Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's onset witnesses a minor shift in the average high-temperature, moving from a pleasant 70.9°F (21.6°C) in March to a warm 77.5°F (25.3°C). During the month of April, San Marcos experiences a steady low-temperature average of 58.6°F (14.8°C).Humidity
In April, the average relative humidity in San Marcos is 74%.Rainfall
In San Marcos, during April, the rain falls for 14.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, in San Marcos, there are 151.8 rainfall days, and 26.89" (683mm) of precipitation is accumulated.Snowfall
March through November are months without snowfall in San Marcos.Daylight
The average length of the day in April is 12h and 55min.On the first day of the month, sunrise is at 7:20 am and sunset at 7:50 pm. On the last day of April, sunrise is at 6:49 am and sunset at 8:08 pm CDT.
Sunshine
In April, the average sunshine is 7.4h.UV index
In San Marcos, the average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during April translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Frequently asked questions
What are the temperatures in San Marcos in April?
What is the average humidity in April in San Marcos?
How many days does it rain in April in San Marcos?
When it does not snow in San Marcos?
What is the average length of the day in April in San Marcos?
What time are sunrise and sunset in April in San Marcos?
How many hours of sunshine does San Marcos have in April?
What is the UV index intensity in April in San Marcos?
Average temperature in April
San Marcos, TX
- Average high temperature in April: 77.5°F
The warmest month (with the highest average high temperature) is August (95.9°F).
The month with the lowest average high temperature is January (59.9°F).
- Average low temperature in April: 58.6°F
The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in April
San Marcos, TX
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
San Marcos, TX
- Average wind speed in April: 8.8mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.1mph).
Average humidity in April
San Marcos, TX
- Average humidity in April: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (62%).
Average rainfall in April
San Marcos, TX
- Average rainfall in April: 2.05"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in April
San Marcos, TX
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in April
San Marcos, TX
- Average snowfall in April: 0"
The months with the highest snowfall are January and February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in April
San Marcos, TX
- Average snowfall days in April: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in April /
Average sunshine in April
San Marcos, TX
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in April: 7h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in April
San Marcos, TX
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in April
San Marcos, TX
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
San Marcos, TX
- Average cloud cover in April: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
San Marcos, TX
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
San Marcos, Texas, USA
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