Monthly climate in Port O'Connor, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Port O'Connor features a humid subtropical climate (Cfa).Temperatures typically range between 14 °C (58 °F) and 29 °C (84 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 34 °C (94 °F).The average annual precipitation amounts to about 1086 mm (42.8 inches) and receives 131 rainy days on the 1 mm (0.04 inches) threshold annually.Port O'Connor enjoys an average of 3273 hours of sunshine throughout the year, and daylight varies from 10 hours 21 minutes to 13 hours 54 minutes per day.

Monthly average temperatures in Port O'Connor, Texas, United States §

The warmest months in Port O'Connor are June, July and August, with daily mean temperatures ranging from 28 to 29 °C (83 - 84 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 14 to 16 °C (58 - 61 °F) throughout the day. On average each year, Port O'Connor experiences 178 days above 25 °C (77.0 °F) and 2 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 O'Connor, 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 26°C
(79°F)
26°C
(79°F)
29°C
(84°F)
32°C
(89°F)
31°C
(88°F)
34°C
(94°F)
34°C
(93°F)
34°C
(94°F)
34°C
(93°F)
31°C
(89°F)
29°C
(84°F)
26°C
(79°F)
Mean maximum 24°C
(75°F)
24°C
(75°F)
27°C
(80°F)
29°C
(85°F)
30°C
(87°F)
33°C
(91°F)
33°C
(91°F)
33°C
(91°F)
33°C
(91°F)
31°C
(88°F)
27°C
(82°F)
25°C
(77°F)
Average high 18°C
(64°F)
19°C
(66°F)
22°C
(72°F)
25°C
(77°F)
28°C
(82°F)
30°C
(86°F)
31°C
(87°F)
31°C
(88°F)
30°C
(86°F)
27°C
(81°F)
22°C
(72°F)
20°C
(67°F)
Daily mean 14°C
(58°F)
15°C
(60°F)
19°C
(67°F)
22°C
(72°F)
26°C
(78°F)
28°C
(83°F)
29°C
(84°F)
29°C
(84°F)
27°C
(82°F)
24°C
(75°F)
19°C
(66°F)
16°C
(61°F)
Average low 11°C
(52°F)
12°C
(54°F)
17°C
(62°F)
19°C
(67°F)
23°C
(74°F)
26°C
(79°F)
27°C
(80°F)
27°C
(80°F)
25°C
(77°F)
21°C
(70°F)
15°C
(60°F)
12°C
(55°F)
Mean minimum 2°C
(35°F)
2°C
(36°F)
8°C
(46°F)
11°C
(52°F)
18°C
(65°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
20°C
(68°F)
10°C
(50°F)
7°C
(44°F)
5°C
(41°F)
Minimum -4°C
(26°F)
-7°C
(20°F)
1°C
(34°F)
8°C
(46°F)
15°C
(59°F)
22°C
(72°F)
23°C
(73°F)
22°C
(73°F)
16°C
(62°F)
6°C
(44°F)
2°C
(36°F)
2°C
(36°F)

Compare climate in Port O'Connor with other places

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

Monthly average precipitation in Port O'Connor, Texas, United States §

Port O'Connor usually has the most precipitation in June, August and September, with an average of 15 rainy days and 138 mm (5.4 inches) of precipitation per month.The driest months in Port O'Connor are January, February and April. On average, 58 mm (2.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Port O'Connor, 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) 57 (2.3) 58 (2.3) 58 (2.3) 58 (2.3) 113 (4.4) 143 (5.6) 113 (4.4) 126 (5.0) 145 (5.7) 84 (3.3) 63 (2.5) 67 (2.6)
Average precipitation days (≥ 1 mm) 7 9 8 8 12 15 12 15 17 12 8 8

Monthly sunshine hours in Port O'Connor, Texas, United States §

The sunniest months in Port O'Connor are June, July and August, when the sun shines an average of 10 hours 38 minutes a day.Least sunny months in Port O'Connor: January, February and December receive an average of 6 hours 43 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Port O'Connor, 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 182 192 256 280 318 325 324 328 285 286 253 237
Mean daily daylight hours 10h 33m 11h 11m 12h 0m 12h 51m 13h 33m 13h 54m 13h 43m 13h 5m 12h 17m 11h 26m 10h 42m 10h 21m

Solar UV radiation in Port O'Connor, Texas, United States §

Port O'Connor 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 O'Connor UV Index data.

Average daily maximum UV levels by month for Port O'Connor, 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) 5 8 9 11 11 12 12 12 11 9 7 5