April weather forecast
Mack, CO

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Weather in April

April is a moderate spring month in Mack, Colorado, with an average temperature ranging between max 57.4°F (14.1°C) and min 37°F (2.8°C).

Temperature

Mack observes a slight uplift in the average high-temperature with the onset of April, adjusting from March's chilly 49.3°F (9.6°C) to a mild 57.4°F (14.1°C). April nights are marked by an average low-temperature of 37°F (2.8°C).

Humidity

In April, the average relative humidity in Mack is 45%.

Rainfall

In Mack, in April, it is raining for 11.9 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 107.7 rainfall days, and 9.33" (237mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.7 snowfall days, in April, Mack aggregates 0.55" (14mm) of snow. Throughout the year, there are 30 snowfall days, and 13.03" (331mm) of snow is accumulated.

Daylight

The average length of the day in April is 13h and 16min.
On the first day of the month, sunrise is at 6:58 am and sunset at 7:39 pm. On the last day of April, sunrise is at 6:17 am and sunset at 8:08 pm MDT.

Sunshine

In Mack, the average sunshine in April is 11.1h.

UV index

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 4 during April translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

The high-temperature, in April, in Mack, is 57.4°F (14.1°C), while the low-temperature averages to 37°F (2.8°C).

What is the average humidity in April?

The average relative humidity in April is 45%.

How much does it rain in April?

In Mack, in April, it is raining for 11.9 days, with typically 0.83" (21mm) of accumulated precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 1.7 snowfall days, in April, Mack aggregates 0.55" (14mm) of snow.

How many hours of daylight does Mack have in April?

In April, the average day length is 13h and 16min.

When is the sunrise / sunset in April?

On the first day of April in Mack, Colorado, sunrise is at 6:58 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:08 pm MDT.

How many hours of sunshine does Mack have in April?

In April, the average sunshine duration is 11.1h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mack, CO

Average temperature in April - Mack, CO
  • Average high temperature in April: 57.4°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in April: 37°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

Average pressure in April
Mack, CO

Average pressure in April - Mack, CO
  • Average pressure in April: 29.92"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).

Average wind speed in April
Mack, CO

Average wind speed in April - Mack, CO
  • Average wind speed in April: 7.2mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in April
Mack, CO

Average humidity in April - Mack, CO
  • Average humidity in April: 45%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is June (30%).

Average rainfall in April
Mack, CO

Average rainfall in April - Mack, CO
  • Average rainfall in April: 0.83"

The wettest month (with the highest rainfall) is October (1.02").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in April
Mack, CO

Average rainfall days in April - Mack, CO
  • Average rainfall days in April: 11.9 days

The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is November (5.6 days).

Average snowfall in April
Mack, CO

Average snowfall in April - Mack, CO
  • Average snowfall in April: 0.55"

The month with the highest snowfall is December (4.41").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Mack, CO

Average snowfall days in April - Mack, CO
  • Average snowfall days in April: 1.7 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April /
Average sunshine in April
Mack, CO

Average daylight in April / Average sunshine in April - Mack, CO
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in April: 11h and 1min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).

Average sunshine days in April
Mack, CO

Average sunshine days in April - Mack, CO
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in April
Mack, CO

Average UV index in April - Mack, CO
  • Average UV index in April: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April
Mack, CO

Average cloud cover in April - Mack, CO
  • Average cloud cover in April: 24

The month with the most cloud cover is January (Cloud cover 31).
The months with the least cloud cover are June and September (Cloud cover 11).

Average visibility in April
Mack, CO

Average visibility in April - Mack, CO
  • Average visibility in April: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).

Mack, Colorado, USA

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