Weather in Jersey City, New Jersey
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—84°51°
- SundayMay 17Overcast—90°63°
- MondayMay 18Drizzle10%86°64°
- TuesdayMay 19Heavy Drizzle15%85°64°
- WednesdayMay 20Drizzle55%88°64°
- ThursdayMay 21Overcast39%72°57°
- FridayMay 22Light Drizzle24%63°51°
- PM 2.5
- 12.3 μg/m³
- PM 10
- 13.9 μg/m³
- NO₂
- 26.5 μg/m³
- Ozone
- 90.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 9:41 AM
- Moonset
- 12:34 AM
- In sign
- ♊︎ Gemini
Roses open along the stoops
Jersey City at a glance
- Today vs. normal: 71°F — typical for the season
- 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 Jersey City's peak warmth at around 78°F mean temperature, while January delivers the year's coldest readings near 34°F. Precipitation follows a different pattern, with July recording the highest rainfall at 4.6 inches and February seeing the least at 3.2 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 34° | 3.6″ | 6 |
| February | 36° | 3.2″ | 6 |
| March | 43° | 4.3″ | 8 |
| April | 54° | 4.1″ | 7 |
| May | 63° | 4.0″ | 7 |
| June | 72° | 4.5″ | 7 |
| July | 78° | 4.6″ | 7 |
| August | 76° | 4.6″ | 7 |
| September | 69° | 4.3″ | 6 |
| October | 58° | 4.4″ | 6 |
| November | 48° | 3.6″ | 6 |
| December | 39° | 4.4″ | 7 |
Regional context
Jersey City falls within the warm-summer humid continental climate zone, sharing temperature ranges and seasonal weather patterns with other cities in this regional climate type.
Similar climates: Trenton, NJ, Newark, NJ, Paterson, NJ, Elizabeth, NJ, Clifton, NJ.
Naturalist notes
Late May brings the peak migration of warblers through Jersey City, with yellow warblers and American redstarts appearing in local parks and green spaces.
Serviceberry trees typically bloom in mid to late April, their white flowers emerging just as the last frost risk passes.
Frequently asked
- When does it freeze in Jersey City?
- Spring's final frost usually occurs around mid-April in Jersey City, while the first fall frost typically arrives around mid-November.
- What is the rainy season in Jersey City?
- July receives the most rainfall, averaging about 4.6 inches, contributing to the city's annual total of roughly 50 inches.
- What is the warmest month in Jersey City?
- July typically records the highest temperatures, with averages around 78°F.
- What is the coldest month in Jersey City?
- January brings the coldest temperatures, averaging about 34°F.
- When can I start a vegetable garden in Jersey City?
- Plant cool-season crops like peas and lettuce around the last spring frost in mid-April, but wait 1–2 weeks later for warm-season varieties like tomatoes and peppers.
- How many rainy days does Jersey City get?
- Jersey City experiences approximately 79 rainy days throughout the year.
- What hardiness zone is Jersey City?
- Check the USDA's online zone lookup tool using Jersey City's ZIP code to find the current hardiness zone, which reflects the area's lowest average winter temperatures.
Climate
Jersey City, New Jersey experiences a warm-summer humid continental climate zone. Temperatures range from January lows near 34°F to July highs around 78°F — creating a 44°F seasonal swing.
Annual precipitation totals about 50 inches, distributed across roughly 79 rainy days throughout the year.
Geography drives the weather patterns here: latitude at 40.7°N, nearby water bodies, and local elevation all influence plant growth cycles, frost timing, and daily weather conditions.