Weather in Seneca Knolls, New York
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Light Rain64%79°42°
- SundayMay 17Overcast—80°56°
- MondayMay 18Thunderstorm29%85°58°
- TuesdayMay 19Heavy Drizzle50%85°64°
- WednesdayMay 20Light Showers71%73°45°
- ThursdayMay 21Overcast—56°41°
- FridayMay 22Overcast10%67°41°
- PM 2.5
- 8.0 μg/m³
- PM 10
- 8.3 μg/m³
- NO₂
- 4.7 μg/m³
- Ozone
- 72.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 9:40 AM
- Moonset
- 12:54 AM
- In sign
- ♉︎ Taurus
Roses open along the stoops
Seneca Knolls at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: May 5 (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
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Seneca Knolls's warmest month is July (~72°F mean) and its coldest is January (~24°F). Rainfall peaks in October (3.9 inches) and bottoms out in February (2.5 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 24° | 2.6″ | 7 |
| February | 26° | 2.5″ | 7 |
| March | 34° | 3.0″ | 8 |
| April | 46° | 3.5″ | 8 |
| May | 58° | 3.4″ | 8 |
| June | 67° | 3.6″ | 7 |
| July | 72° | 3.9″ | 7 |
| August | 70° | 3.7″ | 7 |
| September | 63° | 3.4″ | 6 |
| October | 51° | 3.9″ | 8 |
| November | 41° | 3.2″ | 8 |
| December | 30° | 3.3″ | 8 |
Frequently asked
- When does it freeze in Seneca Knolls?
- Seneca Knolls's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Seneca Knolls?
- October is the wettest month with about 3.9 inches of rain on average; the city receives roughly 40 inches annually.
- What is the warmest month in Seneca Knolls?
- July is typically warmest, averaging about 72°F.
- What is the coldest month in Seneca Knolls?
- January is typically coldest, averaging about 24°F.
- When can I start a vegetable garden in Seneca Knolls?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Seneca Knolls get?
- Seneca Knolls averages about 90 rainy days per year.
- What hardiness zone is Seneca Knolls?
- Seneca Knolls'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
Seneca Knolls, New York sits in a warm-summer humid continental climate zone. January means hover near 24°F while July averages 72°F — a 48°F seasonal swing.
Across the year, Seneca Knolls receives about 40 inches of precipitation spread over roughly 90 rainy days.
The rhythm of the year is set by latitude (43.1°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.