April weather forecast
Sulphur, OK

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Weather in April

April in Sulphur exhibits the supremacy of spring in full measure. A significant increase in rainfall ensures a thriving flora, rendering the landscape lush and green. Unfolding warmth during the day and a tad chilly evenings chaperone outdoor enthusiasts into nature's lap. The month carries an invigorating mystique, providing a perfect ambiance for picnics at the Veterans lake.

Temperature

April signifies a subtle uplift in the average high-temperature, adjusting from an enjoyable 63.3°F (17.4°C) in March to a pleasant 71.1°F (21.7°C). During April, the temperature in Sulphur is averaged to a low of 52.5°F (11.4°C) at night.

Humidity

The average relative humidity in April in Sulphur is 72%.

Rainfall

In Sulphur, Oklahoma, in April, it is raining for 12.3 days, with typically 2.83" (72mm) of accumulated precipitation. In Sulphur, during the entire year, the rain falls for 129 days and collects up to 27.91" (709mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. April is the last month it regularly snows in Sulphur, Oklahoma. During 0.1 snowfall days, in April, Sulphur aggregates 0.04" (1mm) of snow. Throughout the year, there are 5.3 snowfall days, and 2.6" (66mm) of snow is accumulated.

Daylight

In April, the average length of the day in Sulphur, Oklahoma, is 13h and 5min.
On the first day of the month, sunrise is at 7:13 am and sunset at 7:49 pm. On the last day of April, in Sulphur, Oklahoma, sunrise is at 6:37 am and sunset at 8:12 pm CDT.

Sunshine

In April, the average sunshine in Sulphur is 8.1h.

UV index

In Sulphur, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 5 in April translates into these instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What is the average April temperature in Sulphur?

The average high-temperature, in April, in Sulphur, is 71.1°F (21.7°C), while the average low-temperature is 52.5°F (11.4°C).

What is the average humidity in April in Sulphur?

In Sulphur, Oklahoma, the average relative humidity in April is 72%.

How many days does it rain in April in Sulphur?

In Sulphur, during April, the rain falls for 12.3 days and regularly aggregates up to 2.83" (72mm) of precipitation.

What is the last month it snows in Sulphur?

April is the last month it regularly snows in Sulphur, Oklahoma. During 0.1 snowfall days, in April, Sulphur aggregates 0.04" (1mm) of snow.

How many hours of daylight does Sulphur have in April?

The average day length in April is 13h and 5min.

What time are sunrise and sunset in April in Sulphur?

In April, on the first day of the month, sunrise is at 7:13 am and sunset at 7:49 pm. On the last day of the month, in Sulphur, Oklahoma, sunrise is at 6:37 am and sunset at 8:12 pm CDT.

How many hours of sunshine does Sulphur have in April?

In Sulphur, Oklahoma, the average sunshine duration in April is 8.1h.

How high is the UV index in April in Sulphur?

The average daily maximum UV index in April in Sulphur is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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 April
Sulphur, OK

Average temperature in April - Sulphur, OK
  • Average high temperature in April: 71.1°F

The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in April: 52.5°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).

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Average pressure in April
Sulphur, OK

Average pressure in April - Sulphur, OK
  • Average pressure in April: 29.91"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in April
Sulphur, OK

Average wind speed in April - Sulphur, OK
  • Average wind speed in April: 11.1mph

The windiest months (with the highest average wind speed) are March and April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

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Average humidity in April
Sulphur, OK

Average humidity in April - Sulphur, OK
  • Average humidity in April: 72%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (61%).

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Average rainfall in April
Sulphur, OK

Average rainfall in April - Sulphur, OK
  • Average rainfall in April: 2.83"

The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.34").

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Average rainfall days in April
Sulphur, OK

Average rainfall days in April - Sulphur, OK
  • Average rainfall days in April: 12.3 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in April
Sulphur, OK

Average snowfall in April - Sulphur, OK
  • Average snowfall in April: 0.04"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Sulphur, OK

Average snowfall days in April - Sulphur, OK
  • Average snowfall days in April: 0.1 days

The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in April /
Average sunshine in April
Sulphur, OK

Average daylight in April / Average sunshine in April - Sulphur, OK
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in April
Sulphur, OK

Average sunshine days in April - Sulphur, OK
  • Average sunshine days in April: 16.2 days

The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (14.3 days).

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Average UV index in April
Sulphur, OK

Average UV index in April - Sulphur, OK
  • Average UV index in April: 5

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 2).

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Average cloud cover in April
Sulphur, OK

Average cloud cover in April - Sulphur, OK
  • Average cloud cover in April: 39

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in April
Sulphur, OK

Average visibility in April - Sulphur, OK
  • Average visibility in April: 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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Sulphur, Oklahoma, USA

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