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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Calallen, Texas, is another refreshing winter month, with an average temperature fluctuating between 50.4°F (10.2°C) and 64.9°F (18.3°C). The lowest temperatures are recorded in January, with averages reaching a high of 64.9°F (18.3°C) and a low of 50.4°F (10.2°C). Weather in January »
Weather in February
February, the last month of the winter in Calallen, is a pleasant month, with temperature in the range of an average high of 69.1°F (20.6°C) and an average low of 54.1°F (12.3°C). February commences with an average high-temperature of a pleasant 69.1°F (20.6°C), showing little deviation from January's 64.9°F (18.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a moderately hot month in Calallen, Texas, with an average temperature fluctuating between 60.1°F (15.6°C) and 74.8°F (23.8°C). The embrace of March brings a minor uplift in the average high-temperature, shifting from a pleasant 69.1°F (20.6°C) in February to a moderately hot 74.8°F (23.8°C). Weather in March »
Weather in April
April, the same as March, is a moderately hot spring month in Calallen, Texas, with an average temperature varying between 81.5°F (27.5°C) and 65.8°F (18.8°C). The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from a warm 74.8°F (23.8°C) in March to a still moderately hot 81.5°F (27.5°C). Weather in April »
Weather in May
May, the last month of the spring in Calallen, is a tropical month, with an average temperature varying between 71.4°F (21.9°C) and 86.4°F (30.2°C). May experiences an average high-temperature of a tropical 86.4°F (30.2°C), barely different from April's 81.5°F (27.5°C). Weather in May »
Weather in June
The first month of the summer, June, is still a hot month in Calallen, Texas, with temperature in the range of an average high of 91.4°F (33°C) and an average low of 76.5°F (24.7°C). The transition from May to June brings an average high-temperature of a still hot 91.4°F (33°C), barely different from May's 86.4°F (30.2°C). Weather in June »
Weather in July
July, the same as June, in Calallen, Texas, is another hot summer month, with an average temperature varying between 93.7°F (34.3°C) and 77.5°F (25.3°C). During July, the average high-temperature is a still hot 93.7°F (34.3°C), maintaining a close resemblance to that of the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Calallen, is a very hot month, with temperature in the range of an average low of 79°F (26.1°C) and an average high of 95°F (35°C). With average temperatures fluctuating between a high of 95°F (35°C) and a low of 79°F (26.1°C), August stands out as the warmest month. During August, the heat index is estimated at a life-threatening hot 118.4°F (48°C). Weather in August »
Weather in September
September, the first month of the autumn in Calallen, is also a hot month, with an average temperature fluctuating between 76.5°F (24.7°C) and 89.6°F (32°C). September's arrival aligns with a minor decrease in average high-temperatures, from August's sweltering 95°F (35°C) to a tropical 89.6°F (32°C). Weather in September »
Weather in October
October, the same as September, is a moderately hot autumn month in Calallen, Texas, with an average temperature fluctuating between 68.5°F (20.3°C) and 83.3°F (28.5°C). As September makes way for October, Calallen's average high-temperature eases from a hot 89.6°F (32°C) to a warm 83.3°F (28.5°C). Weather in October »
Weather in November
The last month of the autumn, November, is another pleasant month in Calallen, Texas, with temperature in the range of an average high of 73°F (22.8°C) and an average low of 59.4°F (15.2°C). The start of November comes with a reduction in the average high-temperature, receding from a moderately hot 83.3°F (28.5°C) in October to a pleasant 73°F (22.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an enjoyable month in Calallen, Texas, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 65.7°F (18.7°C). December's arrival comes with a mild decrease in the average high-temperature, moving subtly from an agreeable 73°F (22.8°C) in November to an enjoyable 65.7°F (18.7°C). Weather in December »
Updated: Jun 7, 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
What is the coldest month?
Temperature readings in Calallen reach their annual highs in January, averaging 64.9°F (18.3°C) and a minimum average of 50.4°F (10.2°C).
How much does it rain?
Throughout the year, there are 135.9 rainfall days, and 16.65" (423mm) of precipitation is accumulated.
When it does not snow?
In Calallen, snow does not fall in January, March through December.
How many days does it snow?
Throughout the year, in Calallen, Texas, there are 0.1 snowfall days.
What is the month with the lowest UV index?
The months with the lowest UV index are January and December, with an average maximum UV index of 4.
When does it snow?
February is the only month when snow falls.
What is the snowiest month?
February has the most snowfall days of the year. Snow falls for 0.1 days.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
What is the most humid month?
The most humid month is May, with an average relative humidity of 75%.
When are the longest days?
With an average of 13h and 54min of daylight, June has the longest days of the year.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 11.2h of sunshine.
When is the highest UV index?
The month with the highest UV index is July, with an average maximum UV index of 8.
What time of the year is the hottest?
Calallen reaches its average highest temperatures in August, measuring 95°F (35°C) at the peak and 79°F (26.1°C) at the lowest.
What is the least humid month?
The least humid month is August, with an average relative humidity of 66%.
What is the driest month?
August is the month with the least rainfall in Calallen. Rain falls for 7.1 days and accumulates 0.71" (18mm) of precipitation.
What is the wettest month?
The month with the most rainfall is September, when the rain falls for 16.5 days and typically aggregates up to 2.48" (63mm) of precipitation.
What is the month with the shortest days in Calallen?
With an average of 10h and 24min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 4.8h of sunshine.
Average temperature
Calallen, TX
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (64.9°F).
The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (50.4°F).
Average pressure
Calallen, TX
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.9"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 (29.88"Hg).
Average wind speed
Calallen, TX
- Average wind speed in January:
9.2mph - Average wind speed in February:
10mph - Average wind speed in March:
10.7mph - Average wind speed in April:
11mph - Average wind speed in May:
11.1mph - Average wind speed in June:
9.9mph
- Average wind speed in July:
10.2mph - Average wind speed in August:
9.5mph - Average wind speed in September:
8.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9mph
The windiest month (with the highest average wind speed) is May (11.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).
Average humidity
Calallen, TX
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (66%).
Average rainfall
Calallen, TX
- Average rainfall in January:
1.14" - Average rainfall in February:
0.79" - Average rainfall in March:
1.22" - Average rainfall in April:
1.34" - Average rainfall in May:
1.54" - Average rainfall in June:
1.81"
The wettest month (with the highest rainfall) is September (2.48").
The driest month (with the least rainfall) is August (0.71").
Average rainfall days
Calallen, TX
- Average rainfall days in January:
10.1 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
12.1 days - Average rainfall days in May:
12.1 days - Average rainfall days in June:
11.8 days
- Average rainfall days in July:
8.5 days - Average rainfall days in August:
7.1 days - Average rainfall days in September:
16.5 days - Average rainfall days in October:
11.5 days - Average rainfall days in November:
11.3 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is September (16.5 days).
The month with the least rainy days is August (7.1 days).
Average snowfall days
Calallen, TX
- Average snowfall days in January:
0 days - Average snowfall days in February:
0.1 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 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight / Average sunshine
Calallen, TX
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 1min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 2min
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 1min - Average sunshine in February:
6h and 3min - Average sunshine in March:
7h and 0min - Average sunshine in April:
8h and 0min - Average sunshine in May:
9h and 4min - Average sunshine in June:
10h and 4min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 4min - Average sunshine in October:
7h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days
Calallen, TX
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
13.9 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
15.7 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
21.6 days - Average sunshine days in August:
21.2 days - Average sunshine days in September:
11.3 days - Average sunshine days in October:
16.3 days - Average sunshine days in November:
15.9 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is September (11.3 days).
Average UV index
Calallen, 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
Calallen, TX
The months with the most cloud cover are February and December (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Calallen, 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).