May weather forecast
Zephyr, TX

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Weather in May

The last month of the spring, May, is also a moderately hot month in Zephyr, Texas, with an average temperature ranging between min 63.3°F (17.4°C) and max 84.7°F (29.3°C).

Temperature

A soft shift in the average high-temperature is noticeable in May, transitioning from a warm 78.3°F (25.7°C) in April to a still moderately hot 84.7°F (29.3°C). Throughout May, an average low-temperature of 63.3°F (17.4°C) is experienced.

Heat index

For most parts of May, the heat index is calculated to be a tropical 91.4°F (33°C). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.
Research indicates the heat index considers values in shaded locales and with light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.

Humidity

With an average relative humidity of 66%, May is the most humid month.

Rainfall

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

Snowfall

In Zephyr, Texas, snow does not fall in April through November.

Daylight

In May, the average length of the day is 13h and 47min.
On the first day of the month, sunrise is at 6:48 am and sunset at 8:15 pm. On the last day of May, sunrise is at 6:30 am and sunset at 8:35 pm CDT.

Sunshine

The average sunshine in May is 9.4h.

UV index

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in May?

In Zephyr, 84.7°F (29.3°C) is the average high-temperature and 63.3°F (17.4°C) is the average low-temperature during May. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in May is calculated to be 91.4°F (33°C).

What is the most humid month?

With an average relative humidity of 66%, May is the most humid month.

What is the average humidity in May in Zephyr?

In Zephyr, the average relative humidity in May is 66%.

What is the wettest month?

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

How much does it rain in May?

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

When it does not snow?

April through November are months without snowfall in Zephyr.

How many hours of daylight does Zephyr have in May?

The average day length in May is 13h and 47min.

When are sunrise and sunset in May?

On the first day of May in Zephyr, sunrise is at 6:48 am and sunset at 8:15 pm. On the last day of the month, sunrise is at 6:30 am and sunset at 8:35 pm CDT.

How long on average sun shines in May?

In Zephyr, the average sunshine duration in May is 9.4h.

What is the UV index intensity in May in Zephyr?

The average daily maximum UV index in May is 6. A UV Index 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
Zephyr, TX

Average temperature in May - Zephyr, TX
  • Average high temperature in May: 84.7°F

The warmest month (with the highest average high temperature) is August (95.7°F).
The months with the lowest average high temperature are January and December (58.1°F).

  • Average low temperature in May: 63.3°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 (39°F).

Average pressure in May
Zephyr, TX

Average pressure in May - Zephyr, TX
  • Average pressure in May: 29.89"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in May
Zephyr, TX

Average wind speed in May - Zephyr, TX
  • Average wind speed in May: 11.1mph

The windiest month (with the highest average wind speed) is April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.3mph).

Average humidity in May
Zephyr, TX

Average humidity in May - Zephyr, TX
  • Average humidity in May: 66%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is August (51%).

Average rainfall in May
Zephyr, TX

Average rainfall in May - Zephyr, 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 January (0.94").

Average rainfall days in May
Zephyr, TX

Average rainfall days in May - Zephyr, TX
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in May
Zephyr, TX

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

The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Zephyr, TX

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

The month with the highest number of snowfall days is February (1.3 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
Zephyr, TX

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

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

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in May
Zephyr, TX

Average sunshine days in May - Zephyr, TX
  • Average sunshine days in May: 13.4 days

The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (13.4 days).

Average UV index in May
Zephyr, TX

Average UV index in May - Zephyr, TX
  • Average UV index in May: 6

The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in May
Zephyr, TX

Average cloud cover in May - Zephyr, TX
  • Average cloud cover in May: 34

The months with the most cloud cover are March and May (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in May
Zephyr, TX

Average visibility in May - Zephyr, 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).

Zephyr, Texas, USA

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