Climate and monthly weather forecastSan Diego, TX
Climate and monthly weather forecast
Weather in January
January, the same as December, is another comfortable winter month in San Diego, Texas, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 65.5°F (18.6°C). In San Diego, the month of January is known for its lowest average temperatures, reaching a high of 65.5°F (18.6°C) and a low of 48.7°F (9.3°C). Weather in January »Weather in February
The last month of the winter, February, is a pleasant month in San Diego, Texas, with temperature in the range of an average high of 70.2°F (21.2°C) and an average low of 53.1°F (11.7°C). The transition into February reveals an average high-temperature of a pleasant 70.2°F (21.2°C), mirroring a close resemblance to January. Weather in February »Weather in March
March, the first month of the spring in San Diego, is a warm month, with an average temperature fluctuating between 58.6°F (14.8°C) and 76.6°F (24.8°C). San Diego observes a slight uplift in the average high-temperature with the onset of March, adjusting from February's agreeable 70.2°F (21.2°C) to a warm 76.6°F (24.8°C). Weather in March »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). 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). Weather in April »Weather in May
May, the last month of the spring in San Diego, is a hot month, with temperature in the range of an average high of 88.9°F (31.6°C) and an average low of 70.3°F (21.3°C). The start of May sees the average high-temperature at a tropical 88.9°F (31.6°C), showing little difference from April's 83.8°F (28.8°C). Weather in May »Weather in June
June, the first month of the summer in San Diego, is still a tropical month, with an average temperature fluctuating between 74.5°F (23.6°C) and 93.7°F (34.3°C). San Diego, Texas, registers an average high-temperature of a still tropical 93.7°F (34.3°C) with the arrival of June, showing minor deviation from the preceding month. Weather in June »Weather in July
July in San Diego, Texas, is a sweltering summer month, with an average temperature varying between 75.7°F (24.3°C) and 96.4°F (35.8°C). As San Diego transitions from June to July, the average high-temperatures adjust to a sweltering 96.4°F (35.8°C), nearly the same as the previous 93.7°F (34.3°C). Weather in July »Weather in August
The last month of the summer, August, is another torrid month in San Diego, Texas, with an average temperature ranging between max 97.9°F (36.6°C) and min 77.2°F (25.1°C). August is the month when San Diego, Texas, experiences its warmest temperatures, averaging a high of 97.9°F (36.6°C) and a low of 77.2°F (25.1°C). August's heat index is calculated to be a burning hot 123.8°F (51°C). Weather in August »Weather in September
September, the first month of the autumn in San Diego, is also a hot month, with an average temperature fluctuating between 90.5°F (32.5°C) and 74.8°F (23.8°C). September sees a slight reduction in average high-temperature, with a shift from a very hot 97.9°F (36.6°C) in August to a tropical 90.5°F (32.5°C). Weather in September »Weather in October
October, like September, in San Diego, Texas, is a moderately hot autumn month, with an average temperature varying between 66.4°F (19.1°C) and 84°F (28.9°C). Transition into October subtly marks a drop in the average high-temperature, moderately moving from a tropical 90.5°F (32.5°C) in September to a moderately hot 84°F (28.9°C). Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in San Diego, Texas, with an average temperature ranging between min 57.2°F (14°C) and max 73.4°F (23°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a still warm 73.4°F (23°C) from 84°F (28.9°C). Weather in November »Weather in December
The first month of the winter, December, is still a refreshing month in San Diego, Texas, with an average temperature fluctuating between 66.4°F (19.1°C) and 51.1°F (10.6°C). The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a warm 73.4°F (23°C) to a comfortable 66.4°F (19.1°C). Weather in December »Updated: Feb 14, 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
January stands out as San Diego's coldest month, with temperatures ranging between an average high of 65.5°F (18.6°C) and a low of 48.7°F (9.3°C).
In San Diego, during the entire year, the rain falls for 123.7 days and collects up to 15.24" (387mm) of precipitation.
Months with snowfall in San Diego, Texas, are January, February and December.
The months with the most snowfall are January, February and December, with an average 0.04" (1mm) of accumulated snow.
In San Diego, during the entire year, snow falls for 0.5 days and aggregates up to 0.12" (3mm) of snow.
The months with the lowest UV index in San Diego, Texas, are January and December, with an average maximum UV index of 4.
The month with the least rainfall in San Diego, Texas, is February, when the rain falls for 8.5 days and typically collects 0.59" (15mm) of precipitation.
In San Diego, Texas, snow does not fall in March through November.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in San Diego, Texas, 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.
May is the most humid month in San Diego, with an average relative humidity of 72%.
June has the longest days of the year in San Diego, Texas, with an average of 13h and 54min of daylight.
With an average of 10.9h of sunshine, July has the most sunshine of the year in San Diego.
July is the month with the highest UV index in San Diego, with an average maximum UV index of 8.
The warmest time of the year is August, with temperatures averaging a high of 97.9°F (36.6°C) and a low of 77.2°F (25.1°C).
With an average relative humidity of 62%, August is the least humid month in San Diego, Texas.
September is the month with the most rainfall in San Diego, Texas. Rain falls for 17.1 days and accumulates 2.52" (64mm) of precipitation.
With an average of 10h and 24min of daylight, December has the shortest days of the year in San Diego.
With an average of 5.1h of sunshine, December has the least sunshine of the year in San Diego.
Average temperature
San Diego, TX
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).
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
San Diego, TX
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.89"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:
29.89"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.09"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
San Diego, TX
- Average wind speed in January:
8.7mph - Average wind speed in February:
9.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.7mph - Average wind speed in May:
11.2mph - Average wind speed in June:
10.2mph
- Average wind speed in July:
10.6mph - Average wind speed in August:
9.7mph - Average wind speed in September:
8.2mph - Average wind speed in October:
8.6mph - Average wind speed in November:
8.7mph - Average wind speed in December:
8.5mph
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
San Diego, TX
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (62%).
Average rainfall
San Diego, TX
- Average rainfall in January:
0.63" - Average rainfall in February:
0.59" - Average rainfall in March:
0.94" - Average rainfall in April:
1.06" - Average rainfall in May:
1.93" - Average rainfall in June:
1.69"
- Average rainfall in July:
1.54" - Average rainfall in August:
1.06" - Average rainfall in September:
2.52" - Average rainfall in October:
1.5" - Average rainfall in November:
0.91" - Average rainfall in December:
0.87"
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
San Diego, TX
- Average rainfall days in January:
7 days - Average rainfall days in February:
8.5 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
10.6 days - Average rainfall days in May:
12.5 days - Average rainfall days in June:
12.6 days
- Average rainfall days in July:
10.2 days - Average rainfall days in August:
9 days - Average rainfall days in September:
17.1 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
8.5 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
San Diego, TX
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
San Diego, TX
- Average snowfall days in January:
0.2 days - Average snowfall days in February:
0.2 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:
0.1 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 / Average sunshine
San Diego, TX
- Average daylight in January:
10h and 36min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 48min - Average daylight in May:
13h and 30min - Average daylight in June:
13h and 54min
- Average daylight in July:
13h and 42min - Average daylight in August:
13h and 6min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 48min - Average daylight in December:
10h and 24min
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 January:
6h and 30min - Average sunshine in February:
6h and 48min - Average sunshine in March:
7h and 12min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 54min - Average sunshine in August:
9h and 54min - Average sunshine in September:
8h and 30min - Average sunshine in October:
7h and 36min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 6min
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
San Diego, TX
- Average sunshine days in January:
21.8 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
20.2 days - Average sunshine days in April:
16.8 days - Average sunshine days in May:
15.8 days - Average sunshine days in June:
15.6 days
- Average sunshine days in July:
19 days - Average sunshine days in August:
19.9 days - Average sunshine days in September:
11.2 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
20.3 days - Average sunshine days in December:
20 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
San Diego, 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 4).
Average cloud cover
San Diego, TX
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
San Diego, 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).
