April weather forecast
Sulphur, OK

Weather in April

April in Sulphur, Oklahoma, is a pleasant spring month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 71.1°F (21.7°C).

Temperature

In April, the average high-temperature slightly increases from a comfortable 63.3°F (17.4°C) in March to a pleasant 71.1°F (21.7°C). The average low-temperature, in April, is 52.5°F (11.4°C).

Humidity

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

Rainfall

In Sulphur, during April, the rain falls for 12.3 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, in Sulphur, there are 129 rainfall days, and 27.91" (709mm) of precipitation is accumulated.

Snowfall

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

Daylight

In April, the average length of the day is 13h and 5min.
On the first day of the month, sunrise is at 7:14 am and sunset at 7:48 pm. On the last day of April, in Sulphur, sunrise is at 6:38 am and sunset at 8:11 pm CDT.

Sunshine

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

UV index

The average daily maximum UV index in April in Sulphur is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In April, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Sulphur?

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

How many days does it rain in April in Sulphur?

In Sulphur, in April, it is raining for 12.3 days, with typically 2.83" (72mm) of accumulated 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 in Sulphur, Oklahoma, is 13h and 5min.

When is the sunrise / sunset in April in Sulphur?

On the first day of April in Sulphur, Oklahoma, sunrise is at 7:14 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 6:38 am and sunset at 8:11 pm CDT.

How long on average sun shines in April in Sulphur?

In April, the average sunshine duration is 8.1h.

What is the UV index intensity in April in Sulphur?

In Sulphur, the average daily maximum UV index in April 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 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 5min

The month with the longest days is June (Average daylight: 14h and 26min).
The month with the shortest days is December (Average daylight: 9h and 53min).

  • Average sunshine in April: 8h and 6min

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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