Climate and monthly weather forecastCastroville, TX
Climate and monthly weather forecast
Weather in January
January, the same as December, is another enjoyable winter month in Castroville, Texas, with an average temperature varying between 43.3°F (6.3°C) and 61.3°F (16.3°C). In Castroville, the month of January registers the lowest temperatures, averaging 61.3°F (16.3°C) at the peak and 43.3°F (6.3°C) at the lowest. Weather in January »Weather in February
The last month of the winter, February, is another comfortable month in Castroville, Texas, with an average temperature varying between 65.7°F (18.7°C) and 46.8°F (8.2°C). Upon the beginning of February, Castroville's high-temperatures register at a still refreshing 65.7°F (18.7°C), closely mirroring the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a pleasant month in Castroville, Texas, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 53.2°F (11.8°C). The shift from February to March introduces a subtle increase in the average high-temperature, moving from a refreshing 65.7°F (18.7°C) to a pleasant 72.5°F (22.5°C). Weather in March »Weather in April
April is a warm spring month in Castroville, Texas, with an average temperature fluctuating between 58.6°F (14.8°C) and 79.5°F (26.4°C). The transition from March to April brings a subtle temperature rise, with average high-temperatures increasing from a pleasant 72.5°F (22.5°C) to a moderately hot 79.5°F (26.4°C). Weather in April »Weather in May
May, the last month of the spring in Castroville, is also a moderately hot month, with an average temperature varying between 65.8°F (18.8°C) and 85.5°F (29.7°C). May's arrival sees a mild rise in the average high-temperature, transitioning from April's moderately hot 79.5°F (26.4°C) to a still warm 85.5°F (29.7°C). Weather in May »Weather in June
June, the first month of the summer in Castroville, is a tropical month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 71.6°F (22°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from a warm 85.5°F (29.7°C) in May to a tropical 91.9°F (33.3°C). Weather in June »Weather in July
July, like June, is another hot summer month in Castroville, Texas, with an average temperature ranging between min 73.4°F (23°C) and max 94.6°F (34.8°C). As July takes its course, Castroville's average high-temperature registers at a still hot 94.6°F (34.8°C), closely aligning with the preceding month. Weather in July »Weather in August
The last month of the summer, August, is a sweltering month in Castroville, Texas, with an average temperature ranging between max 95.7°F (35.4°C) and min 74.3°F (23.5°C). August, recognised by an average high temperature of 95.7°F (35.4°C) and a low of 74.3°F (23.5°C), is Castroville's warmest month. The heat index value for August is computed to be a blazing hot 113°F (45°C). Weather in August »Weather in September
September, the first month of the autumn in Castroville, is also a hot month, with an average temperature fluctuating between 70.5°F (21.4°C) and 88.5°F (31.4°C). The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a sweltering 95.7°F (35.4°C) in August to a hot 88.5°F (31.4°C). Weather in September »Weather in October
October, like September, in Castroville, Texas, is a moderately hot autumn month, with an average temperature ranging between max 79.9°F (26.6°C) and min 61.5°F (16.4°C). The onset of October entails a subtle temperature shift, as the average high-temperature eases from a hot 88.5°F (31.4°C) in September to a warm 79.9°F (26.6°C). Weather in October »Weather in November
November, the last month of the autumn in Castroville, is another pleasant month, with an average temperature ranging between max 68.9°F (20.5°C) and min 51.3°F (10.7°C). In November, the average high-temperature goes from a moderately hot 79.9°F (26.6°C) in October to an agreeable 68.9°F (20.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an enjoyable month in Castroville, Texas, with an average temperature varying between 61.7°F (16.5°C) and 45°F (7.2°C). With the commencement of December, Castroville records a moderate temperature decline, with the average high easing from November's pleasant 68.9°F (20.5°C) to an enjoyable 61.7°F (16.5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Castroville, TX
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (61.3°F).
The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).
Average pressure
Castroville, TX
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.91"Hg - Average pressure in May:
29.89"Hg - Average pressure in June:
29.89"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.94"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.89"Hg).
Average wind speed
Castroville, TX
- Average wind speed in January:
7.8mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.8mph - Average wind speed in April:
9.1mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.2mph
- Average wind speed in July:
7.6mph - Average wind speed in August:
7mph - Average wind speed in September:
6.6mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.6mph - Average wind speed in December:
7.5mph
The windiest months (with the highest average wind speed) are April and May (9.1mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity
Castroville, TX
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (58%).
Average rainfall
Castroville, TX
- Average rainfall in January:
0.94" - Average rainfall in February:
0.87" - Average rainfall in March:
1.3" - Average rainfall in April:
1.5" - Average rainfall in May:
2.99" - Average rainfall in June:
2.24"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.54" - Average rainfall in September:
2.83" - Average rainfall in October:
2.01" - Average rainfall in November:
0.98" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days
Castroville, TX
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
10.3 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
12.3 days
- Average rainfall days in July:
10.7 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
14.9 days - Average rainfall days in October:
9.8 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
9.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Castroville, TX
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days
Castroville, TX
- Average snowfall days in January:
0.4 days - Average snowfall days in February:
0.4 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:
0.1 days - Average snowfall days in December:
0.1 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Castroville, TX
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 36min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 48min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
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 January:
6h and 30min - Average sunshine in February:
6h and 42min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 6min - Average sunshine in May:
7h and 42min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 18min - Average sunshine in October:
7h and 0min - Average sunshine in November:
5h and 18min - Average sunshine in December:
5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are November and December (Average sunshine: 5h and 18min).
Average sunshine days
Castroville, TX
- Average sunshine days in January:
20.7 days - Average sunshine days in February:
15.6 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
14.1 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
14.2 days
- Average sunshine days in July:
18.3 days - Average sunshine days in August:
20.1 days - Average sunshine days in September:
13.1 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
19.4 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is May (11.8 days).
Average UV index
Castroville, TX
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
Castroville, TX
The months with the most cloud cover are March and May (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility
Castroville, 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).





