Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Union City (NJ) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Union City.
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Climate overview of Union City
Union City, New Jersey, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in July, while winters cool to 4°C (39°F) in January.
With around 1255 mm (49 in) of annual rain/snowfall, Union City has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has very warm summers and cold winters. The wettest month is June. The sunniest month is July, with 9.0 hours of sunshine per day on average.
Union City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Union City - and find the best time to visit.
Monthly Temperature in Union City
Depending on the time of the year, temperatures range from very warm to chilly in Union City. Average daytime temperatures reach a very warm 30°C (86°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 22°C (72°F) in July to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Union City
Union City has a relatively rain/snowy climate with high precipitation levels, averaging 1255 mm (49 in) of rain/snowfall annually. Union City experiences moderate seasonal variation in rainfall, with monthly averages ranging from 132 mm (5.2 in) in June, the wettest month, and 75 mm (3 in) in November, the driest month. For more details, please visit our Union City Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Union City
Union City can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: New York City, the United States of America (10 KM, 6 Miles).
Daily hours of sunshine
Data from: New York City, the United States of America (10 KM, 6 Miles).
Daily percentage of sunshine
Data from: New York City, the United States of America (10 KM, 6 Miles).
Water Temperature in Union City
The mean water temperature over the year ranges from 4°C (39°F) in February to 23°C (73°F) in August.
Water temperature over the year
Data from: New York City, the United States of America (10 KM, 6 Miles).
Humidity in Union City by Month
The relative humidity is high throughout the year in Union City.
The city experiences its highest humidity in September, reaching 68%. In April, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: New York City, the United States of America (10 KM, 6 Miles).
Wind Speed in Union City
The average wind speed over the year ranges from 5 m/s (10 knots) to 7 m/s (14 knots). It is lower in May, June, July, August, September and October and higher in March. What does this mean?
The mean monthly wind speed over the year (meters per second)
Data from: New York City, the United States of America (10 KM, 6 Miles).
Best Time to Visit Union City
For comfortable weather, consider visiting Union City in September. Conditions are usually least favourable in January, February, March and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
cold
Feb
cold
Mar
cold
Apr
mixed
May
very good
Jun
very good
Jul
mixed
Aug
very good
Sep
excellent
Oct
good
Nov
mixed
Dec
wet
- Best overall: September
- Warmest weather: July and August
- Most sunshine: May, June, July and August
- Best for swimming: July, August and September.
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Union City
What is the best time to visit Union City?
September typically offers the most optimal weather in Union City. In contrast, January, February, March and December tend to have less optimal conditions. Union City has very warm summers and cold winters.
What temperatures can I expect in Union City?
Daytime highs range from 4°C (39°F) in January to 30°C (86°F) in July. Nighttime lows range from -3°C (27°F) to 22°C (72°F). Temperatures vary considerably through the year.
How much rain does Union City get?
Annual rainfall is around 1255 mm (49 in). June is the wettest month with 132 mm (5.2 in), while November is the driest with 75 mm (3 in).
How sunny is Union City?
Union City receives around 2,544 hours of sunshine per year. July is the sunniest month with 271 hours, while December is the cloudiest with just 141 hours. Overall, Union City enjoys abundant sunshine.
Union City 3-Day Forecast
Union City on the map
Union City is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Miami Beach
29°C (84°F) Orlando29°C (84°F) Kissimmee
29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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