Monthly climate in Port Aransas, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port Aransas features a humid subtropical climate (Cfa).Temperatures typically range between 16 °C (61 °F) and 29 °C (84 °F) through the year, but rarely can drop to -4 °C (26 °F) or can rise to as high as 32 °C (91 °F).The average annual precipitation amounts to about 1074 mm (42.3 inches) and receives 109 rainy days on the 1 mm (0.04 inches) threshold annually.Port Aransas enjoys an average of 3259 hours of sunshine throughout the year, and daylight varies from 10 hours 23 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Port Aransas, Texas, United States §

The warmest months in Port Aransas are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (82 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 16 to 18 °C (61 - 64 °F) throughout the day. On average each year, Port Aransas experiences 156 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Port Aransas, Texas, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 25°C
(77°F)
23°C
(74°F)
26°C
(78°F)
29°C
(85°F)
28°C
(83°F)
32°C
(91°F)
31°C
(88°F)
31°C
(88°F)
31°C
(88°F)
30°C
(86°F)
27°C
(80°F)
24°C
(75°F)
Mean maximum 22°C
(72°F)
21°C
(71°F)
24°C
(75°F)
27°C
(80°F)
28°C
(82°F)
30°C
(86°F)
30°C
(86°F)
30°C
(87°F)
30°C
(86°F)
29°C
(85°F)
26°C
(79°F)
23°C
(74°F)
Average high 18°C
(64°F)
18°C
(64°F)
20°C
(69°F)
23°C
(74°F)
26°C
(79°F)
28°C
(84°F)
29°C
(84°F)
29°C
(85°F)
29°C
(84°F)
26°C
(80°F)
22°C
(72°F)
19°C
(67°F)
Daily mean 16°C
(61°F)
16°C
(61°F)
19°C
(67°F)
22°C
(72°F)
25°C
(78°F)
28°C
(82°F)
28°C
(83°F)
29°C
(84°F)
28°C
(82°F)
25°C
(77°F)
21°C
(69°F)
18°C
(64°F)
Average low 14°C
(58°F)
15°C
(58°F)
18°C
(65°F)
21°C
(70°F)
24°C
(76°F)
27°C
(80°F)
27°C
(81°F)
28°C
(82°F)
26°C
(80°F)
23°C
(75°F)
19°C
(66°F)
16°C
(61°F)
Mean minimum 5°C
(42°F)
5°C
(41°F)
11°C
(52°F)
15°C
(59°F)
21°C
(70°F)
25°C
(77°F)
25°C
(78°F)
25°C
(78°F)
23°C
(74°F)
15°C
(59°F)
11°C
(52°F)
8°C
(47°F)
Minimum 1°C
(33°F)
-4°C
(26°F)
4°C
(39°F)
11°C
(52°F)
19°C
(67°F)
23°C
(74°F)
25°C
(77°F)
24°C
(75°F)
21°C
(70°F)
12°C
(54°F)
6°C
(43°F)
5°C
(41°F)

Compare climate in Port Aransas with other places

Compare temperature, precipitation, sunshine, UV index in Port Aransas, Texas, United States with other places around the world.

Monthly average precipitation in Port Aransas, Texas, United States §

Port Aransas usually has the most precipitation in May, June and September, with an average of 12 rainy days and 155 mm (6.1 inches) of precipitation per month.The driest months in Port Aransas are January, February and April. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port Aransas, Texas, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 48 (1.9) 44 (1.7) 51 (2.0) 48 (1.9) 143 (5.6) 146 (5.7) 125 (4.9) 76 (3.0) 177 (7.0) 97 (3.8) 64 (2.5) 55 (2.2)
Average precipitation days (≥ 1 mm) 7 9 6 6 9 11 9 9 16 12 8 7

Monthly sunshine hours in Port Aransas, Texas, United States §

The sunniest months in Port Aransas are June, July and August, when the sun shines an average of 10 hours 47 minutes a day.Least sunny months in Port Aransas: January, February and December receive an average of 6 hours 36 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port Aransas, Texas, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 175 189 251 278 318 331 331 330 285 286 244 235
Mean daily daylight hours 10h 35m 11h 12m 12h 0m 12h 50m 13h 31m 13h 51m 13h 40m 13h 4m 12h 16m 11h 27m 10h 44m 10h 23m

Solar UV radiation in Port Aransas, Texas, United States §

Port Aransas experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Port Aransas UV Index data.

Average daily maximum UV levels by month for Port Aransas, Texas, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 6 8 9 11 11 12 12 12 11 9 7 5