May weather forecast
Round Top, TX

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Weather in May

The last month of the spring, May, is another warm month in Round Top, Texas, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 66.4°F (19.1°C).

Temperature

Round Top, Texas, observes a slight ascent in average high-temperatures during May, adjusting from 77.5°F (25.3°C) in April to a still moderately hot 84°F (28.9°C). An average nighttime temperature of 66.4°F (19.1°C) is observed during May.

Heat index

In May, the heat index is computed to be a tropical 93.2°F (34°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are of high significance 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 most humid month is May, with an average relative humidity of 79%.

Rainfall

May is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.6" (66mm) of precipitation.

Snowfall

In Round Top, snow does not fall in February through November.

Daylight

In May, the average length of the day in Round Top is 13h and 41min.
On the first day of the month, sunrise is at 6:42 am and sunset at 8:04 pm. On the last day of May, sunrise is at 6:25 am and sunset at 8:23 pm CDT.

Sunshine

In Round Top, Texas, the average sunshine in May is 8.3h.

UV index

The average daily maximum UV index in May in Round Top is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In May, a regular UV index of 6 translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost importance. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

Is it hot in Round Top during May?

In Round Top, 84°F (28.9°C) is the average high-temperature and 66.4°F (19.1°C) is the average low-temperature during May. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in May is computed to be 93.2°F (34°C).

What is the most humid month in Round Top?

The most humid month in Round Top, Texas, is May, with an average relative humidity of 79%.

What is the average humidity in May in Round Top?

In Round Top, the average relative humidity in May is 79%.

What is the rainiest month in Round Top?

May is the month with the most rainfall. Rain falls for 14.3 days and accumulates 2.6" (66mm) of precipitation.

How many days does it rain in May in Round Top?

In Round Top, in May, it is raining for 14.3 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Round Top?

In Round Top, snow does not fall in February through November.

How many hours of daylight does Round Top have in May?

The average day length in May is 13h and 41min.

When is the sunrise / sunset in May in Round Top?

On the first day of May, sunrise is at 6:42 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:25 am and sunset at 8:23 pm CDT.

How many hours of sunshine does Round Top have in May?

In Round Top, Texas, the average sunshine duration in May is 8.3h.

What is the UV index intensity in May in Round Top?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Round Top, TX

Average temperature in May - Round Top, TX
  • Average high temperature in May: 84°F

The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in May: 66.4°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.7°F).

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Average pressure in May
Round Top, TX

Average pressure in May - Round Top, TX
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in May
Round Top, TX

Average wind speed in May - Round Top, TX
  • Average wind speed in May: 8.2mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is September (6mph).

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Average humidity in May
Round Top, TX

Average humidity in May - Round Top, TX
  • Average humidity in May: 79%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (66%).

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Average rainfall in May
Round Top, TX

Average rainfall in May - Round Top, TX
  • Average rainfall in May: 2.6"

The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in May
Round Top, TX

Average rainfall days in May - Round Top, TX
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is September (15.6 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in May
Round Top, TX

Average snowfall in May - Round Top, TX
  • Average snowfall in May: 0"

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Round Top, TX

Average snowfall days in May - Round Top, TX
  • Average snowfall days in May: 0 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).

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Average daylight in May /
Average sunshine in May
Round Top, TX

Average daylight in May / Average sunshine in May - Round Top, TX
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in May
Round Top, TX

Average sunshine days in May - Round Top, TX
  • Average sunshine days in May: 13 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is June (11 days).

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Average UV index in May
Round Top, TX

Average UV index in May - Round Top, TX
  • Average UV index in May: 6

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

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Average cloud cover in May
Round Top, TX

Average cloud cover in May - Round Top, TX
  • Average cloud cover in May: 45

The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Round Top, TX

Average visibility in May - Round Top, TX
  • Average visibility in May: 5mi

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

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Round Top, Texas, USA

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