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

April weather forecast and climate
Sulphur, OK

April is a moderately hot spring month in Sulphur, Oklahoma, with temperature in the range of an average high of 73.4°F (23°C) and an average low of 50°F (10°C).

Temperature

In Sulphur, the average high-temperature in April rises, from a comfortable 64.4°F (18°C) in March, to a warm 73.4°F (23°C). The average low-temperature, in Sulphur, is 50°F (10°C).

Rainfall

In Sulphur, in April, during 8 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Sulphur, during the entire year, the rain falls for 85 days and collects up to 39" (990mm) of precipitation.

Daylight

The average length of the day in April is 13.1h.

Sunshine

In April, the average sunshine is 9h.

UV index

The average daily maximum UV index in Sulphur is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 8 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in April in Sulphur?

The average high-temperature, in April, in Sulphur, Oklahoma, is 73.4°F (23°C), while the average low-temperature is 50°F (10°C).

How much does it rain in Sulphur in April?

In Sulphur, Oklahoma, during April, the rain falls for 8 days and regularly aggregates up to 3.7" (94mm) of precipitation.

How many hours of daylight does Sulphur have in April?

In Sulphur, Oklahoma, the average length of the day in April is 13.1h.

How long on average sun shines in April in Sulphur?

The average sunshine in April in Sulphur is 9h.

What is the UV index reading in April in Sulphur?

The average daily maximum UV index in April in Sulphur is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in April - Sulphur, OK
  • Average high temperature in April: 73°F

Warmest months (with the highest average high temperature) are July and August (93°F).
The month with the lowest average high temperature is January (50°F).

  • Average low temperature in April: 50°F

Months with the highest average low temperature are July and August (70°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average rainfall in April - Sulphur, OK
  • Average rainfall in April: 3.7"

The wettest month (with the highest rainfall) is May (5.8").
The driest month (with the lowest rainfall) is January (1.6").

Average rainfall days in April - Sulphur, OK
  • Average rainfall days in April: 8 days

The month with the highest number of rainy days is May (10 days).
Months with the lowest number of rainy days are January, February, July, August, November and December (6 days).

Average daylight in April / Average sunshine in April - Sulphur, OK
  • Average daylight in April: 13.1h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in April: 9h

The month with most sunshine is July (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 6).

Average UV index in April - Sulphur, OK
  • Average UV index in April: 8

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