Altus
Oklahoma, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Altus, OK

The last month of the spring, May, is also a moderately hot month in Altus, Oklahoma, with average temperature varying between 57.7°F (14.3°C) and 84.4°F (29.1°C).

Temperature

In Altus, the average high-temperature slightly increases, from 76.6°F (24.8°C) in April, to a still warm 84.4°F (29.1°C). In May, in Altus, the average low-temperature is 57.7°F (14.3°C).

Rainfall

The month with the most rainfall in Altus, Oklahoma, is May when the rain falls for 8 days and typically aggregates up to 4" (100.6mm) of precipitation.

Snowfall

In May, in Altus, it doesn't snow. April is the latest month when it typically snows. Throughout the year, in Altus, 5" (126.9mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h.

Sunshine

In Altus, the average sunshine is 10h.

UV index

May through August, with an average maximum UV index of 10, are months with the highest UV index. A UV Index value of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV rays for average individuals.
The daily maximum UV index of 10 interpret into the following advice:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim.

What is the temperature in May in Altus?

In May, in Altus, Oklahoma, the average high-temperature is 84.4°F (29.1°C), and the average low-temperature is 57.7°F (14.3°C).

How many days does it rain in May in Altus?

In Altus, Oklahoma, in May, during 8 rainfall days, 4" (100.6mm) of precipitation is typically accumulated.

What is the rainiest month in Altus?

May is the month with the most rainfall. Rain falls for 8 days and accumulates 4" (100.6mm) of precipitation.

Does it snow in Altus in May?

In May, it doesn't snow. April is the latest month when it typically snows.

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

The average length of the day in May in Altus is 14h.

How long on average sun shines in May in Altus?

The average sunshine in May is 10h.

What is the month with the highest UV index in Altus?

Months with the highest UV index are May through August, with an average maximum UV index of 10.

How high is the UV index in May in Altus?

In May, the average daily maximum UV index in Altus is 10. A UV Index estimate of 8 to 10 represents a very high hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Altus, OK
  • Average high temperature in May: 84.3°F

The warmest month (with the highest average high temperature) is July (97.5°F).
The month with the lowest average high temperature is January (53.1°F).

  • Average low temperature in May: 57.8°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

Average rainfall in May - Altus, OK
  • Average rainfall in May: 4"

The wettest month (with the highest rainfall) is May (4").
The driest month (with the lowest rainfall) is January (0.9").

Average rainfall days in May - Altus, OK
  • Average rainfall days in May: 8 days

The month with the highest number of rainy days is May (8 days).
Months with the lowest number of rainy days are January and November (4 days).

Average snowfall in May - Altus, OK
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.8").
Months with the lowest snowfall are May, June, July, August, September and October (0").

Average daylight in May / Average sunshine in May - Altus, OK
  • Average daylight in May: 14h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in May: 10h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in May - Altus, OK
  • Average UV index in May: 10

Months with the highest UV index are May, June, July and August (UV index 10).
The month with the lowest UV index is December (UV index 2).