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 beginning of April marks a minor shift in the average high-temperature, moving from March's comfortable 66.7°F (19.3°C) to a warm 73.9°F (23.3°C). In April, the nighttime temperature plummets remarkably from the daily apex to a steady average of 51.8°F (11°C).Humidity
The average relative humidity in April is 59%.Rainfall
In Altus, in April, during 11.2 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 104.5 rainfall days, and 20.59" (523mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.2 snowfall days, in April, Altus aggregates 0.16" (4mm) of snow. In Altus, during the entire year, snow falls for 5.8 days and aggregates up to 2.83" (72mm) of snow.Daylight
In April, the average length of the day is 13h and 5min.On the first day of the month, sunrise is at 7:23 am and sunset at 7:58 pm. On the last day of April, sunrise is at 6:47 am and sunset at 8:21 pm CDT.
Sunshine
In Altus, the average sunshine in April is 8.9h.UV index
The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, a daily UV index of 5 turns into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature 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 Altus have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Altus have in April?
What is the UV index reading in April?
Average temperature in April
Altus, OK
- Average high temperature in April: 73.9°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (51.6°F).
- Average low temperature in April: 51.8°F
The month with the highest average low temperature is July (76.3°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in April
Altus, OK
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in April
Altus, OK
- Average wind speed in April: 12.4mph
The windiest month (with the highest average wind speed) is April (12.4mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).
Average humidity in April
Altus, OK
- Average humidity in April: 59%
The months with the highest relative humidity are May and December (60%).
The month with the lowest relative humidity is August (49%).
Average rainfall in April
Altus, OK
- Average rainfall in April: 2.99"
The wettest month (with the highest rainfall) is May (3.35").
The driest months (with the least rainfall) are February and November (0.75").
Average rainfall days in April
Altus, OK
- Average rainfall days in April: 11.2 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Altus, OK
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Altus, OK
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (2.4 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
Altus, 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 5min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in April
Altus, OK
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is January (25.9 days).
The month with the least sunshine days is August (15.1 days).
Average UV index in April
Altus, OK
- Average UV index in April: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in April
Altus, OK
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in April
Altus, 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).
Altus, Oklahoma, USA
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