Rocky Mountain National Park Climate and Average Weather
Climate of Rocky Mountain National Park: average temperatures, rainfall and seasons month by month.
Climate in Rocky Mountain National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 24° | 4° | 2,0 in | ★★☆☆☆ |
| February | 32° | 11° | 1,8 in | ★★☆☆☆ |
| March | 38° | 15° | 2,6 in | ★★☆☆☆ |
| April | 41° | 18° | 2,5 in | ★★☆☆☆ |
| May | 48° | 24° | 3,7 in | ★★★☆☆ |
| June | 65° | 38° | 2,2 in | ★★★★☆ |
| July | 70° | 43° | 3,1 in | ★★★★☆ |
| August | 69° | 43° | 3,2 in | ★★★★☆ |
| September | 62° | 37° | 1,2 in | ★★★★☆ |
| October | 51° | 27° | 1,3 in | ★★★☆☆ |
| November | 36° | 17° | 1,3 in | ★★☆☆☆ |
| December | 31° | 13° | 1,7 in | ★★☆☆☆ |
Climate type: Polar. Source: Open-Meteo archive (ERA5).
Recent extremes in Rocky Mountain National Park
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Rocky Mountain National Park compares with nearby places
Annual averages, and the difference against Rocky Mountain National Park.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| ZIP Code 80202 | 55 mi | 53°F | +49°F warmer | 14 in |
| Denver County | 56 mi | 53°F | +50°F warmer | 14 in |
| Denver | 56 mi | 53°F | +50°F warmer | 14 in |
| Area Code 303 | 56 mi | 53°F | +50°F warmer | 14 in |
| Denver International Airport | 63 mi | 54°F | +51°F warmer | 15 in |
Best time to visit Rocky Mountain National Park
Go in June, July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, March and December - expect the least comfortable mix of heat, cold or rain.
What this means for Rocky Mountain National Park
Today is cooler than average for October. The forecast high of 42°F is 8.3°F below the 51°F typical for this month.
A 21% chance means most of the area stays dry; a passing shower is possible but short.
Gusts to 41 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 32°F mean ice is possible on bridges before dawn.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 74°F.
What to pack, what to skip
- A warm mid-layer and gloves for early mornings and evenings
- Insulated outer layer, hat and boots with grip for ice
- Avoid high-elevation trails without traction devices - frozen surfaces persist in shade all day.
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 41 mph.
- If your dates are flexible, avoid January, March and December - historically the least comfortable months here.
Summary
Rocky Mountain National Park is a national park in Colorado. Rocky Mountain National Park is a US national park known for Trail Ridge Road and alpine tundra.
Right now it is 36°F (2°C) in Rocky Mountain National Park with clear. It feels like 24°F. Today runs from 32°F to 42°F. Chance of precipitation is 21%. Sightseeing conditions score 6.3/10 - fair - plan around the weather.
The best time to visit Rocky Mountain National Park is June, July, August and September. The climate is polar. January, March and December tend to be the least comfortable months. July is the warmest month with average highs near 70°F, while January is the coldest with lows near 4°F.
The closest major airport is Denver International Airport (DEN), about 63 mi away. Nearby highlights include Hanging Lake, Pikes Peak, Garden of the Gods and Black Canyon of the Gunnison National Park.
In plain terms. Today is cooler than average for October. The forecast high of 42°F is 8.3°F below the 51°F typical for this month. The best window to be outside is roughly 2 PM to 5 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Rocky Mountain National Park today at 9.3/10. Gusts to 41 mph will push high-sided vehicles on exposed roads and bridges. Overnight lows near 32°F mean ice is possible on bridges before dawn.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Rocky Mountain National Park
| Type | National park |
|---|---|
| State | Colorado |
| Country | United States |
| Continent | North America |
| Coordinates | 40°20′34.1″N 105°41′1″W (40.3428, -105.6836) |
| Established | 1915 |
| Known for | Trail Ridge Road and alpine tundra |
| Local time | 4:25 PM (UTC-06:00) |
| Best months | June, July, August and September |
| Climate | Polar |
Weather map for Rocky Mountain National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Rocky Mountain National Park
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Rocky Mountain National Park?
Rocky Mountain National Park is a national park in Colorado. Its coordinates are 40.3428, -105.6836. It lies in North America.
What is the weather like in Rocky Mountain National Park right now?
It is currently 36°F (2°C) with clear. Humidity is 61% and wind is 17 mph.
When is the best time to visit Rocky Mountain National Park?
June, July, August and September offer the most comfortable conditions in Rocky Mountain National Park, which has a polar climate. January, March and December are usually the hardest months for outdoor plans.
What time zone is Rocky Mountain National Park in?
Rocky Mountain National Park observes America/Denver (UTC-06:00). The local time is 4:25 PM.
What is the nearest airport to Rocky Mountain National Park?
The closest airports are Denver International Airport (DEN), 63 mi away.
What are the top things to do in Rocky Mountain National Park?
Popular options include Hanging Lake, Pikes Peak, Garden of the Gods, Black Canyon of the Gunnison National Park, Great Sand Dunes National Park and Arches National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated October 28, 2026 at 4:25 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
