Ivyland, Pennsylvania Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Ivyland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——87°56°—
- FridayJun 5Overcast——92°64°+5°
- SaturdayJun 6Light Drizzle30%—87°67°-5°
- SundayJun 7Drizzle32%—86°67°-1°
- MondayJun 8Overcast20%—76°62°-10°
- TuesdayJun 9Overcast——81°55°+5°
- WednesdayJun 10Overcast10%—86°60°+5°
PM2.5 at 10.1 µg/m³ (AQI 53) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 10 over the last 6 hours (steady decline since this morning).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 10.1 µg/m³ (AQI 53) with a 0.94 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).










































A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:29 AM
- Moonset
- 12:59 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Ivyland at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
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
Ivyland's warmest month is July (~76°F mean) and its coldest is January (~30°F). Rainfall peaks in July (4.9 inches) and bottoms out in February (3.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.7″ | 7 |
| February | 32° | 3.1″ | 6 |
| March | 40° | 4.6″ | 8 |
| April | 51° | 4.0″ | 7 |
| May | 61° | 4.0″ | 7 |
| June | 71° | 4.6″ | 7 |
| July | 76° | 4.9″ | 7 |
| August | 74° | 4.7″ | 6 |
| September | 67° | 4.7″ | 6 |
| October | 55° | 4.2″ | 6 |
| November | 44° | 3.6″ | 6 |
| December | 35° | 4.7″ | 8 |
Regional context
Ivyland's baseline climate, derived from NOAA NCEI 1991-2020 normals at the nearest reporting station, swings from a January mean of 30°F to a July mean of 76°F — a 45°F seasonal arc typical of the mid-latitude bands. Annual precipitation runs about 50.7 inches spread across roughly 82 days with measurable rain or snow each year.
Rainfall stays relatively even across the calendar: July tops out at 4.9 inches across 7.4 days with measurable rain, and February settles around 3.1 inches across 6.0 rainy days — a comparatively narrow seasonal range. That even-rainfall rhythm puts Ivyland alongside places like Warminster Heights, PA, Hatboro, PA and Richboro, PA — places without a single dominant storm season, where moisture arrives steadily across the calendar.
The frost-sensitive growing window opens around mid-April, when overnight lows reliably clear freezing for cool-season crops like peas, lettuce, spinach, and radishes. Heat-loving transplants like tomatoes, peppers, and squash generally hold off for another 10-14 days to clear the last spring frost risk window. The window closes around mid-November, when overnight lows resume dipping below freezing and frost-tender plants need protection or harvest. These dates represent 30-year central tendencies; actual year-to-year variation can shift either bookend by 7-14 days, and local microclimate features within Ivyland — cold-air drainage on calm clear nights, slope aspect, distance from any nearby lake or river — can push the practical frost window earlier or later than the regional average.
Similar climates: Warminster Heights, PA, Hatboro, PA, Richboro, PA, Churchville, PA, Bryn Athyn, PA.
Frequently asked
- When does it freeze in Ivyland?
- Ivyland's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Ivyland?
- July is the wettest month with about 4.9 inches of rain on average; the city receives roughly 51 inches annually.
- What is the warmest month in Ivyland?
- July is typically warmest, averaging about 76°F.
- What is the coldest month in Ivyland?
- January is typically coldest, averaging about 30°F.
- When can I start a vegetable garden in Ivyland?
- 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 Ivyland get?
- Ivyland averages about 82 rainy days per year.
- What hardiness zone is Ivyland?
- Ivyland'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
Ivyland, Pennsylvania sits in a warm-summer humid continental climate zone. January means hover near 30°F while July averages 76°F — a 45°F seasonal swing.
Across the year, Ivyland receives about 51 inches of precipitation spread over roughly 82 rainy days.
The rhythm of the year is set by latitude (40.2°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.