Robstown, United States experiences average highs of 28°C (82°F) and lows of 20°C (68°F) throughout the year. Rainfall is moderate, averaging about 8 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Robstown, United States Weather & Climate 2026
Monthly climate averages for Robstown, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Sep At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.4/10
Best: February, March, April, November, December
UV Index
7
High
Temperature 28°C / 20°C
Feels Like 30°C / 21°C
Rainy Days 8
Rainfall 60 mm
Sunshine 9 h
Humidity 72%
Wind Speed 22 km/h
Dew Point 19°C
Frost Days 1 days
Hottest Month
35°C
August
Avg Low26°C
Rain9days
Coldest Month
11°C
January
Avg High20°C
Rain7days
Driest Month
5days
February
Avg High23°C
Avg Low13°C
Windiest Month
25 km/h
April (Gusts 46)
Worst Time to Visit
Consider avoiding June, July, August due to extreme heat, oppressive humidity.
Sun Position
Sunrise 06:36
Daylight 13.9h
Sunset 20:29
Live conditions—
Robstown on the map · live conditions
Robstown, United States
- Continent
- Americas
- Country
- United States
- City
- Robstown
- Population
- 11.6K
- Elevation
- 22 m
- Coordinates
- 27.79°, -97.67°
Seasonal Breakdown
Spring
Mar–May
Avg High 28°C
Avg Low 20°C
Rain 8 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 34°C
Avg Low 26°C
Rain 9 days/mo
Autumn
Sep–Nov
Avg High 29°C
Avg Low 20°C
Rain 8 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 22°C
Avg Low 12°C
Rain 6 days/mo
2/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 20°C / 11°C . Feb: 23°C / 13°C . Mar: 26°C / 17°C . Apr: 28°C / 19°C . May: 31°C / 23°C . Jun: 33°C / 25°C . Jul: 34°C / 26°C . Aug: 35°C / 26°C . Sep: 32°C / 24°C . Oct: 30°C / 21°C . Nov: 25°C / 16°C . Dec: 22°C / 13°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 42 mm. Feb: 16 mm. Mar: 71 mm. Apr: 52 mm. May: 89 mm. Jun: 92 mm. Jul: 78 mm. Aug: 73 mm. Sep: 84 mm. Oct: 37 mm. Nov: 46 mm. Dec: 40 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 69%. Feb: 72%. Mar: 71%. Apr: 72%. May: 76%. Jun: 75%. Jul: 73%. Aug: 72%. Sep: 75%. Oct: 69%. Nov: 72%. Dec: 72%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 22 km/h . Mar: 24 km/h . Apr: 25 km/h . May: 24 km/h . Jun: 22 km/h . Jul: 23 km/h . Aug: 22 km/h . Sep: 18 km/h . Oct: 19 km/h . Nov: 19 km/h . Dec: 20 km/h .
Sunshine
Sunshine
Sunshine: Jan: 7h. Feb: 7h. Mar: 8h. Apr: 10h. May: 11h. Jun: 12h. Jul: 12h. Aug: 12h. Sep: 10h. Oct: 10h. Nov: 8h. Dec: 7h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 7. Apr: UV 8. May: UV 8. Jun: UV 9. Jul: UV 8. Aug: UV 8. Sep: UV 8. Oct: UV 6. Nov: UV 5. Dec: UV 4.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 36°C | Aug · 35°C |
| Coldest month | Jan 2025 · 9°C | Jan · 11°C |
| Wettest month | Mar 2025 · 201 mm | Jun · 92 mm |
| Windiest month | Apr 2025 · 26 km/h | Apr · 25 km/h |
Month-by-Month Weather Table
January
Good 
February best
Excellent March best
Excellent April best
Excellent May
Fair June
Poor July
Poor August
Poor September
Poor October
Good November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 20°C / 11°C | 19°C / 8°C | 7days (42 mm) Good | 6.9h Fair | 69% Muggy | 4 Moderate | Good | View Details |
| February best | 23°C / 13°C | 22°C / 11°C | 5days (16 mm) Good | 7.3h Good | 72% Muggy | 5.1 High | Excellent | View Details |
| March best | 26°C / 17°C | 26°C / 16°C | 7days (71 mm) Good | 8.3h Good | 71% Muggy | 6.6 High | Excellent | View Details |
| April best | 28°C / 19°C | 29°C / 20°C | 7days (52 mm) Good | 9.5h Good | 72% Muggy | 7.6 Very High | Excellent | View Details |
| May | 31°C / 23°C | 34°C / 26°C | 10days (89 mm) Wet | 11h Excellent | 76% Humid | 8 Very High | Fair | View Details |
| June | 33°C / 25°C | 37°C / 30°C | 10days (92 mm) Wet | 12.2h Excellent | 75% Muggy | 8.5 Very High | Poor | View Details |
| July | 34°C / 26°C | 38°C / 31°C | 8days (78 mm) Wet | 12h Excellent | 73% Muggy | 8.3 Very High | Poor | View Details |
| August | 35°C / 26°C | 39°C / 31°C | 9days (73 mm) Wet | 11.5h Excellent | 72% Muggy | 8.4 Very High | Poor | View Details |
| September | 32°C / 24°C | 36°C / 29°C | 11days (84 mm) Wet | 10h Excellent | 75% Muggy | 7.5 Very High | Poor | View Details |
| October | 30°C / 21°C | 31°C / 22°C | 7days (37 mm) Good | 9.6h Good | 69% Muggy | 6.1 High | Good | View Details |
| November best | 25°C / 16°C | 25°C / 16°C | 7days (46 mm) Good | 7.6h Good | 72% Muggy | 4.6 Moderate | Excellent | View Details |
| December best | 22°C / 13°C | 22°C / 12°C | 5days (40 mm) Good | 6.8h Fair | 72% Muggy | 3.9 Moderate | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Robstown are February, March, April, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Robstown, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Robstown is August, with average daytime highs of 35°C (94°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Robstown is January, with average overnight lows of 11°C (51°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Robstown is June, averaging 92mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Robstown runs through September, May, June, with the heaviest rainfall in September. Based on 10-year averages for Robstown.
Robstown receives approximately 113 sunshine hours per year. The sunniest month is June with around 12 hours. Based on climate data for Robstown.
The least favorable months to visit Robstown are June, July, August, primarily due to extreme heat, oppressive humidity. For the best conditions, consider February, March, April, November, December instead.
The annual average UV index in Robstown is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Robstown is 72%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Robstown rarely sees significant snowfall but does experience frost, averaging 1 frost days during the colder months.
Average wind speeds in Robstown are 22 km/h (14 mph). The windiest month is April with peak winds reaching 25 km/h (15 mph) (gusts up to 46 km/h / 29 mph).
Robstown averages 5 clear-sky days per month with overall cloud cover around 52%. The clearest skies occur in October.
The annual average dew point in Robstown is 19°C (66°F), which feels noticeably humid. Summer months may feel slightly sticky, but conditions remain manageable for most people.
Robstown has a Humid Subtropical climate, classified as Cfa under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Robstown ranges from 21°C (70°F) to 30°C (86°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Robstown, with a climate score of 3.1/10. Consider visiting during February, March, April, November, December instead for better conditions.
For June in Robstown, pack Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. With average highs of 33°C (91°F) and 10 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: