Weather in Carlstadt, New Jersey
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—83°50°
- SundayMay 17Overcast—91°63°
- MondayMay 18Light Drizzle—87°65°
- TuesdayMay 19Drizzle14%96°67°
- WednesdayMay 20Drizzle57%93°63°
- ThursdayMay 21Overcast36%74°56°
- FridayMay 22Light Drizzle22%65°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
- 12:35 AM
- In sign
- ♊︎ Gemini
Roses open along the stoops
Carlstadt at a glance
- Today vs. normal: 72°F — typical for the season
- Last frost: April 21 (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
Carlstadt's warmest month is July (~78°F mean) and its coldest is January (~34°F). Rainfall peaks in July (4.6 inches) and bottoms out in February (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
Carlstadt sits within a warm-summer humid continental climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Trenton, NJ, Newark, NJ, Jersey City, NJ, Paterson, NJ, Elizabeth, NJ.
Frequently asked
- When does it freeze in Carlstadt?
- Carlstadt's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Carlstadt?
- July is the wettest month with about 4.6 inches of rain on average; the city receives roughly 50 inches annually.
- What is the warmest month in Carlstadt?
- July is typically warmest, averaging about 78°F.
- What is the coldest month in Carlstadt?
- January is typically coldest, averaging about 34°F.
- When can I start a vegetable garden in Carlstadt?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Carlstadt get?
- Carlstadt averages about 79 rainy days per year.
- What hardiness zone is Carlstadt?
- Carlstadt's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Carlstadt, New Jersey sits in a warm-summer humid continental climate zone. January means hover near 34°F while July averages 78°F — a 44°F seasonal swing.
Across the year, Carlstadt receives about 50 inches of precipitation spread over roughly 79 rainy days.
The rhythm of the year is set by latitude (40.8°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.