Climate and monthly weather forecast
Mertens, TX

Weather in January

January, the same as December, in Mertens, Texas, is another mild winter month, with an average temperature varying between 39.7°F (4.3°C) and 55.8°F (13.2°C). January is the coldest month, with an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 39.7°F (4.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Mertens, Texas, with an average temperature ranging between min 43.2°F (6.2°C) and max 58.8°F (14.9°C). In February, the average high-temperature is almost the same as in January - a still mild 58.8°F (14.9°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Mertens, Texas, with an average temperature varying between 50.5°F (10.3°C) and 67.5°F (19.7°C). In Mertens, the average high-temperature in March slightly increases from a mild 58.8°F (14.9°C) in February to a comfortable 67.5°F (19.7°C). Weather in March »

Weather in April

April is a warm spring month in Mertens, Texas, with an average temperature fluctuating between 56.3°F (13.5°C) and 74.7°F (23.7°C). In Mertens, the average high-temperature in April slightly increases from an enjoyable 67.5°F (19.7°C) in March to a warm 74.7°F (23.7°C). Weather in April »

Weather in May

May, the last month of the spring in Mertens, is another warm month, with an average temperature varying between 81.3°F (27.4°C) and 63.7°F (17.6°C). In Mertens, the average high-temperature in May marginally rises from a moderately hot 74.7°F (23.7°C) in April to a still warm 81.3°F (27.4°C). Weather in May »

Weather in June

June, the first month of the summer in Mertens, is a hot month, with temperature in the range of an average high of 90°F (32.2°C) and an average low of 72.7°F (22.6°C). In Mertens, the average high-temperature in June marginally rises from a warm 81.3°F (27.4°C) in May to a tropical 90°F (32.2°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Mertens, Texas, with an average temperature ranging between max 94.3°F (34.6°C) and min 74.8°F (23.8°C). In July, the average high-temperature is practically the same as in June - a still hot 94.3°F (34.6°C). Weather in July »

Weather in August

The last month of the summer, August, is a sweltering month in Mertens, Texas, with an average temperature fluctuating between 95.5°F (35.3°C) and 75.7°F (24.3°C). With an average high-temperature of 95.5°F (35.3°C) and an average low-temperature of 75.7°F (24.3°C), August is the warmest month. The average heat index in August is evaluated at a blazing hot 113°F (45°C). Weather in August »

Weather in September

September, the first month of the autumn in Mertens, is still a hot month, with an average temperature fluctuating between 87.6°F (30.9°C) and 70°F (21.1°C). In September, the average high-temperature marginally drops from a sweltering 95.5°F (35.3°C) in August to a hot 87.6°F (30.9°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Mertens, Texas, with an average temperature fluctuating between 76.5°F (24.7°C) and 58.5°F (14.7°C). In October, the average high-temperature decreases from a tropical 87.6°F (30.9°C) in September to a warm 76.5°F (24.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Mertens, is also an enjoyable month, with an average temperature ranging between max 65.3°F (18.5°C) and min 49.1°F (9.5°C). In Mertens, the average high-temperature in November decreases from a warm 76.5°F (24.7°C) in October to an enjoyable 65.3°F (18.5°C). Weather in November »

Weather in December

December, the first month of the winter in Mertens, is still a mild month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 56.5°F (13.6°C). In Mertens, the average high-temperature in December slightly decreases from an enjoyable 65.3°F (18.5°C) in November to a mild 56.5°F (13.6°C). Weather in December »
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FAQ

What is the coldest month in Mertens?

With an average high-temperature of 55.8°F (13.2°C) and an average low-temperature of 39.7°F (4.3°C), January is the coldest month in Mertens, Texas.

How many days does it rain in Mertens?

Throughout the year, in Mertens, there are 146.4 rainfall days, and 32.72" (831mm) of precipitation is accumulated.

When does it snow in Mertens?

January through March and December are months with snowfall in Mertens, Texas.

How much does it snow in Mertens?

Throughout the year, in Mertens, there are 2.5 snowfall days, and 0.98" (25mm) of snow is accumulated.

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

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

What is the driest month in Mertens?

The month with the least rainfall in Mertens is February, when the rain falls for 10.9 days and typically collects 1.85" (47mm) of precipitation.

When does it snow the most in Mertens?

February is the month with the most snowfall in Mertens. Snow falls for 1.3 days and accumulates 0.67" (17mm) of snow.

When is Daylight Saving Time (DST) in Mertens?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Mertens, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Mertens?

In Mertens, snow does not fall in April through November.

What is the most humid month in Mertens?

May is the most humid month in Mertens, Texas, with an average relative humidity of 76%.

When are the longest days in Mertens?

The month with the longest days is June, with an average of 14h and 13min of daylight.

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

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What month has the most sunshine in Mertens?

With an average of 10.9h of sunshine, July has the most sunshine of the year.

What is the warmest month in Mertens?

August is the warmest month, with an average high-temperature of 95.5°F (35.3°C) and an average low-temperature of 75.7°F (24.3°C).

What is the least humid month in Mertens?

August is the least humid month in Mertens, Texas, with an average relative humidity of 58%.

What is the wettest month in Mertens?

October is the month with the most rainfall in Mertens. Rain falls for 11.7 days and accumulates 4.57" (116mm) of precipitation.

What is the month with the shortest days in Mertens?

December has the shortest days of the year, with an average of 10h and 5min of daylight.

What is the month with the least sunshine in Mertens?

The month with the least sunshine is December, with an average of 5.4h of sunshine.

Average temperature
Mertens, TX

Average temperature - Mertens, TX

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.8°F).

The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

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Average pressure
Mertens, TX

Average pressure - Mertens, TX

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Mertens, TX

Average wind speed - Mertens, TX

The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

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Average rainfall
Mertens, TX

Average rainfall - Mertens, TX

The wettest month (with the highest rainfall) is October (4.57").
The driest month (with the least rainfall) is February (1.85").

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Average rainfall days
Mertens, TX

Average rainfall days - Mertens, TX

The months with the highest number of rainy days are May and September (15.6 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall
Mertens, TX

Average snowfall - Mertens, TX

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

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Average snowfall days
Mertens, TX

Average snowfall days - Mertens, TX

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Mertens, TX

Average daylight / Average sunshine - Mertens, TX

The month with the longest days is June (Average daylight: 14h and 13min).
The month with the shortest days is December (Average daylight: 10h and 5min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days
Mertens, TX

Average sunshine days - Mertens, TX

The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is September (13.2 days).

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Average visibility
Mertens, TX

Average visibility - Mertens, 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).

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