May weather forecast
Rost, LA

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Weather in May

May, the last month of the spring in Rost, is also a moderately hot month, with an average temperature ranging between max 83.5°F (28.6°C) and min 69.3°F (20.7°C).

Temperature

With the transition into May, Rost experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 77.2°F (25.1°C) in April to a still warm 83.5°F (28.6°C). Rost observes an average low-temperature of 69.3°F (20.7°C) during May.

Heat index

Throughout May, the heat index is appraised at a hot 91.4°F (33°C). Exercise enhanced safety steps, heat cramps and heat exhaustion are probable. Heatstroke could be a result of sustained activity.
Heat index details are generally centered around shaded locations and a mild breeze. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', evaluates the perceived heat by adding the effect of moisture in the air. One's perception of weather can be shaped by other factors, involving metabolic differences, pregnancy, and physical exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

In May, the average relative humidity is 75%.

Rainfall

In May, the rain falls for 14.5 days. Throughout May, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 180.8 rainfall days, and 33.39" (848mm) of precipitation is accumulated.

Snowfall

In Rost, Louisiana, snow does not fall in February through November.

Daylight

In May, the average length of the day is 13h and 40min.
On the first day of May, sunrise is at 6:17 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:57 pm CDT.

Sunshine

In May, the average sunshine is 10.5h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 7 in May translates into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. 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. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

Is it hot in Rost during May?

May temperatures vary between a high-temperature of 83.5°F (28.6°C) and a low-temperature of 69.3°F (20.7°C). In May, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 91.4°F (33°C).

What is the average humidity in May?

In Rost, the average relative humidity in May is 75%.

How many days does it rain in May?

In Rost, in May, it is raining for 14.5 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow?

February through November are months without snowfall.

How many hours of daylight does Rost have in May?

In Rost, the average day length in May is 13h and 40min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:17 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 7:57 pm CDT.

How long on average sun shines in May?

In Rost, the average sunshine duration in May is 10.5h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index intensity in May?

In Rost, the average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Rost, LA

Average temperature in May - Rost, LA
  • Average high temperature in May: 83.5°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in May: 69.3°F

The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).

Average pressure in May
Rost, LA

Average pressure in May - Rost, 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).

Average wind speed in May
Rost, LA

Average wind speed in May - Rost, LA
  • Average wind speed in May: 7.2mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Rost, LA

Average humidity in May - Rost, LA
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May
Rost, LA

Average rainfall in May - Rost, LA
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in May
Rost, LA

Average rainfall days in May - Rost, LA
  • Average rainfall days in May: 14.5 days

The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).

Average snowfall days in May
Rost, LA

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

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in May / Average sunshine in May - Rost, LA
  • Average daylight in May: 13h and 4min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in May
Rost, LA

Average sunshine days in May - Rost, LA
  • Average sunshine days in May: 14.4 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).

Average UV index in May
Rost, LA

Average UV index in May - Rost, LA
  • Average UV index in May: 7

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

Average cloud cover in May
Rost, LA

Average cloud cover in May - Rost, LA
  • Average cloud cover in May: 27

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in May
Rost, LA

Average visibility in May - Rost, 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).

Rost, Louisiana, USA

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