April weather forecast
San Diego, TX

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Weather in April

April, like March, in San Diego, Texas, is a moderately hot spring month, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 83.8°F (28.8°C).

Temperature

San Diego's transition into April is marked by a minor temperature shift, moving from a moderately hot 76.6°F (24.8°C) in March to a still warm 83.8°F (28.8°C). San Diego's April nights cool down to an average low-temperature of 64.4°F (18°C).

Heat index

In April, the heat index is calculated to be a hot 89.6°F (32°C). If one stays active during extended exposure, it might induce fatigue and result in heat cramps.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

In April, the average relative humidity in San Diego is 70%.

Rainfall

In San Diego, in April, during 10.6 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In San Diego, during the entire year, the rain falls for 123.7 days and collects up to 15.24" (387mm) of precipitation.

Snowfall

In San Diego, snow does not fall in March through November.

Daylight

In San Diego, Texas, the average length of the day in April is 12h and 51min.
On the first day of April in San Diego, sunrise is at 7:22 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:06 pm CDT.

Sunshine

In San Diego, the average sunshine in April is 7.8h.

UV index

The average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In April, an average UV index of 6 transforms into the following instructions:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in San Diego in April?

The high-temperature, in April, in San Diego, is 83.8°F (28.8°C), while the low-temperature averages to 64.4°F (18°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in April is calculated to be 89.6°F (32°C).

What is the average humidity in April in San Diego?

In April, the average relative humidity is 70%.

How much does it rain in San Diego in April?

In April, in San Diego, the rain falls for 10.6 days. Throughout April, 1.06" (27mm) of precipitation is accumulated.

When it does not snow in San Diego?

March through November are months without snowfall in San Diego.

What is the average length of the day in April in San Diego?

In San Diego, Texas, the average day length in April is 12h and 51min.

When are sunrise and sunset in April in San Diego?

On the first day of April in San Diego, sunrise is at 7:22 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 8:06 pm CDT.

How many hours of sunshine does San Diego have in April?

In April, the average sunshine duration is 7.8h.

What is the UV index intensity in April in San Diego?

The average daily maximum UV index in April in San Diego, Texas, is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
San Diego, TX

Average temperature in April - San Diego, TX
  • Average high temperature in April: 83.8°F

The warmest month (with the highest average high temperature) is August (97.9°F).
The month with the lowest average high temperature is January (65.5°F).

  • Average low temperature in April: 64.4°F

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (48.7°F).

Average pressure in April
San Diego, TX

Average pressure in April - San Diego, TX
  • Average pressure in April: 29.89"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

Average wind speed in April
San Diego, TX

Average wind speed in April - San Diego, TX
  • Average wind speed in April: 10.7mph

The windiest month (with the highest average wind speed) is May (11.2mph).
The calmest month (with the lowest average wind speed) is September (8.2mph).

Average humidity in April
San Diego, TX

Average humidity in April - San Diego, TX
  • Average humidity in April: 70%

The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (62%).

Average rainfall in April
San Diego, TX

Average rainfall in April - San Diego, TX
  • Average rainfall in April: 1.06"

The wettest month (with the highest rainfall) is September (2.52").
The driest month (with the least rainfall) is February (0.59").

Average rainfall days in April
San Diego, TX

Average rainfall days in April - San Diego, TX
  • Average rainfall days in April: 10.6 days

The month with the highest number of rainy days is September (17.1 days).
The month with the least rainy days is January (7 days).

Average snowfall in April
San Diego, TX

Average snowfall in April - San Diego, TX
  • Average snowfall in April: 0"

The months with the highest snowfall are January, February and December (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in April
San Diego, TX

Average snowfall days in April - San Diego, TX
  • Average snowfall days in April: 0 days

The months with the highest number of snowfall days are January and February (0.2 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 Diego, TX

Average daylight in April / Average sunshine in April - San Diego, TX
  • Average daylight in April: 12h and 5min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in April
San Diego, TX

Average sunshine days in April - San Diego, TX
  • Average sunshine days in April: 16.8 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is September (11.2 days).

Average UV index in April
San Diego, TX

Average UV index in April - San Diego, TX
  • Average UV index in April: 6

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 4).

Average cloud cover in April
San Diego, TX

Average cloud cover in April - San Diego, TX
  • Average cloud cover in April: 40

The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in April
San Diego, TX

Average visibility in April - San Diego, TX
  • Average visibility in April: 6mi

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).

San Diego, Texas, USA

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