May weather - Spring 2024

Weather in May
Frequently asked questions
Average temperature in May
Average pressure in May
Average wind speed in May
Average humidity in May
Average rainfall in May
Average rainfall days in May
Average snowfall in May
Average snowfall days in May
Average daylight in May
Average sunshine in May
Average sunshine days in May
Average UV index in May
Average cloud cover in May
Average visibility in May

The beautiful Lady Bird Lake passing through the city skyscrapers of Austin city, Texas

Weather in May

In May, Austin starts to usher in the summer, followed by a significant spike in temperature. Rainfall is at its peak this month, reaching a high of 3.78" (96mm). The relatively high showers along with an increase in temperature provide a unique humidity to the air. While the city receives more daylight, the cloud cover increased to 45%, blocking direct sun rays throughout some of the day. However, as the summer settles, the overall climate becomes more dry than it's in June.

Temperature

Austin's transition into May sees a mild rise in the average high-temperature, edging from a warm 77.2°F (25.1°C) in April to a still moderately hot 83.8°F (28.8°C). Austin's temperature lowers to a mean of 66°F (18.9°C) during the nights in May.

Heat index

For May, the heat index is appraised at a tropical 91.4°F (33°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Given the heat index, its values are aligned with shaded sites and gentle winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

With an average relative humidity of 75%, May is the most humid month in Austin.

Rainfall

May is the month with the most rainfall. Rain falls for 16.2 days and accumulates 3.78" (96mm) of precipitation.

Snowfall

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

Daylight

In Austin, the average length of the day in May is 13h and 41min.
On the first day of May in Austin, sunrise is at 6:46 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:27 pm CDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

In Austin, the average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 6 during May translates into these guidelines:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

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Frequently asked questions

How hot does it get in Austin in May?

The average high-temperature, in May, in Austin, is 83.8°F (28.8°C), while the average low-temperature is 66°F (18.9°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 91.4°F (33°C).

What is the most humid month in Austin?

The most humid month is May, with an average relative humidity of 75%.

What is the average humidity in May in Austin?

In Austin, Texas, the average relative humidity in May is 75%.

What is the wettest month in Austin?

The month with the most rainfall in Austin is May, when the rain falls for 16.2 days and typically aggregates up to 3.78" (96mm) of precipitation.

How much does it rain in Austin in May?

In Austin, during May, the rain falls for 16.2 days and regularly aggregates up to 3.78" (96mm) of precipitation.

When it does not snow in Austin?

March through December are months without snowfall in Austin, Texas.

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

In May, the average day length in Austin is 13h and 41min.

When is the sunrise / sunset in May in Austin?

In May, on the first day of the month, sunrise is at 6:46 am and sunset at 8:09 pm. On the last day of the month, in Austin, Texas, sunrise is at 6:29 am and sunset at 8:27 pm CDT.

How many hours of sunshine does Austin have in May?

The average sunshine duration in May in Austin is 8.2h.

What is the UV index intensity in May in Austin?

In May, the average daily maximum UV index in Austin is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

77.2°F 25.1°C

83.8°F 28.8°C

91.2°F 32.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.7mph 15.6km/h

9.3mph 15km/h

8.3mph 13.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.6

11.1

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Austin, TX

Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (59.4°F).

Average low temperature in May: 66°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).

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Average pressure in May
Austin, TX

Average pressure in May: 29.92"Hg

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

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Average wind speed in May
Austin, TX

Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).

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Average humidity in May
Austin, TX

Average humidity in May: 75%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in May
Austin, TX

Average rainfall in May: 3.78"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").

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Average rainfall days in May
Austin, TX

Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in May
Austin, TX

Average snowfall in May: 0"

The month with the highest snowfall is January (0.4").
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
Austin, TX

Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).

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Average daylight in May /
Average sunshine in May
Austin, 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: 8h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in May
Austin, TX

Average sunshine days in May: 11.1 days

The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).

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Average UV index in May
Austin, 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
Austin, TX

Average cloud cover in May: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).

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Average visibility in May
Austin, 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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May weather forecast
Austin, TX

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