May weather forecast
Jonestown, TX

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Weather in May

The last month of the spring, May, is also a moderately hot month in Jonestown, Texas, with an average temperature fluctuating between 83.3°F (28.5°C) and 65.8°F (18.8°C).

Temperature

With the onset of May, the average high-temperature subtly transitions from a warm 77.2°F (25.1°C) in April to a still moderately hot 83.3°F (28.5°C). Jonestown reports an average low-temperature of 65.8°F (18.8°C) during the nights of May.

Heat index

May's mean heat index is computed to be a hot 89.6°F (32°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.
Keep in mind the heat index values are meant for areas in shade and with light wind. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a composite of temperature and humidity figures to convey how warm it feels. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

May is the most humid month, with an average relative humidity of 74%.

Rainfall

The month with the most rainfall is May, when the rain falls for 15.4 days and typically aggregates up to 4.02" (102mm) of precipitation.

Snowfall

In Jonestown, snow does not fall in March through December.

Daylight

In Jonestown, the average length of the day in May is 13h and 43min.
On the first day of May, sunrise is at 6:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:29 pm CDT.

Sunshine

In May, the average sunshine is 7.9h.

UV index

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during May leads to these advisories:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. 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. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

How hot is it in Jonestown in May?

The high-temperature during May is 83.3°F (28.5°C) and the low-temperature is 65.8°F (18.8°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 89.6°F (32°C).

What is the most humid month in Jonestown?

May is the most humid month in Jonestown, Texas, with an average relative humidity of 74%.

What is the average humidity in May in Jonestown?

In Jonestown, the average relative humidity in May is 74%.

What is the wettest month in Jonestown?

May is the month with the most rainfall in Jonestown. Rain falls for 15.4 days and accumulates 4.02" (102mm) of precipitation.

How much does it rain in Jonestown in May?

In Jonestown, in May, during 15.4 rainfall days, 4.02" (102mm) of precipitation is typically accumulated.

When it does not snow in Jonestown?

March through December are months without snowfall.

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

The average day length in May in Jonestown is 13h and 43min.

What time are sunrise and sunset in May in Jonestown?

On the first day of May in Jonestown, Texas, sunrise is at 6:47 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:29 pm CDT.

How many hours of sunshine does Jonestown have in May?

The average sunshine duration in May in Jonestown, Texas, is 7.9h.

What is the UV index reading in May in Jonestown?

The average daily maximum UV index in May in Jonestown, Texas, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Jonestown, TX

Average temperature in May - Jonestown, TX
  • Average high temperature in May: 83.3°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 (58.8°F).

  • Average low temperature in May: 65.8°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 (41.9°F).

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Average pressure in May
Jonestown, TX

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.91"Hg).

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Average wind speed in May
Jonestown, TX

Average wind speed in May - Jonestown, TX
  • Average wind speed in May: 9mph

The windiest month (with the highest average wind speed) is March (9.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).

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Average humidity in May
Jonestown, TX

Average humidity in May - Jonestown, TX
  • Average humidity in May: 74%

The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in May
Jonestown, TX

Average rainfall in May - Jonestown, TX
  • Average rainfall in May: 4.02"

The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in May
Jonestown, TX

Average rainfall days in May - Jonestown, TX
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in May
Jonestown, TX

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

The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Jonestown, TX

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

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Jonestown, TX

Average daylight in May / Average sunshine in May - Jonestown, 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: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are November and December (Average sunshine: 5h and 24min).

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Average sunshine days in May
Jonestown, TX

Average sunshine days in May - Jonestown, TX
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is May (12.5 days).

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Average UV index in May
Jonestown, TX

Average UV index in May - Jonestown, 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
Jonestown, TX

Average cloud cover in May - Jonestown, TX
  • Average cloud cover in May: 45

The months with the most cloud cover are March and May (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in May
Jonestown, TX

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

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).

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Jonestown, Texas, USA

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