March 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
The first month of the spring, March, is a pleasant month in Houston, Texas, with temperature in the range of an average low of 56.7°F (13.7°C) and an average high of 72.1°F (22.3°C).

Temperature

In March, the average high-temperature slightly increases, from an enjoyable 65.3°F (18.5°C) in February, to an agreeable 72.1°F (22.3°C). The average low-temperature, in March, is 56.7°F (13.7°C).

Humidity

In March, the average relative humidity is 76%.

Rainfall

In March, in Houston, the rain falls for 13.8 days. Throughout March, 2.09" (53mm) of precipitation is accumulated. Throughout the year, in Houston, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

February through November are months without snowfall in Houston.

Daylight

The average length of the day in Houston is 12h.

Sunshine

In Houston, Texas, the average sunshine in March is 6.8h.

UV index

In March, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for the average person.
Note: In March, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in March in Houston?

The average high-temperature, in March, in Houston, Texas, is 72.1°F (22.3°C), while the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in March in Houston?

In Houston, Texas, the average relative humidity in March is 76%.

How many days does it rain in March in Houston?

In Houston, in March, during 13.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow in Houston?

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

How many hours of daylight does Houston have in March?

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

How many hours of sunshine does Houston have in March?

The average sunshine in March in Houston is 6.8h.

How high is the UV index in March in Houston?

In March, the average daily maximum UV index in Houston, Texas, is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in March - Houston, TX
  • Average high temperature in March: 72.1°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 March: 56.7°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 March - Houston, TX
  • Average pressure in March: 30.05"

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 March - Houston, TX
  • Average wind speed in March: 8.2mph

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 March - Houston, TX
  • Average humidity in March: 76%

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

Average rainfall in March - Houston, TX
  • Average rainfall in March: 2.09"

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 March - Houston, TX
  • Average rainfall days in March: 13.8 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 March - Houston, TX
  • Average snowfall in March: 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 March - Houston, TX
  • Average snowfall days in March: 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 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 the shortest days is December (Average daylight: 10.3h).

  • Average sunshine in March: 6.8h

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 March - Houston, TX
  • Average sunshine days in March: 14.7 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 March - Houston, TX
  • Average UV index in March: 5

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 March - Houston, TX
  • Average cloud cover in March: 47

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 March - Houston, TX
  • Average visibility in March: 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).