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Rio Grande City Downtown Historic DistrictRio Grande City Downtown Historic District · Photo: David Bezanson · CC BY-SA 4.0
Weather in Rio Grande City, TX · National Weather Service + NOAA

Rio Grande City has hot summers

Rio Grande City has warm winters and hot summers, with very little rain. A typical July afternoon reaches 99°, a January night drops to 48°, and snow is almost unheard of. Normal November highs come to 79°, and lows to 56°.

Winter 73°/50°Spring 89°/65°Summer 99°/76°Fall 87°/64°
Right now
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Sunrise 7:51 am · sunset 6:47 pm

Getting the latest forecast from the National Weather Service…

What stands out about Rio Grande City’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Hot summersJuly afternoons average 99°, hotter than 99% of U.S. towns.Milder winters than most of TexasJanuary nights average 48°, milder than 1,681 of 1,859 Texas towns.Snow is rareAbout 0.1 inches in a normal year, so most winters see none.Plenty of 90° daysAbout 187 days a year reach 90°.
A normal year

Where today sits in Rio Grande City’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
73° / 50°
Snow is rare
Spring
89° / 65°
Last frost around Jan 31
Summer
99° / 76°
187 days reach 90° in a normal year
Fall now
87° / 64°
First frost around Dec 17
36 daysuntil the usual first frost (Dec 17)
Best months to be outside
JanFebMarNovDec
Highs of 62–84° and lows of 40° or more
How much snow does Rio Grande City get?Almost none.When is it wettest?September, with 4.4 inches.Is it warmer than it used to be?+1.4° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Rio Grande City.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Rio Grande City itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Rio Grande City, TX (1 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.