April weather forecast
Sterling, CO

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Weather in April

April ushers in consistent springtime weather in Sterling. Temperatures continue to rise, inducing a definitive shift from the chilly grip of winter. Simultaneously, it's the month receiving the highest amount of rainfall, approximately 1.65" (42mm) spread over 14.6 days. Defining the vibrancy of spring, longer daylight hours of almost 13.3 hours on average become more evident. The occasional April showers add to the tranquil charm of this city.

Temperature

As Sterling transitions into April, the average high-temperature is observed to slightly rise from a fresh 53.8°F (12.1°C) in March to a refreshing 59.7°F (15.4°C). April nights experience a consistent temperature drop to a wintry 39.7°F (4.3°C).

Humidity

The average relative humidity in April is 54%.

Rainfall

In Sterling, in April, it is raining for 14.6 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 123.2 rainfall days, and 15.39" (391mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sterling are January through May, October through December. In Sterling, in April, snow falls for 3.1 days, with typically accumulated 1.46" (37mm) of snow. In Sterling, during the entire year, snow falls for 34.4 days and aggregates up to 12.13" (308mm) of snow.

Daylight

In Sterling, the average length of the day in April is 13h and 19min.
On the first day of April, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:48 pm MDT.

Sunshine

In April, the average sunshine is 10.2h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily maximum UV index of 3 in April interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Sterling in April?

The high-temperature, in April, in Sterling, is 59.7°F (15.4°C), while the low-temperature averages to 39.7°F (4.3°C).

What is the average humidity in April?

In April, the average relative humidity is 54%.

How many days does it rain in April?

In April, the rain falls for 14.6 days. Throughout April, 1.65" (42mm) of precipitation is accumulated.

How many days does it snow in April?

In Sterling, during April, snow falls for 3.1 days and regularly aggregates up to 1.46" (37mm) of snow.

How many hours of daylight does Sterling have in April?

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

What time are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:34 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:48 pm MDT.

How long on average sun shines in April?

In April, the average sunshine duration in Sterling is 10.2h.

What is the UV index reading in April?

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Sterling, CO

Average temperature in April - Sterling, CO
  • Average high temperature in April: 59.7°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in April: 39.7°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (23°F).

Average pressure in April
Sterling, CO

Average pressure in April - Sterling, 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 June (29.83"Hg).

Average wind speed in April
Sterling, CO

Average wind speed in April - Sterling, CO
  • Average wind speed in April: 11.9mph

The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (9mph).

Average humidity in April
Sterling, CO

Average humidity in April - Sterling, CO
  • Average humidity in April: 54%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is September (47%).

Average rainfall in April
Sterling, CO

Average rainfall in April - Sterling, CO
  • Average rainfall in April: 1.65"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is January (0.35").

Average rainfall days in April
Sterling, CO

Average rainfall days in April - Sterling, CO
  • Average rainfall days in April: 14.6 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in April
Sterling, CO

Average snowfall in April - Sterling, CO
  • Average snowfall in April: 1.46"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Sterling, CO

Average snowfall days in April - Sterling, CO
  • Average snowfall days in April: 3.1 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in April / Average sunshine in April - Sterling, 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 1min

The months with the most sunshine are June and August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).

Average sunshine days in April
Sterling, CO

Average sunshine days in April - Sterling, CO
  • Average sunshine days in April: 12.3 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in April
Sterling, CO

Average UV index in April - Sterling, 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).

Average cloud cover in April
Sterling, CO

Average cloud cover in April - Sterling, CO
  • Average cloud cover in April: 32

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in April
Sterling, CO

Average visibility in April - Sterling, 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).

Sterling, Colorado, USA

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