffic

High

93/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~407

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Whistler

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

04:14

☀️ Noon

12:10

🌇 Sunset

20:05

⏱️ Daylight

15h 51m

Golden Hour
Morning04:14 - 05:04
19:16 - 20:05Evening

Wind Speed

wind

6.5 km/h

Light breeze

Sunshine

clear-day

10.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

77%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Whistler

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 Whistler

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

72/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1015.3 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
35AQI
Good
PM2.5 Concentration2.8 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):2
In May (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Whistler on May 25 averages 14.7°C with a 35% precipitation probability. Wedding/Outdoor Event Score: 83/100."

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

Whistler Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2023
23.2°C
Coldest
2025
4°C
Rainiest
2020
9.9mm

Compare Other Cities

Same date (May 25) in other destinations

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📍 Is Whistler Worth Visiting on May 25?

Planning a trip to Whistler on May 25? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.7°C with a 35% historical precipitation risk.

✈️ Travel Logistics: Approximately 407 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Canada, including COVID-19.

📊 Historical Extremes: The hottest May 25 recorded in the last 30 years saw temperatures hit 23.2°C in 2023, while the coldest dropped to 4°C in 2025.

Whistler Weather FAQ