April weather forecast and climate
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
April is a warm spring month in Houston, Texas, with average temperature varying between 62.2°F (16.8°C) and 78.8°F (26°C).

Temperature

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

Humidity

In Houston, the average relative humidity is 74%.

Rainfall

In Houston, Texas, it is raining for 14.5 days, with typically 2.36" (60mm) of accumulated precipitation. In Houston, during the entire year, the rain falls for 180.5 days and collects up to 35.35" (898mm) of precipitation.

Snowfall

In Houston snow does not fall in February through November.

Daylight

The average length of the day in Houston is 12.9h.

Sunshine

The average sunshine in April is 8.3h.

UV index

In Houston, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for 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.

What is the temperature in April in Houston?

In Houston, Texas, in April, the average high-temperature is 78.8°F (26°C), and the average low-temperature is 62.2°F (16.8°C).

What is the average humidity in April in Houston?

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

How much does it rain in Houston in April?

In April, the rain falls for 14.5 days. Throughout April, 2.36" (60mm) of precipitation is accumulated.

When it does not snow in Houston?

February through November are months without snowfall.

What is the average length of the day in April in Houston?

In Houston, Texas, the average length of the day in April is 12.9h.

How long on average sun shines in April in Houston?

The average sunshine in April in Houston, Texas, is 8.3h.

What is the UV index reading in April in Houston?

In Houston, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation.
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).

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").

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).

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

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

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").

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).

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

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

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

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

Average daylight in April / Average sunshine in April - Houston, TX
  • Average daylight in April: 12.9h

The month with the longest days is June (Average daylight: 14h).
The month with the shortest days is December (Average daylight: 10.3h).

  • 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).

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).

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

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 - 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).

Average visibility in April - Houston, TX
  • Average visibility in April: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).