Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The arrival of April introduces a minor uplift in high-temperatures, adjusting from an enjoyable 62.8°F (17.1°C) in March to an agreeable 70.3°F (21.3°C). Despite the drastic temperature difference, Knowles records an average nighttime low of 47.8°F (8.8°C) throughout April.Humidity
In Knowles, the average relative humidity in April is 50%.Rainfall
In Knowles, during April, the rain falls for 10.1 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Knowles, during the entire year, the rain falls for 103 days and collects up to 16.42" (417mm) of precipitation.Snowfall
Months with snowfall in Knowles are January through April, October through December. April is the last month it regularly snows. During 0.7 snowfall days, in April, Knowles aggregates 0.28" (7mm) of snow. Throughout the year, there are 16 snowfall days, and 6.81" (173mm) of snow is accumulated.Daylight
In April, the average length of the day in Knowles is 13h and 10min.On the first day of the month, sunrise is at 7:25 am and sunset at 8:03 pm. On the last day of April, sunrise is at 6:46 am and sunset at 8:29 pm CDT.
Sunshine
The average sunshine in April is 9h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in April translates into this advice:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Knowles in April?
What is the average humidity in April?
How much does it rain in Knowles in April?
What is the last month it snows?
How many hours of daylight does Knowles have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April in Knowles?
Average temperature in April
Knowles, OK
- Average high temperature in April: 70.3°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (47.3°F).
- Average low temperature in April: 47.8°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in April
Knowles, OK
- Average pressure in April: 29.88"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Knowles, OK
- Average wind speed in April: 14.1mph
The windiest month (with the highest average wind speed) is April (14.1mph).
The calmest month (with the lowest average wind speed) is January (11.1mph).
Average humidity in April
Knowles, OK
- Average humidity in April: 50%
The month with the highest relative humidity is December (58%).
The month with the lowest relative humidity is July (48%).
Average rainfall in April
Knowles, OK
- Average rainfall in April: 1.81"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in April
Knowles, OK
- Average rainfall days in April: 10.1 days
The month with the highest number of rainy days is July (14.6 days).
The months with the least rainy days are January and December (3.3 days).
Average snowfall in April
Knowles, OK
- Average snowfall in April: 0.28"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Knowles, OK
- Average snowfall days in April: 0.7 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Knowles, OK
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in April
Knowles, OK
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is January (25 days).
The months with the least sunshine days are July and August (12.9 days).
Average UV index in April
Knowles, OK
- Average UV index in April: 4
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
Knowles, OK
- Average cloud cover in April: 28
The month with the most cloud cover is April (Cloud cover 28).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in April
Knowles, 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).
Knowles, Oklahoma, USA
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