Mid-spring · Weather & things to do
Rocky Mountain NP in April
Rocky Mountain NP warms up: highs climb to 43°F (6°C), from 34°F in March, with lows of 20°F (-7°C) and about 2.6 in (65 mm) of rain or snow.
Our comfort score puts it mid-table at 50/100, 9th of 12.

- Avg high
- 43°F (6°C)
- Avg low
- 20°F (-7°C)
- Rain or snow
- 2.6 in (65 mm)
- Humidity
- 64%
- Cloud cover
- 67%
- Daylight
- ~13 h 05 min
- Comfort score
- 50/100 · Fair
What April feels like
It's cool, with highs near 43°F (6°C), so a proper jacket stays on most of the day.
Nights drop below freezing, with an average low of 20°F (-7°C), so expect frost and ice.
About 2.6 in (65 mm) of rain or snow falls in the month, and with temperatures averaging below freezing, much of it may come as snow.
Plan around April
April sits mid-table; the best months are June – September.
- Inside the wettest three-month stretch, March – May.
- Comfort holds steady from March (48 → 50/100).
- Our Colorado Rockies route recommends Jun – Sep, so April falls outside its suggested window.
What to pack for April
- Insulated jackethighs only 43°F
- Hat, gloves and thermal base layerslows around 20°F
- Insulated, waterproof bootssnow is likely on some days
- Waterproof outer layerabout 2.6 in of rain or snow
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Rocky Mountain NP in April
Weather can go either way, so the picks below mix open-air spots with indoor backups.
Sprague Lake
Easy, flat loop with mirror reflections of the Continental Divide.
Alpine Visitor Center
Highest visitor center in the National Park System, with tundra trails and a cafe.
Bear Lake
Flat half-mile loop around a subalpine lake under Hallett Peak, and the trailhead for the park's classic hikes.
Alberta Falls
Easy 1.6-mile round-trip hike to a 30-foot cascade on Glacier Creek.
Bird & Jim
Estes Park restaurant near the Beaver Meadows entrance, with seasonal mountain cooking and a patio.
Nearby in April
- Denver in April~56 mi · highs 65°F, 2.0 in rain · 12°C (21°F) warmer by day, about as wet
- Vail in April~60 mi · highs 46°F, 2.5 in rain or snow · 2°C (3°F) warmer by day, about as wet
- Breckenridge in April~62 mi · highs 41°F, 2.5 in rain or snow · 1°C (2°F) cooler by day, about as wet
- Aspen in April~100 mi · highs 48°F, 2.0 in rain or snow · 3°C (5°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,670 m to Rocky Mountain NP's ~2,918 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Rocky Mountain NP in April: quick answers
Is April a good time to visit Rocky Mountain NP?
It's middling, scoring 50/100. The best months are June – September, at up to 93. Expect highs of 43°F (6°C) and 2.6 in (65 mm) of rain or snow. Our Colorado Rockies route recommends Jun – Sep, so April is outside its suggested window.
How cold is Rocky Mountain NP in April?
Average highs are 43°F (6°C) and average lows 20°F (-7°C), making it the 6th-coldest month by daytime highs, with nights below freezing on average.
Does it snow a lot in Rocky Mountain NP in April?
Some: about 2.6 in (65 mm) of rain or snow falls across April on average, the 2nd-wettest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 21.8 in (553 mm).
What should I pack for Rocky Mountain NP in April?
Bring insulated jacket (highs only 43°F), hat, gloves and thermal base layers (lows around 20°F), insulated, waterproof boots (snow is likely on some days), waterproof outer layer (about 2.6 in of rain or snow) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Rocky Mountain NP
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