Weather in Newark, New Jersey
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 9:41 AM
- Moonset
- 12:35 AM
- In sign
- ♉︎ Taurus
Roses open along the stoops
Newark at a glance
- Today vs. normal: NaN°F below the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Newark's highest temperatures at around 78°F mean, while January delivers the coldest at approximately 32°F. June sees peak rainfall at 4.9 inches, with February marking the driest period at 3.3 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 3.7″ | 7 |
| February | 34° | 3.3″ | 6 |
| March | 41° | 4.3″ | 7 |
| April | 52° | 4.1″ | 7 |
| May | 63° | 4.4″ | 8 |
| June | 72° | 4.9″ | 7 |
| July | 78° | 4.8″ | 6 |
| August | 76° | 4.4″ | 7 |
| September | 69° | 4.3″ | 6 |
| October | 57° | 4.2″ | 6 |
| November | 46° | 3.6″ | 6 |
| December | 37° | 4.6″ | 8 |
Regional context
Newark falls within the warm-summer humid continental climate region. This classification groups the city with nearby areas that experience similar temperature ranges, seasonal cycles, and growing conditions.
Similar climates: Trenton, NJ, Jersey City, NJ, Paterson, NJ, Elizabeth, NJ, Clifton, NJ.
Naturalist notes
Red maple flowers emerge in late March, their crimson clusters appearing weeks before the leaves unfurl.
American robins begin their dawn chorus around mid-April, signaling the approach of consistent spring weather.
Frequently asked
- When does it freeze in Newark?
- Spring's final frost in Newark typically occurs around mid-April, while the first fall frost returns around mid-November.
- What is the rainy season in Newark?
- June stands as the wettest month, delivering about 4.9 inches of rain on average, contributing to the city's annual total of roughly 50 inches.
- What is the warmest month in Newark?
- July typically brings the warmest weather, with average temperatures around 78°F.
- What is the coldest month in Newark?
- January typically delivers the coldest conditions, averaging about 32°F.
- When can I start a vegetable garden in Newark?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-April, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after that date.
- How many rainy days does Newark get?
- Newark sees rain on about 79 days per year on average.
- What hardiness zone is Newark?
- Newark's USDA hardiness zone depends on its lowest average winter temperatures. Use the USDA's online lookup tool with the city ZIP code to find the current zone designation.
Climate
Newark, New Jersey experiences a warm-summer humid continental climate. January temperatures typically hover near 32°F, while July averages reach 78°F, creating a 46°F seasonal swing.
Throughout the year, Newark collects about 50 inches of precipitation across roughly 79 rainy days.
Weather patterns here follow the city's latitude at 40.7°N, along with the influence of nearby water bodies and local elevation. These factors determine growing seasons, frost timing, and daily weather conditions.