April weather forecast
Sterling, OK

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Weather in April

April is an agreeable spring month in Sterling, Oklahoma, with an average temperature ranging between max 72.9°F (22.7°C) and min 52.3°F (11.3°C).

Temperature

Sterling, Oklahoma, in April observes a minor temperature shift, with average high-temperatures adjusting from an enjoyable 64.9°F (18.3°C) in March to a pleasant 72.9°F (22.7°C). In Sterling, the nighttime temperature averages to a cool 52.3°F (11.3°C) during April.

Humidity

The average relative humidity in April in Sterling is 65%.

Rainfall

In Sterling, Oklahoma, in April, it is raining for 11.6 days, with typically 2.76" (70mm) of accumulated precipitation. Throughout the year, in Sterling, there are 110.6 rainfall days, and 21.65" (550mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Sterling, Oklahoma. During 0.1 snowfall days, in April, Sterling aggregates 0.04" (1mm) of snow. Throughout the year, there are 5.5 snowfall days, and 2.76" (70mm) of snow is accumulated.

Daylight

In Sterling, the average length of the day in April is 13h and 5min.
On the first day of April, sunrise is at 7:18 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:42 am and sunset at 8:17 pm CDT.

Sunshine

In April, the average sunshine in Sterling, Oklahoma, is 8.7h.

UV index

In April, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 5 in April translates into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Feb 13, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What are April temperatures in Sterling?

In April, the average high-temperature and low-temperature in Sterling are 72.9°F (22.7°C) and 52.3°F (11.3°C) respectively.

What is the average humidity in April in Sterling?

The average relative humidity in April in Sterling is 65%.

How many days does it rain in April in Sterling?

In Sterling, Oklahoma, in April, during 11.6 rainfall days, 2.76" (70mm) of precipitation is typically accumulated.

What is the last month it snows in Sterling?

April is the last month it regularly snows in Sterling. During 0.1 snowfall days, in April, Sterling aggregates 0.04" (1mm) of snow.

How many hours of daylight does Sterling have in April?

The average day length in April in Sterling, Oklahoma, is 13h and 5min.

When are sunrise and sunset in April in Sterling?

In April, on the first day of the month, sunrise is at 7:18 am and sunset at 7:54 pm. On the last day of the month, in Sterling, sunrise is at 6:42 am and sunset at 8:17 pm CDT.

How long on average sun shines in April in Sterling?

In April, the average sunshine duration in Sterling is 8.7h.

How high is the UV index in April in Sterling?

In Sterling, Oklahoma, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Sterling, OK

Average temperature in April - Sterling, OK
  • Average high temperature in April: 72.9°F

The warmest months (with the highest average high temperature) are July and August (95.5°F).
The month with the lowest average high temperature is December (51.3°F).

  • Average low temperature in April: 52.3°F

The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

Average pressure in April
Sterling, OK

Average pressure in April - Sterling, OK
  • Average pressure in April: 29.9"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in April
Sterling, OK

Average wind speed in April - Sterling, OK
  • 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 (8.4mph).

Average humidity in April
Sterling, OK

Average humidity in April - Sterling, OK
  • Average humidity in April: 65%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (53%).

Average rainfall in April
Sterling, OK

Average rainfall in April - Sterling, OK
  • Average rainfall in April: 2.76"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (0.83").

Average rainfall days in April
Sterling, OK

Average rainfall days in April - Sterling, OK
  • Average rainfall days in April: 11.6 days

The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in April
Sterling, OK

Average snowfall in April - Sterling, OK
  • Average snowfall in April: 0.04"

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in April
Sterling, OK

Average snowfall days in April - Sterling, OK
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in April / Average sunshine in April - Sterling, OK
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 8h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in April
Sterling, OK

Average sunshine days in April - Sterling, OK
  • Average sunshine days in April: 16.8 days

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in April
Sterling, OK

Average UV index in April - Sterling, OK
  • Average UV index in April: 5

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

Average cloud cover in April
Sterling, OK

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

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in April
Sterling, OK

Average visibility in April - Sterling, OK
  • 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, Oklahoma, USA

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