Climate and monthly weather forecastPlains, LA

Climate and monthly weather forecast

Weather in January

January, like December, is another refreshing winter month in Plains, Louisiana, with an average temperature fluctuating between 58.3°F (14.6°C) and 41.9°F (5.5°C). January, marked by an average high-temperature of 58.3°F (14.6°C) and a low-temperature of 41.9°F (5.5°C), is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is an enjoyable month in Plains, Louisiana, with an average temperature fluctuating between 63°F (17.2°C) and 46.9°F (8.3°C). Plains starts February with an average high-temperature of a still refreshing 63°F (17.2°C), a minor shift from January's 58.3°F (14.6°C). Weather in February »

Weather in March

March, the first month of the spring in Plains, is an agreeable month, with an average temperature ranging between min 52.3°F (11.3°C) and max 71.1°F (21.7°C). Plains's March weather indicates a minor ascent in high-temperatures, adjusting from a comfortable 63°F (17.2°C) in February to a pleasant 71.1°F (21.7°C). Weather in March »

Weather in April

April is a moderately hot spring month in Plains, Louisiana, with an average temperature fluctuating between 57.7°F (14.3°C) and 78.3°F (25.7°C). Plains perceives a slight temperature ascent during April, with average high-temperatures adjusting from an agreeable 71.1°F (21.7°C) in March to a moderately hot 78.3°F (25.7°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Plains, Louisiana, with an average temperature ranging between min 64.9°F (18.3°C) and max 84.7°F (29.3°C). The coming of May brings a minor shift in Plains's weather, with average high-temperatures adjusting from April's 78.3°F (25.7°C) to a still warm 84.7°F (29.3°C). Weather in May »

Weather in June

June, the first month of the summer in Plains, is a hot month, with temperature in the range of an average high of 91°F (32.8°C) and an average low of 71.2°F (21.8°C). Entering June, Plains notices a subtle temperature elevation, with the average high-temperature advancing from May's warm 84.7°F (29.3°C) to a tropical 91°F (32.8°C). Weather in June »

Weather in July

July, the same as June, in Plains, Louisiana, is a hot summer month, with an average temperature varying between 91.9°F (33.3°C) and 73.2°F (22.9°C). July, having an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 73.2°F (22.9°C), is the warmest month. The heat index in July is appraised at a life-threatening hot 118.4°F (48°C). Weather in July »

Weather in August

August, the last month of the summer in Plains, is another tropical month, with an average temperature ranging between max 91.8°F (33.2°C) and min 73.4°F (23°C). August registers an average high-temperature of a still hot 91.8°F (33.2°C), slightly varied from July's 91.9°F (33.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Plains, Louisiana, with an average temperature varying between 87.8°F (31°C) and 69.3°F (20.7°C). September's arrival brings an average high-temperature of a still tropical 87.8°F (31°C), slightly deviating from August's 91.8°F (33.2°C). Weather in September »

Weather in October

October, like September, in Plains, Louisiana, is another warm autumn month, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 79.9°F (26.6°C). The shift from September to October includes a small decrease in the average high-temperature, from a hot 87.8°F (31°C) to a moderately hot 79.9°F (26.6°C). Weather in October »

Weather in November

November, the last month of the autumn in Plains, is also an agreeable month, with an average temperature fluctuating between 49.5°F (9.7°C) and 68°F (20°C). Plains's progression into November involves a drop in the average high-temperature, receding from a moderately hot 79.9°F (26.6°C) in October to an agreeable 68°F (20°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Plains, Louisiana, with an average temperature ranging between min 45.9°F (7.7°C) and max 60.6°F (15.9°C). The arrival of December suggests a slight decrease in the average high-temperature, moving from an agreeable 68°F (20°C) in November to a refreshing 60.6°F (15.9°C). Weather in December »
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the coldest month, with the temperature often reaching an average high of 58.3°F (14.6°C) and an average low of 41.9°F (5.5°C).

In Plains, during the entire year, the rain falls for 175 days and collects up to 28.74" (730mm) of precipitation.

Months with snowfall are January and December.

The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.

In Plains, during the entire year, snow falls for 0.5 days and aggregates up to 0.39" (10mm) of snow.

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

The months with the highest humidity are February and December, with an average relative humidity of 82%.

February through November are months without snowfall.

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.

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

June has the longest days of the year, with an average of 14h and 6min of daylight.

With an average of 10.2h of sunshine, June has the most sunshine of the year.

Plains notes the warmest temperatures in July, with a average high of 91.9°F (33.3°C) and a low of 73.2°F (22.9°C).

August is the month with the most rainfall. Rain falls for 22.3 days and accumulates 3.66" (93mm) of precipitation.

The least humid month is October, with an average relative humidity of 72%.

The month with the least rainfall is November, when the rain falls for 8.5 days and typically collects 1.5" (38mm) of precipitation.

The month with the shortest days is December, with an average of 10h and 12min of daylight.

The month with the least sunshine is December, with an average of 5h of sunshine.

Average temperature
Plains, LA

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure
Plains, LA

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed
Plains, LA

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity
Plains, LA

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Plains, LA

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days
Plains, LA

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall
Plains, LA

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

Average snowfall days
Plains, LA

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

Average daylight / Average sunshine
Plains, LA

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: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days
Plains, LA

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).

Average UV index
Plains, LA

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 cloud cover
Plains, LA

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility
Plains, LA

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