Weather in Plano, Texas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast16%89°71°
- SundayMay 17Light Drizzle—88°72°
- MondayMay 18Thunderstorm13%90°76°
- TuesdayMay 19Thunderstorm54%85°67°
- WednesdayMay 20Showers50%79°64°
- ThursdayMay 21Light Showers56%77°67°
- FridayMay 22Thunderstorm51%83°67°
- PM 2.5
- 8.6 μg/m³
- PM 10
- 11.7 μg/m³
- NO₂
- 6.7 μg/m³
- Ozone
- 88.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:41 AM
- Moonset
- 1:45 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Plano at a glance
- Today vs. normal: 81°F — typical for the season
- Last frost: March 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
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
July brings Plano's warmest temperatures (~85°F mean) while January delivers the coldest (~46°F). Rainfall reaches its peak in October (5.3 inches) and drops to its lowest point in July (2.2 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 46° | 2.8″ | 5 |
| February | 50° | 3.4″ | 5 |
| March | 58° | 3.6″ | 6 |
| April | 65° | 3.5″ | 5 |
| May | 73° | 5.2″ | 7 |
| June | 81° | 3.8″ | 5 |
| July | 85° | 2.2″ | 4 |
| August | 85° | 2.5″ | 4 |
| September | 77° | 3.3″ | 4 |
| October | 67° | 5.3″ | 6 |
| November | 56° | 3.0″ | 4 |
| December | 48° | 3.4″ | 4 |
Regional context
Plano belongs to a humid subtropical climate region that encompasses nearby cities with similar temperature ranges, seasonal patterns, and growing conditions.
Similar climates: Houston, TX, Dallas, TX, San Antonio, TX, Austin, TX, Fort Worth, TX.
Naturalist notes
By late May, mockingbirds establish their territories and begin their elaborate song cycles that continue through the breeding season.
Eastern redbuds finish their flowering period in early April, with heart-shaped leaves emerging as the pink blooms fade.
Frequently asked
- When does it freeze in Plano?
- The last spring frost in Plano typically occurs around mid-March, while the first fall frost arrives around mid-December.
- What is the rainy season in Plano?
- October ranks as the wettest month with about 5.3 inches of rain on average, contributing to the city's roughly 42 inches annually.
- What is the warmest month in Plano?
- July typically brings the warmest temperatures, averaging about 85°F.
- What is the coldest month in Plano?
- January typically delivers the coldest temperatures, averaging about 46°F.
- When can I start a vegetable garden in Plano?
- Cool-season crops (peas, lettuce) can be planted around the last spring frost (mid-March), while warm-season crops (tomatoes, peppers) should wait until 1–2 weeks after.
- How many rainy days does Plano get?
- Plano experiences about 57 rainy days per year on average.
- What hardiness zone is Plano?
- Plano's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup with the city ZIP provides the current zone designation.
Climate
Plano, Texas experiences a humid subtropical climate zone. Temperatures hover near 46°F in January while July averages 85°F, creating a 39°F seasonal swing.
Throughout the year, Plano receives about 42 inches of precipitation distributed across roughly 57 rainy days.
Latitude (33.1°N), proximity to large water bodies, and elevation determine the rhythm of each year. These factors shape what grows here, when frost is likely, and the daily weather patterns.