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
Entering April, Sumner notices a subtle temperature elevation, with the average high-temperature advancing from March's refreshing 61.7°F (16.5°C) to a pleasant 69.4°F (20.8°C). Sumner anticipates an average minimum temperature of 50°F (10°C) in the month of April.Humidity
In April, the average relative humidity is 69%.Rainfall
In Sumner, during April, the rain falls for 13.3 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Sumner, during the entire year, the rain falls for 119.3 days and collects up to 23.27" (591mm) of precipitation.Snowfall
In Sumner, Oklahoma, snow does not fall in April through October.Daylight
The average length of the day in April is 13h and 8min.On the first day of April, sunrise is at 7:13 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:15 pm CDT.
Sunshine
The average sunshine in April is 8.7h.UV index
In Sumner, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in April translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
How much does it rain in April?
When it does not snow?
Does it snow in Sumner in April?
How many hours of daylight does Sumner have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Sumner, OK
- Average high temperature in April: 69.4°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in April: 50°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in April
Sumner, 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
Sumner, OK
- Average wind speed in April: 11.6mph
The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in April
Sumner, OK
- Average humidity in April: 69%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (61%).
Average rainfall in April
Sumner, OK
- Average rainfall in April: 2.64"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in April
Sumner, OK
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in April
Sumner, OK
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Sumner, OK
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.8 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
Sumner, 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: 8h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in April
Sumner, OK
- Average sunshine days in April: 15 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (13.9 days).
Average UV index in April
Sumner, 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
Sumner, OK
- Average cloud cover in April: 35
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are June and August (Cloud cover 19).
Average visibility in April
Sumner, 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).
Sumner, Oklahoma, USA
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