Climate and monthly weather forecast
Selby-on-the-Bay, MD

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The climate of Selby-on-the-Bay

Selby-on-the-Bay, Maryland, is situated within the Koppen climate classification 'Cfa', most commonly referred to as Humid subtropical. This zone is characterized by warm summers and mild winters, with no dry season.

Throughout the year, there is a significant variation in the temperature range. The average high temperature fluctuates from the lows of 40.3°F (4.6°C) in January to a peak of 84.7°F (29.3°C) in July. Meanwhile, the average low temperature shifts from 29.8°F (-1.2°C) in January to a summer high of 72°F (22.2°C) in July.

Rainfall presents relatively consistently throughout the year. The monthly level vary from a low of 0.47" (12mm) in January to a maximum of 1.69" (43mm) in August. Similarly, humidity levels remain steady, ranging from 72% to 78%. Interestingly, the month of October shows the lowest rainfall at 0.63" (16mm), despite the adjacent months presenting some of the highest rainfall for the year.

Winds are relatively moderate throughout the year. Average wind speed ranges from 7.5mph (12.1km/h) in June to 10mph (16.1km/h) in January. In terms of relative humidity, the average monthly values maintain quite steady, with subtle differences between 72% in March and 78% in May. The sea temperature, however, peaks at 78°F (25.6°C) in August and hits a yearly low of 45.9°F (7.7°C) in February.

The best time to visit Selby-on-the-Bay

The ideal time to visit Selby-on-the-Bay would be between the months of May and September. During this span, the temperatures are mild and pleasant, with average highs rotating from 71.2°F (21.8°C) to 77°F (25°C). Additionally, it is the period when the sea temperature allows for a comfortable swim, floating between 57.7°F (14.3°C) to 78°F (25.6°C). However, it is worth considering that this time of year is also marked with the highest rainfall, particularly between June and August.

The worst time to visit Selby-on-the-Bay

The least favorable time to visit Selby-on-the-Bay is between November and March. These months show the lowest temperatures, with average highs swinging between 40.3°F (4.6°C) and 54.5°F (12.5°C), and lows ranging from 29.8°F (-1.2°C) to 43.2°F (6.2°C). Moreover, these months bring the least amount of daylight, particularly December, which has around 9.5 hours per day.

Spring weather in Selby-on-the-Bay

Spring in Selby-on-the-Bay lasts from March to May and is characterized by temperature progression and increasing rainfall. In March, average highs begin modestly at 50.5°F (10.3°C) and grow to 71.2°F (21.8°C) by May. Average lows in the meanwhile, progress from 38.5°F (3.6°C) to 57.7°F (14.3°C). Rainfall gradually increases beginning at 0.67" (17mm) in March and culminating in 0.87" (22mm) in May. From a sunshine perspective, these months bring in around 6.9 hours of daily sunshine in March which subsequently rises to 10.4 hours by May.

Summer weather in Selby-on-the-Bay

Summer in Selby-on-the-Bay spans from June to August. The average high temperatures peak in July at 84.7°F (29.3°C) and gradually reduce to 83.3°F (28.5°C) in August. Low temperatures also maintain a comfortable level fluctuating between 66.7°F (19.3°C) and 72°F (22.2°C). These months prove quite humid, with values floating between 74% to 76%. Despite their warmth, these months are also the wettest, with rainfall varying from 1.26" (32mm) in June to 1.69" (43mm) in August.

Autumn weather in Selby-on-the-Bay

Autumn, occurring from September to November, witnesses a steady decline in temperature and rainfall. September starts with an average high temperature of 77°F (25°C), which gradually drops to 54.5°F (12.5°C) by November. Similarly, the average low temperature transitions from 64.6°F (18.1°C) to 43.2°F (6.2°C). Despite the reduced temperatures, this season provides generous amounts of sunshine around 9.2 hours a day in September to 5.9 hours in November.

Winter weather in Selby-on-the-Bay

Winter, spanning from December to February, is relatively cold with modestly reasonable rainfall. The average high temperature over these months fluctuates between 40.3°F (4.6°C) and 46°F (7.8°C) while the low temperature ranges from 29.8°F (-1.2°C) to 36.5°F (2.5°C). Rainfall is slightly more sparing during these months, moving from 0.47" (12mm) in December to 0.55" (14mm) in February. The volume of sunshine also dwindles, ranging from 5.2 hours in December to 5.3 hours in February.

Weather in January

January ushers in the new year in Selby-on-the-Bay, Maryland, with signature cold spells. This month holds some of the most chilling temperatures, with lows reaching down to 29.8°F (-1.2°C). Although snowfall is minimal, the weather remains frigid, with frosts frequently seen in the mornings. Weather in January »

Weather in February

February carries over January's chill, but with slightly milder temperatures. Interestingly, this month experiences the least amount of snowfall for the year with only 0.2" (5mm). The relatively high humidity levels, along with the overcast nature of the skies, ensure that the feel of cold persists. Weather in February »

Weather in March

March begins with the transition from winter to spring in Selby-on-the-Bay. The temperature goes from chilly to moderate, with highs going up to an average of 50.5°F (10.3°C). It also signals the end of the snowfall season, as the last flurries typically occur within this timeframe. Weather in March »

Weather in April

April brings forth a more pronounced change in weather, with temperatures climbing up, rainfall increasing, and snow retreating to the rearview mirror. The temperatures reach a considerable 62.2°F (16.8°C) high, marking April as the first month where no threat of snowfall exists. Weather in April »

Weather in May

May is an enchanting month in Selby-on-the-Bay, emanating a warm welcoming glow with desirable weather conditions. A significant increase is witnessed in the temperature range, soaring up to 71.2°F (21.8°C), making it the warmest month yet. Weather in May »

Weather in June

The arrival of June signifies the advent of Summer in Selby-on-the-Bay. With the temperatures hitting a high of 79.3°F (26.3°C), it's beginning to feel quite warm around the town. The sea temperature also rises remarkably, making it an ideal time for beach visits and waterside activities. Weather in June »

Weather in July

July is characterized by being the hottest month in Selby-on-the-Bay with temperatures soaring up to an average high of 84.7°F (29.3°C). It also marks the peak of the sea's temperature, inviting swimming enthusiasts to take a dip. Weather in July »

Weather in August

August sustains the warmth from the previous month, rendering Selby-on-the-Bay with continued hot summer days. Temperatures slightly decrease from the July peak, with highs resting at an average of 83.3°F (28.5°C). It's bountiful in sunshine and scant in wind gusts, making it excellent weather for water sports and other activities in the bay area. Weather in August »

Weather in September

The arrival of September signals a significant weather shift in Selby-on-the-Bay. The mercury dips down, with the monthly high averaging at 77°F (25°C). With the number of sunshine hours reducing and a decrease in sea temperature, one can attribute this month to the start of Autumn. Weather in September »

Weather in October

October brings with it the full force of Autumn in Selby-on-the-Bay. The decreasing trend in temperatures continues, with the high averaging at a cool 66.2°F (19°C). The descending temperatures resulting in trees now dressed in vibrant hues of reds, oranges, and yellows, making the city a picturesque treat. Weather in October »

Weather in November

November marks the transition of Autumn to Winter in Selby-on-the-Bay. The temperature further reduces, going down to an average high of 54.5°F (12.5°C). It is also the month where daylight hours witness a significant reduction, preparing the town for the forthcoming Winter. Weather in November »

Weather in December

Finally arriving at December, the winter starts to set in deeply at Selby-on-the-Bay. This month witnesses the reappearance of snowfall, albeit low, at an average of 0.12" (3mm), and temperatures dropping to an average high of 46°F (7.8°C). Weather in December »
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest month is January, with an average high-temperature of 40.3°F (4.6°C) and an average low-temperature of 29.8°F (-1.2°C).

What are the least humid months?

The months with the lowest humidity are January, March, April and November, with an average relative humidity of 72%.

What is the driest month?

January is the month with the least rainfall. Rain falls for 6 days and accumulates 0.47" (12mm) of precipitation.

How much does it rain?

Throughout the year, there are 120.4 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

When does it snow?

Months with snowfall are January through March, November and December.

What is the snowiest month?

The month with the most snowfall is January, when snow falls for 2.3 days and typically aggregates up to 0.67" (17mm) of snow.

How many days does it snow?

In Selby-on-the-Bay, during the entire year, snow falls for 8.3 days and aggregates up to 1.22" (31mm) of snow.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.

What is the month with the coldest ocean in Selby-on-the-Bay?

The month with the coldest seawater is February, with an average ocean temperature of 45.9°F (7.7°C).

What is the month with the least sunshine in Selby-on-the-Bay?

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

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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow?

In Selby-on-the-Bay, snow does not fall in April through October.

What is the most humid month?

With an average relative humidity of 78%, May is the most humid month.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days in Selby-on-the-Bay?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What time of the year is the hottest?

Selby-on-the-Bay's warmest month, July, registers temperatures that range from a high of 84.7°F (29.3°C) to a low of 72°F (22.2°C).

What month has the most sunshine?

With an average of 10.8h of sunshine, July has the most sunshine of the year.

What is the wettest month?

The month with the most rainfall is August, when the rain falls for 14.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

When is the ocean warmest?

The month with the warmest seawater is August, with an average ocean temperature of 77.9°F (25.5°C).

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
Selby-on-the-Bay, MD

Average temperature - Selby-on-the-Bay, MD

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure
Selby-on-the-Bay, MD

Average pressure - Selby-on-the-Bay, MD

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed
Selby-on-the-Bay, MD

Average wind speed - Selby-on-the-Bay, MD

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity
Selby-on-the-Bay, MD

Average humidity - Selby-on-the-Bay, MD

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall
Selby-on-the-Bay, MD

Average rainfall - Selby-on-the-Bay, MD

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days
Selby-on-the-Bay, MD

Average rainfall days - Selby-on-the-Bay, MD

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall
Selby-on-the-Bay, MD

Average snowfall - Selby-on-the-Bay, MD

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days
Selby-on-the-Bay, MD

Average snowfall days - Selby-on-the-Bay, MD

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature
Selby-on-the-Bay, MD

Average sea temperature - Selby-on-the-Bay, MD

The best month for swimming (with the highest average sea temperature) is August (78°F).
The coldest month (with the lowest average sea temperature) is February (45.9°F).

Average daylight / Average sunshine
Selby-on-the-Bay, MD

Average daylight / Average sunshine - Selby-on-the-Bay, MD

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days
Selby-on-the-Bay, MD

Average sunshine days - Selby-on-the-Bay, MD

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index
Selby-on-the-Bay, MD

Average UV index - Selby-on-the-Bay, MD

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover
Selby-on-the-Bay, MD

Average cloud cover - Selby-on-the-Bay, MD

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility
Selby-on-the-Bay, MD

Average visibility - Selby-on-the-Bay, MD

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).

Selby-on-the-Bay, Maryland, USA

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