Early summer · Weather & things to do
Denver in June
Denver warms up: highs climb to 88°F (31°C), from 75°F in May, with lows of 57°F (14°C) and about 1.7 in (42 mm) of rain.
It scores 77/100 for comfort, 7th of 12, which makes it a solid shoulder-season month.
- Avg high
- 88°F (31°C)
- Avg low
- 57°F (14°C)
- Rain
- 1.7 in (42 mm)
- Humidity
- 41%
- Cloud cover
- 46%
- Daylight
- ~14 h 48 min
- Comfort score
- 77/100 · Great
What June feels like
Expect proper heat: afternoons average 88°F (31°C), so plan walking and hiking for the morning and save midday for shade, lunch or a swim.
Mornings start much cooler: lows average 57°F (14°C), about 17°C (31°F) below the afternoon high.
About 1.7 in (42 mm) of rain falls in a typical year's June.
Plan around June
June is shoulder season: good weather, a step below the best months (April & May and September & October).
- Inside the wettest three-month stretch, May – July.
- Longest days of the year, about 14 h 48 min of daylight.
- The year's biggest warm-up: highs jump 8°C (14°F) from May.
- Comfort slips from 89/100 in May to 77/100.
- June sits inside the Jun – Sep window our Colorado Rockies route recommends.
What to pack for June
- Light, breathable clotheshighs average 88°F
- Sunscreen, sunglasses and a hathigh UV on clear days
- Refillable water bottleeasy to dehydrate in the heat
- A warm layer for eveningslows near 57°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Denver in June
Afternoons run hot (88°F), so these picks mix early-start outdoor spots with cool indoor breaks.
Red Rocks Park and Amphitheatre
Concert venue set between 300-foot sandstone monoliths with views back to the Denver skyline.
Why now Our curated notes say it's best sunset or summer concert.
Denver Botanic Gardens
24 acres of themed gardens including a Japanese garden and a high-plains alpine collection.
Why now Our curated notes say it's best May–Sep.
Larimer Square
Denver's oldest block, lined with Victorian buildings, string lights, shops and restaurants.
Why now June scores 77/100 for comfort, good conditions for being outside.
Buckhorn Exchange
Denver's oldest restaurant (1893), packed with taxidermy and serving steaks and game.
Why now A break from 88°F afternoons.
Denver Union Station
Restored 1914 rail hall with bars, shops and a lounge-like Great Hall at the heart of LoDo.
Nearby in June
- Rocky Mountain NP in June~56 mi · highs 69°F, 1.7 in rain · 11°C (20°F) cooler by day, about as wet
- Breckenridge in June~59 mi · highs 67°F, 1.2 in rain · 12°C (21°F) cooler by day, about as wet
- Vail in June~73 mi · highs 73°F, 1.2 in rain · 9°C (16°F) cooler by day, about as wet
- Aspen in June~105 mi · highs 74°F, 0.8 in rain · 8°C (14°F) cooler by day, drier
These averages also cover City Park and Downtown Denver & 16th Street.
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,095 m to Denver's ~1,597 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.
Denver in June: quick answers
Is June a good time to visit Denver?
It's a good shoulder-season choice, scoring 77/100 against a best of 95 in April & May and September & October. Expect highs of 88°F (31°C) and 1.7 in (42 mm) of rain. June is inside the Jun – Sep window our Colorado Rockies route recommends.
How hot is Denver in June?
Average highs are 88°F (31°C) and average lows 57°F (14°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Denver in June?
Not much: about 1.7 in (42 mm) of rain falls across June on average, the 5th-wettest month of the year. The annual total is about 17.3 in (440 mm).
What should I pack for Denver in June?
Bring light, breathable clothes (highs average 88°F), sunscreen, sunglasses and a hat (high UV on clear days), refillable water bottle (easy to dehydrate in the heat), a warm layer for evenings (lows near 57°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in June
- Colorado Rockies Jun – Sep
Planning Denver in June?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.