April weather forecastSylvester, TX
April
Weather in April
April is a warm spring month in Sylvester, Texas, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 79.9°F (26.6°C).Temperature
Sylvester observes a slight ascent in average high-temperatures during April, adjusting from a pleasant 71.8°F (22.1°C) in March to a moderately hot 79.9°F (26.6°C). During April nights, Sylvester documents a marked contrast from daily highs, with an average temperature of 56.1°F (13.4°C).Humidity
In Sylvester, Texas, the average relative humidity in April is 48%.Rainfall
In April, in Sylvester, the rain falls for 8.3 days. Throughout April, 1.42" (36mm) of precipitation is accumulated. Throughout the year, there are 87.8 rainfall days, and 14.92" (379mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Sylvester. April is the last month it regularly snows in Sylvester. During 0.2 snowfall days, in April, Sylvester aggregates 0.04" (1mm) of snow. Throughout the year, there are 5.1 snowfall days, and 3.03" (77mm) of snow is accumulated.Daylight
In Sylvester, Texas, the average length of the day in April is 13h and 1min.On the first day of April, sunrise is at 7:27 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:22 pm CDT.
Sunshine
In April, the average sunshine is 9.1h.UV index
In Sylvester, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 5 during April translates into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sylvester, TX
- Average high temperature in April: 79.9°F
The warmest month (with the highest average high temperature) is August (96.6°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in April: 56.1°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in April
Sylvester, TX
- Average pressure in April: 29.88"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Sylvester, TX
- Average wind speed in April: 13.8mph
The windiest month (with the highest average wind speed) is April (13.8mph).
The calmest month (with the lowest average wind speed) is September (9.9mph).
Average humidity in April
Sylvester, TX
- Average humidity in April: 48%
The months with the highest relative humidity are September and December (55%).
The month with the lowest relative humidity is August (44%).
Average rainfall in April
Sylvester, TX
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and February (0.59").
Average rainfall days in April
Sylvester, TX
- Average rainfall days in April: 8.3 days
The month with the highest number of rainy days is September (11.7 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in April
Sylvester, TX
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Sylvester, TX
- Average snowfall days in April: 0.2 days
The month with the highest number of snowfall days is February (1.7 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
Sylvester, TX
- Average daylight in April: 13h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).
Average sunshine days in April
Sylvester, TX
- Average sunshine days in April: 19.5 days
The month with the most sunshine days is January (26.7 days).
The month with the least sunshine days is September (16.1 days).
Average UV index in April
Sylvester, TX
- 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 3).
Average cloud cover in April
Sylvester, TX
- Average cloud cover in April: 23
The months with the most cloud cover are March, September and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in April
Sylvester, 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).





