April weather forecast
Houston, TX

A beautiful park in Root square overlooking the central business district of Houston, Texas, USA
A beautiful park in Root square overlooking the central business district of Houston, Texas, USA

Weather in April

April in Houston, Texas, is a moderately hot spring month, with an average temperature varying between 78.8°F (26°C) and 62.2°F (16.8°C).

Temperature

In April, the average high-temperature marginally rises from a pleasant 72.1°F (22.3°C) in March to a moderately hot 78.8°F (26°C). In Houston, the average low-temperature is 62.2°F (16.8°C).

Humidity

The average relative humidity in April in Houston is 74%.

Rainfall

In Houston, Texas, during April, the rain falls for 14.5 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

In Houston, snow does not fall in February through November.

Daylight

In Houston, the average length of the day in April is 12h and 55min.
On the first day of the month, sunrise is at 7:10 am and sunset at 7:40 pm. On the last day of April, sunrise is at 6:39 am and sunset at 7:57 pm CDT.

Sunshine

The average sunshine in April in Houston is 8.3h.

UV index

The average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in April in Houston?

In Houston, Texas, the average relative humidity in April is 74%.

How much does it rain in Houston in April?

In Houston, Texas, in April, it is raining for 14.5 days, with typically 2.36" (60mm) of accumulated precipitation.

When it does not snow in Houston?

February through November are months without snowfall.

How many hours of daylight does Houston have in April?

The average day length in April in Houston, Texas, is 12h and 55min.

When are sunrise and sunset in April in Houston?

In April, on the first day of the month, sunrise is at 7:10 am and sunset at 7:40 pm. On the last day of the month, in Houston, Texas, sunrise is at 6:39 am and sunset at 7:57 pm CDT.

How many hours of sunshine does Houston have in April?

In Houston, Texas, the average sunshine duration in April is 8.3h.

How high is the UV index in April in Houston?

The average daily maximum UV index in April in Houston is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.

Average temperature in April
Houston, TX

Average temperature in April - Houston, TX
  • Average high temperature in April: 78.8°F

The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in April: 62.2°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure in April
Houston, TX

Average pressure in April - Houston, TX
  • Average pressure in April: 29.96"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in April
Houston, TX

Average wind speed in April - Houston, TX
  • Average wind speed in April: 8.6mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).

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Average humidity in April
Houston, TX

Average humidity in April - Houston, TX
  • Average humidity in April: 74%

The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are August and October (70%).

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Average rainfall in April
Houston, TX

Average rainfall in April - Houston, TX
  • Average rainfall in April: 2.36"

The wettest month (with the highest rainfall) is September (4.49").
The driest month (with the least rainfall) is February (1.77").

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Average rainfall days in April
Houston, TX

Average rainfall days in April - Houston, TX
  • Average rainfall days in April: 14.5 days

The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is January (11.8 days).

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Average snowfall in April
Houston, TX

Average snowfall in April - Houston, TX
  • Average snowfall in April: 0"

The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in April
Houston, TX

Average snowfall days in April - Houston, TX
  • Average snowfall days in April: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in April /
Average sunshine in April
Houston, TX

Average daylight in April / Average sunshine in April - Houston, TX
  • Average daylight in April: 12h and 55min

The month with the longest days is June (Average daylight: 14h and 2min).
The month with the shortest days is December (Average daylight: 10h and 16min).

  • Average sunshine in April: 8.3h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 4.8h).

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Average sunshine days in April
Houston, TX

Average sunshine days in April - Houston, TX
  • Average sunshine days in April: 12.8 days

The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.9 days).

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Average UV index in April
Houston, TX

Average UV index in April - Houston, TX
  • Average UV index in April: 6

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).

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Average cloud cover in April
Houston, TX

Average cloud cover in April - Houston, TX
  • Average cloud cover in April: 42

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in April
Houston, TX

Average visibility in April - Houston, 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).

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