Climate and monthly weather forecast
Hallettsville, TX

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Weather in January

January, the same as December, is another enjoyable winter month in Hallettsville, Texas, with temperature in the range of an average low of 44.6°F (7°C) and an average high of 61°F (16.1°C). In Hallettsville, January records the lowest average temperatures, peaking at 61°F (16.1°C) and reaching a low of 44.6°F (7°C). Weather in January »

Weather in February

February, the last month of the winter in Hallettsville, is also an enjoyable month, with an average temperature ranging between min 48.6°F (9.2°C) and max 64.8°F (18.2°C). The beginning of February records an average high-temperature of a still comfortable 64.8°F (18.2°C), marking a negligible difference from January's 61°F (16.1°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in Hallettsville, Texas, with an average temperature varying between 54.3°F (12.4°C) and 72°F (22.2°C). With the beginning of March, Hallettsville's average high-temperature sees a minor increase, transitioning from a comfortable 64.8°F (18.2°C) in February to an agreeable 72°F (22.2°C). Weather in March »

Weather in April

April in Hallettsville, Texas, is a moderately hot spring month, with an average temperature varying between 78.1°F (25.6°C) and 60.3°F (15.7°C). Hallettsville's weather in April presents a minor rise in the average high-temperature, moving from a pleasant 72°F (22.2°C) in March to a warm 78.1°F (25.6°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Hallettsville, Texas, with an average temperature varying between 84.7°F (29.3°C) and 67.6°F (19.8°C). The shift into May is marked by a modest rise in the average high-temperature, moving from April's 78.1°F (25.6°C) to a still warm 84.7°F (29.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Hallettsville, Texas, with an average temperature fluctuating between 90.5°F (32.5°C) and 73°F (22.8°C). Hallettsville's transition into June is marked by a minor temperature shift, moving from a warm 84.7°F (29.3°C) in May to a tropical 90.5°F (32.5°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Hallettsville, Texas, with an average temperature fluctuating between 94.3°F (34.6°C) and 74.8°F (23.8°C). The advent of July reveals an average high-temperature of a still tropical 94.3°F (34.6°C), showing minimal difference from the prior month. Weather in July »

Weather in August

The last month of the summer, August, is a sweltering month in Hallettsville, Texas, with an average temperature varying between 95.9°F (35.5°C) and 75.6°F (24.2°C). Hallettsville's August weather, marked by an average high temperature of 95.9°F (35.5°C) and an average low temperature of 75.6°F (24.2°C), is the warmest in the year. The heat index for August is appraised at a life-threatening hot 123.8°F (51°C). Weather in August »

Weather in September

September, the first month of the autumn in Hallettsville, is still a hot month, with an average temperature fluctuating between 88.9°F (31.6°C) and 71.8°F (22.1°C). September is marked by a subtle drop in average high-temperatures, transitioning from a fiery hot 95.9°F (35.5°C) in August to a tropical 88.9°F (31.6°C). Weather in September »

Weather in October

October, like September, in Hallettsville, Texas, is a moderately hot autumn month, with an average temperature varying between 62.4°F (16.9°C) and 81°F (27.2°C). October heralds a minor drop in average high-temperature, sliding from September's hot 88.9°F (31.6°C) to a moderately hot 81°F (27.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another pleasant month in Hallettsville, Texas, with an average temperature fluctuating between 53.1°F (11.7°C) and 69.8°F (21°C). In Hallettsville, the average high-temperature in November drops from a warm 81°F (27.2°C) in October to an agreeable 69.8°F (21°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Hallettsville, Texas, with temperature in the range of an average low of 47.3°F (8.5°C) and an average high of 61.9°F (16.6°C). December's onset brings a negligible change in high-temperatures, falling from an agreeable 69.8°F (21°C) in November to a refreshing 61.9°F (16.6°C). Weather in December »

Frequently asked questions

What is the coldest month?

In Hallettsville, January registers the lowest temperatures, averaging 61°F (16.1°C) at the peak and 44.6°F (7°C) at the lowest.

How many days does it rain?

Throughout the year, in Hallettsville, there are 166.8 rainfall days, and 28.7" (729mm) of precipitation is accumulated.

When does it snow?

January and December are months with snowfall in Hallettsville.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 0.3 days and typically aggregates up to 0.2" (5mm) of snow.

How many days does it snow?

Throughout the year, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.

What is the driest month?

February is the month with the least rainfall. Rain falls for 12.4 days and accumulates 1.22" (31mm) of precipitation.

When it does not snow?

February through November are months without snowfall.

What are the most humid months?

March and May, with an average relative humidity of 78%, are most humid months.

When is Daylight Saving Time (DST)?

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 wettest month?

The month with the most rainfall is May, when the rain falls for 15.6 days and typically aggregates up to 3.86" (98mm) of precipitation.

When are the longest days?

June has the longest days of the year, with an average of 14h and 0min of daylight.

What is the month with the highest UV index?

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

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 9.6h of sunshine.

What time of the year is the hottest?

August is Hallettsville's warmest month, registering average high temperatures of 95.9°F (35.5°C) and lows of 75.6°F (24.2°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 68%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 18min of daylight.

What is the month with the least sunshine in Hallettsville?

With an average of 4.7h of sunshine, December has the least sunshine of the year.

When is the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 3.

Average temperature
Hallettsville, TX

Average temperature - Hallettsville, TX

The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (61°F).

The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).

Average pressure
Hallettsville, TX

Average pressure - Hallettsville, TX

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Hallettsville, TX

Average wind speed - Hallettsville, TX

The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is September (6mph).

Average humidity
Hallettsville, TX

Average humidity - Hallettsville, TX

The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is August (68%).

Average rainfall
Hallettsville, TX

Average rainfall - Hallettsville, TX

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is February (1.22").

Average rainfall days
Hallettsville, TX

Average rainfall days - Hallettsville, TX

The month with the highest number of rainy days is September (17.8 days).
The month with the least rainy days is January (11.2 days).

Average snowfall
Hallettsville, TX

Average snowfall - Hallettsville, TX

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days
Hallettsville, TX

Average snowfall days - Hallettsville, TX

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
Hallettsville, TX

Average daylight / Average sunshine - Hallettsville, TX

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days
Hallettsville, TX

Average sunshine days - Hallettsville, TX

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (9.8 days).

Average visibility
Hallettsville, TX

Average visibility - Hallettsville, TX

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

Hallettsville, Texas, USA

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