Climate and monthly weather forecast
New Iberia, LA

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The climate of New Iberia

New Iberia, Louisiana, declared by Köppen climate classification as Cfa or a predominately Humid subtropical region with no dry season, showcases an exceedingly varied meteorological report throughout the year. The city is noteworthy for its continuous sways in environmental readings.

The annual temperature demonstrates great variety, fluctuating from a high of 90°F (32.2°C) during August and gradually dipping down towards 59.5°F (15.3°C) in January. The frigid end of the thermometer presents a slight variation from 75.4°F (24.1°C) in August to 44.6°F (7°C) in January. On the moisture front, New Iberia sustains a relative humidity that hovers from 76% to 80% during the course of a year.

New Iberia registers an average of 1.38" (35mm) of precipitation in January, surging to 2.44" (62mm) in August. The number of rainfall days varies between 7.2 days in January to a high of 17.9 days in August. Snowfall is non-existent in this city, further emphasising the subtropical nature.

Given New Iberia's geographical location, sunlight availability and intensity vary within the year. Daylight hours range from 10.2 hours in December and escalate towards 14.1 hours in June. New Iberia basks under 5 to 10.7 hours of sunshine varying through a year. The UV index also shows a considerable change, with a score of 3 in December and as high as 7 from May to August.

The best time to visit New Iberia

Determining the ideal time to drop by in New Iberia depends on the visitor's preference. Climate characteristics lean towards a warm and humid environment, most discernible from May to September. These months experience a high average temperature of 84.7°F (29.3°C) to 90°F (32.2°C) and a low average temperature between 67.6°F (19.8°C) to 75.4°F (24.1°C).

Between May and September, the city sees an elevated UV index of 7, corresponding to the most significant daylight hours ranging from 13.7 to 14.1. Equally, these months express the highest average of sunshine per day, with 10.3 to 10.7 hours providing abundant time for outdoor activities and explorations of local scenery.

The worst time to visit New Iberia

Visitors who prefer to avoid high humidity and frequent rain might consider stepping away from planning their visit between June and August. This timeframe sees the ultimate surge in the average count of rainy days, from 13.4 up to 17.9. Correspondingly, it records the utmost rainfall, with amounts between 1.57" (40mm) to 2.44" (62mm). This period also holds the highest temperature values, approximately from 89.1°F (31.7°C) to 90°F (32.2°C), which might be unappealing for those with an aversion to heat and humidity.

Spring weather in New Iberia

Springtime in New Iberia runs from March to May, bringing with it a gradual increase in temperatures. The high ranges stretch from 64°F (17.8°C) in March to 84.7°F (29.3°C) by May, while the low averages rise from 49.6°F (9.8°C) to 67.6°F (19.8°C). Relative humidity negligibly fluctuates between 79% and 76%. Rainfall values also rise from 0.71" (18mm) in March to 0.94" (24mm) in May, with the count of rainy days spanning between 9.8 to 8.3.

Summer weather in New Iberia

The sizzling summer experience begins in June and lasts until August, characterized by soaring temperature figures. The high temperature hovers from 89.1°F (31.7°C) to 90°F (32.2°C) and the low readings maintain the range of 73.6°F (23.1°C) to 75.4°F (24.1°C). These months see an increment in humidity and rainfall—the latter peaking at 2.44" (62mm) in August. The rainy days also rise significantly, reaching up to 17.9 days in August.

Autumn weather in New Iberia

Autumn brings the onset of cooler conditions in New Iberia from September to November. The average high temperature drops from 86.7°F (30.4°C) in September to 68.9°F (20.5°C) by November. Meanwhile, the low average temperature presents a decline from 70.9°F (21.6°C) in September to 52.7°F (11.5°C) in November. Autumn brings with it a decrease in the regularity of rainfall and rainy days—the rainfall averages diminish from 1.18" (30mm) to 0.79" (20mm) and the count of rainy days fall from 13.8 to 7.3.

Winter weather in New Iberia

December introduces the chilly winter season, witnessing a further drop in temperature. The high averages sit between 62.2°F (16.8°C) and 59.5°F (15.3°C) from December to January, and the lower readings scale down from 48.7°F (9.3°C) to 44.6°F (7°C) in the corresponding months. Winter also comes with a reduced level of humidity, falling to 77%. The rainfall averages decrease, ranging from 1.1" (28mm) in December to 0.83" (21mm) in February, and the count of rainy days also show a decline from 9.9 days in December to 7.2 in January.

Weather in January

Temperature transitions from the cooler previous month to an average January high and low of 59.5°F (15.3°C) and 44.6°F (7°C), respectively. A relative humidity of 77% sets the stage for a cozy atmosphere in New Iberia. While snow is practically a non-event, rain marks its presence with intermittent showers. Weather in January »

Weather in February

The weather in February becomes slightly more comfortable than January, marking the transition from winter to spring. New Iberia experiences the least snowfall in this month, marking a definitive end to the minimal winter chill. Weather in February »

Weather in March

As New Iberia slowly waves goodbye to the mild winter chills, March brings warmer temperatures. The city bathes under sunlight for an average 7.3 hours a day, a marked increase from February. With a UV index of 5, residents welcome the spring season with a calibrated exposure to the Sun. Weather in March »

Weather in April

April in New Iberia sees a significant leap in temperatures, breadcrumbs left behind by the receding Spring. The pleasant weather provides quality outdoor time for lovers of nature and outdoor sports. The city is awash with sunshine for an extended average of 9.5 hours a day, delivering an enjoyable spring. Weather in April »

Weather in May

May marks the beginning of summer, with a sizable increase in average temperatures. New Iberia revels in longer days and significantly reduced cloud cover. Rainfall figures tend to dwindle, leaving more distinct sunlit days for explorers and adventurers. Weather in May »

Weather in June

Mid-year in New Iberia arrives with the height of summer, characterised by the longest days. Temperature scales continue to tip, and the UV index jumps to 7 making it necessary to take protective measures. City dwellers feel a slight dip in wind speed, tapering down to 6.2mph (10km/h). Weather in June »

Weather in July

July holds the crown for the hottest month of the year in New Iberia, signaling the peak of summer. The mercury routinely touches 89.8°F (32.1°C), making it a month for water sports and indoor activities. Despite the soaring temperatures, July is also the city's rainiest month, averaging 2.4" (61mm) of rainfall. Weather in July »

Weather in August

August shows little respite from the summer heat, recording an average high of 90°F (32.2°C). Despite the minimal shift in temperatures, New Iberia begins preparing for the impending fall. As the city receives almost the same amount of rainfall as July, August secures the position of the second-wettest month. Weather in August »

Weather in September

September brings the arrival of fall in New Iberia, as temperatures begin their downward trend. Compared to August, residents get to enjoy slightly less humidity and an extended duration of sunshine. With the outgoing of summer, rainfall experiences a sharp decline, paving the way for autumn outdoor activities. Weather in September »

Weather in October

As autumn establishes itself, October in New Iberia offers the most pleasant weather of the year. The duration of daylight begins to significantly taper off, hinting at the approaching winter. The month records a nominal dip in barometric pressure from its predecessor. Weather in October »

Weather in November

With the advent of November, New Iberia braces for the oncoming winter months. The city witnesses shorter daylight hours as the lengths of days progressively reduce. Cloud coverage becomes denser, gradually transitioning from the clear skies of October. Weather in November »

Weather in December

New Iberia ends the year with the arrival of winter. Temperatures dip sharply compared to November, reaching an average high and low of 62.2°F (16.8°C) and 48.7°F (9.3°C) respectively, marking the advent of winter. The city experiences a slight increase in rainfall, measuring up to 1.1" (28mm). Weather in December »
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in New Iberia?

January stands out as New Iberia's coldest month, with temperatures ranging between an average high of 59.5°F (15.3°C) and a low of 44.6°F (7°C).

How much does it rain in New Iberia?

In New Iberia, during the entire year, the rain falls for 129.6 days and collects up to 15.83" (402mm) of precipitation.

When does it snow?

January is the only month when snow falls.

When does it snow the most?

The month with the most snowfall days is January, when snow falls for 0.2 days.

How many days does it snow?

Throughout the year, there are 0.2 snowfall days.

What is the most humid month?

February is the most humid month, with an average relative humidity of 80%.

When it does not snow?

February through December are months without snowfall in New Iberia.

What is the driest month?

The month with the least rainfall is March, when the rain falls for 9.8 days and typically collects 0.71" (18mm) of precipitation.

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 are the months with the highest UV index?

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

When are the longest days?

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

What month has the most sunshine?

With an average of 10.7h of sunshine, June has the most sunshine of the year.

What is the hottest time of year in New Iberia?

August proves to be the warmest month, recording an average peak temperature of 90°F (32.2°C) and a minimum temperature of 75.4°F (24.1°C).

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 17.9 days and typically aggregates up to 2.44" (62mm) of precipitation.

What is the least humid month?

With an average relative humidity of 73%, October is the least humid month.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 18min of daylight.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5h of sunshine.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 3.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
New Iberia, LA

Average temperature - New Iberia, LA

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (59.5°F).

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).

Average pressure
New Iberia, LA

Average pressure - New Iberia, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
New Iberia, LA

Average wind speed - New Iberia, LA

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.5mph).

Average humidity
New Iberia, LA

Average humidity - New Iberia, LA

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall
New Iberia, LA

Average rainfall - New Iberia, LA

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is March (0.71").

Average rainfall days
New Iberia, LA

Average rainfall days - New Iberia, LA

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is January (7.2 days).

Average snowfall days
New Iberia, LA

Average snowfall days - New Iberia, LA

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

Average daylight / Average sunshine
New Iberia, LA

Average daylight / Average sunshine - New Iberia, LA

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 month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days
New Iberia, LA

Average sunshine days - New Iberia, LA

The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is August (10.5 days).

Average UV index
New Iberia, LA

Average UV index - New Iberia, LA

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover
New Iberia, LA

Average cloud cover - New Iberia, LA

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

Average visibility
New Iberia, LA

Average visibility - New Iberia, LA

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).

New Iberia, Louisiana, USA

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