Climate and monthly weather forecast
Morgan City, LA

Share

The climate of Morgan City

Morgan City located in Louisiana, USA, experiences a Humid subtropical climate predominantly. This climate type is defined as "Cfa" as per the Köppen climate classification, denoting no dry season and mean monthly precipitation exceeding 2.36" (60mm). Analyzing the climatological parameters recorded over a year, it's relatively mild and moist with notable fluctuations across seasons.

Temperatures vary from 47.1°F (8.4°C) in the cooler months to 89.1°F (31.7°C) during the warmer seasons. Relative humidity remains predominantly high, ranging from 74% to 79%. Rainfall is a common occurrence with monthly figures varying from 0.43" (11mm) to 2.48" (63mm). The month with maximum rainfall is August and conversely, March experiences the least. Snowfall days are virtually non-existent annually.

The plus side of this climate is the ample daylight hours which fluctuates between 10.3 hours to 14 hours. Sunshine time also reflects a similar pattern extending from 5.3 hours to 11 hours per day. The UV index varies from 3 to 7, indicating low to high levels throughout the year. Remarkably, the visibility stays constant at 6 miles all-round the year, and wind speed ranges from 5.6mph (9km/h) to 8.8mph (14.2km/h).

The best time to visit Morgan City

For those seeking a comfortable climate and less rainfall, the best time to visit Morgan City would be during spring (March to May). During this period, maximum temperatures lie between 60.1°F (15.6°C) to 83.3°F (28.5°C) and average monthly rainfall ranges from 0.43" (11mm) to 0.83" (21mm), exhibiting warm and dry conditions. Additionally, spring boasts relatively low humidity, angled ideally for outdoor activities.

The worst time to visit Morgan City

July to September can be challenging for visitors given the comparatively high temperatures ranging from 88.3°F (31.3°C) to 89.1°F (31.7°C). This period also records the highest rainfall, peaking at 2.48" (63mm) during August. Coupled with high humidity and less breeze, this period poses extreme summer conditions and is not ideal for outdoor explorations.

Spring weather in Morgan City

The transition from winter to summer is noticeable during the months of March, April, and May. Temperatures rise gradually from mild 60.1°F (15.6°C) in March to a warm 83.3°F (28.5°C) in May. Humidity remains below yearly averages varying between 76% and 77%. While March experiences the least rainfall for the entire year at 0.43" (11mm), the average rainfall increases to 0.83" (21mm) in April and May. The daylight and sunshine duration range from 10.5 hours to 13.7 hours and 5.7 hours to 10.8 hours respectively, ensuring more than sufficient daylight for outdoor activities.

Summer weather in Morgan City

Summer in Morgan City from June to August showcases fluctuating temperature highs from 88.3°F (31.3°C) to 89.1°F (31.7°C). Correspondingly, the humidity ranges between 77% to 78% indicating sultry conditions. The city records maximum rainfall during these months, understandably increasing the discomfort levels of heat and humidity. Regardless of the rainfall, daylight hours remain highest ranging from 13.8 hours to 14 hours.

Autumn weather in Morgan City

September to November marks the autumn season in Morgan City. Temperatures begin to drop from highs of 86.4°F (30.2°C) in September to moderate 68.9°F (20.5°C) by November. The humidity levels range from 74% to 78%. The city also witnesses a reducing trend in rain from 1.1" (28mm) in September to 0.55" (14mm) in November. The daylight hours reduce gradually from 12.3 hours to 10.7 hours, with sunshine duration decreasing from 10.5 hours to 6.2 hours.

Winter weather in Morgan City

In winter, the months of December, January, and February experience relatively cooler conditions with temperatures descending from 63.5°F (17.5°C) to 47.1°F (8.4°C). However, the humidity levels are among the highest ranging from 76% to 79%, often adding to the winter chill. Rainfall ranges from 0.67" (17mm) to 0.87" (22mm) while daylight and sunshine hours dip to the yearly average low of 10.3 hours and 5.3 hours respectively. The wind speed also records a gradual increase from 8.5mph (13.7km/h) in January to 9.1mph (14.6km/h) in February, notably the highest over the year.

Weather in January

Bracing for the coldest period of the year, Morgan City, Louisiana, experiences the chill of winter seeping in. The icy winds reach maximum speed, blowing through the city at 13.7mph (22km/h). These winds, coupled with the misty mornings, create a mystical aura about the city. Weather in January »

Weather in February

By February, the weather in this region begins to transition. There's a gradual climb in the mercury levels, preparing to welcome spring. Even though there's a rise in temperature, February remains one of the colder months. The persistent wind speed contributes to the perceived chill. Weather in February »

Weather in March

With each passing day, the grip of winter on Morgan City, Louisiana loosens. This explorable city gets even more enticing in March. Bid farewell to the heaviest coats, as the cold winds start slowing down to 8.5mph (13.7km/h). Spring starts nudging in, bringing with it blooming flowers and buzzing bees. Weather in March »

Weather in April

April greets Morgan City, Louisiana, with the full bloom of spring. The shift in weather from March is very evident, getting brighter and sunnier. With 10.1 hours of sunshine, the city basks in the April sun. The city sees more outdoor activities with the warmth creeping in. Weather in April »

Weather in May

The weather shift in May once again takes a turn, making the citizens of Morgan City, Louisiana, adjust their wardrobes. There's a sudden rise in the temperature, preparing the city for the approaching summer. The cool spring rapidly makes way for the summer heat. Weather in May »

Weather in June

June brings with it the hot Louisiana summer. Morgan City's weather turns quite tropical. June introduces an increased rate of precipitation, a hallmark of the summer months. Residents are ushered into the change, slipping their raincoats over their cotton summer dresses. Weather in June »

Weather in July

By July, the summer is in full swing in Morgan City, Louisiana. Residents become accustomed to the intense heat and the sudden showers. July, being the hottest month, sees an average high temperature of 89.1°F (31.7°C). The community revels in the summer, enjoying the sunny outdoors until the timely rain showers. Weather in July »

Weather in August

August carries onwards the heavyweight of summer in Morgan City, Louisiana. The sweltering heat combined with the humidity forms part of the city's charm during this month. There's a certain nostalgia attached to the unavoidable summer showers, the heaviest of the annual rainfall at 2.48" (63mm). Weather in August »

Weather in September

A sigh of relief accompanies the arrival of September in Morgan City, Louisiana. The weather begins to lean towards fall, officially bringing an end to the summer heatwaves. However, the city still experiences average highs soaring up to 86.4°F (30.2°C). Weather in September »

Weather in October

October greets Morgan City, Louisiana, with a lovely fall weather. The temperature starts dwindling, making way for cooler winds. The city transforms with the changing colors of the leaves, setting a picturesque scene. October can often be a favorite month for many, presenting an ideal balance of temperatures and creating enticing weather. Weather in October »

Weather in November

November in Morgan City, Louisiana, showcases the undeniable perks of fall. The weather continues to cool down, particularly around evening time, providing a lovely chill in the air. Everyone starts preparing for the colder winter months ahead, bringing out the layered outfits from the wardrobe. Weather in November »

Weather in December

When December descends upon Morgan City, Louisiana, it brings with it the cold bite of winter. The cooling trend of the past weeks reaches its coldest point, with minimum temperature dropping to 47.1°F (8.4°C). The city somewhat quiets down under the coat of the winter chill. Weather in December »
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

January is the month that records the lowest temperatures in Morgan City, with averages ranging from a high of 60.1°F (15.6°C) to a low of 47.1°F (8.4°C).

How many days does it rain?

Throughout the year, there are 128.6 rainfall days, and 13.27" (337mm) of precipitation is accumulated.

When does it snow?

The only month with snowfall in Morgan City is January.

When does it snow the most in Morgan City?

The month with the most snowfall days is January, when snow falls for 0.1 days.

How many days does it snow?

In Morgan City, during the entire year, snow falls for 0.1 days.

What are the most humid months?

The months with the highest humidity are February and December, with an average relative humidity of 79%.

When it does not snow?

In Morgan City, Louisiana, snow does not fall in February through December.

What is the driest month?

The month with the least rainfall is March, when the rain falls for 9.3 days and typically collects 0.43" (11mm) 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 is the month 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?

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

What month has the most sunshine?

June has the most sunshine of the year, with an average of 11h of sunshine.

What month is the hottest?

The highest temperatures are recorded in July, with averages reaching a high of 89.1°F (31.7°C) and a low of 76.6°F (24.8°C).

What is the rainiest month?

August is the month with the most rainfall. Rain falls for 20 days and accumulates 2.48" (63mm) of precipitation.

What is the least humid month in Morgan City?

October is the least humid month, with an average relative humidity of 74%.

What is the month with the shortest days?

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

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.3h of sunshine.

When is the lowest UV index?

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

Average temperature
Morgan City, LA

Average temperature - Morgan City, LA

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (60.1°F).

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

Average pressure
Morgan City, LA

Average pressure - Morgan City, LA

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).

Average wind speed
Morgan City, LA

Average wind speed - Morgan City, LA

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity
Morgan City, LA

Average humidity - Morgan City, LA

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Morgan City, LA

Average rainfall - Morgan City, LA

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days
Morgan City, LA

Average rainfall days - Morgan City, LA

The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (6 days).

Average snowfall days
Morgan City, LA

Average snowfall days - Morgan City, LA

The month with the highest number of snowfall days is January (0.1 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
Morgan City, LA

Average daylight / Average sunshine - Morgan City, 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days
Morgan City, LA

Average sunshine days - Morgan City, LA

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is August (6.9 days).

Average UV index
Morgan City, LA

Average UV index - Morgan City, 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 visibility
Morgan City, LA

Average visibility - Morgan City, 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).

Morgan City, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location