Monthly Weather in Denver, United States
What is the average monthly temperature in Denver?
The average monthly temperature in Denver, Colorado, United States ranges from -3.2°C (26.3°F) in January to 22.4°C (72.3°F) in July. Denver temperature by month is given in the table below.
| Month | Celsius | Fahrenheit |
|---|---|---|
| January | -3.2°C | 26.2°F |
| February | -0.3°C | 31.5°F |
| March | 1.8°C | 35.2°F |
| April | 8.1°C | 46.6°F |
| May | 14.2°C | 57.6°F |
| June | 17.0°C | 62.6°F |
| July | 22.4°C | 72.3°F |
| August | 22.2°C | 72.0°F |
| September | 18.9°C | 66.0°F |
| October | 10.7°C | 51.3°F |
| November | 5.9°C | 42.6°F |
| December | 2.7°C | 36.9°F |
What is the hottest month in Denver?
The hottest months in Denver are July, August and September. During July the average temperature outside is 22.4°C (72.3°F), in August it is 22.2°C (72°F) and during September the air temperature is around 18.9°C (66°F).
What is the coldest month in Denver?
The coldest months in Denver are January, February and March. In January the average air temperature drops to -3.2°C (26.2°F), in February air temperature is -0.3°C (31.5°F) and during March it is 1.8°C (35.2°F).
How much does it rain on average in Denver?
On average it rains for 12 month(s) in Denver, United States with an average of 9.2 days of rain per month. In total Denver has 111 rainy days in a year.
When does it rain the most in Denver?
In Denver it rains the most during the following months.
- June - on average 5.8mm (0.23 inches) of rainfall per day.
- May - on average 5.46mm (0.21 inches) of rainfall per day.
- July - on average 2.02mm (0.08 inches) of rainfall per day.
- April - on average 1.4mm (0.06 inches) of rainfall per day.
- August - on average 1.2mm (0.05 inches) of rainfall per day.
- September - on average 1.17mm (0.05 inches) of rainfall per day.
Does it snow in Denver?
Yes, it snows in Denver. The following months have the most amount of snow.
- January. Denver has 2.05mm (0.08 inches) of snowfall and 2.44 mm (0.1 inches) of snow on the ground in January.
- February. Denver has 1.27mm (0.05 inches) of snowfall and 0.86 mm (0.03 inches) of snow on the ground in February.
- October. Denver has 1.02mm (0.04 inches) of snowfall and 1.15 mm (0.05 inches) of snow on the ground in October.
- December. Denver has 0.75mm (0.03 inches) of snowfall and 0.35 mm (0.01 inches) of snow on the ground in December.
- April. Denver has 0.5mm (0.02 inches) of snowfall and 0.13 mm (0.01 inches) of snow on the ground in April.
- March. Denver has 0.48mm (0.02 inches) of snowfall and 0.09 mm (0 inches) of snow on the ground in March.
- November. Denver has 0.22mm (0.01 inches) of snowfall and 0.45 mm (0.02 inches) of snow on the ground in November.
When is it windy in Denver?
The windiest months in Denver, United States are March, April and August. In March the average windspeed is 27.5 km/h (17.1 mph), during April the windspeed is 27.1 km/h (16.8 mph) and in August the windspeed is 26.5 km/h (16.5 mph).
What are the least windy months in Denver?
The least windy months in Denver are January, October and November. In January the average windspeed is 19.1 km/h (11.9 mph), during October the windspeed is 20.6 km/h (12.8 mph) and in November the windspeed is 20.9 km/h (13 mph).
When is it cloudy in Denver?
The cloudiest months in Denver, United States are January, May and June. On average in January 70.8% of sky is covered by clouds, in May 66.4% is covered by clouds and in June clouds cover about 64.2% of sky.
When does Denver have the clearest sky?
Denver has the clearest sky in October, September and February. In October 41.1% of sky is covered by clouds, in September clouds cover around 42.5% and during February clouds cover about 49% of sky.
What is the average daylight duration in Denver?
The average daylight duration in Denver is 12 hours 11 minutes 43 seconds.
Which months have the most daylight in Denver?
The longest days in Denver are during June, July and May.
- June - 14 hours 56 minutes 9 seconds of daylight.
- July - 14 hours 39 minutes 27 seconds of daylight.
- May - 14 hours 22 minutes 37 seconds of daylight.
Which months have the least daylight in Denver?
The shortest days in Denver are during December, January and November.
- December - 9 hours 24 minutes 32 seconds of daylight.
- January - 9 hours 43 minutes 45 seconds of daylight.
- November - 10 hours 0 minutes 10 seconds of daylight.
What are the humidity levels in Denver throughout the year?
Humidity levels in Denver, United States range from 42.2% in September to 66.2% in January.
What are the pressure levels in Denver throughout the year?
Pressure levels in Denver change from 1011.6 mb (millibars) in June to 1018.1 mb in December.
What is the visibility in Denver throughout the year?
Visibility in Denver changes from lowest 13.7 km (8.5 miles) in January to highest 15.9 km (9.9 miles) in August.
What are the UV levels in Denver throughout the year?
UV levels change in Denver from 4 in December to 9.2 in July.
Which months have the highest UV levels in Denver throughout the year?
In Denver, United States the highest UV index is during July, August and April. During July the average UV index is 9.2, in August UV level is 8.8 and in April UV index is around 8.2.
Which months have the lowest UV levels in Denver throughout the year?
The lowest UV levels in Denver are in December, January and November. In December the average UV index is around 4, in January UV index is 4.1 and during November UV level is 4.9.