Monthly climate guide

Denver in June

Denver is in early summer during June, with the season well established by this point. It tends to be warmly comfortable through the day, and bigger day–night swings than you might expect. Daylight stays generous for longer outdoor plans. Conditions tend to feel steady, which makes planning simple.

Annual ranking snapshot

Ranked across 12 months

June in context

How it compares to the rest of the year in Denver.

Hottest (avg)
WARMER
#3 / 12

One of the warmer months.

Wettest (avg)
WETTER
#3 / 12

Among the wetter months.

Daylight Hours
LONGEST
#1 / 12

Longest days of the year.

Windiest (avg)
WIND
#6 / 12

Close to the yearly wind average.

Highest UV
UV
#1 / 12

Peak UV levels for the year.

Most Humid
HUMID
#9 / 12

Humidity stays close to the yearly norm.

Climate normals

Four planning pillars

Monthly climate breakdown

A detailed look at the typical climate conditions for June.

Thermal profile

Temperature

Typical daytime high

Nighttime low
Feels like (avg)

Light window

Sunshine

14.9 h

Average daylight

UV index (max)
9
Typical sun hours
04:32 - 19:28

Wet-day pattern

Rain & Snow

Typical rainfall

Rainy days
11 days
Cloud cover (avg)
42%
Snowfall

Air feel

Humidity & Wind

50%

Average humidity

Wind (avg)
Wind (max gusts)

Historical daily baseline

Daily climate explorer

Pick a day to inspect the usual conditions through June in Denver. Based on a 30-year historical climate baseline, not a forecast.

Primary control

Select a day

Scroll to compare daily conditions. The summary updates with your selection.

Secondary context

Monthly trend

Day 15 selected

Median daytime highs across the month, with a softer low line.

Daily climate explorer for JuneMonthly trend chart for the selected climate metric, with the chosen day marked.01020304011630°C
Median temperatureMedian lowTypical range

Day 15 selected for June. Temperature 27.2°C.

Historical disruption baseline

Typical disruptions in June

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in June.

Heat High impact

Hot days Measures: Hot days (>=30C). Observed about 31% of days (9.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

9.3 days / month

Share of days
~31% of days
Upper edge
Up to ~36°C (P95)
Why this matters

Hot days are possible on ~9 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Rain High impact

Washout risk Measures: Washout day risk. Observed about 8% of days (2.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.5 days / month

Share of days
~8% of days
Upper edge
Up to ~27mm (P95)
Why this matters

Washout conditions are possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Heat High impact

Very hot days Measures: Very hot days (>=35C). Observed about 3% of days (0.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.9 days / month

Share of days
~3% of days
Upper edge
Up to ~38°C (P95)
Why this matters

Very hot days are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Cold Moderate

Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 10% of days (3.1 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

3.1 days / month

Share of days
~10% of days
Upper edge
Up to ~5°C (P95)
Why this matters

Cold feels-like nights are possible on ~3 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Rain Moderate

Rain disruption Measures: Likely rain disruption days. Observed about 9% of days (2.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.8 days / month

Share of days
~9% of days
Upper edge
Up to ~26mm (P95)
Why this matters

Rain disruption risk appears on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Heat Moderate

Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 8% of days (2.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.5 days / month

Share of days
~8% of days
Upper edge
Up to ~35°C (P95)
Why this matters

Feels-like heat >=32C is possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Show all disruptions (18 more)
Rain High impact

Washout run Measures: Multi-day washout runs. Observed about 0.5 days/month in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.5 days / month

Share of days
Upper edge
Up to ~30mm (P95)
Why this matters

Multi-day washout runs are possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 2% of days (0.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.5 days / month

Share of days
~2% of days
Upper edge
Up to ~83km/h (P95)
Why this matters

Strong gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain High impact

Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~32mm (P95)
Why this matters

Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain Moderate

Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 4% of days (1.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.3 days / month

Share of days
~4% of days
Upper edge
Up to ~28mm (P95)
Why this matters

Heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Heat Moderate

Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 1.2 days/month in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.2 days / month

Share of days
Upper edge
Up to ~36°C (P95)
Why this matters

Heatwave runs are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 49% of days (14.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

14.7 days / month

Share of days
~49% of days
Upper edge
Up to ~14mm (P95)
Why this matters

Measurable rain is possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 28% of days (8.4 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

8.4 days / month

Share of days
~28% of days
Upper edge
Up to ~61km/h (P95)
Why this matters

Gusty conditions are possible on ~8 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 25% of days (7.6 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

7.6 days / month

Share of days
~25% of days
Upper edge
Up to ~98% (P95)
Why this matters

Cloudy skies are possible on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 24% of days (7.3 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

7.3 days / month

Share of days
~24% of days
Upper edge
Up to ~17h (P95)
Why this matters

Several rainy hours are possible on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 13% of days (3.8 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

3.8 days / month

Share of days
~13% of days
Upper edge
Up to ~19h (P95)
Why this matters

Wet-most-of-day conditions are possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 10% of days (2.9 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.9 days / month

Share of days
~10% of days
Upper edge
Up to ~100% (P95)
Why this matters

Mostly cloudy skies are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 5% of days (1.5 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.5 days / month

Share of days
~5% of days
Upper edge
Up to ~95% (P95)
Why this matters

High humidity is possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 2% of days (0.7 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.7 days / month

Share of days
~2% of days
Upper edge
Up to ~100% (P95)
Why this matters

Overcast skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cold Minor

Cold nights Measures: Cold nights (min <=5C). Observed about 2% of days (0.6 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.6 days / month

Share of days
~2% of days
Upper edge
Up to ~5°C (P95)
Why this matters

Cold nights are possible on ~1 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.

Heat Minor

Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~37°C (P95)
Why this matters

Very hot feels-like conditions are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat Minor

Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 0.2 days/month in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
Upper edge
Up to ~36°C (P95)
Why this matters

Feels-like heatwave runs are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Visibility Minor

Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~98% (P95)
Why this matters

Fog-likely conditions are possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Other Minor

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 1% of days (0.2 days/month) in June. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~98 (P95)
Why this matters

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~0 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

Is June a good time to visit Denver?

Typical June days in Denver reach highs of 27°C (81°F) with nights around 11°C (52°F). It usually feels hot by day and cool after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.

What are temperatures like in June?

Daytime temperatures in June typically peak near 27°C (81°F), while nights drop to around 11°C (52°F). Expect hot afternoons and cool evenings.

How much does it rain in June?

Rainfall in June averages 47 mm (1.9 in) across roughly 11 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.

How many hours of daylight are there in June?

You can expect about 15 hours of daylight in June. Sunrise is typically around 04:32 and sunset near 19:28. You get long days with comfortable amounts of daylight.

How strong is the sun in June?

UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.

Is it windy in June?

In June, average wind speeds are around 8 km/h (5 mph), with gusts on the windiest days reaching about 47 km/h (29 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.

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