Monthly 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
January, the same as December, is another enjoyable winter month in Houston, Texas, with average temperature varying between 46°F (7.8°C) and 61.3°F (16.3°C). The coldest month is January, with an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 46°F (7.8°C). Weather in January »

February, the last month of the winter, in Houston, is another comfortable month, with average temperature ranging between min 50.5°F (10.3°C) and max 65.3°F (18.5°C). In February, the average high-temperature is essentially the same as in January - a still enjoyable 65.3°F (18.5°C). Weather in February »

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). 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). Weather in March »

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). 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). Weather in April »

The last month of the spring, May, is another warm month in Houston, Texas, with average temperature ranging between min 70°F (21.1°C) and max 85.8°F (29.9°C). In Houston, the average high-temperature slightly increases, from 78.8°F (26°C) in April, to a still moderately hot 85.8°F (29.9°C). Weather in May »

The first month of the summer, June, is a hot month in Houston, Texas, with average temperature fluctuating between 91°F (32.8°C) and 75.4°F (24.1°C). In June, the average high-temperature is essentially the same as in May - a tropical 91°F (32.8°C). Weather in June »

July, like June, is another tropical summer month in Houston, Texas, with average temperature ranging between min 77.2°F (25.1°C) and max 93.4°F (34.1°C). In July, the average high-temperature is relatively the same as in June - a still tropical 93.4°F (34.1°C). Weather in July »

August, the last month of the summer, in Houston, is another tropical month, with average temperature varying between 94.3°F (34.6°C) and 77.5°F (25.3°C). The warmest month is August, with an average high-temperature of 94.3°F (34.6°C) and an average low-temperature of 77.5°F (25.3°C). In August, the average heat index is evaluated at a burning hot 120°F (48.9°C). Weather in August »

The first month of the autumn, September, is still a hot month in Houston, Texas, with temperature in the range of an average high of 88.3°F (31.3°C) and an average low of 72.7°F (22.6°C). In Houston, the average high-temperature in September marginally drops, from a tropical 94.3°F (34.6°C) in August, to a still hot 88.3°F (31.3°C). Weather in September »

October, like September, in Houston, Texas, is another warm autumn month, with average temperature fluctuating between 64.2°F (17.9°C) and 81°F (27.2°C). In Houston, the average high-temperature in October marginally drops, from a hot 88.3°F (31.3°C) in September, to a moderately hot 81°F (27.2°C). Weather in October »

The last month of the autumn, November, is also an agreeable month in Houston, Texas, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 55°F (12.8°C). In November, the average high-temperature drops, from a warm 81°F (27.2°C) in October, to an agreeable 70.3°F (21.3°C). Weather in November »

December, the first month of the winter, in Houston, is still a comfortable month, with temperature in the range of an average low of 49.6°F (9.8°C) and an average high of 63°F (17.2°C). In December, the average high-temperature marginally drops, from a pleasant 70.3°F (21.3°C) in November, to a comfortable 63°F (17.2°C). Weather in December »

What is the coldest month in Houston?

January is the coldest month in Houston, Texas, with an average high-temperature of 61.3°F (16.3°C) and an average low-temperature of 46°F (7.8°C).

How many days does it rain in Houston?

Throughout the year, in Houston, Texas, there are 180.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

When does it snow in Houston?

Months with snowfall in Houston are January and December.

How much does it snow in Houston?

Throughout the year, there are 0.2 snowfall days, and 0.12" (3mm) of snow is accumulated.

What is the most humid month in Houston?

With an average relative humidity of 78%, February is the most humid month.

What is the driest month in Houston?

The month with the least rainfall is February when the rain falls for 13.1 days and typically collects 1.77" (45mm) of precipitation.

When it does not snow in Houston?

In Houston snow does not fall in February through November.

What is the month with the highest UV index in Houston?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Houston, Texas.

When are the longest days in Houston?

The month with the longest days is June, with an average of 14h of daylight.

What is the warmest month in Houston?

August is the warmest month in Houston, Texas, with an average high-temperature of 94.3°F (34.6°C) and an average low-temperature of 77.5°F (25.3°C).

What are the least humid months in Houston?

August and October, with an average relative humidity of 70%, are the least humid months in Houston.

What month has the most sunshine in Houston?

August has the most sunshine of the year in Houston, Texas, with an average of 10.5h of sunshine.

What is the rainiest month in Houston?

The month with the most rainfall in Houston, Texas, is September when the rain falls for 19.5 days and typically aggregates up to 4.49" (114mm) of precipitation.

When does it snow the most in Houston?

The month with the most snowfall in Houston is December when snow falls for 0.1 days and typically aggregates up to 0.08" (2mm) of snow.

What is the month with the shortest days in Houston?

With an average of 10.3h of daylight, December has the shortest days of the year in Houston, Texas.

What is the month with the least sunshine in Houston?

The month with the least sunshine in Houston is December, with an average of 4.8h of sunshine.

What is the month with the lowest UV index in Houston?

With an average maximum UV index of 3, December is the month with the lowest UV index.
Average pressure - Houston, TX

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 - Houston, TX

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 - Houston, TX
Average rainfall - Houston, TX

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 - Houston, TX

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 - Houston, TX

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 - Houston, TX

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 / Average sunshine - Houston, TX

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

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 - Houston, TX

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 visibility - Houston, TX

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).