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
Altair in April observes a minor temperature shift, with average high-temperatures adjusting from a pleasant 72°F (22.2°C) in March to a moderately hot 78.3°F (25.7°C). Throughout April, an average low-temperature of 60.3°F (15.7°C) is expected.Humidity
In April, the average relative humidity is 77%.Rainfall
In Altair, during April, the rain falls for 12.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, there are 166.4 rainfall days, and 30.71" (780mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall.Daylight
The average length of the day in April is 12h and 54min.On the first day of the month, sunrise is at 7:14 am and sunset at 7:44 pm. On the last day of April, sunrise is at 6:43 am and sunset at 8:02 pm CDT.
Sunshine
In Altair, the average sunshine in April is 7.9h.UV index
In Altair, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 5 in April suggests the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Altair in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
How many hours of daylight does Altair have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April?
Average temperature in April
Altair, TX
- Average high temperature in April: 78.3°F
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (61°F).
- Average low temperature in April: 60.3°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (45°F).
Average pressure in April
Altair, TX
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Altair, TX
- Average wind speed in April: 8.7mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).
Average humidity in April
Altair, TX
- Average humidity in April: 77%
The months with the highest relative humidity are February, March, May and June (78%).
The month with the lowest relative humidity is August (71%).
Average rainfall in April
Altair, TX
- Average rainfall in April: 2.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest months (with the least rainfall) are January and February (1.46").
Average rainfall days in April
Altair, TX
- Average rainfall days in April: 12.9 days
The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in April
Altair, TX
- Average snowfall in April: 0"
The months with the highest snowfall are January and December (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Altair, TX
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
Altair, TX
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in April: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in April
Altair, TX
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is September (8.8 days).
Average UV index in April
Altair, TX
- 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 3).
Average cloud cover in April
Altair, TX
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Altair, TX
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, August, September, October, November and December (6mi).
The months with the lowest visibility are May, June and July (5mi).
Altair, Texas, USA
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