April weather forecast
Mack, CO

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Weather in April

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

Temperature

The shift into April is marked by a modest rise in the average high-temperature, moving from March's chilly 49.3°F (9.6°C) to a mild 57.4°F (14.1°C). The temperature dips to an average of 37°F (2.8°C) during April nights.

Humidity

In April, the average relative humidity is 45%.

Rainfall

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

Snowfall

Months with snowfall in Mack 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, in Mack, there are 30 snowfall days, and 13.03" (331mm) of snow is accumulated.

Daylight

In April, the average length of the day in Mack 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, in Mack, sunrise is at 6:17 am and sunset at 8:08 pm MDT.

Sunshine

In April, the average sunshine is 11.1h.

UV index

In Mack, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In April, a regular UV index of 4 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Mack in April?

In April, in Mack, the average high-temperature is 57.4°F (14.1°C), and the average low-temperature is 37°F (2.8°C).

What is the average humidity in April in Mack?

The average relative humidity in April in Mack, Colorado, is 45%.

How much does it rain in Mack in April?

In April, the rain falls for 11.9 days. Throughout April, 0.83" (21mm) of precipitation is accumulated.

What is the last month it snows in Mack?

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

How many hours of daylight does Mack have in April?

The average day length in April is 13h and 16min.

When are sunrise and sunset in April in Mack?

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

How many hours of sunshine does Mack have in April?

The average sunshine duration in April in Mack, Colorado, is 11.1h.

What is the UV index intensity in April in Mack?

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Mack, Colorado, USA

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