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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, like December, in Houston, Delaware, is a wintry winter month, with an average temperature fluctuating between 40.6°F (4.8°C) and 29.7°F (-1.3°C). The lowest temperatures are recorded in January, with averages reaching a high of 40.6°F (4.8°C) and a low of 29.7°F (-1.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Houston, Delaware, with an average temperature ranging between min 31.5°F (-0.3°C) and max 43.7°F (6.5°C). The transition into February notes an average high-temperature of a frosty 43.7°F (6.5°C), revealing a mild distinction from the 40.6°F (4.8°C) in January. Weather in February »
Weather in March
March, the first month of the spring in Houston, is still a chilly month, with an average temperature varying between 49.8°F (9.9°C) and 37.9°F (3.3°C). A subtle rise in the average high-temperature is observed during March, adjusting from 43.7°F (6.5°C) in February to a still chilly 49.8°F (9.9°C). Weather in March »
Weather in April
April is a mild spring month in Houston, Delaware, with an average temperature ranging between max 60.6°F (15.9°C) and min 47.7°F (8.7°C). The shift into April is marked by a rise in the average high-temperature, moving from March's frosty 49.8°F (9.9°C) to a moderate 60.6°F (15.9°C). Weather in April »
Weather in May
May, the last month of the spring in Houston, is a pleasant month, with an average temperature ranging between max 70°F (21.1°C) and min 57°F (13.9°C). Houston in May sees a temperature change, with average high-temperatures moving from a refreshing 60.6°F (15.9°C) in April to an agreeable 70°F (21.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Houston, Delaware, with an average temperature fluctuating between 65.5°F (18.6°C) and 78.1°F (25.6°C). The start of June brings a subtle rise in the average high-temperature, moving from an agreeable 70°F (21.1°C) in May to a warm 78.1°F (25.6°C). Weather in June »
Weather in July
July, like June, in Houston, Delaware, is a moderately hot summer month, with an average temperature fluctuating between 70.7°F (21.5°C) and 83.1°F (28.4°C). Houston's temperatures peak on average in July, reaching 83.1°F (28.4°C) at their highest and 70.7°F (21.5°C) at their lowest. Throughout July, the heat index is evaluated at a hot 91.4°F (33°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Houston, Delaware, with an average temperature varying between 81.5°F (27.5°C) and 69.3°F (20.7°C). The arrival of August sees an average high-temperature of a still moderately hot 81.5°F (27.5°C), hardly diverging from July's 83.1°F (28.4°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Houston, Delaware, with an average temperature fluctuating between 76.1°F (24.5°C) and 64°F (17.8°C). A mild drop in Houston's average high-temperature is observed in September, transitioning from 81.5°F (27.5°C) in August to a still warm 76.1°F (24.5°C). Weather in September »
Weather in October
October, like September, in Houston, Delaware, is another refreshing autumn month, with an average temperature varying between 54.5°F (12.5°C) and 66.2°F (19°C). October's onset corresponds with a shift in the average high-temperature, moving from a warm 76.1°F (24.5°C) in September to a refreshing 66.2°F (19°C). Weather in October »
Weather in November
November, the last month of the autumn in Houston, is another cool month, with an average temperature fluctuating between 54.5°F (12.5°C) and 43.7°F (6.5°C). With November's onset, the weather shows a temperature decrease, transitioning from a refreshing 66.2°F (19°C) in October to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Houston, is still a chilly month, with an average temperature varying between 36.3°F (2.4°C) and 46.8°F (8.2°C). As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a fresh 54.5°F (12.5°C) to a frosty 46.8°F (8.2°C). Weather in December »
Updated: Aug 23, 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 in Houston?
January is the coldest month, with the temperature often reaching an average high of 40.6°F (4.8°C) and an average low of 29.7°F (-1.3°C).
What is the least humid month?
January and November, with an average relative humidity of 74%, are the least humid months.
What is the driest month?
January is the month with the least rainfall. Rain falls for 8.4 days and accumulates 1.5" (38mm) of precipitation.
How much does it rain?
In Houston, during the entire year, the rain falls for 152.4 days and collects up to 25.94" (659mm) of precipitation.
When does it snow?
Months with snowfall in Houston are January through March, May, November and December.
When does it snow the most?
The month with the most snowfall in Houston is January, when snow falls for 3.3 days and typically aggregates up to 1.22" (31mm) of snow.
How many days does it snow?
In Houston, Delaware, during the entire year, snow falls for 10.4 days and aggregates up to 4.29" (109mm) of snow.
What are the months with the lowest UV index?
The months with the lowest UV index in Houston are January and December, with an average maximum UV index of 2.
What is the month with the least sunshine?
February has the least sunshine of the year in Houston, with an average of 5h of sunshine.
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 EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
When it does not snow?
April, June through October are months without snowfall.
What is the most humid month?
With an average relative humidity of 80%, May is the most humid month.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, 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 54min of daylight.
What month is the hottest in Houston?
In Houston, temperatures reach their average annual highs in July, measuring 83.1°F (28.4°C) and a minimum average of 70.7°F (21.5°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.8h of sunshine.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 16 days and typically aggregates up to 3.07" (78mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Houston, DE
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure
Houston, DE
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Houston, DE
- Average wind speed in January:
10.3mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.2mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Houston, DE
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall
Houston, DE
- Average rainfall in January:
1.5" - Average rainfall in February:
1.89" - Average rainfall in March:
2.13" - Average rainfall in April:
1.61" - Average rainfall in May:
2.28" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.95" - Average rainfall in August:
3.07" - Average rainfall in September:
1.85" - Average rainfall in October:
2.44" - Average rainfall in November:
1.85" - Average rainfall in December:
1.89"
The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days
Houston, DE
- Average rainfall days in January:
8.4 days - Average rainfall days in February:
9.8 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
13.5 days - Average rainfall days in May:
16.1 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
8.9 days - Average rainfall days in December:
10.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).
Average snowfall
Houston, DE
The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days
Houston, DE
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
2.7 days - Average snowfall days in March:
2.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Houston, DE
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 5min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 5min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 5min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days
Houston, DE
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
14.7 days - Average sunshine days in October:
18.4 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).
Average UV index
Houston, DE
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Houston, DE
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility
Houston, DE
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).
Houston, Delaware, USA
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