April weather forecast
Boone, CO

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Weather in April

April in Boone, Colorado, is an enjoyable spring month, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 41.7°F (5.4°C).

Temperature

With the onset of April, Boone's average high-temperature sees a modest rise, moving from March's refreshing 57.4°F (14.1°C) to an enjoyable 64°F (17.8°C). Boone's nighttime average of 41.7°F (5.4°C) during April reflects a substantial decrease from the daytime temperature.

Humidity

The average relative humidity in April in Boone, Colorado, is 41%.

Rainfall

In Boone, in April, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. In Boone, Colorado, during the entire year, the rain falls for 83.6 days and collects up to 9.29" (236mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Boone. In Boone, in April, during 2.1 snowfall days, 1.3" (33mm) of snow is typically accumulated. In Boone, during the entire year, snow falls for 26.6 days and aggregates up to 14.06" (357mm) of snow.

Daylight

In April, the average length of the day in Boone is 13h and 13min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:20 pm. On the last day of April, in Boone, Colorado, sunrise is at 6:00 am and sunset at 7:47 pm MDT.

Sunshine

In April, the average sunshine is 10.9h.

UV index

In Boone, Colorado, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 4 in April translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the usual temperature for Boone in April?

The average high-temperature and low-temperature in Boone during April are 64°F (17.8°C) and 41.7°F (5.4°C) respectively.

What is the average humidity in April in Boone?

In April, the average relative humidity in Boone, Colorado, is 41%.

How many days does it rain in April in Boone?

In Boone, in April, it is raining for 8.4 days, with typically 0.71" (18mm) of accumulated precipitation.

How much does it snow in Boone in April?

In Boone, in April, snow falls for 2.1 days, with typically accumulated 1.3" (33mm) of snow.

What is the average length of the day in April in Boone?

In April, the average day length in Boone, Colorado, is 13h and 13min.

When are sunrise and sunset in April in Boone?

On the first day of April in Boone, Colorado, sunrise is at 6:40 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:47 pm MDT.

How many hours of sunshine does Boone have in April?

The average sunshine duration in April is 10.9h.

What is the UV index reading in April in Boone?

In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Boone, CO

Average temperature in April - Boone, CO
  • Average high temperature in April: 64°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (43°F).

  • Average low temperature in April: 41.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

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Average pressure in April
Boone, CO

Average pressure in April - Boone, CO
  • Average pressure in April: 29.88"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is April (29.88"Hg).

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Average wind speed in April
Boone, CO

Average wind speed in April - Boone, CO
  • Average wind speed in April: 9.3mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is December (7.1mph).

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Average humidity in April
Boone, CO

Average humidity in April - Boone, CO
  • Average humidity in April: 41%

The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is June (36%).

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Average rainfall in April
Boone, CO

Average rainfall in April - Boone, CO
  • Average rainfall in April: 0.71"

The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is December (0.28").

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Average rainfall days in April
Boone, CO

Average rainfall days in April - Boone, CO
  • Average rainfall days in April: 8.4 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is November (2.3 days).

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Average snowfall in April
Boone, CO

Average snowfall in April - Boone, CO
  • Average snowfall in April: 1.3"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Boone, CO

Average snowfall days in April - Boone, CO
  • Average snowfall days in April: 2.1 days

The month with the highest number of snowfall days is February (6.3 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
Boone, CO

Average daylight in April / Average sunshine in April - Boone, CO
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in April: 10h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in April
Boone, CO

Average sunshine days in April - Boone, CO
  • Average sunshine days in April: 18.4 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in April
Boone, CO

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

The month with the highest UV index is June (UV index 7).
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
Boone, CO

Average cloud cover in April - Boone, CO
  • Average cloud cover in April: 23

The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 14).

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Average visibility in April
Boone, CO

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

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

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Boone, Colorado, USA

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