Climate and monthly weather forecast
West Monroe, LA

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The climate of West Monroe

Situated in the southern United States, West Monroe, Louisiana experiences a Humid subtropical climate according to the Köppen climate classification, identified as Cfa. This climatic condition means that the region does not undergo a dry season, maintaining high levels of humidity throughout the year.

An examination of the climatological data reveals considerable variance in the weather parameters throughout the year. Temperature fluctuations are significant, with the average high temperature ranging from 53.8°F (12.1°C) in the colder months to a hot 92.8°F (33.8°C) during the summer. The coldest average low temperature is 39.4°F (4.1°C) while the warmest low is at 73.4°F (23°C). This implies thermal amplitude from cold winters to hot and long summers.

Humidity levels stay relatively high for the entire year, with the least humid month having a relative humidity of 69% and the peak month going up to a muggy 82%. It rains moderately in every season, with rainfall spanning from 1.5" (38mm) to 4.17" (106mm) a month, while snow gets seen sparingly with annual accumulation averaging 0.2" (5mm) in total.

A distinctive feature of West Monroe's climate can be seen in the high amount of sunshine the area enjoys. The daylight duration varies from a minimum of 10 hours a day to a peak of 14.3 hours a day. Along with the long daylight hours, expect a significant amount of direct sun with the amount of sunshine fluctuating between 4.9 hours to 10.4 hours daily.

The best time to visit West Monroe

Given the Humid subtropical climate, West Monroe is most enjoyable in the autumn months from October to November. During this period, the city experiences temperatures averaging between 77°F (25°C) and 64.6°F (18.1°C). The rainfall measures between 2.2" (56mm) to 3.39" (86mm), which is relatively moderate compared to other months.

Additionally, this period experiences more extended sunlight hours with an average daily sunshine of 9.6 hours to 6.4 hours. High visibility comes with the sunny days, with a standard visibility of 6 miles, and an UV index rating of 4, which provides the perfect conditions to explore the city's parks, and outdoor attractions.

The worst time to visit West Monroe

The least favorable time to visit West Monroe is in summer due to the high temperatures and humidity levels. The summer months from June through August see average high temperatures from 90.7°F (32.6°C) to a scorching 92.5°F (33.6°C). Additionally, these months experience high humidity levels around 73%, with a pressure reading of 29.95" (761mm) to 29.98" (761mm).

Spring weather in West Monroe

Starting in March and ending in May, the spring season showcases a steady rise in temperatures from an average high of 66.4°F (19.1°C) to 83.5°F (28.6°C). The rainfall amount increases from 3.66" (93mm) to 4.17" (106mm). The average wind speed is reduced from 7.6mph (12.2km/h) to 6.5mph (10.5km/h) while average daylight increases from 12 hours to 13.8 hours.

Summer weather in West Monroe

Summer in West Monroe is characterized by high temperatures, humidity and longer daylight hours. The average high temperature ranges from 90.7°F (32.6°C) to 92.5°F (33.6°C) while average lows are from 71.6°F (22°C) to 73°F (22.8°C). The region's rainfall drops from 2.8" (71mm) to 2.28" (58mm), while average daylight ranges from 14.3 hours to 13.3 hours.

Autumn weather in West Monroe

Beginning in September and concluding in November, the fall season in West Monroe has a significant drop in temperature. Average highs range from 87.8°F (31°C) to 64.6°F (18.1°C) while lows go from 67.8°F (19.9°C) to 47.5°F (8.6°C). The rainfall increases from 1.5" (38mm) to 3.39" (86mm) as humidity lowers from 71% to 74%.

Winter weather in West Monroe

In winter, West Monroe experiences cool temperatures. From December to February, average high temperatures are set between 53.8°F (12.1°C) and 58.1°F (14.5°C) and average lows from 39.4°F (4.1°C) to 43°F (6.1°C). This period sees a consistent visibility level of 6 miles and an overall cloud cover of 51%. Rainfall volumetric flux increases from 3.19" (81mm) to 3.66" (93mm). Minimal snowfall occurs with an average of 0.16" (4mm) to 0.2" (5mm).

Weather in January

The initial month of the year kicks off with a chill in the air across West Monroe, Louisiana, USA. Slight variations from the high temperatures of 53.8°F (12.1°C) to the cool lows of 39.4°F (4.1°C) keep residents reaching for their windbreakers. Weather in January »

Weather in February

With the arrival of February, West Monroe residents perceive a slight increase in temperature. The mercury hovers around values between 43°F (6.1°C) and a slightly higher 58.1°F (14.5°C). Rainfall makes a prominent appearance, accounting for 3.66" (93mm) over 12.2 rainy days. Weather in February »

Weather in March

March heralds the arrival of spring in West Monroe, characterized by a slow yet steady shift in weather patterns. There is a significant leap in temperature from the previous month, with highs now touching 66.4°F (19.1°C) and lows not going below 49.6°F (9.8°C). Weather in March »

Weather in April

The arrival of April enhances the vibrancy of the spring season in West Monroe. The substantial tilt in temperature from the low 55.9°F (13.3°C) to the high 75.2°F (24°C) facilitates more outdoor activities. Comparably lower rainfall of 4.17" (106mm) over 14.1 days hints at April being one of the drier periods of the year. Weather in April »

Weather in May

As May rolls in, the heat index inches higher, embracing the incoming summer. The temperature soars from 64.9°F (18.3°C) to a sizzling 83.5°F (28.6°C), making it one of the warmest months in the year. Stifling humidity levels prevail over the cooler moments, marking the month as a period of noticeable climatic transition. Weather in May »

Weather in June

The heat intensifies in June, with the month asserting its place in the heart of summer. June's temperature estimate ranges, swinging from 71.6°F (22°C) to a scorching high of 90.7°F (32.6°C). This is the month when the sun dominates the weather scene, adding a glaring 14.3 daylight hours to the day. Weather in June »

Weather in July

July marks the zenith of summer with temperature margins expanding between 73.4°F (23°C) and the year's highest at 92.8°F (33.8°C). This makes July the hottest month USA. Persistent sunny days and fewer rainy spells make the city a hotspot of outdoor fun and activities. Weather in July »

Weather in August

The temperature in August simmers slightly, cooling off from the previous month's extremes. Outlining the high at 92.5°F (33.6°C) and the low at 73°F (22.8°C), the temperatures still denote the persistence of summer. The rainfall, although marginal, provides a brief, welcome reprieve from the heat. Weather in August »

Weather in September

September introduces a transformative shift in West Monroe's atmospheric configuration as summer starts its retreat and fall commences. There is a noticeable drop in the temperature range, setting the high at 87.8°F (31°C) and the low at 67.8°F (19.9°C). Weather in September »

Weather in October

October confirms the onset of fall in West Monroe, reflected in the cooler, milder weather conditions. The temperature finds a comfortable balance between 57.2°F (14°C) and 77°F (25°C), a considerable shift from the preceding month's highs. Weather in October »

Weather in November

November ushers in the final phase of fall in West Monroe, amplifying the chill factor. The high edges down to 64.6°F (18.1°C), and the low dips further down to 47.5°F (8.6°C). It is the month of minimal rainfall, with only 2.2" (56mm) spread out over 8.5 days. Weather in November »

Weather in December

December is the official usher of winter in West Monroe. Dipping temperatures as low as 42.6°F (5.9°C) and only peaking to 56.3°F (13.5°C) is the month’s characteristic shift from autumn. December poses a balance of shorter daylight hours and increasing cloud cover. Weather in December »
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January, known for its average high temperature of 53.8°F (12.1°C) and an average low temperature of 39.4°F (4.1°C), is the coldest month.

How much does it rain?

In West Monroe, during the entire year, the rain falls for 149.8 days and collects up to 35.51" (902mm) of precipitation.

When does it snow?

January through March and December are months with snowfall.

How many days does it snow?

In West Monroe, during the entire year, snow falls for 2.1 days and aggregates up to 0.43" (11mm) of snow.

What is the month with the lowest UV index?

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

What is the most humid month?

With an average relative humidity of 82%, February is the most humid month.

When does it snow the most?

February is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.2" (5mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 4.8h of sunshine.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in West Monroe, 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 rainiest month?

The month with the most rainfall is April, when the rain falls for 14.1 days and typically aggregates up to 4.17" (106mm) of precipitation.

When it does not snow?

In West Monroe, snow does not fall in April through November.

When are the longest days?

June has the longest days of the year, with an average of 14h and 18min of daylight.

What are the months with the highest UV index?

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

What is the warmest month in West Monroe?

West Monroe, Louisiana, experiences its highest temperatures in July, with an average peak of 92.8°F (33.8°C) and a low of 73.4°F (23°C).

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.4h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.5" (38mm) of precipitation.

What is the least humid month in West Monroe?

October is the least humid month, with an average relative humidity of 69%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 6min of daylight.
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Average temperature
West Monroe, LA

Average temperature - West Monroe, LA

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (53.8°F).

The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).

Average pressure
West Monroe, LA

Average pressure - West Monroe, LA

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed
West Monroe, LA

Average wind speed - West Monroe, LA

The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).

Average humidity
West Monroe, LA

Average humidity - West Monroe, LA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (69%).

Average rainfall
West Monroe, LA

Average rainfall - West Monroe, LA

The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days
West Monroe, LA

Average rainfall days - West Monroe, LA

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is November (8.5 days).

Average snowfall
West Monroe, LA

Average snowfall - West Monroe, LA

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

Average snowfall days
West Monroe, LA

Average snowfall days - West Monroe, LA

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight / Average sunshine
West Monroe, LA

Average daylight / Average sunshine - West Monroe, LA

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 6min).

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days
West Monroe, LA

Average sunshine days - West Monroe, LA

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is February (13.2 days).

Average UV index
West Monroe, LA

Average UV index - West Monroe, LA

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

Average cloud cover
West Monroe, LA

Average cloud cover - West Monroe, LA

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility
West Monroe, LA

Average visibility - West Monroe, 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).

West Monroe, Louisiana, USA

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