Climate and monthly weather forecast
Seaside Heights, NJ

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Seaside homes and boats docked along numerous piers and a long and endless road along the town of Seaside Heights in New Jersey
Seaside homes and boats docked along numerous piers and a long and endless road along the town of Seaside Heights in New Jersey

The climate of Seaside Heights

Seaside Heights, New Jersey, USA, experiences a predominantly Humid Subtropical climate, as per the Köppen climate classification. This climatic type is marked by Cfa, signifying no dry season and hot summers. The region's geographical position enables a constant stream of humidity, evident in the relative humidity that oscillates between 74% to 81% during different parts of the year.

Observing the twelve months of data, there is a cyclical pattern noticeable throughout the year. The patterns display highs and lows in temperature, rainfall, daylight, and sunshine. The annual high temperature peaks in July at 79.2°F (26.2°C) while the lowest recorded temperature dips to 30.2°F (-1°C) in January. Seaside Heights witnesses relatively high rainfall with the highest in July at 3.62" (92mm) and the lowest in February at 2.01" (51mm). An interesting pattern is seen in snowfall, where snow is present from January to March and in November and December, with the highest accumulation in January at 1.34" (34mm).

The best time to visit Seaside Heights

Considering the weather data, the most favorable time to explore Seaside Heights would be from late spring to early summer, specifically from May to June. This period sees a comfortable temperature range, with highs ranging from 63.3°F (17.4°C) to 72.7°F (22.6°C) and lows between 55.6°F (13.1°C) to 64.9°F (18.3°C). These months also feature a significant sunlight duration, with daylight lasting between 14.4 hours to 15 hours and sunshine in the range of 8.8 hours to 10 hours. The UV index during this time is also moderate, falling between 5 to 6, ensuring a pleasant weather condition.

The worst time to visit Seaside Heights

The least desirable time to visit Seaside Heights would be in the winter months from December to February. During this time, temperatures undergo a sharp fall, with highs only between 39°F (3.9°C) to 45.9°F (7.7°C) and lows plunging to 30.2°F (-1°C) to 37.2°F (2.9°C). Rainfall intensifies in these months, with December witnessing the highest rainfall at 3.7" (94mm). The short daylight hours, ranging from 9.7 hours to 12 hours, coupled with reduced sunshine hours between 5.1 hours to 6.4 hours, contribute to the generally bleak winter conditions.

Spring weather in Seaside Heights

During the Spring season from March to May, Seaside Heights experiences a gradual increase in temperature, with highs between 45.9°F (7.7°C) to 63.3°F (17.4°C) and lows from 37.2°F (2.9°C) to 55.6°F (13.1°C). The amount of rainfall goes through a noticeable increase, from 2.91" (74mm) in March to 2.87" (73mm) in May. The daylight hours during spring increase substantially, ranging from 12 hours in March to 14.4 hours in May, complemented by an increment in daily sunshine hours from 6.4 hours to 8.8 hours.

Summer weather in Seaside Heights

In the Summer season, Seaside Heights experiences hotter conditions with temperature highs between 72.7°F (22.6°C) to 79.2°F (26.2°C) and lows from 64.9°F (18.3°C) to 71.6°F (22°C) from June through August. Despite the rise in temperature, the region's relative humidity remains consistent at 79% to 81%. The summer months see longer daylight hours between 14.7 hours and 15 hours with abundant sunshine hours of about 10 hours to 10.8 hours. There is also a marked decrease in rainfall during these months, from 2.76" (70mm) in June to 3.07" (78mm) in August.

Autumn weather in Seaside Heights

Seaside Heights experiences a decrease in temperatures in the Autumn months from September to November. High temperatures range from 72.5°F (22.5°C) to 53.2°F (11.8°C) and lows from 66°F (18.9°C) to 44.8°F (7.1°C). Rainfall is moderate in autumn, with the highest in October with 2.99" (76mm). Daylight hours decrease from 12.4 hours in September to 10 hours in November, paralleled by a decline in sunshine hours from 9 hours to 5.4 hours.

Winter weather in Seaside Heights

Winter in Seaside Heights is characterized by low temperatures and increased rainfall. From December to February, the high temperatures range from 39°F (3.9°C) to 45.9°F (7.7°C) while lows dwindle between 30.2°F (-1°C) and 37.2°F (2.9°C). The highest rainfall is recorded in December at 3.7" (94mm). Interestingly, snowfall is experienced during these winter months, with the most notable accumulation in January, recording 1.34" (34mm). The daylight duration in winter is the shortest, falling from 10 hours to 9.7 hours, while sunshine hours fluctuate between 5.4 hours and 5.2 hours.

Weather in January

A new year in Seaside Heights, New Jersey, commences with weather conditions that are mostly cold and humid. The days are often overcast, with sunlight only gracing the township for an average of 5.2 hours per day. Notably, snowfall occurs for about four days, with a peak accumulation of 1.34" (34mm). Weather in January »

Weather in February

As the calendar turns to February, the biting cold of the winter slightly loosens its grip on Seaside Heights. The decreased intensity of snowfall and a slightly warmer temperature range usher in a sense of a nearing Spring. The average temperature fluctuates between 31.8°F (-0.1°C) and 41°F (5°C), signifying a slight rise compared to January. Weather in February »

Weather in March

March witnesses a significant transition in Seaside Heights' weather pattern, signaling the onset of Spring. Temperatures begin to rise, the snow gradually recedes, and the town begins to see increased daylight. On average, March receives a modest rainfall of approximately 2.91" (74mm) spread across around 14 days. Weather in March »

Weather in April

April invites a perceptible change, with Seaside Heights transitioning from the crispness of spring to the mildness of the approaching summer. Days lengthen, receiving more generous sunshine hours, while temperatures continue to ascend. Weather in April »

Weather in May

In May, Seaside Heights thoroughly welcomes the warmth of Spring. The chill gradually dissipates, replaced by a pleasant warmth permeating the air. Notable is the precipitous rise in sea temperatures, from 46.5°F (8.1°C) in April to 54.9°F (12.7°C) in May. Weather in May »

Weather in June

June marks the arrival of summer in Seaside Heights, characterized by relatively hot temperatures, ample daylight, and significantly warmer sea water. The days are long and sunny, perfect for beach activities and outdoor pursuits. Weather in June »

Weather in July

July stands out as the warmest month in Seaside Heights, showcasing the full bloom of summer. The town basks under the sun for long hours, while daylight stretches to 14.7 hours on average. A high temperature parameter of 79.2°F (26.2°C) is witnessed, making July the hottest month of the year. Weather in July »

Weather in August

As August rolls in, Seaside Heights enjoys continuous summer conditions, despite a slight dip in temperatures from the peak in July. Days continue to be long and vibrant, and the sea remains warm and inviting. Despite slight reductions, August maintains a high sea temperature of 75.8°F (24.3°C). Weather in August »

Weather in September

September in Seaside Heights is marked by the onset of fall, as the heat begins to wane and the climate turns more pleasant. The town retains warmth, although days gradually become shorter. Exceptionally, rainfall registers a low of 2.09" (53mm) this month. Weather in September »

Weather in October

October carries the signature of Autumn in Seaside Heights. Temperatures drop, trees begin to shed their leaves, and the seaside town unveils a different shade of beauty. Amidst these changes, October sees one of the highest rains postings, with recorded rainfall of 2.99" (76mm). Weather in October »

Weather in November

November signifies the arrival of late Autumn in Seaside Heights. The landscape transforms, presenting a unique view marked by naked trees and a crisp chill in the air. A slight return of snowfall is evident, clocking an average 0.16" (4mm), indicating winter's approach. Weather in November »

Weather in December

In December, Seaside Heights embraces the winter season. Temperatures dip considerably, driving locals and visitors towards thick coats and warm fireplaces. One of the notable weather aspects is significant rainfall, with accumulations reaching 3.7" (94mm). Weather in December »
Updated: Feb 13, 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 Seaside Heights?

Seaside Heights's coldest temperatures are experienced in January, with average high temperatures of 39°F (3.9°C) and lows of 30.2°F (-1°C).

What are the least humid months in Seaside Heights?

January and November, with an average relative humidity of 74%, are the least humid months.

What is the driest month in Seaside Heights?

January is the month with the least rainfall. Rain falls for 9 days and accumulates 2.01" (51mm) of precipitation.

How much does it rain in Seaside Heights?

In Seaside Heights, New Jersey, during the entire year, the rain falls for 155 days and collects up to 33.23" (844mm) of precipitation.

When does it snow in Seaside Heights?

January through April, November and December are months with snowfall in Seaside Heights.

What is the snowiest month in Seaside Heights?

January is the month with the most snowfall in Seaside Heights. Snow falls for 4.4 days and accumulates 1.34" (34mm) of snow.

How much does it snow in Seaside Heights?

In Seaside Heights, New Jersey, during the entire year, snow falls for 13.1 days and aggregates up to 4.65" (118mm) of snow.

What are the months with the lowest UV index in Seaside Heights?

The months with the lowest UV index in Seaside Heights are January through March and December, with an average maximum UV index of 2.

What is the month with the coldest ocean in Seaside Heights?

The month with the coldest seawater is February, with an average ocean temperature of 40.8°F (4.9°C).

What is the month with the least sunshine in Seaside Heights?

February has the least sunshine of the year in Seaside Heights, with an average of 4.9h of sunshine.

When is Daylight Saving Time (DST) in Seaside Heights?

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.

What is the most humid month in Seaside Heights?

May and June, with an average relative humidity of 81%, are most humid months in Seaside Heights.

When it does not snow in Seaside Heights?

In Seaside Heights, New Jersey, snow does not fall in May through October.

When are the longest days in Seaside Heights?

The month with the longest days in Seaside Heights is June, with an average of 15h and 0min of daylight.

What is the month with the highest UV index in Seaside Heights?

The months with the highest UV index in Seaside Heights are June through August, with an average maximum UV index of 6.

What is the warmest month in Seaside Heights?

July, recognised by an average high temperature of 79.2°F (26.2°C) and a low of 71.2°F (21.8°C), is Seaside Heights's warmest month.

What month has the most sunshine in Seaside Heights?

The month with the most sunshine is July, with an average of 10.8h of sunshine.

What is the month with the warmest ocean in Seaside Heights?

The month with the warmest seawater in Seaside Heights is August, with an average ocean temperature of 75.7°F (24.3°C).

What is the rainiest month in Seaside Heights?

December is the month with the most rainfall in Seaside Heights, New Jersey. Rain falls for 11.8 days and accumulates 3.7" (94mm) of precipitation.

What is the month with the shortest days in Seaside Heights?

With an average of 9h and 24min of daylight, December has the shortest days of the year in Seaside Heights, New Jersey.

Average temperature
Seaside Heights, NJ

Average temperature - Seaside Heights, NJ

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure
Seaside Heights, NJ

Average pressure - Seaside Heights, NJ

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Seaside Heights, NJ

Average wind speed - Seaside Heights, NJ

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

Average humidity
Seaside Heights, NJ

Average humidity - Seaside Heights, NJ

The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall
Seaside Heights, NJ

Average rainfall - Seaside Heights, NJ

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days
Seaside Heights, NJ

Average rainfall days - Seaside Heights, NJ

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).

Average snowfall
Seaside Heights, NJ

Average snowfall - Seaside Heights, NJ

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Seaside Heights, NJ

Average snowfall days - Seaside Heights, NJ

The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature
Seaside Heights, NJ

Average sea temperature - Seaside Heights, NJ

The best month for swimming (with the highest average sea temperature) is August (75.8°F).
The coldest month (with the lowest average sea temperature) is February (40.8°F).

Average daylight / Average sunshine
Seaside Heights, NJ

Average daylight / Average sunshine - Seaside Heights, NJ

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days
Seaside Heights, NJ

Average sunshine days - Seaside Heights, NJ

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).

Average UV index
Seaside Heights, NJ

Average UV index - Seaside Heights, NJ

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

Average visibility
Seaside Heights, NJ

Average visibility - Seaside Heights, NJ

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).

Seaside Heights, New Jersey, USA

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