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 start of April brings a subtle rise in the average high-temperature, moving from an agreeable 70.3°F (21.3°C) in March to a warm 77.5°F (25.3°C). An average nighttime temperature of 57.2°F (14°C) is observed in Castell during April.Humidity
In April, the average relative humidity is 67%.Rainfall
In Castell, during April, the rain falls for 12.1 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Castell, Texas, during the entire year, the rain falls for 123.8 days and collects up to 21.18" (538mm) of precipitation.Snowfall
March through November are months without snowfall in Castell.Daylight
In April, the average length of the day in Castell, Texas, is 12h and 56min.On the first day of April in Castell, sunrise is at 7:23 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 8:13 pm CDT.
Sunshine
In Castell, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in April translates into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Castell?
What is the average humidity in April in Castell?
How many days does it rain in April in Castell?
When it does not snow in Castell?
How many hours of daylight does Castell have in April?
When are sunrise and sunset in April in Castell?
How long on average sun shines in April in Castell?
What is the UV index reading in April in Castell?
Average temperature in April
Castell, TX
- Average high temperature in April: 77.5°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in April: 57.2°F
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in April
Castell, TX
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Castell, TX
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in April
Castell, TX
- Average humidity in April: 67%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (56%).
Average rainfall in April
Castell, TX
- Average rainfall in April: 1.89"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in April
Castell, TX
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in April
Castell, TX
- Average snowfall in April: 0"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
Castell, TX
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Castell, TX
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in April: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 5h and 42min).
Average sunshine days in April
Castell, TX
- Average sunshine days in April: 14.4 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in April
Castell, 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
Castell, TX
- Average cloud cover in April: 37
The month with the most cloud cover is May (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in April
Castell, 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).
Castell, Texas, USA
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