January weather forecast and climate
Houston, AR

Weather in January

January, the same as December, in Houston, Arkansas, is a frosty winter month, with average temperature fluctuating between 47.7°F (8.7°C) and 32°F (0°C).

Temperature

With an average high-temperature of 47.7°F (8.7°C) and an average low-temperature of 32°F (0°C), January is the coldest month.

Humidity

The average relative humidity in Houston is 75%.

Rainfall

In Houston, during January, the rain falls for 9.7 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Houston, during the entire year, the rain falls for 153.8 days and collects up to 36.18" (919mm) of precipitation.

Snowfall

Months with snowfall in Houston are January through March, November and December. In January, in Houston, it is snowing for 1.7 days. Throughout January, 0.55" (14mm) of snow is accumulated. Throughout the year, in Houston, there are 4.8 snowfall days, and 2.68" (68mm) of snow is accumulated.

Daylight

The average length of the day in Houston is 10.1h.

Sunshine

The average sunshine in January is 5.4h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Houston, Arkansas. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Houston?

January is the coldest month, with an average high-temperature of 47.7°F (8.7°C) and an average low-temperature of 32°F (0°C).

What is the temperature in January in Houston?

In Houston, Arkansas, in January, the average high-temperature is 47.7°F (8.7°C), and the average low-temperature is 32°F (0°C).

What is the average humidity in January in Houston?

The average relative humidity in January in Houston, Arkansas, is 75%.

How many days does it rain in January in Houston?

In Houston, during January, the rain falls for 9.7 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How much does it snow in Houston in January?

In Houston, in January, during 1.7 snowfall days, 0.55" (14mm) of snow is typically accumulated.

How many hours of daylight does Houston have in January?

In Houston, Arkansas, the average length of the day in January is 10.1h.

How long on average sun shines in January in Houston?

In January, the average sunshine in Houston, Arkansas, is 5.4h.

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

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Houston.

What is the UV index reading in January in Houston?

The average daily maximum UV index in January in Houston, Arkansas, is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to the UV radiation.

Average temperature in January
Houston, AR

Average temperature in January - Houston, AR
  • Average high temperature in January: 47.7°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (47.7°F).

  • Average low temperature in January: 32°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in January
Houston, AR

Average pressure in January - Houston, AR
  • Average pressure in January: 30.17"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in January
Houston, AR

Average wind speed in January - Houston, AR
  • Average wind speed in January: 6.6mph

The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in January
Houston, AR

Average humidity in January - Houston, AR
  • Average humidity in January: 75%

The month with the highest relative humidity is March (79%).
Months with the lowest relative humidity are July and October (72%).

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Average rainfall in January
Houston, AR

Average rainfall in January - Houston, AR
  • Average rainfall in January: 2.36"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in January
Houston, AR

Average rainfall days in January - Houston, AR
  • Average rainfall days in January: 9.7 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (9.7 days).

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Average snowfall in January
Houston, AR

Average snowfall in January - Houston, AR
  • Average snowfall in January: 0.55"

The month with the highest snowfall is February (0.91").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Houston, AR

Average snowfall days in January - Houston, AR
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is January (1.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Houston, AR

Average daylight in January / Average sunshine in January - Houston, AR
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 5.4h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 5.3h).

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Average sunshine days in January
Houston, AR

Average sunshine days in January - Houston, AR
  • Average sunshine days in January: 18.9 days

The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in January
Houston, AR

Average UV index in January - Houston, AR
  • Average UV index in January: 2

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in January
Houston, AR

Average cloud cover in January - Houston, AR
  • Average cloud cover in January: 39

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in January
Houston, AR

Average visibility in January - Houston, AR
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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