San Marcos, TX weather and climate in 2024
Day
17 °C
Night
4 °C
Sea
0 °C
Precipitation
58 mm
in month
Rainy days
7 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
69 %
Day
17 °C
Night
4 °C
Sea
0 °C
Precipitation
58 mm
in month
Rainy days
7 days
in month
Daylight
10 hours
average
Sunshine
5 hours
average
Humidity
69 %
Overview: San Marcos, TX
Weather charts for San Marcos, TX
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Weather overview for San Marcos, TX
Weather overview
San Marcos, TX (United States of America) is a place with a hot climate. The day temperatures range from 17 °C (62 °F) in January to 36 °C (96 °F) in August. The least rainy month in San Marcos, TX is April with its 6 days of rain, the rainiest month is June, when it rains 10 days. Temperatures during the night go from 4 °C (39 °F) in January to 23 °C (73 °F) in July.
January weather
The minimum of the day temperature can be noticed, the value of this measure is 17 °C (62 °F) in San Marcos, TX, and the night temperature is on its minimum too in this month. The beginning of the rise of the number of sun hours (without clouds) could be noticed in January.
February weather
The day temperature starts to rise, its value is 19 °C (65 °F) in San Marcos, TX, and the beginning of the rise of the night temperature could be noticed too, its value is 6 °C (42 °F). The tourist season is about to start this month. The minimum of the rainfall amount is observable in February. The rise of the number of sun hours (without clouds) can be observed.
March weather
There is pending tourist season in San Marcos, TX. The beginning of the rise of the number of rainy days could be noticed. The rise of the night temperature can be observed, the value of this measure is 9 °C (49 °F), and the rise of the day temperature can be observed too, with its value being 23 °C (73 °F). The rise of the number of sun hours (without clouds) can be observed, its value is 7 hours. The humidity is on its minimum, with its value of 64 %.
April weather
The ongoing tourist season is noticeable this month in San Marcos, TX. The rise of the day temperature can be observed, with its value being 27 °C (80 °F), and the rise of the night temperature can be observed too, with its value being 13 °C (56 °F). The rainfall amount rise's start could be observed, with its value of 62 mm (2.43 in), while the minimum of the number of rainy days is observable. The wind speed reaches its maximum in April.
May weather
The rise of the day temperature can be observed, its value is 30 °C (86 °F) in San Marcos, TX, and the night temperature rises similarly to the previous month as well, its value is 18 °C (65 °F). The tourist season is taking place. The number of rainy days rise's start could be observed, the value of this measure is 9 days, while the rise of the rainfall amount can be observed, with its value being 107 mm (4.23 in). The humidity reaches its maximum, its value is 71 %.
June weather
The day temperature continues to rise in San Marcos, TX, and the night temperature rises similarly to the previous month as well, with its value being 21 °C (70 °F). The tourist season is close to its peak. The maximum of the number of rainy days can be noticed, with its value being 10 days, and the maximum of the rainfall amount is observable as well in June. The number of sun hours (without clouds) continues to rise, with its value of 9 hours.
July weather
The day temperature continues to rise, the value of this measure is 35 °C (95 °F) in San Marcos, TX, while the night temperature reaches its maximum in this month. The tourist season is close to its peak. The number of rainy days starts to descent, the value of this measure is 7 days, and the rainfall amount starts to descent too, with its value of 56 mm (2.22 in). The number of sun hours (without clouds) is on its maximum in this month.
August weather
There is pending tourist season in San Marcos, TX. The maximum of the day temperature is observable in August. The number of sun hours (without clouds) starts to descent.
September weather
The beginning of the descent of the day temperature could be noticed, with its value of 33 °C (91 °F) in San Marcos, TX, and the night temperature starts to descent too, with its value of 19 °C (67 °F). The tourist season continues. The number of rainy days starts to rise, with its value being 9 days, and the rainfall amount starts to rise too. The minimum of the wind speed is observable.
October weather
The ongoing tourist season is noticeable in San Marcos, TX. The day temperature descents similarly to the previous month, with its value of 28 °C (82 °F), and the descent of the night temperature can be observed too, the value of this measure is 14 °C (58 °F). The beginning of the descent of the number of rainy days could be noticed, with its value being 8 days, while the rainfall amount continues to rise, its value is 92 mm (3.64 in). The descent of the number of sun hours (without clouds) can be observed, its value is 7 hours.
November weather
The descent of the day temperature can be observed, with its value of 22 °C (72 °F) in San Marcos, TX, and the descent of the night temperature can be observed as well, with its value being 9 °C (48 °F). The descent of the number of rainy days can be observed, with its value being 7 days, while the beginning of the descent of the rainfall amount could be noticed, the value of this measure is 72 mm (2.82 in). The ongoing tourist season is noticeable. The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 6 hours.
December weather
The descent of the rainfall amount can be observed, with its value of 58 mm (2.27 in) in San Marcos, TX. The day temperature continues to descent, its value is 17 °C (63 °F), and the descent of the night temperature can be observed too, its value is 4 °C (40 °F). The minimum of the number of sun hours (without clouds) can be noticed in December. The day length reaches its minimum, with its value being 10 hours.
FAQs
Is there a dry season in January in San Marcos, TX?
No, January is not a dry month in San Marcos, TX, expect rain approximately 7 days in a month.
How windy is San Marcos, TX in March?
An average wind scale that can be expected in San Marcos, TX in March is 4.
What is the temperature in San Marcos, TX during the day in April?
In April in San Marcos, TX, the average daily temperatures will be 27 °C (80 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. This value is 4 °C (39 °F) higher than last month. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
Is it hot in May in San Marcos, TX?
In May in San Marcos, TX, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the humidity in June in San Marcos, TX?
In June in San Marcos, TX, expect humidity around 70 %.
How many hours of sun to expect in San Marcos, TX in July?
In July in San Marcos, TX, you can expect around 10 hours of sunshine.
What is the air temperature in San Marcos, TX in August at night?
The average night temperature in San Marcos, TX in August is 22 °C (72 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
Are there good conditions to visit in September in San Marcos, TX?
September is a good month to visit San Marcos, TX. The daily temperatures in this month reach pleasant 33 °C (91 °F). At night, temperatures hover around a pleasant 19 °C (67 °F). You can expect just 9 days of rain during the month, taking an umbrella is not necessary.
What is the average number of rainy days in San Marcos, TX in October?
There are 8 days, which are rainy in October in San Marcos, TX, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.8 days of the week, or in general - 26 % days. The value is lower by 2 days than in the previous month. This is 16 % decrease of the indicator.
Is there a wet season in San Marcos, TX in November?
No, there is no wet season in November in San Marcos, TX - you can expect 7 days of rain during the month.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.