Climate and monthly weather forecast
Biloxi, MS

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A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi
A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi

The climate of Biloxi

Taking root on the shores of the Gulf of Mexico, Biloxi in Mississippi harbors a humid subtropical climate, with no dry season, officially categorized as a Cfa according to the Köppen climate classification. A comprehensive examination of climate patterns presents a broad picture of warm to hot summers and mild winters enveloped by moderate to high amounts of moisture throughout the year.

Breaking down the yearly overview of climate conditions in Biloxi, the annual temperatures shift from a high of approximately 89.8°F (32.1°C) in the peak summer months of July and August, to January's chillier low of 46°F (7.8°C). Relative humidity persists with relatively constant levels, oscillating around the 74% mark, presenting a generally humid environment throughout the year. With notable monthly variances, annual rainfall culminates at approximately 41.43" (1052mm). The zenith is observable in August with 6.34" (161mm), while the nadir of 2.09" (53mm) is witnessed in November.

Underscoring the peculiarity of Biloxi's climate, it must be pointed out that the dearth of snow is distinctive in the city's annual weather pattern, with minimal snowfall recorded in an entire calendar year. In concert with this, the city is bathed in a considerable amount of sunshine yearly, with average daily sunlight hours peaking at 11 hours in June and ebbing to 5.2 hours in December.

The best time to visit Biloxi

With weather conditions being a cardinal factor in shaping travel plans, the optimal time to explore Biloxi would be from March to May. During this period, temperatures nestle around the comfortable zone of 69.4°F (20.8°C) to 82.8°F (28.2°C), presenting congenial conditions for outdoor activities. With rainfall at moderate levels and around seven to ten hours of sunshine daily, these months coax visitors with their promising weather conditions.

The worst time to visit Biloxi

Taking into account weather extremes, the period from June to September might be less inviting for visitors. With daytime temperatures spiking up to 89.8°F (32.1°C) in July and August, along with significantly high rainfall; particularly in July and August, where it cumulatively amounts to 11.89" (302mm), the peak summer months usher in saturated conditions. The relatively higher levels of humidity during this period, coupled with lower wind speeds, may not suit travelers who prefer cooler, dry conditions.

Spring weather in Biloxi

Spring introduces itself in Biloxi with escalating temperatures; transitioning from lows of 55.9°F (13.3°C) in March to highs of 82.8°F (28.2°C) in May. This springtime surge in temperature is complemented by a concomitant increase in rainfall, reaching from 2.56" (65mm) in March to 2.44" (62mm) in May. The city enjoys increased daylight hours during spring, with the sun majestically floating in the sky for about 12 to 13.7 hours every day.

Summer weather in Biloxi

As summer unfurls in Biloxi, temperatures reach their pinnacle, navigating through a high of 88.5°F (31.4°C) in June to a sultry 89.8°F (32.1°C) in August. This period is concomitant with the highest precipitation of the year, particularly in July and August, accumulating more than 5" (127mm) each month. Despite the soaring temperatures and abundant rainfall, summers are radiant, with about 10 to 11 hours of sunlight casting a bright scene every day.

Autumn weather in Biloxi

Autumn in Biloxi, spanning from September to November, unfolds with a decrease in temperatures, dwindling from 86.7°F (30.4°C) in September to a mellow 68.2°F (20.1°C) in November. Rainfall during this period sees a significant drop post September's 3.86" (98mm), settling at 2.09" (53mm) in November. The daylight hours sequentially shrink in autumn, from 12.3 hours in September to 10.6 hours in November

Winter weather in Biloxi

Winter in Biloxi is ushered in by a pronounced drop in temperatures, plummeting to an average low of 46°F (7.8°C) in January. While December and February see moderate rainfall of 3.43" (87mm) and 2.48" (63mm) respectively, January offers a dryer interspace with 2.36" (60mm). The winter season in Biloxi is characterized by a decrease in daylight hours, from 10.2 hours in December to 10.4 hours in February, coinciding with a slight climb in the average wind speed tackling the chill.

Weather in January

January in Biloxi, Mississippi, sees a dip in temperatures setting the stage for a chilly start to the New Year. The highest recorded temperature stands at an average of 59.2°F (15.1°C) while the lowest temperature averages drop to 46°F (7.8°C). Weather in January »

Weather in February

Biloxi beckons February with a slight rise in average temperatures. Transitioning from 46°F (7.8°C) to 50.2°F (10.1°C) as the lowest recorded temperature, Biloxi establishes an incremental warming trend. The month is characterized by a consistent humidity level echoing that of January. Weather in February »

Weather in March

March in Biloxi, Mississippi, sees temperatures rise comparably from February with a recorded highest average of 69.4°F (20.8°C). The advent of Spring commences with the blooming of vibrant flora across the city's landscapes. Don't be deceived by the warmth, as the city gets painted in various hues during this season. Weather in March »

Weather in April

A significant warming trend in April makes Biloxi a much sought after destination for beach activities. From the highest average temperature in March at 69.4°F (20.8°C) to 76.5°F (24.7°C) in April, the city bids farewell to the remnants of the cooler season. Weather in April »

Weather in May

The gradual moderation of climate in Biloxi, Mississippi, peaks in May with the highest temperature reaching an average of 82.8°F (28.2°C). As the sun shines brighter, the days grow longer and the nights shorter. Beaches become the hub of hustle and bustle as the revitalized ocean life catches the attention of locals and tourists alike. Weather in May »

Weather in June

June sees Biloxi largely experience a typical southern summer with an average highest temperature of 88.5°F (31.4°C). The month witnesses an escalation in day length. Despite the heat, residents continue to mobilize during the day courtesy of considerable cloud cover that provides some relief from the sun's glare. Weather in June »

Weather in July

Biloxi welcomes hot July days with a slight rise in humidity. The average highest summer temperature hovers at 89.8°F (32.1°C) marking July as the hottest month of the year. While the scorching days remain the highlight of the month, the evenings provide a soothing counterbalance. Weather in July »

Weather in August

August continues the hot summer streak of its predecessor with an average highest temperature remaining at 89.8°F (32.1°C). It replicates the climate conditions of July, marred by high humidity, prolonged daylight, and a substantial amount of sunshine hours. Weather in August »

Weather in September

The departure of sweltering August paves the way for the temperate September in Biloxi, Mississippi. With the highest temperature dropping to an average of 86.7°F (30.4°C), the climate begins to cool down. The city transitions smoothly into the fall season with nights getting colder and daylight hours becoming shorter. Weather in September »

Weather in October

In the heart of the autumn season, October observes a significant fall in temperature with a high average of 78.4°F (25.8°C). The harvest moon foreshadows the arrival of cooler nights, replenishing the city's landscapes. As the rustling leaves sway to the rhythm of the coastal winds, a distinct crunch under your foot announces the arrival of autumn. Weather in October »

Weather in November

November witnesses another drop in Biloxi's climate graph with the lowest temperature falling to an average of 54.3°F (12.4°C). The picturesque autumn horizon slowly loses its color, preparing for the approaching chilly winter months. Weather in November »

Weather in December

Effacing autumn's last remnants, December brings the chill of winter to Biloxi. The average highest temperature plummets further to 61.9°F (16.6°C) marking the year's climax. The noticeable drop in sea temperature synchronizes with the town’s quiet winter rhythm. Weather in December »
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Frequently asked questions

What are the coldest months in Biloxi?

In Biloxi, January is known for its average lowest temperatures, reaching a high of 59.2°F (15.1°C) and a low of 46°F (7.8°C).

How many days does it rain in Biloxi?

Throughout the year, in Biloxi, there are 179.4 rainfall days, and 40.71" (1034mm) of precipitation is accumulated.

When does it snow in Biloxi?

The only month with snowfall in Biloxi, Mississippi, is January.

When does it snow the most in Biloxi?

January is the month with the most snowfall in Biloxi. Snow falls for 0.4 days and accumulates 0.35" (9mm) of snow.

How many days does it snow in Biloxi?

In Biloxi, during the entire year, snow falls for 0.4 days and aggregates up to 0.35" (9mm) of snow.

When is the ocean coldest in Biloxi?

The month with the coldest seawater in Biloxi is January, with an average ocean temperature of 56.5°F (13.6°C).

What are the months with the lowest UV index in Biloxi?

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

When it does not snow in Biloxi?

February through December are months without snowfall.

When is Daylight Saving Time (DST) in Biloxi?

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.

When is the highest UV index in Biloxi?

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

When are the longest days in Biloxi?

With an average of 14h and 6min of daylight, June has the longest days of the year in Biloxi, Mississippi.

What month has the most sunshine in Biloxi?

With an average of 11h of sunshine, June has the most sunshine of the year in Biloxi, Mississippi.

What are the warmest months in Biloxi?

Biloxi experiences peak temperatures, averaging a high-temperature of 89.8°F (32.1°C) during July and August.

What is the wettest month in Biloxi?

August is the month with the most rainfall. Rain falls for 24.2 days and accumulates 6.34" (161mm) of precipitation.

When is the ocean warmest in Biloxi?

August is the month with the warmest seawater in Biloxi, with an average ocean temperature of 86.5°F (30.3°C).

What is the least humid month in Biloxi?

The least humid month in Biloxi, Mississippi, is October, with an average relative humidity of 70%.

What is the driest month in Biloxi?

The month with the least rainfall is November, when the rain falls for 8.3 days and typically collects 2.09" (53mm) of precipitation.

What is the most humid month in Biloxi?

December is the most humid month in Biloxi, Mississippi, with an average relative humidity of 79%.

What is the month with the shortest days in Biloxi?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Biloxi, Mississippi.

What is the month with the least sunshine in Biloxi?

The month with the least sunshine is December, with an average of 5.2h of sunshine.

Average temperature
Biloxi, MS

Average temperature - Biloxi, MS

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59.2°F).

The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).

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Average pressure
Biloxi, MS

Average pressure - Biloxi, MS

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed
Biloxi, MS

Average wind speed - Biloxi, MS

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

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Average rainfall
Biloxi, MS

Average rainfall - Biloxi, MS

The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is November (2.09").

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Average rainfall days
Biloxi, MS

Average rainfall days - Biloxi, MS

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall
Biloxi, MS

Average snowfall - Biloxi, MS

The month with the highest snowfall is January (0.35").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days
Biloxi, MS

Average snowfall days - Biloxi, MS

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average sea temperature
Biloxi, MS

Average sea temperature - Biloxi, MS

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).

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Average daylight / Average sunshine
Biloxi, MS

Average daylight / Average sunshine - Biloxi, MS

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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days
Biloxi, MS

Average sunshine days - Biloxi, MS

The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are July and August (5.1 days).

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Average UV index
Biloxi, MS

Average UV index - Biloxi, MS

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).

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Average visibility
Biloxi, MS

Average visibility - Biloxi, MS

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).

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Biloxi, Mississippi, USA

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