Weather in San Pedro, Texas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—93°75°
- SundayMay 17Thunderstorm—94°79°
- MondayMay 18Thunderstorm12%95°79°
- TuesdayMay 19Thunderstorm14%94°76°
- WednesdayMay 20Thunderstorm36%94°78°
- ThursdayMay 21Thunderstorm39%88°76°
- FridayMay 22Light Drizzle39%92°76°
- PM 2.5
- 8.7 μg/m³
- PM 10
- 11.8 μg/m³
- NO₂
- 2.2 μg/m³
- Ozone
- 71.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 12:04 PM
- Moonset
- 1:29 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
San Pedro at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: January 22 (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 | lettuce, peas, spinach, radishes | — |
| March | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| April | tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | — | 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
San Pedro's warmest month is August (~87°F mean) and its coldest is January (~63°F). Rainfall peaks in September (5.7 inches) and bottoms out in February (1.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 63° | 1.1″ | 2 |
| February | 67° | 1.0″ | 2 |
| March | 71° | 1.4″ | 2 |
| April | 77° | 1.5″ | 2 |
| May | 82° | 2.2″ | 2 |
| June | 86° | 2.9″ | 4 |
| July | 86° | 2.0″ | 3 |
| August | 87° | 2.2″ | 4 |
| September | 83° | 5.7″ | 8 |
| October | 78° | 3.8″ | 5 |
| November | 71° | 1.8″ | 3 |
| December | 64° | 1.2″ | 3 |
Frequently asked
- When does it freeze in San Pedro?
- San Pedro's last spring frost typically falls around mid-February, and the first fall frost arrives around mid-December.
- What is the rainy season in San Pedro?
- September is the wettest month with about 5.7 inches of rain on average; the city receives roughly 27 inches annually.
- What is the warmest month in San Pedro?
- August is typically warmest, averaging about 87°F.
- What is the coldest month in San Pedro?
- January is typically coldest, averaging about 63°F.
- When can I start a vegetable garden in San Pedro?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-February); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does San Pedro get?
- San Pedro averages about 39 rainy days per year.
- What hardiness zone is San Pedro?
- San Pedro'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
San Pedro, Texas sits in a humid subtropical climate zone. January means hover near 63°F while July averages 86°F — a 24°F seasonal swing.
Across the year, San Pedro receives about 27 inches of precipitation spread over roughly 39 rainy days.
The rhythm of the year is set by latitude (26.0°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.