Climate and monthly weather forecast
Marathon, TX

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Weather in January

January, like December, is another refreshing winter month in Marathon, Texas, with an average temperature ranging between min 37.4°F (3°C) and max 56.8°F (13.8°C). Marathon records the coldest temperatures in January, averaging a high of 56.8°F (13.8°C) and a low of 37.4°F (3°C). Weather in January »

Weather in February

The last month of the winter, February, is a comfortable month in Marathon, Texas, with an average temperature varying between 63°F (17.2°C) and 41.5°F (5.3°C). In Marathon, the average high-temperature in February slightly increases from a mild 56.8°F (13.8°C) in January to an enjoyable 63°F (17.2°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Marathon, Texas, with an average temperature fluctuating between 48.4°F (9.1°C) and 70.5°F (21.4°C). In March, the average high-temperature marginally rises from a refreshing 63°F (17.2°C) in February to an agreeable 70.5°F (21.4°C). Weather in March »

Weather in April

April is a moderately hot spring month in Marathon, Texas, with an average temperature fluctuating between 54.3°F (12.4°C) and 77.2°F (25.1°C). As Marathon transitions into April, a marginal rise in the average high-temperature is observed, moving from a pleasant 70.5°F (21.4°C) in March to a moderately hot 77.2°F (25.1°C). Weather in April »

Weather in May

May, the last month of the spring in Marathon, is another warm month, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 83.7°F (28.7°C). Marathon's weather in May shows a minor rise in the average high-temperature, moving slightly up from April's 77.2°F (25.1°C) to a still warm 83.7°F (28.7°C). Weather in May »

Weather in June

June, the first month of the summer in Marathon, is a hot month, with an average temperature varying between 68.5°F (20.3°C) and 90°F (32.2°C). June is the month that records the highest temperatures, with averages ranging from a high of 90°F (32.2°C) to a low of 68.5°F (20.3°C). The heat index value during June is calculated to be a tropical 91.4°F (33°C). Weather in June »

Weather in July

July, the same as June, in Marathon, Texas, is another hot summer month, with an average temperature fluctuating between 87.4°F (30.8°C) and 69.4°F (20.8°C). The commencement of July records an average high-temperature of a still hot 87.4°F (30.8°C), barely varying from June's 90°F (32.2°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Marathon, Texas, with an average temperature varying between 69.4°F (20.8°C) and 88°F (31.1°C). As August unfolds, the average high-temperature reaches a still hot 88°F (31.1°C), hinting at a slight fluctuation from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Marathon, Texas, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C). The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a hot 88°F (31.1°C) to a warm 81.1°F (27.3°C). Weather in September »

Weather in October

October, like September, in Marathon, Texas, is another warm autumn month, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 55.2°F (12.9°C). Transitioning from September to October involves a subtle drop in average high-temperatures, descending from 81.1°F (27.3°C) to a still warm 74.5°F (23.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Marathon, is also an enjoyable month, with an average temperature fluctuating between 44.4°F (6.9°C) and 64.8°F (18.2°C). As Marathon enters November, the average high-temperature decreases from the a warm 74.5°F (23.6°C) of October to a comfortable 64.8°F (18.2°C). Weather in November »

Weather in December

December, the first month of the winter in Marathon, is still a refreshing month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 57.7°F (14.3°C). The arrival of December corresponds with a light shift in temperature, down from a comfortable 64.8°F (18.2°C) in November to a still refreshing 57.7°F (14.3°C). Weather in December »
Updated: Feb 14, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the coldest month in Marathon?

In Marathon, January registers the lowest temperatures, averaging 56.8°F (13.8°C) at the peak and 37.4°F (3°C) at the lowest.

How many days does it rain in Marathon?

Throughout the year, in Marathon, there are 87.6 rainfall days, and 10.83" (275mm) of precipitation is accumulated.

When does it snow in Marathon?

Months with snowfall are January through March, October through December.

What is the snowiest month 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 many days does it snow in Marathon?

Throughout the year, in Marathon, there are 4.7 snowfall days, and 2.2" (56mm) of snow is accumulated.

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

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

What is the driest month in Marathon?

The month with the least rainfall in Marathon, Texas, is February, when the rain falls for 2.2 days and typically collects 0.2" (5mm) of precipitation.

When is Daylight Saving Time (DST) in Marathon?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Marathon, Texas, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Marathon?

With an average relative humidity of 29%, April is the least humid month in Marathon.

When it does not snow in Marathon?

April through September are months without snowfall in Marathon.

When is the highest UV index in Marathon?

May through July, with an average maximum UV index of 7, are months with the highest UV index in Marathon.

What are the warmest months in Marathon?

Marathon's warmest month, June, generally records average temperatures ranging from a high of 90°F (32.2°C) to a low of 68.5°F (20.3°C).

When are the longest days in Marathon?

The month with the longest days in Marathon, Texas, is June, with an average of 14h and 6min of daylight.

What month has the most sunshine in Marathon?

June has the most sunshine of the year, with an average of 11.9h of sunshine.

What is the most humid month in Marathon?

With an average relative humidity of 56%, September is the most humid month in Marathon.

What is the rainiest month in Marathon?

September is the month with the most rainfall. Rain falls for 14 days and accumulates 2.01" (51mm) of precipitation.

What is the month with the shortest days in Marathon?

December has the shortest days of the year in Marathon, with an average of 10h and 12min of daylight.

What is the month with the least sunshine in Marathon?

December has the least sunshine of the year in Marathon, with an average of 7.7h of sunshine.

Average temperature
Marathon, TX

Average temperature - Marathon, TX

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).

The 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).

Average pressure
Marathon, TX

Average pressure - Marathon, TX

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

Average wind speed
Marathon, TX

Average wind speed - Marathon, TX

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).

Average humidity
Marathon, TX

Average humidity - Marathon, TX

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

Average rainfall
Marathon, TX

Average rainfall - Marathon, TX

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

Average rainfall days
Marathon, TX

Average rainfall days - Marathon, TX

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).

Average snowfall
Marathon, TX

Average snowfall - Marathon, TX

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

Average snowfall days
Marathon, TX

Average snowfall days - Marathon, TX

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

Average daylight / Average sunshine
Marathon, TX

Average daylight / Average sunshine - Marathon, TX

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).

Average sunshine days
Marathon, TX

Average sunshine days - Marathon, TX

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

Average UV index
Marathon, TX

Average UV index - Marathon, TX

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

Average visibility
Marathon, TX

Average visibility - Marathon, TX

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

Marathon, Texas, USA

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