Climate and monthly weather forecast
Grandfalls, TX

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Weather in January

January, like December, is another mild winter month in Grandfalls, Texas, with an average temperature fluctuating between 39.4°F (4.1°C) and 58.5°F (14.7°C). January's beginning signals an average high-temperature of a still refreshing 58.5°F (14.7°C), barely different from December's 58.3°F (14.6°C). Weather in January »

Weather in February

February, the last month of the winter in Grandfalls, is an enjoyable month, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 43.3°F (6.3°C). Grandfalls's weather shows a minor temperature rise with the arrival of February, moving from a mild 58.5°F (14.7°C) in January to a comfortable 64.6°F (18.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a moderately hot month in Grandfalls, Texas, with an average temperature fluctuating between 74.7°F (23.7°C) and 51.4°F (10.8°C). The transition from February to March brings a temperature rise, with average high-temperatures increasing from a comfortable 64.6°F (18.1°C) to a warm 74.7°F (23.7°C). Weather in March »

Weather in April

April, like March, in Grandfalls, Texas, is a moderately hot spring month, with temperature in the range of an average high of 82.2°F (27.9°C) and an average low of 58.1°F (14.5°C). The shift from March to April introduces a subtle increase in the average high-temperature, moving from 74.7°F (23.7°C) to a still warm 82.2°F (27.9°C). Weather in April »

Weather in May

May, the last month of the spring in Grandfalls, is a hot month, with an average temperature varying between 65.8°F (18.8°C) and 89.2°F (31.8°C). As May begins, there's a slight increase in the average high-temperature, moving from a moderately hot 82.2°F (27.9°C) in April to a tropical 89.2°F (31.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a fiery hot month in Grandfalls, Texas, with an average temperature ranging between max 96.4°F (35.8°C) and min 74.5°F (23.6°C). The average temperatures reach their apex in June, averaging 96.4°F (35.8°C) at the high end and 74.5°F (23.6°C) at the low end. The heat index value for June is estimated at a sweltering 102.2°F (39°C). Weather in June »

Weather in July

July, like June, in Grandfalls, Texas, is another fiery hot summer month, with an average temperature fluctuating between 95.9°F (35.5°C) and 76.6°F (24.8°C). July registers an average high-temperature of a still torrid 95.9°F (35.5°C), slightly varied from June's 96.4°F (35.8°C). Weather in July »

Weather in August

August, the last month of the summer in Grandfalls, is also a sweltering month, with an average temperature varying between 77°F (25°C) and 96.3°F (35.7°C). August's arrival registers an average high-temperature of a still torrid 96.3°F (35.7°C), closely aligning with the temperature of the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a hot month in Grandfalls, Texas, with an average temperature ranging between max 87.8°F (31°C) and min 70.2°F (21.2°C). Grandfalls's transition into September involves a gentle shift in temperature, receding from a torrid 96.3°F (35.7°C) in August to a hot 87.8°F (31°C). Weather in September »

Weather in October

October, like September, in Grandfalls, Texas, is another warm autumn month, with an average temperature fluctuating between 59.7°F (15.4°C) and 79°F (26.1°C). In the transition to October, Grandfalls observes a minor drop in the average high-temperature, shifting from a hot 87.8°F (31°C) in September to a moderately hot 79°F (26.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Grandfalls, Texas, with an average temperature ranging between min 47.7°F (8.7°C) and max 67.5°F (19.7°C). November's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 79°F (26.1°C) in October to a comfortable 67.5°F (19.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Grandfalls, Texas, with an average temperature ranging between min 40.5°F (4.7°C) and max 58.3°F (14.6°C). Temperature readings reach their annual highs in December, averaging 58.3°F (14.6°C) and a minimum average of 40.5°F (4.7°C). Weather in December »
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Frequently asked questions

How many days does it rain in Grandfalls?

In Grandfalls, during the entire year, the rain falls for 63.3 days and collects up to 6.61" (168mm) of precipitation.

When does it snow in Grandfalls?

January through March, November and December are months with snowfall in Grandfalls.

How much does it snow in Grandfalls?

In Grandfalls, during the entire year, snow falls for 3.2 days and aggregates up to 1.1" (28mm) of snow.

What is the driest month in Grandfalls?

The month with the least rainfall is February, when the rain falls for 1.9 days and typically collects 0.08" (2mm) of precipitation.

When is Daylight Saving Time (DST) in Grandfalls?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Grandfalls?

April is the least humid month, with an average relative humidity of 31%.

When it does not snow in Grandfalls?

In Grandfalls, Texas, snow does not fall in April through October.

What is the rainiest month in Grandfalls?

May is the month with the most rainfall. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.

What part of the year is the hottest in Grandfalls?

June, with its high-temperature average of 96.4°F (35.8°C) and a low-temperature average of 74.5°F (23.6°C), is the warmest month in Grandfalls.

When are the longest days in Grandfalls?

The month with the longest days in Grandfalls, Texas, is June, with an average of 14h and 12min of daylight.

What month has the most sunshine in Grandfalls?

With an average of 11.8h of sunshine, June has the most sunshine of the year in Grandfalls, Texas.

When is the highest UV index in Grandfalls?

July is the month with the highest UV index in Grandfalls, Texas, with an average maximum UV index of 8.

What is the most humid month in Grandfalls?

The months with the highest humidity are September and December, with an average relative humidity of 49%.

What is the snowiest month in Grandfalls?

The months with the most snowfall in Grandfalls, Texas, are November and December, with an average 0.31" (8mm) of accumulated snow.

What is the coldest time of year in Grandfalls?

December is the coldest month in Grandfalls, Texas, with the temperature often reaching an average high of 58.3°F (14.6°C) and an average low of 40.5°F (4.7°C).

What is the month with the shortest days in Grandfalls?

With an average of 10h and 6min of daylight, December has the shortest days of the year in Grandfalls, Texas.

What is the month with the least sunshine in Grandfalls?

With an average of 7h of sunshine, December has the least sunshine of the year.

When is the lowest UV index in Grandfalls?

The month with the lowest UV index in Grandfalls, Texas, is December, with an average maximum UV index of 3.

Average temperature
Grandfalls, TX

Average temperature - Grandfalls, TX

The warmest month (with the highest average high temperature) is June (96.4°F).
The month with the lowest average high temperature is December (58.3°F).

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

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Average pressure
Grandfalls, TX

Average pressure - Grandfalls, TX

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed
Grandfalls, TX

Average wind speed - Grandfalls, TX

The windiest month (with the highest average wind speed) is June (13.2mph).
The calmest month (with the lowest average wind speed) is December (8.9mph).

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Average humidity
Grandfalls, TX

Average humidity - Grandfalls, TX

The months with the highest relative humidity are September and December (49%).
The month with the lowest relative humidity is April (31%).

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Average rainfall
Grandfalls, TX

Average rainfall - Grandfalls, TX

The wettest month (with the highest rainfall) is May (1.1").
The driest month (with the least rainfall) is February (0.08").

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Average rainfall days
Grandfalls, TX

Average rainfall days - Grandfalls, TX

The month with the highest number of rainy days is September (10 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall
Grandfalls, TX

Average snowfall - Grandfalls, TX

The months with the highest snowfall are November and December (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Grandfalls, TX

Average snowfall days - Grandfalls, TX

The month with the highest number of snowfall days is December (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Grandfalls, TX

Average daylight / Average sunshine - Grandfalls, TX

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

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days
Grandfalls, TX

Average sunshine days - Grandfalls, TX

The month with the most sunshine days is January (27.8 days).
The month with the least sunshine days is September (18.1 days).

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Average visibility
Grandfalls, TX

Average visibility - Grandfalls, 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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Grandfalls, Texas, USA

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