Houston
Texas, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Houston, TX

A beautiful park in Root square overlooking the central business district of Houston, Texas
A beautiful park in Root square overlooking the central business district of Houston, Texas
March is one of the best times to visit Houston as the beautiful spring season spreads its wings over the landscape. The average temperatures are in the 53.1°F (11.7°C) to 73°F (22.8°C) range with a few days retaining the mild winter cold.
Early spring brings the fresh aroma of blooming flowers with wet patches between sunny days that record 3.4" (86.4mm) of rainfall. The daily sunshine lasts a shade over 6 hours as the clouds meander in the skies.
Expect pleasant weather with a little dampness and an influx of tourists in Houston in March.

What is the temperature in March in Houston?

In March, in Houston, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 52.5°F (11.4°C).

What is the least humid month in Houston?

With an average relative humidity of 72.7%, March is the least humid month in Houston.

What is the average humidity in March in Houston?

The average relative humidity in March in Houston is 72.7%.

How many days does it rain in March in Houston?

In March, in Houston, the rain falls for 8.8 days. Throughout March, 3.4" (86.6mm) of precipitation is accumulated.

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

In March, the average length of the day in Houston is 12h.

How many hours of sunshine does Houston have in March?

In March, the average sunshine is 6.2h.

What is the UV index intensity in March in Houston?

In March, the average daily maximum UV index in Houston is 8. A UV Index reading of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays.
Average temperature in March - Houston, TX
  • Average high temperature in March: 73°F

The warmest month (with the highest average high temperature) is August (94.5°F).
The month with the lowest average high temperature is January (62.9°F).

  • Average low temperature in March: 52.5°F

The month with the highest average low temperature is July (75.1°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average humidity in March - Houston, TX
  • Average humidity in March: 72.7%

The month with the highest relative humidity is September (76.8%).
The month with the lowest relative humidity is March (72.7%).

Average rainfall in March - Houston, TX
  • Average rainfall in March: 3.4"

The wettest month (with the highest rainfall) is June (5.9").
The driest month (with the lowest rainfall) is February (3.2").

Average rainfall days in March - Houston, TX
  • Average rainfall days in March: 8.8 days

The month with the highest number of rainy days is June (10.6 days).
The month with the lowest number of rainy days is April (6.8 days).

Average daylight in March / Average sunshine in March - Houston, TX
  • Average daylight in March: 12h

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

  • Average sunshine in March: 6.2h

The month with most sunshine is July (Average sunshine: 9.5h).
The month with least sunshine is January (Average sunshine: 4.6h).

Average UV index in March - Houston, TX
  • Average UV index in March: 8

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).