Climate and monthly weather forecast
Diana, TX

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Weather in January

January, the same as December, is another fresh winter month in Diana, Texas, with an average temperature varying between 37.9°F (3.3°C) and 53.8°F (12.1°C). January is the coldest month, with an average high-temperature of 53.8°F (12.1°C) and an average low-temperature of 37.9°F (3.3°C). Weather in January »

Weather in February

The last month of the winter, February, is a mild month in Diana, Texas, with an average temperature ranging between max 57.6°F (14.2°C) and min 41.5°F (5.3°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a refreshing 57.6°F (14.2°C) from January's 53.8°F (12.1°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Diana, Texas, with an average temperature ranging between min 48.2°F (9°C) and max 66.4°F (19.1°C). The start of March is characterized by a subtle increase in the average high-temperature, transitioning from a moderate 57.6°F (14.2°C) in February to an enjoyable 66.4°F (19.1°C). Weather in March »

Weather in April

April is a warm spring month in Diana, Texas, with an average temperature fluctuating between 75.6°F (24.2°C) and 54.3°F (12.4°C). April marks a rise in the average high-temperature, moving from March's refreshing 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). Weather in April »

Weather in May

May, the last month of the spring in Diana, is another warm month, with an average temperature fluctuating between 62.8°F (17.1°C) and 83.5°F (28.6°C). As May arrives, Diana's weather shows a minor increase in high-temperatures, edging from April's moderately hot 75.6°F (24.2°C) to a still warm 83.5°F (28.6°C). Weather in May »

Weather in June

June, the first month of the summer in Diana, is a tropical month, with an average temperature ranging between max 91.9°F (33.3°C) and min 70.7°F (21.5°C). With the start of June, the average high-temperature marginally shifts from May's moderately hot 83.5°F (28.6°C) to a tropical 91.9°F (33.3°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Diana, Texas, with temperature in the range of an average high of 94.6°F (34.8°C) and an average low of 73°F (22.8°C). Diana experiences a recorded average high-temperature of a still tropical 94.6°F (34.8°C) in July, closely aligned with June's 91.9°F (33.3°C). Weather in July »

Weather in August

August, the last month of the summer in Diana, is another tropical month, with an average temperature ranging between min 73°F (22.8°C) and max 94.8°F (34.9°C). August stands out as Diana's warmest month, with temperatures ranging between an average high of 94.8°F (34.9°C) and a low of 73°F (22.8°C). August's heat index is computed to be a blazing hot 118.4°F (48°C). Weather in August »

Weather in September

September, the first month of the autumn in Diana, is still a tropical month, with an average temperature fluctuating between 88.2°F (31.2°C) and 67.1°F (19.5°C). Diana's September weather features a light decline in high-temperatures, reducing from 94.8°F (34.9°C) in August to a still hot 88.2°F (31.2°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Diana, Texas, with an average temperature varying between 56.3°F (13.5°C) and 76.5°F (24.7°C). The shift to October brings a decrease in the average high-temperature, falling from a tropical 88.2°F (31.2°C) in September to a warm 76.5°F (24.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Diana, is another refreshing month, with an average temperature fluctuating between 46.9°F (8.3°C) and 63.7°F (17.6°C). Arrival of November comes with a reduction in the average high-temperature, falling from a warm 76.5°F (24.7°C) in October to an enjoyable 63.7°F (17.6°C). Weather in November »

Weather in December

December, the first month of the winter in Diana, is still a refreshing month, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 40.8°F (4.9°C). The arrival of December correlates with a minor temperature reduction, down from November's enjoyable 63.7°F (17.6°C) to a still refreshing 55.6°F (13.1°C). Weather in December »
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

January is the month that records the lowest temperatures, with averages ranging from a high of 53.8°F (12.1°C) to a low of 37.9°F (3.3°C).

How many days does it rain in Diana?

In Diana, during the entire year, the rain falls for 150.9 days and collects up to 31.42" (798mm) of precipitation.

When does it snow?

January through March and December are months with snowfall.

How much does it snow?

Throughout the year, there are 3.1 snowfall days, and 1.34" (34mm) of snow is accumulated.

What is the month with the lowest UV index?

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3.

What is the most humid month?

With an average relative humidity of 80%, February is the most humid month.

What is the snowiest month in Diana?

February is the month with the most snowfall in Diana. Snow falls for 1.4 days and accumulates 0.63" (16mm) of snow.

When is Daylight Saving Time (DST) in Diana?

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?

April is the month with the most rainfall. Rain falls for 12.3 days and accumulates 3.78" (96mm) of precipitation.

When it does not snow?

April through November are months without snowfall.

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 in Diana?

With an average of 14h and 18min of daylight, June has the longest days of the year.

What is the warmest month?

Diana's August weather, with an average high temperature of 94.8°F (34.9°C) and an average low temperature of 73°F (22.8°C), tends to be the warmest of the year.

What is the least humid month?

The least humid month in Diana is August, with an average relative humidity of 66%.

What month has the most sunshine?

August has the most sunshine of the year, with an average of 10.6h of sunshine.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.65" (42mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.1h of sunshine.

Average temperature
Diana, TX

Average temperature - Diana, TX

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (53.8°F).

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure
Diana, TX

Average pressure - Diana, TX

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
Diana, TX

Average wind speed - Diana, TX

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity
Diana, TX

Average humidity - Diana, TX

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (66%).

Average rainfall
Diana, TX

Average rainfall - Diana, TX

The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days
Diana, TX

Average rainfall days - Diana, TX

The month with the highest number of rainy days is August (15.1 days).
The month with the least rainy days is October (9.9 days).

Average snowfall
Diana, TX

Average snowfall - Diana, TX

The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days
Diana, TX

Average snowfall days - Diana, TX

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Diana, TX

Average daylight / Average sunshine - Diana, TX

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days
Diana, TX

Average sunshine days - Diana, TX

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (12.8 days).

Average UV index
Diana, TX

Average UV index - Diana, TX

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average visibility
Diana, TX

Average visibility - Diana, TX

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).

Diana, Texas, USA

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