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 shift from March to April is marked by a slight increase in the average high-temperature, moving from a comfortable 63.3°F (17.4°C) to an agreeable 71.1°F (21.7°C). During April, Iona observes a consistent average nighttime temperature of 52.5°F (11.4°C).Humidity
In Iona, the average relative humidity in April is 72%.Rainfall
In Iona, during April, the rain falls for 12.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 129 rainfall days, and 27.91" (709mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows in Iona. During 0.1 snowfall days, in April, Iona aggregates 0.04" (1mm) of snow. In Iona, during the entire year, snow falls for 5.3 days and aggregates up to 2.6" (66mm) of snow.Daylight
The average length of the day in April is 13h and 5min.On the first day of April in Iona, sunrise is at 7:13 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 8:12 pm CDT.
Sunshine
In Iona, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 5 in April translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
How many hours of daylight does Iona have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Iona have in April?
What is the UV index intensity in April?
Average temperature in April
Iona, OK
- Average high temperature in April: 71.1°F
The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).
- Average low temperature in April: 52.5°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in April
Iona, OK
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Iona, OK
- Average wind speed in April: 11.1mph
The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in April
Iona, OK
- Average humidity in April: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).
Average rainfall in April
Iona, OK
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in April
Iona, OK
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in April
Iona, OK
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Iona, OK
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (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
Iona, OK
- Average daylight in April: 13h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Iona, OK
- Average sunshine days in April: 16.2 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in April
Iona, 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
Iona, OK
- Average cloud cover in April: 39
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in April
Iona, 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).
Iona, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location