April weather forecast
Fort Lyon, CO

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Weather in April

April in Fort Lyon, Colorado, is an enjoyable spring month, with an average temperature ranging between max 67.3°F (19.6°C) and min 45.1°F (7.3°C).

Temperature

April witnesses a minor rise in the average high-temperature, transitioning from a moderate 60.4°F (15.8°C) in March to an enjoyable 67.3°F (19.6°C). Fort Lyon observes a noteworthy temperature drop from the daily highs during April nights, with a mean temperature of 45.1°F (7.3°C).

Humidity

In Fort Lyon, the average relative humidity in April is 41%.

Rainfall

In Fort Lyon, during April, the rain falls for 9 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Fort Lyon, Colorado, during the entire year, the rain falls for 89.9 days and collects up to 10.2" (259mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. In Fort Lyon, Colorado, during April, snow falls for 1.5 days and regularly aggregates up to 0.43" (11mm) of snow. In Fort Lyon, during the entire year, snow falls for 23.2 days and aggregates up to 10.28" (261mm) of snow.

Daylight

The average length of the day in April in Fort Lyon is 13h and 13min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of April, in Fort Lyon, sunrise is at 5:56 am and sunset at 7:43 pm MDT.

Sunshine

In Fort Lyon, the average sunshine in April is 10.7h.

UV index

In Fort Lyon, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 4 in April translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

What are the temperatures in Fort Lyon in April?

In Fort Lyon, 67.3°F (19.6°C) is the average high-temperature and 45.1°F (7.3°C) is the average low-temperature during April.

What is the average humidity in April in Fort Lyon?

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

How many days does it rain in April in Fort Lyon?

In Fort Lyon, Colorado, in April, it is raining for 9 days, with typically 0.91" (23mm) of accumulated precipitation.

How many days does it snow in April in Fort Lyon?

In Fort Lyon, Colorado, in April, during 1.5 snowfall days, 0.43" (11mm) of snow is typically accumulated.

What is the average length of the day in April in Fort Lyon?

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

What time are sunrise and sunset in April in Fort Lyon?

In April, on the first day of the month, sunrise is at 6:36 am and sunset at 7:16 pm. On the last day of the month, in Fort Lyon, Colorado, sunrise is at 5:56 am and sunset at 7:43 pm MDT.

How long on average sun shines in April in Fort Lyon?

In Fort Lyon, the average sunshine duration in April is 10.7h.

What is the UV index reading in April in Fort Lyon?

In Fort Lyon, Colorado, the average daily maximum UV index in April is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Fort Lyon, CO

Average temperature in April - Fort Lyon, CO
  • Average high temperature in April: 67.3°F

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in April: 45.1°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (26.6°F).

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Average pressure in April
Fort Lyon, CO

Average pressure in April - Fort Lyon, CO
  • Average pressure in April: 29.85"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).

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Average wind speed in April
Fort Lyon, CO

Average wind speed in April - Fort Lyon, CO
  • Average wind speed in April: 11.7mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is January (8.2mph).

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Average humidity in April
Fort Lyon, CO

Average humidity in April - Fort Lyon, CO
  • Average humidity in April: 41%

The month with the highest relative humidity is January (58%).
The month with the lowest relative humidity is June (38%).

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Average rainfall in April
Fort Lyon, CO

Average rainfall in April - Fort Lyon, CO
  • Average rainfall in April: 0.91"

The wettest month (with the highest rainfall) is July (1.81").
The driest months (with the least rainfall) are January, November and December (0.35").

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Average rainfall days in April
Fort Lyon, CO

Average rainfall days in April - Fort Lyon, CO
  • Average rainfall days in April: 9 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (3.3 days).

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Average snowfall in April
Fort Lyon, CO

Average snowfall in April - Fort Lyon, CO
  • Average snowfall in April: 0.43"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Fort Lyon, CO

Average snowfall days in April - Fort Lyon, CO
  • Average snowfall days in April: 1.5 days

The month with the highest number of snowfall days is February (5.2 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
Fort Lyon, CO

Average daylight in April / Average sunshine in April - Fort Lyon, 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).

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Average sunshine days in April
Fort Lyon, CO

Average sunshine days in April - Fort Lyon, CO
  • Average sunshine days in April: 18.8 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in April
Fort Lyon, CO

Average UV index in April - Fort Lyon, CO
  • Average UV index in April: 4

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in April
Fort Lyon, CO

Average cloud cover in April - Fort Lyon, CO
  • Average cloud cover in April: 25

The months with the most cloud cover are February and April (Cloud cover 25).
The months with the least cloud cover are June and September (Cloud cover 14).

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Average visibility in April
Fort Lyon, CO

Average visibility in April - Fort Lyon, 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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Fort Lyon, Colorado, USA

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