May weather forecast
Diana, TX

Share

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).

Temperature

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). During May, Diana records a consistent average nighttime temperature of 62.8°F (17.1°C).

Heat index

May's heat index is computed to be a tropical 91.4°F (33°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in May is 75%.

Rainfall

In Diana, in May, it is raining for 13.8 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 150.9 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Diana, Texas.

Daylight

The average length of the day in May is 13h and 51min.
On the first day of the month, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:21 pm CDT.

Sunshine

In Diana, the average sunshine in May is 9.1h.

UV index

May through August, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a daily maximum UV index of 7 leads to the following instructions:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

During May, Diana experiences an average high-temperature of 83.5°F (28.6°C) and a low-temperature of 62.8°F (17.1°C). In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 91.4°F (33°C).

What is the average humidity in May?

In Diana, the average relative humidity in May is 75%.

How much does it rain in May?

In Diana, during May, the rain falls for 13.8 days and regularly aggregates up to 2.87" (73mm) of precipitation.

When it does not snow in Diana?

In Diana, snow does not fall in April through November.

How many hours of daylight does Diana have in May?

In May, the average day length is 13h and 51min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 6:31 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 8:21 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.1h.

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.

What is the UV index reading in May?

In May, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Diana, TX

Average temperature in May - Diana, TX
  • Average high temperature in May: 83.5°F

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).

  • Average low temperature in May: 62.8°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 in May
Diana, TX

Average pressure in May - Diana, TX
  • Average pressure in May: 29.94"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 in May
Diana, TX

Average wind speed in May - Diana, TX
  • Average wind speed in May: 6.4mph

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 in May
Diana, TX

Average humidity in May - Diana, TX
  • Average humidity in May: 75%

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

Average rainfall in May
Diana, TX

Average rainfall in May - Diana, TX
  • Average rainfall in May: 2.87"

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 in May
Diana, TX

Average rainfall days in May - Diana, TX
  • Average rainfall days in May: 13.8 days

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 in May
Diana, TX

Average snowfall in May - Diana, TX
  • Average snowfall in May: 0"

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 in May
Diana, TX

Average snowfall days in May - Diana, TX
  • Average snowfall days in May: 0 days

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 in May /
Average sunshine in May
Diana, TX

Average daylight in May / Average sunshine in May - Diana, TX
  • Average daylight in May: 13h and 5min

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).

  • Average sunshine in May: 9h and 1min

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 in May
Diana, TX

Average sunshine days in May - Diana, TX
  • Average sunshine days in May: 14.2 days

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 in May
Diana, TX

Average UV index in May - Diana, TX
  • Average UV index in May: 7

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 cloud cover in May
Diana, TX

Average cloud cover in May - Diana, TX
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in May
Diana, TX

Average visibility in May - Diana, TX
  • Average visibility in May: 6mi

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

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location