Climate and monthly weather forecastO'Brien, TX

Climate and monthly weather forecast

Weather in January

January, like December, is a moderate winter month in O'Brien, Texas, with an average temperature varying between 36.5°F (2.5°C) and 55.4°F (13°C). Temperatures reach their minimum during January and December, recording an average high-temperature of 55.4°F (13°C). Weather in January »

Weather in February

The last month of the winter, February, is another mild month in O'Brien, Texas, with an average temperature ranging between max 58.8°F (14.9°C) and min 39.4°F (4.1°C). In February, the average high-temperature registers at a still mild 58.8°F (14.9°C), nearly identical to January's 55.4°F (13°C). Weather in February »

Weather in March

The first month of the spring, March, is an agreeable month in O'Brien, Texas, with temperature in the range of an average low of 48.9°F (9.4°C) and an average high of 69.6°F (20.9°C). With the onset of March, O'Brien's average high-temperature experiences a rise, moving from February's mild 58.8°F (14.9°C) to a pleasant 69.6°F (20.9°C). Weather in March »

Weather in April

April in O'Brien, Texas, is a warm spring month, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 77.9°F (25.5°C). As O'Brien welcomes April, the average high-temperature sees a modest rise, transitioning from an agreeable 69.6°F (20.9°C) in March to a warm 77.9°F (25.5°C). Weather in April »

Weather in May

May, the last month of the spring in O'Brien, is also a moderately hot month, with an average temperature varying between 85.6°F (29.8°C) and 63.7°F (17.6°C). May's arrival is noted with a slight increase in the average high-temperature, moving from a warm 77.9°F (25.5°C) in April to a still moderately hot 85.6°F (29.8°C). Weather in May »

Weather in June

June, the first month of the summer in O'Brien, is a hot month, with temperature in the range of an average high of 94.6°F (34.8°C) and an average low of 73.8°F (23.2°C). In O'Brien, the average high-temperature in June slightly increases from a warm 85.6°F (29.8°C) in May to a tropical 94.6°F (34.8°C). Weather in June »

Weather in July

July is a torrid summer month in O'Brien, Texas, with temperature in the range of an average high of 97°F (36.1°C) and an average low of 77°F (25°C). The beginning of July reveals an average high-temperature of a torrid 97°F (36.1°C), showing minimal deviation from the previous month. Weather in July »

Weather in August

August, the last month of the summer in O'Brien, is also a sweltering month, with an average temperature fluctuating between 97.3°F (36.3°C) and 76.8°F (24.9°C). The warmest temperatures occur during August, when averages reach a peak of 97.3°F (36.3°C) and a low of 76.8°F (24.9°C). August's average heat index is evaluated at a blistering 107.6°F (42°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a hot month in O'Brien, Texas, with temperature in the range of an average high of 87.4°F (30.8°C) and an average low of 69.4°F (20.8°C). September implies a gentle temperature shift, with average high-temperatures reducing from August's very hot 97.3°F (36.3°C) to a hot 87.4°F (30.8°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in O'Brien, Texas, with an average temperature varying between 57°F (13.9°C) and 76.5°F (24.7°C). O'Brien's progression into October includes a drop in the average high-temperature, from a tropical 87.4°F (30.8°C) in September to a moderately hot 76.5°F (24.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in O'Brien, Texas, with an average temperature varying between 46.4°F (8°C) and 65.3°F (18.5°C). The arrival of November corresponds with a reduction in the average high-temperature, down from October's warm 76.5°F (24.7°C) to an enjoyable 65.3°F (18.5°C). Weather in November »

Weather in December

December, the first month of the winter in O'Brien, is also a moderate month, with an average temperature fluctuating between 55.4°F (13°C) and 38.3°F (3.5°C). O'Brien's coldest season falls during January and December, averaging a high-temperature of 55.4°F (13°C). Weather in December »
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The coldest period, with an average high-temperature of 55.4°F (13°C), falls in January and December.

In O'Brien, during the entire year, the rain falls for 92.6 days and collects up to 17.99" (457mm) of precipitation.

January through April, November and December are months with snowfall.

Throughout the year, there are 6 snowfall days, and 3.94" (100mm) of snow is accumulated.

February is the month with the least rainfall in O'Brien. Rain falls for 4.8 days and accumulates 0.67" (17mm) of precipitation.

The month with the most snowfall is February, when snow falls for 2.4 days and typically aggregates up to 1.42" (36mm) of snow.

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.

The months with the highest humidity are May, September, November and December, with an average relative humidity of 56%.

May is the month with the most rainfall. Rain falls for 11.6 days and accumulates 2.72" (69mm) of precipitation.

May through October are months without snowfall.

The month with the longest days is June, with an average of 14h and 18min of daylight.

The month with the most sunshine is June, with an average of 11.6h of sunshine.

With an average maximum UV index of 8, July is the month with the highest UV index.

August, marked by an average high-temperature of 97.3°F (36.3°C) and a low-temperature of 76.8°F (24.9°C), is the warmest month.

With an average relative humidity of 45%, August is the least humid month.

December has the shortest days of the year in O'Brien, with an average of 10h and 0min of daylight.

December has the least sunshine of the year, with an average of 6.4h of sunshine.

The month with the lowest UV index is December, with an average maximum UV index of 2.

Average temperature
O'Brien, TX

The warmest month (with the highest average high temperature) is August (97.3°F).
The months with the lowest average high temperature are January and December (55.4°F).

The month with the highest average low temperature is July (77°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).

Average pressure
O'Brien, TX

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

Average wind speed
O'Brien, TX

The windiest month (with the highest average wind speed) is April (13mph).
The calmest month (with the lowest average wind speed) is September (9.4mph).

Average humidity
O'Brien, TX

The months with the highest relative humidity are May, September, November and December (56%).
The month with the lowest relative humidity is August (45%).

Average rainfall
O'Brien, TX

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is February (0.67").

Average rainfall days
O'Brien, TX

The month with the highest number of rainy days is September (11.7 days).
The month with the least rainy days is January (3.7 days).

Average snowfall
O'Brien, TX

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
O'Brien, TX

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
O'Brien, TX

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

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days
O'Brien, TX

The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is September (16.3 days).

Average UV index
O'Brien, TX

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 2).

Average cloud cover
O'Brien, TX

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 16).

Average visibility
O'Brien, 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).