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Monthly climate in Rio Vista, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Rio Vista features a humid subtropical climate (Cfa).Temperatures typically range between 9 °C (48 °F) and 29 °C (85 °F) through the year, but rarely can drop to -20 °C (-3 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 1052 mm (41.4 inches) and receives 99 rainy days on the 1 mm (0.04 inches) threshold annually.Rio Vista enjoys an average of 3198 hours of sunshine throughout the year, and daylight varies from 10 hours 4 minutes to 14 hours 12 minutes per day.

Monthly average temperatures in Rio Vista, Texas, United States §

The warmest months in Rio Vista are June, July and August, with daily mean temperatures ranging from 27 to 29 °C (82 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 11 °C (48 - 52 °F) throughout the day. On average each year, Rio Vista experiences 175 days above 25 °C (77.0 °F) and 18 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Rio Vista, 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 27°C
(80°F)		 30°C
(86°F)		 33°C
(92°F)		 34°C
(93°F)		 36°C
(97°F)		 38°C
(101°F)		 42°C
(108°F)		 41°C
(105°F)		 38°C
(101°F)		 36°C
(98°F)		 34°C
(93°F)		 30°C
(86°F)
Mean maximum 24°C
(76°F)		 27°C
(82°F)		 30°C
(86°F)		 32°C
(89°F)		 33°C
(92°F)		 36°C
(98°F)		 38°C
(102°F)		 38°C
(101°F)		 37°C
(99°F)		 34°C
(94°F)		 29°C
(84°F)		 26°C
(80°F)
Average high 15°C
(58°F)		 16°C
(60°F)		 22°C
(72°F)		 24°C
(76°F)		 29°C
(84°F)		 32°C
(91°F)		 35°C
(94°F)		 35°C
(95°F)		 32°C
(89°F)		 26°C
(79°F)		 20°C
(69°F)		 17°C
(63°F)
Daily mean 9°C
(48°F)		 10°C
(50°F)		 16°C
(61°F)		 19°C
(66°F)		 24°C
(75°F)		 27°C
(82°F)		 29°C
(85°F)		 29°C
(85°F)		 26°C
(80°F)		 20°C
(69°F)		 14°C
(57°F)		 11°C
(52°F)
Average low 4°C
(39°F)		 5°C
(41°F)		 11°C
(51°F)		 13°C
(56°F)		 19°C
(66°F)		 23°C
(73°F)		 24°C
(76°F)		 24°C
(76°F)		 21°C
(71°F)		 15°C
(59°F)		 8°C
(47°F)		 6°C
(43°F)
Mean minimum -6°C
(22°F)		 -6°C
(22°F)		 0°C
(33°F)		 4°C
(39°F)		 11°C
(52°F)		 19°C
(66°F)		 21°C
(70°F)		 21°C
(70°F)		 14°C
(58°F)		 4°C
(39°F)		 -0°C
(31°F)		 -2°C
(28°F)
Minimum -11°C
(12°F)		 -20°C
(-3°F)		 -6°C
(22°F)		 2°C
(35°F)		 7°C
(45°F)		 15°C
(60°F)		 17°C
(64°F)		 20°C
(68°F)		 10°C
(50°F)		 1°C
(35°F)		 -5°C
(24°F)		 -5°C
(23°F)

Compare climate in Rio Vista with other places

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

Monthly average precipitation in Rio Vista, Texas, United States §

Rio Vista usually has the most precipitation in April, May and October, with an average of 10 rainy days and 136 mm (5.3 inches) of precipitation per month.The driest months in Rio Vista are January, November and December. On average, 52 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Rio Vista, 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) 56 (2.2) 90 (3.5) 85 (3.4) 99 (3.9) 174 (6.9) 81 (3.2) 62 (2.5) 98 (3.9) 71 (2.8) 134 (5.3) 45 (1.8) 56 (2.2)
Average precipitation days (≥ 1 mm) 6 9 10 8 13 9 9 7 8 9 5 6

Monthly sunshine hours in Rio Vista, Texas, United States §

The sunniest months in Rio Vista are June, July and August, when the sun shines an average of 11 hours 15 minutes a day.Least sunny months in Rio Vista: January, February and December receive an average of 6 hours 19 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Rio Vista, 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 175 174 248 261 284 343 360 331 284 269 238 225
Mean daily daylight hours 10h 17m 11h 2m 12h 0m 12h 59m 13h 48m 14h 12m 13h 59m 13h 15m 12h 19m 11h 20m 10h 29m 10h 4m

Solar UV radiation in Rio Vista, Texas, United States §

Rio Vista experiences the highest level of ultraviolet (UV) radiation in May, July and August, when the maximum UV index can reach values of 11 - 11, 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 6. For more detailed information, check out our hourly Rio Vista UV Index data.

Average daily maximum UV levels by month for Rio Vista, 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) 4 7 8 10 11 11 11 11 10 8 6 4