Climateby Month

Houston, TX weather in April

NOAA 1991-2020 normals and daily records · Houston all year

Expect mild, often humid weather with some rain in Houston in April, with highs near 79°F and lows near 62°F. Rain falls on about 8 days. Good for outdoor plans.

Normal high
79°F
Normal low
62°F
Wet days
8
4.1 in total
Muggy days
10
dew point 65°F+

How April changes from start to finish

Normal values at the start and end of April
April 1April 30
Normal high77°F82°F
Normal low59°F65°F
Chance of a wet day28%24%
Sunrise / sunset7:10 am / 7:39 pm6:39 am / 7:57 pm
Daylight12.5 h13.3 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical April day

  1. 6 am62°Fdew point 59°F
  2. 9 am70°Fdew point 60°F
  3. Noon76°Fdew point 58°F
  4. 3 pm78°Fdew point 58°F
  5. 6 pm74°Fdew point 58°F
  6. 9 pm68°Fdew point 60°F

NOAA hourly normals (local standard time) from Houston Intercont Airport (15 mi away); average wind 9 mph; clear or few clouds in 25% of daytime hours, mostly cloudy or overcast in 59%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F10 of 30
  • Hot dayshigh 90°F or more0 of 30
  • Muggy daysdaily mean dew point 65°F or more10 of 30
  • Wet daysat least 0.01 in of rain or melted snow8 of 30
  • Notable rainat least 0.10 in4 of 30
  • Freezing nightslow 32°F or below0 of 30

Average days per April, counted from daily records for each year 1991-2020.

Rain in April

Normal precipitation is 4.1 in; a dry April brings about 1.6 in and a wet one about 5.1 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How April varies from year to year

  • Warmest April, 1991-20202011: average high 84°F
  • Coolest April1997: average high 73°F
  • Wettest April2009: 15.6 in
  • Driest April2011: no measurable precipitation
  • Highest reading94°F (April 27, 2011)
  • Lowest reading38°F (April 8, 2007)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

April compared with March and May

MarchAprilMay
Normal high73°F79°F86°F
Normal low56°F62°F69°F
Wet days888
Comfortable days15102
Daylight12.0 h12.9 h13.7 h

Highs change by +6°F from March and +7°F into May.

How Houston ranks in April

  • Normal high54th warmest of 378 cities; 15th of 38 in Texas
  • Wet days181st driest of 378
  • Comfortable days200th most of 340

What to pack for Houston in April

  • A rain jacket or umbrella – rain on about 8 days

Heating and cooling

April has 22 heating degree days and 189 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.

Questions

How hot is Houston in April?

The normal high is 79°F and the normal low is 62°F. From 1991 to 2020 the hottest April reading was 94°F (April 27, 2011).

Does it rain a lot in Houston in April?

About 8 days in April have at least 0.01 in of precipitation, and the normal total is 4.1 in. The wettest April in 1991-2020 was in 2009 (15.6 in); the driest was in 2011, with no measurable precipitation.

Is April a good time to visit Houston?

April ranks 3rd of 12 months on our comfort score for Houston (64 out of 100). It has about 10 comfortable days. The best month is March.

Where the numbers come from

  • Temperature, rain and frost dates: Houston Hobby Airport (USW00012918), 9.9 mi SSE of the city center, 44 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall, snow depth, humidity and wind by hour and cloud cover: Houston Intercont Airport (USW00012960), 15 mi N of the city center, 95 ft (59 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: G Bush Intercontinental Airport/Houston Airport (722430-12960), 15 mi N of the city center, 90 ft (54 ft higher than the city). Hourly observations, 1991-2020.