Climate Insights for Rockport

Kauai County, Texas, United States

Hottest
August
31°C peak
Coldest
January
12°C low
Wettest
September
125mm rain
Best to Visit
February, March, April
Mild temps & low rain

Climate Overview

The climate in Rockport is warm and mild. The average annual temperature is 23°C and approximately 939mm of precipitation falls per year. September is the wettest month, receiving around 125mm of rainfall. Rockport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to 12°C.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 18° Average: 15° Min: 12° Feb Max: 19° Average: 16° Min: 14° Mar Max: 22° Average: 20° Min: 18° Apr Max: 25° Average: 22° Min: 21° May Max: 27° Average: 26° Min: 24° Jun Max: 30° Average: 28° Min: 27° Jul Max: 30° Average: 29° Min: 27° Aug Max: 31° Average: 29° Min: 27° Sep Max: 30° Average: 28° Min: 26° Oct Max: 27° Average: 25° Min: 22° Nov Max: 23° Average: 20° Min: 18° Dec Max: 20° Average: 17° Min: 15°
Max
Average
Min

Rockport sees moderate temperature variation throughout the year, ranging from 12°C to 31°C. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 12°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.

Precipitation

0mm 25mm 50mm 75mm 100mm 125mm 150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 67mm Feb Precipitation: 29mm Mar Precipitation: 70mm Apr Precipitation: 59mm May Precipitation: 102mm Jun Precipitation: 116mm Jul Precipitation: 91mm Aug Precipitation: 86mm Sep Precipitation: 125mm Oct Precipitation: 64mm Nov Precipitation: 70mm Dec Precipitation: 60mm
Precipitation

Rockport is a moderately rainy area, receiving approximately 939mm of precipitation annually, which averages out to around 78mm per month. The wettest month is September, averaging 125mm of rainfall. June and May also tend to see above-average precipitation. The driest month is February, with just 29mm. That's 96mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 20km/h Feb Wind Speed: 20km/h Mar Wind Speed: 21km/h Apr Wind Speed: 22km/h May Wind Speed: 22km/h Jun Wind Speed: 20km/h Jul Wind Speed: 20km/h Aug Wind Speed: 18km/h Sep Wind Speed: 16km/h Oct Wind Speed: 18km/h Nov Wind Speed: 19km/h Dec Wind Speed: 18km/h
Wind Speed

Rockport is mildly breezy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 22km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in September, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

7 days until Autumn

It is currently summer in Rockport, which began on June 21, 2026. Rockport is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 31°C, while the coldest stretch bottoms out in January near 12°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 18 to 27°C. Precipitation is moderate at around 231mm for the season, averaging 77mm per month. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 31°C. Precipitation is moderate at around 293mm for the season, averaging 98mm per month. Winds are moderate at around 19km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 18 to 30°C. Precipitation is moderate at around 259mm for the season, averaging 86mm per month. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 12 to 20°C. Precipitation is moderate at around 156mm for the season, averaging 52mm per month. Winds are moderate at around 19km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 15°
Feb 16°
Mar 20°
Apr 22°
May 26°
Jun 28°
Jul 29°
Aug 29°
Sep 28°
Oct 25°
Nov 20°
Dec 17°

The best time to visit Rockport is during February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 59mm per month. By contrast, August can be uncomfortably hot with highs reaching 31°C, while January is the coldest period with lows dropping to 12°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Rockport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
12 °C
18 °C
20 km/h
67 mm
0 cm
Feb
14 °C
19 °C
20 km/h
29 mm
0 cm
Mar
18 °C
22 °C
21 km/h
70 mm
0 cm
Apr
21 °C
25 °C
22 km/h
59 mm
0 cm
May
24 °C
27 °C
22 km/h
102 mm
0 cm
Jun
27 °C
30 °C
20 km/h
116 mm
0 cm
Jul
27 °C
30 °C
20 km/h
91 mm
0 cm
Aug
27 °C
31 °C
18 km/h
86 mm
0 cm
Sep Current
26 °C
30 °C
16 km/h
125 mm
0 cm
Oct
22 °C
27 °C
18 km/h
64 mm
0 cm
Nov
18 °C
23 °C
19 km/h
70 mm
0 cm
Dec
15 °C
20 °C
18 km/h
60 mm
0 cm
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Metric (°C, km/h)