AI-generatedDenver at a glance
- Best time
- May – Jun, Aug – Oct
- Warmest month
- Jul · 30°
- Sunshine a year
- 2,670 h
- Rain a year
- 490 mm
- Climate
- Continental
- Time zone
- UTC−7 / UTC−6
- Elevation
- 1,609 m
Climate in Denver
Denver has warm to hot summers and cold winters with occasional snow. July is the warmest month with average highs of 30 °C, while January is the coolest at 5 °C. With around 2,670 hours of sunshine a year, Denver is sunny; July is the sunniest month with 9.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: May – June, August – October
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 6°
- Midday, 13:00: about 17°
- Afternoon, 16:00: about 17°
- Evening, 20:00: about 11°
- Night, 23:00: about 8°
07:0918:22
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:52–07:45 · evening 17:46–18:39
- Blue hour
- Morning 06:42–06:52 · evening 18:39–18:49
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Denver in October?
In October, Denver is mild: daytime highs average 18 °C, and nights cool down to about 3 °C. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 38 mm. Snow falls on about 2 days. All in all, October is an excellent month for a holiday in Denver.
More details for October
- Daylight
- 11 h 14 min07:09 – 18:22
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 37 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 2 days1 cm or more of fresh snowAll months
- Time zone
- UTC−6America/Denver
How the score comes together
- Temperatureweight 50 %95 %
- Sunshineweight 20 %58 %
- Few rainy daysweight 30 %86 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
Sunshine hours in Denver
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.5 of 11.2 hours of daylight in Denver, 58 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Denver
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 5 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 30 min
- Fair skin
- about 35 min
- Light brown skin
- about 50 min
- Olive skin
- about 65 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Denver: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Denver has about 6 rainy days with 38 mm of rain in total.
Wind and clouds in Denver
How breezy and how cloudy Denver is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Denver typically peaks at 14 km/h during the day: Beaufort 3, light breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 37 % of the sky over Denver: mostly sunny, with about 6.5 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Denver
How often the day gets hot in Denver (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Denver has about 0 hot days, with an average daytime high of 18 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Denver
Snow is possible in Denver, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, Denver has about 2 days with at least 1 cm of fresh snow, 8 cm in total. The chance of seeing snow during a week's stay is 21 out of 100: possible.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Denver
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
ColdOctober: nights around 3°. The room should be heated.
The coolest nights are in January (−10°), the warmest in July (15°). Nights are pleasant for sleeping (15 to 20 °C) in July. Nights fall below 8 °C on average from October to May, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 37 | 5° | −10° | 5.7 h | 5 | 21 |
| FebruaryFeb | 37 | 6° | −9° | 6.4 h | 6 | 23 |
| MarchMar | 50 | 11° | −5° | 7.2 h | 8 | 44 |
| AprilApr | 67 | 15° | 0° | 7.5 h | 10 | 64 |
| MayMay | 80 | 20° | 5° | 8.0 h | 12 | 86 |
| JuneJun | 89 | 27° | 11° | 9.1 h | 9 | 50 |
| JulyJul | 71 | 30° | 15° | 9.5 h | 9 | 41 |
| AugustAug | 80 | 29° | 14° | 8.7 h | 8 | 41 |
| SeptemberSep | 92 | 25° | 10° | 7.8 h | 6 | 38 |
| OctoberOct | 85 | 18° | 3° | 6.5 h | 6 | 38 |
| NovemberNov | 49 | 11° | −4° | 5.8 h | 5 | 24 |
| DecemberDec | 37 | 5° | −9° | 5.4 h | 5 | 20 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
39.74° N, 104.98° W · 1,609 m · America/Denver
Best time to visit Denver
The best time to visit Denver is from May to June and from August to October. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and from September to October. The wettest month is May with 86 mm of precipitation.
Denver through the seasons
How the weather changes over the seasons, with averages for each.
Denver in spring
Mar – May
Good
- 11–20 °C by day
- 8 h of sun a day
- 29 rainy days in all
Denver in summer
Jun – Aug
Excellent
- 27–30 °C by day
- 9 h of sun a day
- 26 rainy days in all
Denver in autumn
Sep – Nov
Good
- 11–25 °C by day
- 7 h of sun a day
- 17 rainy days in all
Denver in winter
Dec – Feb
Poor
- 5–6 °C by day
- 6 h of sun a day
- 16 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Denver for you.
Your best months: September
Based on the climate averages; tap a month to see its details.
Compare two months in Denver
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
September has the better holiday weather in Denver: score 92 against 85. In September, days are 7 °C warmer than in October. The sun shines an hour longer a day in September.
| Month | October | September |
|---|---|---|
| Weather score | 85 | 92better |
| Day high | 18° | 25° |
| Night low | 3° | 10° |
| Sunshine | 6.5 h | 7.8 hbetter |
| Rainy days | 6 | 6 |
| Rainfall | 38 mm | 38 mm |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Sep – Oct
15–28 °C and not too much rain
Snow
Nov – Apr
Snow on 2 or more days
Denver month by month
The typical weather for every month at a glance.
37January5° · 6 h
In January, Denver is cold: daytime highs average 5 °C, and nights often drop below freezing (−10 °C). Expect around 6 hours of sunshine a day. Rain falls on about 5 days, adding up to 21 mm. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Denver.
Denver in January37February6° · 6 h
In February, Denver is cold: daytime highs average 6 °C, and nights often drop below freezing (−9 °C). Expect around 6 hours of sunshine a day. Rain falls on about 6 days, adding up to 23 mm. Snow falls on about 5 days. All in all, February is not an ideal month for a holiday in Denver.
Denver in February50March11° · 7 h
In March, Denver is cool: daytime highs average 11 °C, and nights often drop below freezing (−5 °C). The sun shines for around 7 hours a day. Rain falls on about 8 days, adding up to 44 mm. Snow falls on about 4 days. All in all, March is a so-so month for a holiday in Denver.
Denver in March67April15° · 8 h
In April, Denver is cool: daytime highs average 15 °C, and nights often drop below freezing (0 °C). The sun shines for around 8 hours a day. Rain is frequent, with about 10 rainy days and 64 mm in total. Snow falls on about 4 days. All in all, April is a good month for a holiday in Denver.
Denver in April80May20° · 8 h
In May, Denver is mild: daytime highs average 20 °C, and nights cool down to about 5 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 86 mm in total. All in all, May is an excellent month for a holiday in Denver.
Denver in May89June27° · 9 h
In June, Denver is warm: daytime highs average 27 °C, and nights cool down to about 11 °C. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 9 rainy days and 50 mm in total. On about 9 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Denver.
Denver in June71July30° · 10 h
In July, Denver is hot: daytime highs average 30 °C, and nights cool down to about 15 °C. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 9 days, adding up to 41 mm. On about 18 days the thermometer climbs to 30 °C or more. All in all, July is a good month for a holiday in Denver.
Denver in July80August29° · 9 h
In August, Denver is hot: daytime highs average 29 °C, and nights cool down to about 14 °C. The sun shines for around 9 hours a day. Rain falls on about 8 days, adding up to 41 mm. On about 13 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Denver.
Denver in August92September25° · 8 h
In September, Denver is warm: daytime highs average 25 °C, and nights cool down to about 10 °C. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 38 mm. All in all, September is an excellent month for a holiday in Denver.
Denver in September85October18° · 7 h
In October, Denver is mild: daytime highs average 18 °C, and nights cool down to about 3 °C. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 38 mm. Snow falls on about 2 days. All in all, October is an excellent month for a holiday in Denver.
Denver in October49November11° · 6 h
In November, Denver is cool: daytime highs average 11 °C, and nights often drop below freezing (−4 °C). Expect around 6 hours of sunshine a day. Rain falls on about 5 days, adding up to 24 mm. Snow falls on about 4 days. All in all, November is a so-so month for a holiday in Denver.
Denver in November37December5° · 5 h
In December, Denver is cold: daytime highs average 5 °C, and nights often drop below freezing (−9 °C). Expect around 5 hours of sunshine a day. Rain is rare: about 5 days bring 20 mm in total. Snow falls on about 4 days. All in all, December is not an ideal month for a holiday in Denver.
Denver in DecemberDenver compared
Put Denver side by side with another destination.
No destination found
Denver vs. Breckenridge
In October Denver has the better holiday weather (score 85 vs. 34). During the day Breckenridge is 9 °C cooler than Denver. Breckenridge gets one hour less sunshine a day.
| in October | Denver | Breckenridge |
|---|---|---|
| Holiday score | 85 | 34 |
| Daytime high | 18° | 9° |
| Sunshine | 7 h | 6 h |
| Rainy days | 6 | 9 |
| Best time | May – Jun, Aug – Oct | Jun – Sep |
Through the year
USA in October: the best places
In October, Denver ranks 13 among the 31 nearest destinations in this country.
- Las Vegas26°99
- 2Sedona23°97
- 3El Paso26°97
- 4Page (Lake Powell)21°96
- 5Moab21°95
- 6Albuquerque22°94
- 7Flagstaff (Grand Canyon)18°93
- 8Santa Fe17°92
- 13DenverThis page18°85
Planning a trip to Denver
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Denver in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Denver has its best school-holiday weather during October half-term (score 85) and its weakest during the Christmas holidays (score 37).
- 62
Easter holidays
Mar – Apr
Good
- 14 °C by day
- 7.4 h of sun a day
- 9 rainy days a month
Keep in mind: Snow
- 82
May half-term
May – Jun
Excellent
- 21 °C by day
- 8.2 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 77
Summer holidays
Jul – Aug
Good
- 29 °C by day
- 9.0 h of sun a day
- 8 rainy days a month
- 85
October half-term
Oct
ExcellentBest holidays
- 18 °C by day
- 6.5 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 37
Christmas holidays
Dec – Jan
Poor
- 5 °C by day
- 5.6 h of sun a day
- 5 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 9 h 35 min
- Distance
- 7,520 km
- Time zone
- UTC−6
- Jet lag
- About 5 days (7 h west)
Rule of thumb for flying west: for a few days before, stay up a little later, and get afternoon and evening light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Denver
When is the best time to visit Denver?
The best time to visit Denver is from May to June and from August to October. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Denver?
July is the warmest month, with average highs of 30 °C and nights around 15 °C. January is the coolest month at 5 °C.
When does it rain most in Denver?
The wettest month is May with 86 mm of precipitation. The driest month is December with 20 mm.
How many hours of sunshine does Denver get?
Denver gets around 2,670 hours of sunshine a year. The sunniest month is July with 9.5 hours a day; in December there are 5.4 hours a day.
What time zone is Denver in?
Denver uses the time zone America/Denver: UTC−7 in January and UTC−6 in July.
How long is the flight from London to Denver?
A nonstop flight from London to Denver takes about 9 h 35 min, for a straight-line distance of about 7,520 km.
Which school holidays are best for Denver?
Denver has its best school-holiday weather during October half-term (score 85) and its weakest during the Christmas holidays (score 37). Holiday ratings (0–100): Easter holidays 62, May half-term 82, Summer holidays 77, October half-term 85, Christmas holidays 37.
Near Denver
Other destinations close by.
Places with a climate like Denver
Destinations whose weather through the year is closest to Denver's – good alternatives.