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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
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another refreshing winter month in Katy, Texas, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 61°F (16.1°C). In Katy, the lowest average temperatures are observed in January, with a high of 61°F (16.1°C) and a low of 45°F (7.2°C). Weather in January »
Weather in February
The last month of the winter, February, is also an enjoyable month in Katy, Texas, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 49.1°F (9.5°C). The commencement of February notes an average high-temperature of a still refreshing 64.9°F (18.3°C), exhibiting little difference from the previous month. Weather in February »
Weather in March
March, the first month of the spring in Katy, is a pleasant month, with temperature in the range of an average high of 71.8°F (22.1°C) and an average low of 55°F (12.8°C). The embrace of March brings a minor uplift in the average high-temperature, shifting from a comfortable 64.9°F (18.3°C) in February to an agreeable 71.8°F (22.1°C). Weather in March »
Weather in April
April in Katy, Texas, is a warm spring month, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 60.4°F (15.8°C). A minor escalation in the average high-temperature is seen with the onset of April, moving from a pleasant 71.8°F (22.1°C) in March to a moderately hot 78.6°F (25.9°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Katy, Texas, with temperature in the range of an average low of 68°F (20°C) and an average high of 85.5°F (29.7°C). A subtle rise in the average high-temperature is observed during May, adjusting from 78.6°F (25.9°C) in April to a still moderately hot 85.5°F (29.7°C). Weather in May »
Weather in June
June, the first month of the summer in Katy, is a tropical month, with an average temperature ranging between min 73.8°F (23.2°C) and max 91°F (32.8°C). As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from a moderately hot 85.5°F (29.7°C) to a tropical 91°F (32.8°C). Weather in June »
Weather in July
July, like June, is another hot summer month in Katy, Texas, with an average temperature varying between 75°F (23.9°C) and 93.2°F (34°C). As Katy transitions from June to July, the average high-temperatures adjust to a still tropical 93.2°F (34°C), nearly the same as the previous 91°F (32.8°C). Weather in July »
Weather in August
August, the last month of the summer in Katy, is also a hot month, with an average temperature varying between 94.6°F (34.8°C) and 75.7°F (24.3°C). August, with its average high-temperature of 94.6°F (34.8°C) and an average low-temperature of 75.7°F (24.3°C), holds the record as the warmest month. The heat index value during August is evaluated at a life-threatening hot 122°F (50°C). Weather in August »
Weather in September
September, the first month of the autumn in Katy, is still a tropical month, with an average temperature ranging between max 88.7°F (31.5°C) and min 71.8°F (22.1°C). September's arrival signals a moderate reduction in the average high-temperature, easing from 94.6°F (34.8°C) in August to a still hot 88.7°F (31.5°C). Weather in September »
Weather in October
October, like September, in Katy, Texas, is a moderately hot autumn month, with an average temperature varying between 80.8°F (27.1°C) and 62.4°F (16.9°C). The transition to October results in a modest reduction in average high-temperature, moving from a tropical 88.7°F (31.5°C) in September to a warm 80.8°F (27.1°C). Weather in October »
Weather in November
The last month of the autumn, November, is another pleasant month in Katy, Texas, with temperature in the range of an average low of 53.6°F (12°C) and an average high of 70.2°F (21.2°C). Katy's progression into November includes a drop in the average high-temperature, from a moderately hot 80.8°F (27.1°C) in October to a pleasant 70.2°F (21.2°C). Weather in November »
Weather in December
December, the first month of the winter in Katy, is still a comfortable month, with temperature in the range of an average high of 62.6°F (17°C) and an average low of 47.8°F (8.8°C). December marks a gentle change in average high-temperature, declining from November's pleasant 70.2°F (21.2°C) to a comfortable 62.6°F (17°C). Weather in December »
Updated: Jul 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
What month is the coldest?
Katy's temperature records reveal January as the coldest month, marked by average highs of 61°F (16.1°C) and lows of 45°F (7.2°C).
How much does it rain?
Throughout the year, there are 169 rainfall days, and 30.12" (765mm) of precipitation is accumulated.
When does it snow?
January and December are months with snowfall.
How many days does it snow?
In Katy, during the entire year, snow falls for 0.8 days and aggregates up to 0.2" (5mm) of snow.
What are the most humid months?
The months with the highest humidity are February and March, with an average relative humidity of 78%.
What is the driest month in Katy?
February is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.42" (36mm) of precipitation.
When it does not snow?
February through November are months without snowfall.
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 rainiest month?
The month with the most rainfall is May, when the rain falls for 13.8 days and typically aggregates up to 4.29" (109mm) of precipitation.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 7, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 0min of daylight.
What month is the hottest?
In Katy, August is known for its average highest temperatures, reaching a high of 94.6°F (34.8°C) and a low of 75.7°F (24.3°C).
What are the least humid months?
August and October, with an average relative humidity of 71%, are the least humid months.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.2h of sunshine.
When does it snow the most?
December is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.12" (3mm) of snow.
What is the month with the shortest days?
With an average of 10h and 18min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
The month with the least sunshine is December, with an average of 4.9h of sunshine.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 3.
Average temperature
Katy, TX
The warmest month (with the highest average high temperature) is August (94.6°F).
The month with the lowest average high temperature is January (61°F).
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (45°F).
Average pressure
Katy, TX
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.94"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.96"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Katy, TX
- Average wind speed in January:
7.7mph - Average wind speed in February:
8.1mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.4mph - Average wind speed in May:
7.7mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
6mph - Average wind speed in August:
5.9mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.8mph - Average wind speed in November:
7.3mph - Average wind speed in December:
7.6mph
The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity
Katy, TX
The months with the highest relative humidity are February and March (78%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall
Katy, TX
- Average rainfall in January:
1.5" - Average rainfall in February:
1.42" - Average rainfall in March:
1.85" - Average rainfall in April:
1.89" - Average rainfall in May:
4.29" - Average rainfall in June:
3.07"
- Average rainfall in July:
2.72" - Average rainfall in August:
3.39" - Average rainfall in September:
3.66" - Average rainfall in October:
2.72" - Average rainfall in November:
1.61" - Average rainfall in December:
2.01"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days
Katy, TX
- Average rainfall days in January:
10.5 days - Average rainfall days in February:
11.2 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
13.4 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
17.9 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.8 days - Average rainfall days in September:
18.8 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
11.7 days - Average rainfall days in December:
11.9 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is January (10.5 days).
Average snowfall
Katy, TX
The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Katy, TX
- Average snowfall days in January:
0.4 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:
0.2 days
The month with the highest number of snowfall days is January (0.4 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
Katy, TX
- Average daylight in January:
10h and 3min - 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 4min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 5min - Average daylight in August:
13h and 1min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 4min - Average daylight in December:
10h and 2min
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:
5h and 2min - Average sunshine in February:
5h and 5min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
6h and 5min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Katy, TX
- Average sunshine days in January:
18.7 days - Average sunshine days in February:
13.7 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
14 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
10.1 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
8.9 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
16 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is January (18.7 days).
The month with the least sunshine days is September (8.9 days).
Average UV index
Katy, TX
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Katy, TX
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Katy, TX
The months with the highest visibility are January, February, March, June, August, September, October, November and December (6mi).
The months with the lowest visibility are April, May and July (5mi).
Katy, Texas, USA
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