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Mount Bierstadt Weather Forecast

Weather conditions are extremely variable on Mount Bierstadt, with an elevation of 14,065 feet at its summit. Snow is possible at any time of year, along with high winds, freezing temperatures, and powerful thunderstorms. Below, find the most updated Mount Bierstadt weather forecast and information from top resources including the National Weather Service, Open Summit, Mountain-Forecast, and Open Snow.

Mount Bierstadt Weather Forecasts:

I recommend checking several different sources: If they have very different forecasts, it is a sign that there is significant uncertainty, and you should build more margin for risk into your plans.


Mountain-Forecast uses its models to forecast at three different elevations for Mount Bierstadt weather. 

Open Snow

Initially created for skiers, Open Snow has weather forecasts, snow info, and avalanche safety details.

Mount Bierstadt Weather Conditions: What You Should Know

Nestled in the stunning Colorado Rockies, Mount Bierstadt offers outdoor enthusiasts a thrilling hiking experience. However, the weather on this iconic 14er can be unpredictable and challenging, making it crucial to understand what to expect before embarking on your adventure. In this guide, we’ll provide you with essential information about Mount Bierstadt’s weather conditions, helping you prepare for a safe and enjoyable journey.

Understanding the Seasons:


  • During the spring months (March to May), Mount Bierstadt still wears its winter coat. Snow and ice are prevalent, and the trail can be slippery. Proper gear, including traction devices and warm clothing, is essential.


  • Summer (June to August) is the most popular hiking season. Expect milder temperatures, but be prepared for afternoon thunderstorms. Start early to avoid lightning risks.


  • Fall (September to November) offers crisp, clear days with colorful foliage. However, temperatures drop rapidly, so pack layers to stay warm. Snowfall can occur in late fall.


  • Winter (December to February) presents a challenging environment. Heavy snow, freezing temperatures, and avalanche danger make it suitable for experienced winter mountaineers only.

Daily Weather Variations:


  • Mornings on Mount Bierstadt are typically calm, with lower wind speeds. It’s the best time to start your hike and enjoy cooler temperatures.


  • Afternoons often bring changes in weather. Expect thunderstorms, gusty winds, and potential lightning strikes. Plan to be off the summit by early afternoon to avoid these risks.


  • Nights at high altitude can be extremely cold. Ensure you have adequate insulation and warm gear if you plan to camp.

Preparation Tips:

  1. Check Mount Bierstadt Weather Forecasts: Before your hike, review up-to-date weather forecasts specific to Mount Bierstadt.

  2. Pack Appropriately: Dress in layers, bring rain gear, and wear sturdy hiking boots. Don’t forget sunscreen and sunglasses.

  3. Start Early: Begin your hike well before sunrise to maximize your chances of summiting and descending safely before afternoon storms.

  4. Stay Informed: Keep an eye on the sky for developing weather changes and be prepared to turn back if conditions worsen.

  5. Respect Your Limits: Know your skill level and comfort zone. If conditions become unsafe, it’s okay to turn around.


Understanding Mount Bierstadt’s weather patterns is essential for a successful and safe hiking experience. Whether you’re a seasoned mountaineer or a first-time adventurer, planning ahead and staying informed about the weather will help you make the most of your journey to this Colorado 14er. Embrace the beauty of the Rockies, but always prioritize safety and preparedness. Enjoy your hike!

Mount Bierstadt Weather Historical Data

This table includes average high and low temperatures, wind speeds, rainfall, and snowfall, and other Mount Bierstadt weather information and notes to help you plan climbs that are too far out for a detailed forecast.

It’s important to note that mountain weather can be highly variable and unpredictable, so these averages are just a guide. Always check the specific forecast from multiple sources before hiking Mount Bierstadt and other 14ers.

MonthAvg High Temp (°F)Avg Low Temp (°F)Avg Wind Speed (mph)Avg Rainfall (inches)Avg Snowfall (inches)Additional Notes
January255250.830High avalanche risk; extreme cold
February287240.725Variable conditions; cold
March3010231.140Unpredictable weather; heavy snow
April3515221.535Transition month; mixed conditions
May4525201.315Snowmelt begins; variable temps
June5535151.05Best climbing conditions begin
July6545151.50Warm; afternoon thunderstorms common
August6343151.70Warm; watch for thunderstorms
September5535201.23Cooler temps; early snow possible
October4525251.010Snow returns; cooler
November3515250.920Early winter conditions; cold
December277300.730Very cold; high winds

Key Takeaways:

  • Winter (Dec-Feb): Extremely cold with high winds and heavy snow. Avalanche risks are elevated. Suitable for experienced winter mountaineers.
  • Spring (Mar-May): Unpredictable with a mix of late winter and early summer conditions. Transition period with snow melting later in the season.
  • Summer (Jun-Aug): The most favorable climbing conditions, although afternoon thunderstorms are common, especially in July and August. Snow can last into late June or early July, depending on the year.
  • Fall (Sep-Nov): Gradual cooling with a return of snowfall. Early snowstorms are possible in early October and November.

Note: We have averaged two different sources of Mount Bierstadt weather data to get a better estimate of climate averages for the peak.

Data Sources: Meteoblue, Prism

Frequently Asked Questions

Q: What are the typical Mount Bierstadt weather conditions?

A: Mount Bierstadt experiences a range of weather conditions, including cold temperatures, high winds, and frequent thunderstorms, especially in the summer. Winter brings snow and ice, making the climb more challenging.

A: The best time for hiking Mount Bierstadt is typically from late June to late September, when the trail is mostly snow-free. However, always check the weather forecast before planning your hike, as conditions can vary.

A:Weather on Mount Bierstadt can change rapidly, with clear skies turning into storms within minutes. It’s essential to be prepared for sudden changes in weather.

A: Yes, thunderstorms are common, especially in the afternoon during the summer months. As the sun warms the mountain, it begins to warm the air above it. When this air is moist during summer, it begins to rise and develop into powerful thunderstorms, common between 12pm and 5pm each day in summer. It’s advisable to start early in the morning to avoid being caught in a storm.

A: Dress in layers, including moisture-wicking base layers, an insulating layer, and a waterproof and windproof outer layer. Also, wear a hat, gloves, and sturdy, waterproof hiking boots.

A: Winter hiking on Mount Bierstadt is more challenging and requires proper gear, including snowshoes or spikes, and experience in winter mountaineering. Always check avalanche forecasts before heading out.

A: Regularly check local weather forecasts, and consider apps or websites specializing in mountain weather. The National Weather Service forecast, which is located above, is generally considered the best source of weather forecast information for Mount Bierstadt and other 14ers. Also, look for updates from local hiking forums or park services. 

A: Yes, high winds can be a concern, especially on the summit and ridges. Be prepared with wind-resistant clothing and exercise caution in strong winds. I recommend re-scheduling your climb whenever you expect winds to exceed 40-50 mph, as this significantly increases your risk of hypothermia, frostbite, low-visibility trips, falls, and falling victim to numerous other hazards.

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