January weather forecast
Marathon, TX

Weather in January

January, the same as December, in Marathon, Texas, is another mild winter month, with average temperature varying between 37.4°F (3°C) and 56.8°F (13.8°C).

Temperature

January is the coldest month, with an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 37.4°F (3°C).

Humidity

The average relative humidity in Marathon is 44%.

Rainfall

In Marathon, during January, the rain falls for 3.3 days and regularly aggregates up to 0.31" (8mm) of precipitation. In Marathon, during the entire year, the rain falls for 87.6 days and collects up to 10.83" (275mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall. The month with the most snowfall in Marathon, Texas, is January when snow falls for 1.4 days and typically aggregates up to 0.67" (17mm) of snow.

Daylight

In Marathon, Texas, the average length of the day is 10.5h.

Sunshine

In January, the average sunshine in Marathon is 9.3h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the ordinary person.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Marathon?

January is the coldest month, with an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 37.4°F (3°C).

What is the average humidity in January in Marathon?

The average relative humidity in January is 44%.

How many days does it rain in January in Marathon?

In Marathon, Texas, in January, it is raining for 3.3 days, with typically 0.31" (8mm) of accumulated precipitation.

When does it snow the most in Marathon?

The month with the most snowfall is January when snow falls for 1.4 days and typically aggregates up to 0.67" (17mm) of snow.

How much does it snow in Marathon in January?

In Marathon, in January, snow falls for 1.4 days, with typically accumulated 0.67" (17mm) of snow.

What is the average length of the day in January in Marathon?

In Marathon, the average length of the day in January is 10.5h.

How long on average sun shines in January in Marathon?

In Marathon, Texas, the average sunshine in January is 9.3h.

When is the lowest UV index in Marathon?

Months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the UV index intensity in January in Marathon?

The average daily maximum UV index in January in Marathon is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in January
Marathon, TX

Average temperature in January - Marathon, TX
  • Average high temperature in January: 56.8°F

The warmest month (with the highest average high temperature) is June (90°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in January: 37.4°F

Months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

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Average pressure in January
Marathon, TX

Average pressure in January - Marathon, TX
  • Average pressure in January: 30.12"

The month with the highest atmospheric pressure is January (30.12").
Months with the lowest atmospheric pressure are May and June (29.84").

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Average wind speed in January
Marathon, TX

Average wind speed in January - Marathon, TX
  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

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Average humidity in January
Marathon, TX

Average humidity in January - Marathon, TX
  • Average humidity in January: 44%

The month with the highest relative humidity is September (56%).
The month with the lowest relative humidity is April (29%).

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Average rainfall in January
Marathon, TX

Average rainfall in January - Marathon, TX
  • Average rainfall in January: 0.31"

The wettest month (with the highest rainfall) is September (2.01").
The driest month (with the least rainfall) is February (0.2").

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Average rainfall days in January
Marathon, TX

Average rainfall days in January - Marathon, TX
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (2.2 days).

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Average snowfall in January
Marathon, TX

Average snowfall in January - Marathon, TX
  • Average snowfall in January: 0.67"

The month with the highest snowfall is January (0.67").
Months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in January
Marathon, TX

Average snowfall days in January - Marathon, TX
  • Average snowfall days in January: 1.4 days

The month with the highest number of snowfall days is December (1.6 days).
Months with the least snowfall days are April, May, June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Marathon, TX

Average daylight in January / Average sunshine in January - Marathon, TX
  • Average daylight in January: 10.5h

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in January: 9.3h

The month with the most sunshine is June (Average sunshine: 11.9h).
The month with the least sunshine is December (Average sunshine: 7.7h).

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Average sunshine days in January
Marathon, TX

Average sunshine days in January - Marathon, TX
  • Average sunshine days in January: 26.8 days

The month with the most sunshine days is January (26.8 days).
The month with the least sunshine days is July (11.7 days).

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Average UV index in January
Marathon, TX

Average UV index in January - Marathon, TX
  • Average UV index in January: 3

Months with the highest UV index are May, June and July (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in January
Marathon, TX

Average cloud cover in January - Marathon, TX
  • Average cloud cover in January: 16

The month with the most cloud cover is September (Cloud cover 22).
The month with the least cloud cover is June (Cloud cover 12).

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Average visibility in January
Marathon, TX

Average visibility in January - Marathon, TX
  • Average visibility in January: 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).

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