May weather forecast
Jonestown, TX

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Weather in May

May, the last month of the spring in Jonestown, is another warm month, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 65.8°F (18.8°C).

Temperature

May signifies a subtle uplift in the average high-temperature, adjusting from 77.2°F (25.1°C) in April to a still moderately hot 83.3°F (28.5°C). May nights are marked by an average low-temperature of 65.8°F (18.8°C).

Heat index

The heat index for May is calculated to be a hot 89.6°F (32°C). Exhaustion might be the outcome of enduring exposure and continuous activity, with a risk of heat cramps.
Regarding the heat index, one should be aware it's determined by shaded settings and mild 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 'feels like', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

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

Rainfall

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

Snowfall

March through December are months without snowfall.

Daylight

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

Sunshine

In May, the average sunshine in Jonestown is 7.9h.

UV index

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.
Note: In May, the UV index of 6 transforms into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in Jonestown in May?

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

What is the most humid month?

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

What is the average humidity in May in Jonestown?

In May, the average relative humidity is 74%.

What is the wettest month?

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

How much does it rain in May?

In May, the rain falls for 15.4 days. Throughout May, 4.02" (102mm) of precipitation is accumulated.

When it does not snow?

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 is 13h and 43min.

When are sunrise and sunset in May?

In May, on the first day of the month, 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 is 7.9h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Jonestown, Texas, USA

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