Climate and monthly weather forecast
Passaic, NJ

Today
Tomorrow
Long-term
YearJFMAMJJASOND
°Celsius°Fahrenheit
Share
Contents

The climate of Passaic

Located in the New Jersey, USA, Passaic experiences a Humid subtropical climate, as defined by the Köppen climate classification. Its geographical location contributes to its unique weather patterns, where the year-round climatic parameters fluctuate, showcasing both hot summers and mild winters.

Throughout the year, temperature highs in Passaic range from 35.4°F (1.9°C) in the coldest month, January, to a peak of 84.2°F (29°C) during July, the warmest month. On the other hand, the minimum temperatures range from 24.1°F (-4.4°C) in January to a maximum low of 67.8°F (19.9°C) in July. The view portrayed here is one of both variety and contrast. Relative humidity hovers around an average of 74% during the year, indicating a humid atmosphere prevalent during most months.

Rainfall displays remarkable variability in Passaic. The city sees an annual rainfall range from 1.46" (37mm) in February to a high of 2.91" (74mm) in July. The number of rainfall days per month also extends from 7.5 days in January to a maximum of 17.2 days in July, offering citizens many wet days in the warmer month.

Finally, snowfalls are not uncommon in this area. Snowfall can reach up to 2.83" (72mm) in March and fall as low as 0.04" (1mm) in November. Snow is witnessed from 0.3 days to 5.9 days annually, all depending on the specific month.

The best time to visit Passaic

Optimal visiting to Passaic would most likely coincide when favourable weather elements are at their peak. From May to October, the average maximum temperature ranges from a pleasant 69.4°F (20.8°C) to a warm 84.2°F (29°C), making outdoor activities delightful. Besides, the amount of daylight during these months ranges from 13.3 hours to a generous 15.1 hours, offering ample sunlight for exploration.

Altogether, sunshine hours experience a surge from 8.6 hours in May to a maximum of 10.5 hours in July. Average wind speed during this period is relatively consistent, around 6.4mph (10.3km/h) to 5.8mph (9.3km/h). Varying slightly, wind gust speeds span from 10.1mph (16.3km/h) to 8.5mph (13.7km/h), adding to the comfortability of the climate.

The worst time to visit Passaic

Those averse to cold weather may find the period from December through February challenging. The average maximum temperature dips to a chilly 35.4°F (1.9°C) in January, preventing many outdoor activities. Coupled with shorter daylight hours, ranging from 9.3 hours to 10.7 hours, indoor pursuits are preferable.

Also, snowy days can be as high as 5.9 days in February, and snowfall reaches a maximum of 2.24" (57mm) in the same month. Wind speeds peak around this time, reaching an average of 8.8mph (14.2km/h) in January, and gusting to 13.2mph (21.2km/h) in both January and February.

Spring weather in Passaic

Spring in Passaic spans from March to May and is quite mild. The maximum temperature highs rise from 46.6°F (8.1°C) to 69.4°F (20.8°C), while the minimum lows vary from 33.1°F (0.6°C) in March to 52.7°F (11.5°C) in May. Rainfall sees a relative increase during this time, from 2.09" (53mm) in March to 2.4" (61mm) in May, with the average rainfall days increasing correspondingly from 11.7 to 16.3. Snow is rare past March, contributing to the more congenial spring temperatures.

Summer weather in Passaic

Summer in Passaic, from June to August, displays warm temperatures. The maximum temperature trends from 77.5°F (25.3°C) in June to 82.2°F (27.9°C) in August and minimums from 60.8°F (16°C) to 66.9°F (19.4°C). It experiences the most rainfall between 2.48" (63mm) in June to a peak of 2.91" (74mm) in July. The average number of daylight hours is relatively stable, ranging from 15.1 hours in June to 13.8 hours in August, ensuring plenty of sunlight for outdoor escapades.

Autumn weather in Passaic

Autumn in Passaic, from September to November, witnesses a gradual drop in temperatures from the balmy summer highs. Maximum temperatures decrease from 75.4°F (24.1°C) in September to 50.9°F (10.5°C) by November. Correspondingly, the minimum temperatures also drop from 59.9°F (15.5°C) to 38.3°F (3.5°C). The pattern of rainfall shifts, decreasing from 1.54" (39mm) in September to 1.81" (46mm) in November.

Winter weather in Passaic

In winter, from December to February, Passaic sees a steady drop in temperatures, from maximum highs of 41.7°F (5.4°C) in December to 35.4°F (1.9°C) by February. The minimum temperatures follow suit, dropping from 31.1°F (-0.5°C) in December to 24.1°F (-4.4°C) in February. Snowfall picks up during these months, peaking at 2.24" (57mm) in February while snowy days increase to a maximum of 5.9 days in the same month, giving the city its beautiful winter charm.

Weather in January

The air in January in Passaic, New Jersey, is typically crisp. A notable chill can be felt, indicated by the range from 24.1°F (-4.4°C) to 35.4°F (1.9°C). The region is enveloped in about 9.6 hours of daylight, which can contribute to a calm and serene environment. Weather in January »

Weather in February

In February, Passaic, New Jersey, moves a step closer to spring. With high and low temperatures edging up to 38.8°F (3.8°C) and 26.1°F (-3.3°C) respectively, there is a slight yet noticeable increase from the previous month. Weather in February »

Weather in March

March in Passaic, New Jersey, initiates a shift from winter cold to spring warmth. The difference is perceptible in temperatures that span from 33.1°F (0.6°C) to 46.6°F (8.1°C). The increasing daylight hours start reaching 12, offering residents a bit more time to enjoy the outdoors. Weather in March »

Weather in April

Spring begins to unfurl its colors in April in Passaic, New Jersey. The range of temperatures goes from 43.3°F (6.3°C) to 58.5°F (14.7°C), offering the warmth that the city has been yearning for after the long winter. Residents can expect to see the city landscape becoming greener and more vibrant. Weather in April »

Weather in May

In May, Passaic, New Jersey, welcomes spring in its full glory. The temperature levels scale between 52.7°F (11.5°C) and 69.4°F (20.8°C), signifying the transition towards the balmy days of summer. The city bustles with activity as numerous outdoor events and farmers' markets open in this period. Weather in May »

Weather in June

June in Passaic, New Jersey, marks the advent of summer with typical temperatures ranging from 60.8°F (16°C) to 77.5°F (25.3°C). The longest days of the year occur in June, reaching up to 15.1 hours of daylight, providing plenty of sunshine for residents to enjoy outdoor activities. Weather in June »

Weather in July

July in Passaic, New Jersey, is characterized by some of the hottest conditions of the year with temperatures peaking at 84.2°F (29°C). The abundant sunlight and dry periods give way to clear skies, creating excellent conditions for outdoor activities. Weather in July »

Weather in August

The weather in August in Passaic, New Jersey, begins to wind down from the peak summer heat with temperatures easing to between 66.9°F (19.4°C) and 82.2°F (27.9°C). Despite the days gradually becoming shorter, they are still amply lit for residents to indulge in their favorite outdoor activities. Weather in August »

Weather in September

September in Passaic, New Jersey, signifies the arrival of fall with temperatures oscillating between 59.9°F (15.5°C) and 75.4°F (24.1°C). The weather, morphing from summer heat to pleasant warmth, steers individuals to partake in activities like hiking, camping, and sightseeing. Weather in September »

Weather in October

October in Passaic, New Jersey, offers the quintessential autumn experience. Temperatures slip between 49.8°F (9.9°C) and 63°F (17.2°C), highlighting moderate and comfortable weather conditions. The trees change colors in a spectacle of nature's flamboyance, attracting leaf peeping tourists. Weather in October »

Weather in November

In November, Passaic, New Jersey, transitions from the vibrant autumn to the dormant winter, with temperatures between 38.3°F (3.5°C) and 50.9°F (10.5°C). The dwindling daylight hours, now down to 9.9 hours, further underline the shift. Weather in November »

Weather in December

In December, Passaic, New Jersey, fully embraces winter with temperatures spanning from 31.1°F (-0.5°C) to 41.7°F (5.4°C). Snowfall becomes a common sight, casting a classic winter aura on the city. The festive season brings about a magical ambiance, amplified by the twinkling cityscape. Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Passaic?

January is the coldest month, exhibiting average temperatures of 35.4°F (1.9°C) at the peak and 24.1°F (-4.4°C) at the base.

How much does it rain in Passaic?

In Passaic, during the entire year, the rain falls for 150.9 days and collects up to 25.28" (642mm) of precipitation.

When does it snow in Passaic?

Months with snowfall in Passaic, New Jersey, are January through April, November and December.

How much does it snow in Passaic?

Throughout the year, in Passaic, there are 20 snowfall days, and 8.07" (205mm) of snow is accumulated.

When is the lowest UV index in Passaic?

The months with the lowest UV index in Passaic, New Jersey, are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Passaic?

February and December, with an average relative humidity of 77%, are most humid months.

What is the driest month in Passaic?

The month with the least rainfall in Passaic, New Jersey, is February, when the rain falls for 8.9 days and typically collects 1.46" (37mm) of precipitation.

What is the month with the least sunshine in Passaic?

With an average of 4.7h of sunshine, February has the least sunshine of the year.

What is the snowiest month in Passaic?

March is the month with the most snowfall in Passaic. Snow falls for 4.3 days and accumulates 2.83" (72mm) of snow.

When is Daylight Saving Time (DST) in Passaic?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Passaic, 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 Passaic?

May through October are months without snowfall in Passaic.

When are the longest days in Passaic?

June has the longest days of the year, with an average of 15h and 6min of daylight.

What are the months with the highest UV index in Passaic?

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

What time of the year is the hottest in Passaic?

July tends to be the warmest month, with temperatures averaging a daily high of 84.2°F (29°C) and a low of 67.8°F (19.9°C).

What is the wettest month in Passaic?

July is the month with the most rainfall. Rain falls for 17.2 days and accumulates 2.91" (74mm) of precipitation.

What month has the most sunshine in Passaic?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Passaic, New Jersey.

What is the least humid month in Passaic?

August is the least humid month in Passaic, New Jersey, with an average relative humidity of 71%.

What is the month with the shortest days in Passaic?

With an average of 9h and 18min of daylight, December has the shortest days of the year.
Today
Tomorrow
Long-term
YearJFMAMJJASOND

Average temperature
Passaic, NJ

Average temperature - Passaic, NJ

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

Average pressure
Passaic, NJ

Average pressure - Passaic, 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
Passaic, NJ

Average wind speed - Passaic, NJ

The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity
Passaic, NJ

Average humidity - Passaic, NJ

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

Average rainfall
Passaic, NJ

Average rainfall - Passaic, NJ

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days
Passaic, NJ

Average rainfall days - Passaic, NJ

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (7.5 days).

Average snowfall
Passaic, NJ

Average snowfall - Passaic, NJ

The month with the highest snowfall is March (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Passaic, NJ

Average snowfall days - Passaic, NJ

The month with the highest number of snowfall days is February (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Passaic, NJ

Average daylight / Average sunshine - Passaic, NJ

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days
Passaic, NJ

Average sunshine days - Passaic, NJ

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.5 days).

Average UV index
Passaic, NJ

Average UV index - Passaic, 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, November and December (UV index 2).

Average cloud cover
Passaic, NJ

Average cloud cover - Passaic, NJ

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility
Passaic, NJ

Average visibility - Passaic, 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).

Passaic, New Jersey, USA

Weather forecast for today
Weather forecast for tomorrow
10 days weather forecast
Climate data
1January
2February
3March
4April
5May
6June
7July
8August
9September
10October
11November
12December

Weather forecast for your location

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