April weather forecast
Windsor, CO

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The stonework around the Cache la Poudre River dam section in Windsor, Colorado
The stonework around the Cache la Poudre River dam section in Windsor, Colorado

Weather in April

April showers bring May flowers, and in Windsor, Colorado, it's a rainfall of about 1.34" (34mm) making it a wetter month than March. A significant increase in daylight hours implies that spring is in full swing. This is a month when parks and gardens come alive with the revival of vibrant colors and fresh blooms. The weather, inviting and generally warmer, encourages outdoor activities. As winter coats are replaced with lighter attire, the climatic theme of April leans heavily towards normal spring weather patterns.

Temperature

The start of April in Windsor is characterized by a subtle increase in the average high-temperature, transitioning from a fresh 54.1°F (12.3°C) in March to a refreshing 60.6°F (15.9°C). Throughout April, Windsor acknowledges a distinct difference between its daytime highs and the steady low average of 37.6°F (3.1°C).

Humidity

The average relative humidity in April is 49%.

Rainfall

In April, in Windsor, the rain falls for 11.7 days. Throughout April, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Windsor, there are 93.1 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Windsor. In April, it is snowing for 4 days. Throughout April, 3.62" (92mm) of snow is accumulated. In Windsor, during the entire year, snow falls for 41.7 days and aggregates up to 24.84" (631mm) of snow.

Daylight

In April, the average length of the day in Windsor is 13h and 19min.
On the first day of April in Windsor, sunrise is at 6:41 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 7:54 pm MDT.

Sunshine

The average sunshine in April is 10.6h.

UV index

In April, the average daily maximum UV index in Windsor is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 3 suggests these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are April temperatures in Windsor?

In April, in Windsor, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 37.6°F (3.1°C).

What is the average humidity in April in Windsor?

The average relative humidity in April in Windsor is 49%.

How many days does it rain in April in Windsor?

In April, the rain falls for 11.7 days. Throughout April, 1.34" (34mm) of precipitation is accumulated.

How many days does it snow in April in Windsor?

In Windsor, Colorado, in April, snow falls for 4 days, with typically accumulated 3.62" (92mm) of snow.

How many hours of daylight does Windsor have in April?

In April, the average day length in Windsor is 13h and 19min.

What time are sunrise and sunset in April in Windsor?

In April, on the first day of the month, sunrise is at 6:41 am and sunset at 7:24 pm. On the last day of the month, in Windsor, sunrise is at 5:58 am and sunset at 7:54 pm MDT.

How many hours of sunshine does Windsor have in April?

In Windsor, the average sunshine duration in April is 10.6h.

How high is the UV index in April in Windsor?

In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Windsor, CO

Average temperature in April - Windsor, CO
  • Average high temperature in April: 60.6°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (39.2°F).

  • Average low temperature in April: 37.6°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).

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Average pressure in April
Windsor, CO

Average pressure in April - Windsor, CO
  • Average pressure in April: 29.91"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in April
Windsor, CO

Average wind speed in April - Windsor, CO
  • Average wind speed in April: 7.7mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest months (with the lowest average wind speed) are August and December (5.8mph).

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Average humidity in April
Windsor, CO

Average humidity in April - Windsor, CO
  • Average humidity in April: 49%

The months with the highest relative humidity are February and December (63%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in April
Windsor, CO

Average rainfall in April - Windsor, CO
  • Average rainfall in April: 1.34"

The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.35").

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Average rainfall days in April
Windsor, CO

Average rainfall days in April - Windsor, CO
  • Average rainfall days in April: 11.7 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in April
Windsor, CO

Average snowfall in April - Windsor, CO
  • Average snowfall in April: 3.62"

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

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Average snowfall days in April
Windsor, CO

Average snowfall days in April - Windsor, CO
  • Average snowfall days in April: 4 days

The month with the highest number of snowfall days is February (9.8 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
Windsor, CO

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 10h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).

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Average sunshine days in April
Windsor, CO

Average sunshine days in April - Windsor, CO
  • Average sunshine days in April: 13.1 days

The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in April
Windsor, CO

Average UV index in April - Windsor, CO
  • Average UV index in April: 3

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
Windsor, CO

Average cloud cover in April - Windsor, CO
  • Average cloud cover in April: 28

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 17).

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Average visibility in April
Windsor, CO

Average visibility in April - Windsor, 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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Windsor, Colorado, USA

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