Climate and monthly weather forecastRio Vista, TX
Climate and monthly weather forecast
Weather in January
January, like December, is another refreshing winter month in Rio Vista, Texas, with an average temperature fluctuating between 39°F (3.9°C) and 55.8°F (13.2°C). January, with an average high of 55.8°F (13.2°C) and a low of 39°F (3.9°C), signifies the coldest month of the year. Weather in January »Weather in February
The last month of the winter, February, is also a moderate month in Rio Vista, Texas, with temperature in the range of an average low of 42.3°F (5.7°C) and an average high of 58.6°F (14.8°C). During February, Rio Vista observes a subtle ascent to a still mild 58.6°F (14.8°C) from January's 55.8°F (13.2°C) in the average high-temperature. Weather in February »Weather in March
March, the first month of the spring in Rio Vista, is a pleasant month, with an average temperature fluctuating between 68.2°F (20.1°C) and 50.4°F (10.2°C). As March arrives, Rio Vista's weather shows an increase in high-temperatures, moving from February's mild 58.6°F (14.8°C) to a pleasant 68.2°F (20.1°C). Weather in March »Weather in April
April is a warm spring month in Rio Vista, Texas, with an average temperature ranging between max 75°F (23.9°C) and min 56.3°F (13.5°C). The onset of April brings a minor temperature shift, with the average high-temperature moving from an agreeable 68.2°F (20.1°C) in March to a warm 75°F (23.9°C). Weather in April »Weather in May
May, the last month of the spring in Rio Vista, is another warm month, with temperature in the range of an average low of 63.7°F (17.6°C) and an average high of 81.7°F (27.6°C). May's arrival coincides with a marginal rise in the average high-temperature, moving from April's 75°F (23.9°C) to a still warm 81.7°F (27.6°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Rio Vista, Texas, with an average temperature ranging between min 72.1°F (22.3°C) and max 90.3°F (32.4°C). As Rio Vista enters June, the average high-temperature marginally increases from the a moderately hot 81.7°F (27.6°C) of May to a hot 90.3°F (32.4°C). Weather in June »Weather in July
July, the same as June, in Rio Vista, Texas, is another hot summer month, with an average temperature varying between 74.8°F (23.8°C) and 94.5°F (34.7°C). The arrival of July brings an average high-temperature of a still hot 94.5°F (34.7°C), nearly identical to June's 90.3°F (32.4°C). Weather in July »Weather in August
The last month of the summer, August, is a very hot month in Rio Vista, Texas, with an average temperature varying between 95.5°F (35.3°C) and 75.6°F (24.2°C). August stands out as Rio Vista's warmest month, with temperatures ranging between an average high of 95.5°F (35.3°C) and a low of 75.6°F (24.2°C). The heat index for August is computed to be an extremely hot 111.2°F (44°C). Weather in August »Weather in September
September, the first month of the autumn in Rio Vista, is still a tropical month, with an average temperature ranging between min 69.1°F (20.6°C) and max 87.3°F (30.7°C). September witnesses a gentle descent in average high-temperature, descending from August's torrid 95.5°F (35.3°C) to a tropical 87.3°F (30.7°C). Weather in September »Weather in October
October, like September, in Rio Vista, Texas, is another warm autumn month, with an average temperature fluctuating between 76.3°F (24.6°C) and 58.1°F (14.5°C). Rio Vista's progression into October involves a drop in the average high-temperature, receding from a tropical 87.3°F (30.7°C) in September to a warm 76.3°F (24.6°C). Weather in October »Weather in November
November, the last month of the autumn in Rio Vista, is also an enjoyable month, with an average temperature varying between 64.9°F (18.3°C) and 48.6°F (9.2°C). Rio Vista's average high-temperature decreases in November, falling from a warm 76.3°F (24.6°C) in October to an enjoyable 64.9°F (18.3°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in Rio Vista, Texas, with an average temperature fluctuating between 56.3°F (13.5°C) and 41°F (5°C). Rio Vista in December experiences a gentle temperature dip, with average high-temperatures reducing from a comfortable 64.9°F (18.3°C) in November to a mild 56.3°F (13.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Rio Vista, TX
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.8°F).
The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure
Rio Vista, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Rio Vista, TX
- Average wind speed in January:
9.6mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.6mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.4mph - Average wind speed in June:
8.5mph
- Average wind speed in July:
7.8mph - Average wind speed in August:
7.2mph - Average wind speed in September:
6.8mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9mph
The windiest months (with the highest average wind speed) are March and April (10.6mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity
Rio Vista, TX
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (57%).
Average rainfall
Rio Vista, TX
- Average rainfall in January:
1.73" - Average rainfall in February:
1.5" - Average rainfall in March:
2.56" - Average rainfall in April:
2.68" - Average rainfall in May:
3.7" - Average rainfall in June:
3.11"
- Average rainfall in July:
1.89" - Average rainfall in August:
2.48" - Average rainfall in September:
2.8" - Average rainfall in October:
4.21" - Average rainfall in November:
1.54" - Average rainfall in December:
1.73"
The wettest month (with the highest rainfall) is October (4.21").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days
Rio Vista, TX
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
13.1 days - Average rainfall days in May:
15.4 days - Average rainfall days in June:
12 days
- Average rainfall days in July:
12.1 days - Average rainfall days in August:
12.4 days - Average rainfall days in September:
13.9 days - Average rainfall days in October:
11.3 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (6.1 days).
Average snowfall
Rio Vista, TX
The month with the highest snowfall is February (0.94").
The months with the least snowfall are January, April, May, June, July, August, September, October and December (0").
Average snowfall days
Rio Vista, TX
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
1.3 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.4 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rio Vista, TX
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
6h and 6min - Average sunshine in February:
7h and 12min - Average sunshine in March:
7h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 48min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 30min - Average sunshine in October:
6h and 48min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days
Rio Vista, TX
- Average sunshine days in January:
23.8 days - Average sunshine days in February:
16.6 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
16.1 days
- Average sunshine days in July:
17.3 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
13.9 days - Average sunshine days in October:
18 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
20.3 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (13.4 days).
Average UV index
Rio Vista, TX
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover
Rio Vista, TX
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility
Rio Vista, TX
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





