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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Rio Grande City, Texas, is an agreeable winter month, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 52.7°F (11.5°C). Rio Grande City witnesses the coldest weather in January, with temperatures averaging a high of 69.8°F (21°C) and a low of 52.7°F (11.5°C). Weather in January »
Weather in February
February, the last month of the winter in Rio Grande City, is a moderately hot month, with an average temperature fluctuating between 75.7°F (24.3°C) and 57°F (13.9°C). Rio Grande City's transition into February sees a mild rise in the average high-temperature, edging from a pleasant 69.8°F (21°C) in January to a moderately hot 75.7°F (24.3°C). Weather in February »
Weather in March
The first month of the spring, March, is also a moderately hot month in Rio Grande City, Texas, with an average temperature varying between 62.4°F (16.9°C) and 83.3°F (28.5°C). March's arrival coincides with a marginal rise in the average high-temperature, moving from February's moderately hot 75.7°F (24.3°C) to a still warm 83.3°F (28.5°C). Weather in March »
Weather in April
April in Rio Grande City, Texas, is a hot spring month, with an average temperature fluctuating between 68.4°F (20.2°C) and 90.1°F (32.3°C). April's arrival signals a subtle increase in average high-temperatures, moving from March's moderately hot 83.3°F (28.5°C) to a tropical 90.1°F (32.3°C). Weather in April »
Weather in May
The last month of the spring, May, is another tropical month in Rio Grande City, Texas, with an average temperature ranging between max 93.9°F (34.4°C) and min 73°F (22.8°C). A minimal variation is noted in Rio Grande City's average high-temperature at the onset of May, reaching a still hot 93.9°F (34.4°C) from April's 90.1°F (32.3°C). Weather in May »
Weather in June
June, the first month of the summer in Rio Grande City, is a torrid month, with an average temperature fluctuating between 76.8°F (24.9°C) and 97.7°F (36.5°C). With the advent of June, Rio Grande City's high-temperatures adjust to a torrid 97.7°F (36.5°C), closely aligning with the preceding month. Weather in June »
Weather in July
July, the same as June, is another torrid summer month in Rio Grande City, Texas, with an average temperature varying between 99.3°F (37.4°C) and 78.4°F (25.8°C). Rio Grande City starts July with an average high-temperature of a still very hot 99.3°F (37.4°C), a minor shift from June's 97.7°F (36.5°C). Weather in July »
Weather in August
August, the last month of the summer in Rio Grande City, is another torrid month, with temperature in the range of an average high of 100°F (37.8°C) and an average low of 80.1°F (26.7°C). In Rio Grande City, the peak temperatures are generally noted in August, averaging a high of 100°F (37.8°C) and a low of 80.1°F (26.7°C). August's average heat index is computed to be a blazing hot 122°F (50°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a tropical month in Rio Grande City, Texas, with an average temperature ranging between min 77°F (25°C) and max 93°F (33.9°C). A mild shift in the average high-temperature occurs in September, reducing from a torrid 100°F (37.8°C) in August to a hot 93°F (33.9°C). Weather in September »
Weather in October
October, the same as September, in Rio Grande City, Texas, is another hot autumn month, with an average temperature ranging between min 70°F (21.1°C) and max 87.6°F (30.9°C). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from a hot 93°F (33.9°C) to a still tropical 87.6°F (30.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderately hot month in Rio Grande City, Texas, with an average temperature fluctuating between 77.5°F (25.3°C) and 61°F (16.1°C). November's arrival corresponds with a decrease in average high-temperatures, from October's hot 87.6°F (30.9°C) to a moderately hot 77.5°F (25.3°C). Weather in November »
Weather in December
December, the first month of the winter in Rio Grande City, is also an agreeable month, with an average temperature fluctuating between 70.9°F (21.6°C) and 54.5°F (12.5°C). With the onset of December, Rio Grande City's average high-temperature slightly adjusts, moderately receding from November's moderately hot 77.5°F (25.3°C) to a pleasant 70.9°F (21.6°C). Weather in December »
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
January tends to be the coldest month, with temperatures averaging a daily high of 69.8°F (21°C) and a low of 52.7°F (11.5°C).
How many days does it rain?
Throughout the year, there are 98.5 rainfall days, and 13.11" (333mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January and February.
What is the snowiest month?
The months with the most snowfall days are January and February, with an average of 0.1 snowfall days.
How many days does it snow?
Throughout the year, there are 0.2 snowfall days.
What is the driest month in Rio Grande City?
The month with the least rainfall is February, when the rain falls for 5.8 days and typically collects 0.47" (12mm) of precipitation.
When it does not snow?
March through December are months without snowfall.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
When are the longest days?
June has the longest days of the year, with an average of 13h and 48min of daylight.
What are the months with the most sunshine?
The months with the most sunshine are June and July, with an average of 11.3h of sunshine.
What is the month with the highest UV index?
The months with the highest UV index are July and August, with an average maximum UV index of 8.
What time of the year is the hottest?
August tends to be the warmest month, with temperatures averaging a daily high of 100°F (37.8°C) and a low of 80.1°F (26.7°C).
What is the least humid month?
August is the least humid month, with an average relative humidity of 53%.
What is the wettest month?
The month with the most rainfall is September, when the rain falls for 15.3 days and typically aggregates up to 2.56" (65mm) of precipitation.
What is the most humid month?
With an average relative humidity of 65%, December is the most humid month.
What is the month with the shortest days?
With an average of 10h and 30min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
With an average of 5.8h of sunshine, December has the least sunshine of the year.
What is the month with the lowest UV index?
With an average maximum UV index of 4, December is the month with the lowest UV index.
Average temperature
Rio Grande City, TX
The warmest month (with the highest average high temperature) is August (100°F).
The month with the lowest average high temperature is January (69.8°F).
The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (52.7°F).
Average pressure
Rio Grande City, TX
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.88"Hg - Average pressure in May:
29.87"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).
Average wind speed
Rio Grande City, TX
- Average wind speed in January:
9.3mph - Average wind speed in February:
10.3mph - Average wind speed in March:
12mph - Average wind speed in April:
12.6mph - Average wind speed in May:
13.5mph - Average wind speed in June:
12.9mph
- Average wind speed in July:
13.9mph - Average wind speed in August:
12.4mph - Average wind speed in September:
9.9mph - Average wind speed in October:
9.9mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is December (9.2mph).
Average humidity
Rio Grande City, TX
The month with the highest relative humidity is December (65%).
The month with the lowest relative humidity is August (53%).
Average rainfall
Rio Grande City, TX
- Average rainfall in January:
0.55" - Average rainfall in February:
0.47" - Average rainfall in March:
0.79" - Average rainfall in April:
0.75" - Average rainfall in May:
1.69" - Average rainfall in June:
1.38"
- Average rainfall in July:
1.54" - Average rainfall in August:
0.63" - Average rainfall in September:
2.56" - Average rainfall in October:
0.98" - Average rainfall in November:
0.98" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is September (2.56").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days
Rio Grande City, TX
- Average rainfall days in January:
7.1 days - Average rainfall days in February:
5.8 days - Average rainfall days in March:
7.8 days - Average rainfall days in April:
7.8 days - Average rainfall days in May:
9.3 days - Average rainfall days in June:
8.1 days
- Average rainfall days in July:
7.3 days - Average rainfall days in August:
6.9 days - Average rainfall days in September:
15.3 days - Average rainfall days in October:
8.2 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is September (15.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall days
Rio Grande City, TX
- Average snowfall days in January:
0.1 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0 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 days - Average snowfall days in December:
0 days
The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Rio Grande City, TX
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 2min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
7h and 1min - Average sunshine in February:
7h and 5min - Average sunshine in March:
8h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
10h and 0min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 2min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 4min - Average sunshine in October:
8h and 1min - Average sunshine in November:
6h and 0min - Average sunshine in December:
5h and 5min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days
Rio Grande City, TX
- Average sunshine days in January:
21.7 days - Average sunshine days in February:
20.1 days - Average sunshine days in March:
20.8 days - Average sunshine days in April:
20.3 days - Average sunshine days in May:
20.5 days - Average sunshine days in June:
19.9 days
- Average sunshine days in July:
22.6 days - Average sunshine days in August:
22.6 days - Average sunshine days in September:
12.9 days - Average sunshine days in October:
21.1 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
21.1 days
The months with the most sunshine days are July and August (22.6 days).
The month with the least sunshine days is September (12.9 days).
Average UV index
Rio Grande City, TX
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).
Average cloud cover
Rio Grande City, TX
The month with the most cloud cover is December (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility
Rio Grande City, 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).
Rio Grande City, Texas, USA
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