Best time to visit Rio Grande City, TX

A month-by-month travel weather guide based on NOAA 30-year climate normals.

The most comfortable travel window in Rio Grande City runs from November through March — 5 months of pleasant temperatures and modest rainfall.

January Good
High
70.7°F
Low
45.2°F
Precip
0.78 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 31m

February Good
High
76.3°F
Low
49.8°F
Precip
0.95 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 11h 6m

March Good
High
82.0°F
Low
56.3°F
Precip
1.25 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 11h 50m

April Hot
High
88.6°F
Low
62.7°F
Precip
1.02 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 12h 38m

May Hot
High
93.8°F
Low
69.9°F
Precip
2.85 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 13h 18m

June Hot
High
98.1°F
Low
74.4°F
Precip
2.76 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 13h 38m

July Hot
High
99.0°F
Low
75.1°F
Precip
2.04 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 13h 30m

August Hot
High
99.4°F
Low
75.1°F
Precip
1.34 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 12h 56m

September Wet
High
93.9°F
Low
71.0°F
Precip
5.12 in

Frequent rain. Bring waterproof gear; outdoor plans need flexibility.

Daylight ≈ 12h 9m

October Hot
High
88.4°F
Low
63.4°F
Precip
2.46 in

Summer heat. Avoid midday exertion; aim for morning and evening activities.

Daylight ≈ 11h 22m

November Excellent
High
78.7°F
Low
54.3°F
Precip
1.10 in

Sweet spot — comfortable highs in the 65-80°F range, mild nights, low rain. Ideal for nearly any outdoor plan.

Daylight ≈ 10h 41m

December Good
High
71.9°F
Low
46.6°F
Precip
0.80 in

Comfortable for most activities. Bring layers; nights can be cool.

Daylight ≈ 10h 21m

Looking for similar climates? See Rio Grande City's climate twins. Or jump straight to the full climate profile.