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 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 start of April brings a subtle rise in the average high-temperature, moving from a moderately hot 78.8°F (26°C) in March to a still warm 84.7°F (29.3°C). Throughout April, Sebastian registers a consistent average low-temperature of 68.5°F (20.3°C).Heat index
The average heat index in April is appraised at a hot 91.4°F (33°C). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
The average relative humidity in April in Sebastian is 69%.Rainfall
In Sebastian, in April, during 10.2 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Sebastian, during the entire year, the rain falls for 125.2 days and collects up to 15.28" (388mm) of precipitation.Daylight
In April, the average length of the day is 12h and 48min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:48 pm. On the last day of April, in Sebastian, sunrise is at 6:53 am and sunset at 8:02 pm CDT.
Sunshine
In Sebastian, the average sunshine in April is 8.3h.UV index
In Sebastian, the average daily maximum UV index in April is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 7 during April morphs into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Sebastian in April?
What is the average humidity in April in Sebastian?
How many days does it rain in April in Sebastian?
How many hours of daylight does Sebastian have in April?
What time are sunrise and sunset in April in Sebastian?
How long on average sun shines in April in Sebastian?
How high is the UV index in April in Sebastian?
Average temperature in April
Sebastian, TX
- Average high temperature in April: 84.7°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (68.5°F).
- Average low temperature in April: 68.5°F
The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (54.1°F).
Average pressure in April
Sebastian, TX
- Average pressure in April: 29.89"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Sebastian, TX
- Average wind speed in April: 11.9mph
The windiest months (with the highest average wind speed) are April and May (11.9mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).
Average humidity in April
Sebastian, TX
- Average humidity in April: 69%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).
Average rainfall in April
Sebastian, TX
- Average rainfall in April: 0.79"
The wettest month (with the highest rainfall) is September (2.64").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in April
Sebastian, TX
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is September (17.2 days).
The month with the least rainy days is July (7.4 days).
Average daylight in April /
Average sunshine in April
Sebastian, TX
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Sebastian, TX
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is July (22.1 days).
The month with the least sunshine days is September (10.6 days).
Average UV index in April
Sebastian, TX
- Average UV index in April: 7
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in April
Sebastian, TX
- Average cloud cover in April: 37
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in April
Sebastian, TX
- 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).
Sebastian, Texas, USA
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