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

April's onset in Sterling is marked by a subtle temperature increase, moving from a fresh 53.8°F (12.1°C) in March to a refreshing 59.7°F (15.4°C). In the month of April, Sterling records a consistent average low-temperature of 39.7°F (4.3°C).

Humidity

The average relative humidity in April in Sterling is 54%.

Rainfall

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

Snowfall

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

Daylight

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 in Sterling is 10.2h.

UV index

The average daily maximum UV index in April in Sterling is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during April, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the usual temperature for Sterling in April?

The average high-temperature and low-temperature in Sterling, Colorado, during April are 59.7°F (15.4°C) and 39.7°F (4.3°C) respectively.

What is the average humidity in April in Sterling?

In April, the average relative humidity in Sterling, Colorado, is 54%.

How many days does it rain in April in Sterling?

In Sterling, Colorado, in April, it is raining for 14.6 days, with typically 1.65" (42mm) of accumulated precipitation.

How many days does it snow in April in Sterling?

In April, in Sterling, Colorado, it is snowing for 3.1 days. Throughout April, 1.46" (37mm) of snow is accumulated.

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

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

What time are sunrise and sunset in April in Sterling?

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, in Sterling, sunrise is at 5:51 am and sunset at 7:48 pm MDT.

How long on average sun shines in April in Sterling?

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

What is the UV index reading in April in Sterling?

In April, the average daily maximum UV index in Sterling is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Sterling, Colorado, USA

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