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
April's onset brings a minor rise in the average high-temperature, moving from a comfortable 62.8°F (17.1°C) in March to a pleasant 70°F (21.1°C). Throughout April, an average low-temperature of 51.4°F (10.8°C) is expected in Johnson.Humidity
In April, the average relative humidity in Johnson is 71%.Rainfall
In Johnson, Oklahoma, in April, it is raining for 12.9 days, with typically 2.76" (70mm) of accumulated precipitation. In Johnson, Oklahoma, during the entire year, the rain falls for 123.4 days and collects up to 25.87" (657mm) of precipitation.Snowfall
Months with snowfall in Johnson are January through April, November and December. April is the last month it regularly snows. During 0.1 snowfall days, in April, Johnson aggregates 0.04" (1mm) of snow. In Johnson, during the entire year, snow falls for 6.5 days and aggregates up to 3.66" (93mm) of snow.Daylight
The average length of the day in April is 13h and 7min.On the first day of April in Johnson, Oklahoma, sunrise is at 7:12 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 8:13 pm CDT.
Sunshine
In Johnson, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 in April translates into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are April temperatures in Johnson?
What is the average humidity in April in Johnson?
How many days does it rain in April in Johnson?
What is the last month it snows in Johnson?
What is the average length of the day in April in Johnson?
When is the sunrise / sunset in April in Johnson?
How many hours of sunshine does Johnson have in April?
What is the UV index intensity in April in Johnson?
Average temperature in April
Johnson, OK
- Average high temperature in April: 70°F
The warmest month (with the highest average high temperature) is August (92.3°F).
The month with the lowest average high temperature is January (48.6°F).
- Average low temperature in April: 51.4°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 (32.5°F).
Average pressure in April
Johnson, 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 (29.88"Hg).
Average wind speed in April
Johnson, OK
- Average wind speed in April: 11.5mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.9mph).
Average humidity in April
Johnson, OK
- Average humidity in April: 71%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (63%).
Average rainfall in April
Johnson, OK
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is May (4.06").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in April
Johnson, OK
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in April
Johnson, OK
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Johnson, OK
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (2.3 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
Johnson, 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 48min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in April
Johnson, OK
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is January (23.7 days).
The month with the least sunshine days is May (14.7 days).
Average UV index in April
Johnson, 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
Johnson, OK
- Average cloud cover in April: 36
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in April
Johnson, 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).
Johnson, Oklahoma, USA
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