Weather in Willow Grove, Texas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast17%87°71°
- SundayMay 17Thunderstorm12%86°73°
- MondayMay 18Thunderstorm23%89°76°
- TuesdayMay 19Thunderstorm62%89°72°
- WednesdayMay 20Showers50%73°67°
- ThursdayMay 21Light Showers58%81°65°
- FridayMay 22Thunderstorm58%84°65°
- PM 2.5
- 6.9 μg/m³
- PM 10
- 10.2 μg/m³
- NO₂
- 2.0 μg/m³
- Ozone
- 80.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:48 AM
- Moonset
- 1:43 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Willow Grove at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: February 24 (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
Peak growing season
As of May 17, 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 | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Willow Grove's warmest month is August (~85°F mean) and its coldest is January (~47°F). Rainfall peaks in May (4.4 inches) and bottoms out in July (1.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 47° | 2.7″ | 4 |
| February | 51° | 2.7″ | 4 |
| March | 58° | 3.5″ | 5 |
| April | 65° | 3.2″ | 4 |
| May | 74° | 4.4″ | 6 |
| June | 81° | 3.6″ | 4 |
| July | 85° | 1.9″ | 3 |
| August | 85° | 2.4″ | 3 |
| September | 78° | 3.1″ | 4 |
| October | 68° | 4.3″ | 4 |
| November | 57° | 2.9″ | 4 |
| December | 49° | 2.8″ | 5 |
Regional context
Willow Grove sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Houston, TX, Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX.
Frequently asked
- When does it freeze in Willow Grove?
- Willow Grove's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Willow Grove?
- May is the wettest month with about 4.4 inches of rain on average; the city receives roughly 38 inches annually.
- What is the warmest month in Willow Grove?
- August is typically warmest, averaging about 85°F.
- What is the coldest month in Willow Grove?
- January is typically coldest, averaging about 47°F.
- When can I start a vegetable garden in Willow Grove?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Willow Grove get?
- Willow Grove averages about 51 rainy days per year.
- What hardiness zone is Willow Grove?
- Willow Grove'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
Willow Grove, Texas sits in a humid subtropical climate zone. January means hover near 47°F while July averages 85°F — a 38°F seasonal swing.
Across the year, Willow Grove receives about 38 inches of precipitation spread over roughly 51 rainy days.
The rhythm of the year is set by latitude (31.6°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.