Austin
Texas, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Austin, TX

The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas, in a beautiful sunrise panorama
The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas, in a beautiful sunrise panorama
May is the wettest month in Austin with the precipitation of 4.4" (111.8mm). The hotter part of the spring has an average high temperature of 86°F (30°C). A few days go past 90°F (32.2°C) in the latter half of the month as the average humidity of 71% is at the highest of the year. Nights are comfortably warm and mostly in the 60°F (15.6°C) to 70°F (21.1°C) range.
May experiences frequent thunderstorms accompanied by lightning and rain. The weather is unpredictable due to the possibility of storms even though the days are long and often sunny - keep an eye on the weather, while planning outdoor excursions.

What is the temperature in May in Austin?

The average high-temperature, in May, in Austin, Texas, is 86.5°F (30.3°C), while the average low-temperature is 66.7°F (19.3°C). In May, the average heat index (a.k.a. 'apparent temperature', 'feels like'), that calculates temperature value influenced by the moisture in the air, is estimated at 97°F (36.1°C).

What is the most humid month in Austin?

May is the most humid month, with an average relative humidity of 71.4%.

What is the average humidity in May in Austin?

In Austin, Texas, the average relative humidity in May is 71.4%.

How many days does it rain in May in Austin?

In Austin, during May, the rain falls for 8.9 days and regularly aggregates up to 4.4" (112.8mm) of precipitation.

What is the rainiest month in Austin?

May is the month with the most rainfall in Austin, Texas. Rain falls for 8.9 days and accumulates 4.4" (112.8mm) of precipitation.

When it does not snow in Austin?

In Austin, Texas, snow does not fall in March through December.

How many hours of daylight does Austin have in May?

In Austin, the average length of the day in May is 13.7h.

How long on average sun shines in May in Austin?

In Austin, the average sunshine in May is 7.3h.

How high is the UV index in May in Austin?

In Austin, the average daily maximum UV index in May is 10. A UV Index of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Austin, TX
  • Average high temperature in May: 86.5°F

The warmest month (with the highest average high temperature) is August (97°F).
The month with the lowest average high temperature is January (61.5°F).

  • Average low temperature in May: 66.7°F

The month with the highest average low temperature is August (74.6°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average humidity in May - Austin, TX
  • Average humidity in May: 71.4%

The month with the highest relative humidity is May (71.4%).
The month with the lowest relative humidity is August (63.8%).

Average rainfall in May - Austin, TX
  • Average rainfall in May: 4.4"

The wettest month (with the highest rainfall) is May (4.4").
The driest month (with the lowest rainfall) is July (1.9").

Average rainfall days in May - Austin, TX
  • Average rainfall days in May: 8.9 days

The month with the highest number of rainy days is March (9.2 days).
The month with the lowest number of rainy days is August (4.9 days).

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

The month with the highest snowfall is January (0.4").
Months with the lowest snowfall are March, April, May, June, July, August, September, October, November and December (0").

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

The month with the highest number of snowfall days is January (0.3 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in May / Average sunshine in May - Austin, TX
  • Average daylight in May: 13.7h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in May: 7.3h

The month with most sunshine is July (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in May - Austin, TX
  • Average UV index in May: 10

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).