Winter
Dec → Feb9°
nights -6°
- 3 rainy days · 13 mm
When is the best time to visit Denver?
- Jan9°not recommended
- Feb9°not recommended
- Mar14°not recommended
- Apr18°fair
- May23°recommended
- Jun30°recommended
- Jul33°fair
- Aug32°fair
- Sep28°recommended
- Oct20°recommended
- Nov13°fair
- Dec9°not recommended
RecommendedFairNot recommended· afternoon temperature
The weather in Denver, month by month
The table of averages, month by month
| Month | High | Low | Rainfall | Rainy days | Best |
|---|---|---|---|---|---|
| January | 9° | -6° | 11 mm | 3 d | |
| February | 9° | -6° | 15 mm | 3 d | |
| March | 14° | -1° | 29 mm | 4 d | |
| April | 18° | 2° | 50 mm | 6 d | |
| May | 23° | 8° | 67 mm | 7 d | ✓ |
| June | 30° | 13° | 44 mm | 5 d | ✓ |
| July | 33° | 17° | 48 mm | 6 d | |
| August | 32° | 16° | 46 mm | 6 d | |
| September | 28° | 10° | 31 mm | 5 d | ✓ |
| October | 20° | 3° | 30 mm | 4 d | ✓ |
| November | 13° | -2° | 20 mm | 3 d | |
| December | 9° | -6° | 12 mm | 3 d |
The four seasons in Denver, in figures
What the 2015-2024 averages (Denver) show, season by season, to compare at a glance instead of reading twelve rows of a table.
Spring
Mar → May14 to 23°
nights -1 to 8°
- 6 rainy days · 49 mm
Summer
Jun → Aug30 to 33°
nights 13 to 17°
- 6 rainy days · 46 mm
Autumn
Sep → Nov13 to 28°
nights -2 to 10°
- 4 rainy days · 27 mm
Book early for May to June and September to October
The timing is right, so it is right for everyone: in these months the best places to stay and the small-group tours go first. Here is where to start.
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Daylight in Denver, month by month
The time between sunrise and sunset, from shortest to longest. Not to be confused with the sunshine hours in the table above, which count clear skies. In June there are 14h58 of daylight, in December 9h22, a difference of 5h36.
9h39Jan
10h39Feb
11h50Mar
13h12Apr
14h21May
14h58Jun
14h43Jul
13h43Aug
12h23Sep
11h04Oct
9h55Nov
9h22Dec
Calculated for the latitude of the reference point "Denver" (39.73°). Values on the 15th of each month, local solar time.
What to do in Denver, month by month
What to see and do
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sightseeing & walks | ||||||||||||
| Long days |
favourablewith compromisesunfavourable
- Sightseeing & walks: January, February, March, April, May, June, September, October, November, December
- Long days: May, June, July
Grid derived from the climate averages (temperature, rainfall), not from an opinion.
Travelling off-peak
Month by month, in detail
January
Not recommended9°-6° at night
- 11 mm · 3 d
Low season, lower prices
February
Not recommended9°-6° at night
- 15 mm · 3 d
Low season, lower prices
March
Not recommended14°-1° at night
- 29 mm · 4 d
Low season, lower prices
April
Fair18°2° at night
- 50 mm · 6 d
Low season, lower prices
May
Recommended23°8° at night
- 67 mm · 7 d
Busy, without the crush
June
Recommended30°13° at night
- 44 mm · 5 d
Busy, without the crush
July
Fair33°17° at night
- 48 mm · 6 d
Busy, without the crush
August
Fair32°16° at night
- 46 mm · 6 d
Busy, without the crush
September
Recommended28°10° at night
- 31 mm · 5 d
Busy, without the crush
October
Recommended20°3° at night
- 30 mm · 4 d
Busy, without the crush
November
Fair13°-2° at night
- 20 mm · 3 d
Low season, lower prices
December
Not recommended9°-6° at night
- 12 mm · 3 d
Quiet, then the holidays
Read the twelve months in detail
January. Cool: 9 °C at best, -6 °C at night. Hardly any rain (11 mm over 3 days). Low season: fewer people, lower prices.
February. Cool: 9 °C at best, -6 °C at night. Hardly any rain (15 mm over 3 days). Low season: fewer people, lower prices.
March. Cool: 14 °C at best, -1 °C at night. Rain stays light: 29 mm over 4 days. Low season: fewer people, lower prices.
April. Mild, 18 °C in the afternoon and 2 °C early in the morning. Rain stays light: 50 mm over 6 days. Low season: fewer people, lower prices.
May. Mild, 23 °C in the afternoon and 8 °C early in the morning. Rain stays light: 67 mm over 7 days. Busy season, without the crush.
June. 30 °C in the afternoon and 13 °C at night. Rain stays light: 44 mm over 5 days. Busy season, without the crush.
July. Real heat: 33 °C at the warmest of the day, 17 °C at night. Rain stays light: 48 mm over 6 days. Busy season, without the crush.
August. Real heat: 32 °C at the warmest of the day, 16 °C at night. Rain stays light: 46 mm over 6 days. Busy season, without the crush.
September. 28 °C in the afternoon and 10 °C at night. Rain stays light: 31 mm over 5 days. Busy season, without the crush.
October. Mild, 20 °C in the afternoon and 3 °C early in the morning. Rain stays light: 30 mm over 4 days. Busy season, without the crush.
November. Cool: 13 °C at best, -2 °C at night. Hardly any rain (20 mm over 3 days). Low season: fewer people, lower prices.
December. Cool: 9 °C at best, -6 °C at night. Hardly any rain (12 mm over 3 days). Quiet at the start of the month, then busier as the holidays approach.
Same season, other ideas
Their best time overlaps with this one: worth comparing before you book.
Frequently asked questions
When is the best time to visit Denver?
May to June and September to October: over these months, average highs range from 20 to 30 °C, with 5 days of rain a month on average (2015-2024 averages, Denver).
Which month should you avoid in Denver?
March: it is the wettest of the months to avoid, with 29 mm over 4 days of rain on average over 2015-2024 at the reference point (Denver).
What is the hottest month in Denver?
July, with 33 °C on average in the afternoon and 17 °C at night. 2015-2024 averages (Denver).
What is the coldest month in Denver?
January, with 9 °C at best during the day and -6 °C at night. 2015-2024 averages (Denver).
What is the driest month in Denver?
January: 11 mm over 3 days of rain, against 67 mm in May, the wettest month.
Does it get cold at night in Denver?
The gap between day and night reaches 18 °C in September: 28 °C in the afternoon, 10 °C at dawn. Pack an extra layer, even in high season.
Plan this trip
📒 The free printable Denver guide: itinerary, map, where to sleep→
🧭 When to visit the American West: the country overview→
🗓️ Best time to visit: all our destinations→
Compare with other destinations
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