May weather forecast
Willow Grove, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Willow Grove, Louisiana, with an average temperature fluctuating between 67.3°F (19.6°C) and 84°F (28.9°C).

Temperature

As April gives way to May, the average high-temperature displays a slight ascent, adjusting from a warm 77.9°F (25.5°C) to a still moderately hot 84°F (28.9°C). The temperature lowers to an average of 67.3°F (19.6°C) during May nights.

Heat index

The heat index for May is appraised at a hot 93.2°F (34°C). Preventive measures are required to mitigate the risk of heat cramps and heat exhaustion. Continuous activity may precipitate heatstroke.
Records show heat index calculations are tailored for shaded regions and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Willow Grove, in May, during 14 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Willow Grove, during the entire year, the rain falls for 172.6 days and collects up to 30.2" (767mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In Willow Grove, the average length of the day in May is 13h and 41min.
On the first day of May in Willow Grove, sunrise is at 6:18 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:59 pm CDT.

Sunshine

The average sunshine in May is 10.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

How hot does it get in Willow Grove in May?

In May, in Willow Grove, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 67.3°F (19.6°C). In May, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is appraised at 93.2°F (34°C).

What is the average humidity in May in Willow Grove?

In May, the average relative humidity in Willow Grove, Louisiana, is 77%.

How many days does it rain in May in Willow Grove?

In Willow Grove, during May, the rain falls for 14 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When it does not snow in Willow Grove?

In Willow Grove, Louisiana, snow does not fall in February through December.

What is the average length of the day in May in Willow Grove?

The average day length in May in Willow Grove, Louisiana, is 13h and 41min.

When are sunrise and sunset in May in Willow Grove?

On the first day of May in Willow Grove, sunrise is at 6:18 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 7:59 pm CDT.

How long on average sun shines in May in Willow Grove?

In May, the average sunshine duration in Willow Grove is 10.2h.

What is the UV index intensity in May in Willow Grove?

In May, the average daily maximum UV index in Willow Grove, Louisiana, is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
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 May
Willow Grove, LA

Average temperature in May - Willow Grove, LA
  • Average high temperature in May: 84°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (60.3°F).

  • Average low temperature in May: 67.3°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 (45.1°F).

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Average pressure in May
Willow Grove, LA

Average pressure in May - Willow Grove, LA
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

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Average wind speed in May
Willow Grove, LA

Average wind speed in May - Willow Grove, LA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in May
Willow Grove, LA

Average humidity in May - Willow Grove, LA
  • Average humidity in May: 77%

The months with the highest relative humidity are February, July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in May
Willow Grove, LA

Average rainfall in May - Willow Grove, LA
  • Average rainfall in May: 2.8"

The wettest month (with the highest rainfall) is July (4.88").
The driest month (with the least rainfall) is November (1.26").

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Average rainfall days in May
Willow Grove, LA

Average rainfall days in May - Willow Grove, LA
  • Average rainfall days in May: 14 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8 days).

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Average snowfall in May
Willow Grove, LA

Average snowfall in May - Willow Grove, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Willow Grove, LA

Average snowfall days in May - Willow Grove, LA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Willow Grove, LA

Average daylight in May / Average sunshine in May - Willow Grove, LA
  • 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: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in May
Willow Grove, LA

Average sunshine days in May - Willow Grove, LA
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (6.4 days).

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Average UV index in May
Willow Grove, LA

Average UV index in May - Willow Grove, LA
  • 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
Willow Grove, LA

Average cloud cover in May - Willow Grove, LA
  • Average cloud cover in May: 30

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in May
Willow Grove, LA

Average visibility in May - Willow Grove, LA
  • 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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Willow Grove, Louisiana, USA

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