May weather forecast
Harrisonburg, LA

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Weather in May

The last month of the spring, May, is also a moderately hot month in Harrisonburg, Louisiana, with an average temperature fluctuating between 83.7°F (28.7°C) and 64.9°F (18.3°C).

Temperature

May's onset is marked by a subtle temperature increase, moving from 75.7°F (24.3°C) in April to a still warm 83.7°F (28.7°C). Throughout May, Harrisonburg experiences a low-temperature average of 64.9°F (18.3°C).

Heat index

May's mean heat index is evaluated at a hot 91.4°F (33°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent 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, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Harrisonburg, during May, the rain falls for 14.4 days and regularly aggregates up to 2.99" (76mm) of precipitation. Throughout the year, there are 166.6 rainfall days, and 35.79" (909mm) of precipitation is accumulated.

Snowfall

In Harrisonburg, snow does not fall in March through November.

Daylight

The average length of the day in May is 13h and 47min.
On the first day of May in Harrisonburg, sunrise is at 6:20 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:07 pm CDT.

Sunshine

In Harrisonburg, the average sunshine in May is 10h.

UV index

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: An average UV index of 6 in May transforms into this advice:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

How hot does it get in Harrisonburg in May?

The average high-temperature, in May, in Harrisonburg, is 83.7°F (28.7°C), while the average low-temperature is 64.9°F (18.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in May is evaluated at 91.4°F (33°C).

What is the average humidity in May in Harrisonburg?

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

How much does it rain in Harrisonburg in May?

In May, in Harrisonburg, the rain falls for 14.4 days. Throughout May, 2.99" (76mm) of precipitation is accumulated.

When it does not snow in Harrisonburg?

March through November are months without snowfall in Harrisonburg.

How many hours of daylight does Harrisonburg have in May?

In Harrisonburg, the average day length in May is 13h and 47min.

When are sunrise and sunset in May in Harrisonburg?

On the first day of May in Harrisonburg, sunrise is at 6:20 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:07 pm CDT.

How many hours of sunshine does Harrisonburg have in May?

The average sunshine duration in May in Harrisonburg is 10h.

What is the UV index intensity in May in Harrisonburg?

In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Harrisonburg, LA

Average temperature in May - Harrisonburg, LA
  • Average high temperature in May: 83.7°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55.6°F).

  • Average low temperature in May: 64.9°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

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Average pressure in May
Harrisonburg, LA

Average pressure in May - Harrisonburg, LA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in May
Harrisonburg, LA

Average wind speed in May - Harrisonburg, LA
  • Average wind speed in May: 6.2mph

The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest month (with the lowest average wind speed) is July (5mph).

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Average humidity in May
Harrisonburg, LA

Average humidity in May - Harrisonburg, LA
  • Average humidity in May: 77%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Harrisonburg, LA

Average rainfall in May - Harrisonburg, LA
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is November (2.13").

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Average rainfall days in May
Harrisonburg, LA

Average rainfall days in May - Harrisonburg, LA
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is October (9.5 days).

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Average snowfall in May
Harrisonburg, LA

Average snowfall in May - Harrisonburg, LA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.43").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Harrisonburg, LA

Average snowfall days in May - Harrisonburg, LA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Harrisonburg, LA

Average daylight in May / Average sunshine in May - Harrisonburg, LA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in May
Harrisonburg, LA

Average sunshine days in May - Harrisonburg, LA
  • Average sunshine days in May: 14 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (10.6 days).

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Average UV index in May
Harrisonburg, LA

Average UV index in May - Harrisonburg, LA
  • Average UV index in May: 6

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in May
Harrisonburg, LA

Average cloud cover in May - Harrisonburg, LA
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in May
Harrisonburg, LA

Average visibility in May - Harrisonburg, LA
  • Average visibility in May: 6mi

The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).

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Harrisonburg, Louisiana, USA

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