May weather forecast
Yorktown, TX

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Weather in May

The last month of the spring, May, is another warm month in Yorktown, Texas, with an average temperature fluctuating between 68°F (20°C) and 85.5°F (29.7°C).

Temperature

May's arrival brings a slight change in high-temperatures, adjusting from 78.8°F (26°C) in April to a still warm 85.5°F (29.7°C). An average low-temperature of 68°F (20°C) is recorded in the month of May.

Heat index

Throughout May, the heat index is evaluated at a fiery hot 96.8°F (36°C). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Know that the heat index computations account for shaded terrains and slight winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. With an abundance of moisture present in the air, the process of evaporation becomes less effective, and the body fails to cool down as it should, leading to the sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Yorktown, Texas, the average relative humidity in May is 77%.

Rainfall

In Yorktown, during May, the rain falls for 12.3 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Yorktown, during the entire year, the rain falls for 125 days and collects up to 13.9" (353mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

The average length of the day in May in Yorktown is 13h and 37min.
On the first day of May, sunrise is at 6:47 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:24 pm CDT.

Sunshine

In Yorktown, the average sunshine in May is 8.1h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 7 in May transforms into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

How hot does it get in Yorktown in May?

The high-temperature in Yorktown, Texas, during May is 85.5°F (29.7°C) and the low-temperature is 68°F (20°C). In May, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 96.8°F (36°C).

What is the average humidity in May in Yorktown?

The average relative humidity in May in Yorktown is 77%.

How many days does it rain in May in Yorktown?

In Yorktown, Texas, during May, the rain falls for 12.3 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When it does not snow in Yorktown?

January, March through December are months without snowfall in Yorktown.

What is the average length of the day in May in Yorktown?

In Yorktown, the average day length in May is 13h and 37min.

What time are sunrise and sunset in May in Yorktown?

On the first day of May in Yorktown, Texas, sunrise is at 6:47 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 8:24 pm CDT.

How many hours of sunshine does Yorktown have in May?

The average sunshine duration in May in Yorktown, Texas, is 8.1h.

When is the highest UV index in Yorktown?

May through August, with an average maximum UV index of 7, are months with the highest UV index in Yorktown.

How high is the UV index in May in Yorktown?

In Yorktown, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health risk 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
Yorktown, TX

Average temperature in May - Yorktown, TX
  • Average high temperature in May: 85.5°F

The warmest month (with the highest average high temperature) is August (96.3°F).
The month with the lowest average high temperature is January (62.2°F).

  • Average low temperature in May: 68°F

The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (45.3°F).

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Average pressure in May
Yorktown, TX

Average pressure in May - Yorktown, TX
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in May
Yorktown, TX

Average wind speed in May - Yorktown, TX
  • Average wind speed in May: 9.3mph

The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

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Average humidity in May
Yorktown, TX

Average humidity in May - Yorktown, TX
  • Average humidity in May: 77%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is August (67%).

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Average rainfall in May
Yorktown, TX

Average rainfall in May - Yorktown, TX
  • Average rainfall in May: 1.89"

The wettest month (with the highest rainfall) is September (2.05").
The driest month (with the least rainfall) is February (0.39").

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Average rainfall days in May
Yorktown, TX

Average rainfall days in May - Yorktown, TX
  • Average rainfall days in May: 12.3 days

The month with the highest number of rainy days is September (16 days).
The month with the least rainy days is February (7.5 days).

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Average snowfall in May
Yorktown, TX

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

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

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Average snowfall days in May
Yorktown, TX

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

The months with the highest number of snowfall days are January and February (0.2 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
Yorktown, TX

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

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 May: 8h and 1min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

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Average sunshine days in May
Yorktown, TX

Average sunshine days in May - Yorktown, TX
  • Average sunshine days in May: 16 days

The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is September (13 days).

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Average UV index in May
Yorktown, TX

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

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).

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Average cloud cover in May
Yorktown, TX

Average cloud cover in May - Yorktown, TX
  • Average cloud cover in May: 48

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in May
Yorktown, TX

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

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

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Yorktown, Texas, USA

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