May weather forecast
Rolla, AR

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Weather in May

May, the last month of the spring in Rolla, is a warm month, with temperature in the range of an average low of 61.2°F (16.2°C) and an average high of 80.8°F (27.1°C).

Temperature

May's arrival brings a slight change in high-temperatures, adjusting from a pleasant 72°F (22.2°C) in April to a moderately hot 80.8°F (27.1°C). Rolla observes an average low-temperature of 61.2°F (16.2°C) during May.

Heat index

The heat index for May is appraised at a hot 86°F (30°C). Fatigue might occur with continuous exposure and activity, potentially causing heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely significant for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in May is 77%.

Rainfall

In Rolla, in May, it is raining for 16 days, with typically 3.66" (93mm) of accumulated precipitation. In Rolla, Arkansas, during the entire year, the rain falls for 166 days and collects up to 39.21" (996mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

The average length of the day in May is 13h and 58min.
On the first day of May, sunrise is at 6:20 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:17 pm CDT.

Sunshine

In May, the average sunshine is 9h.

UV index

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

What are May temperatures in Rolla?

Rolla in May has an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 61.2°F (16.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in May is appraised at 86°F (30°C).

What is the average humidity in May in Rolla?

In May, the average relative humidity is 77%.

How much does it rain in Rolla in May?

In Rolla, during May, the rain falls for 16 days and regularly aggregates up to 3.66" (93mm) of precipitation.

When it does not snow in Rolla?

April through October are months without snowfall in Rolla, Arkansas.

What is the average length of the day in May in Rolla?

In Rolla, the average day length in May is 13h and 58min.

When are sunrise and sunset in May in Rolla?

On the first day of May in Rolla, sunrise is at 6:20 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:17 pm CDT.

How long on average sun shines in May in Rolla?

In Rolla, the average sunshine duration in May is 9h.

What is the UV index intensity in May in Rolla?

In Rolla, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe 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 May
Rolla, AR

Average temperature in May - Rolla, AR
  • Average high temperature in May: 80.8°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in May: 61.2°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in May
Rolla, AR

Average pressure in May - Rolla, AR
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Rolla, AR

Average wind speed in May - Rolla, AR
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in May
Rolla, AR

Average humidity in May - Rolla, AR
  • Average humidity in May: 77%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are July, September and October (72%).

Average rainfall in May
Rolla, AR

Average rainfall in May - Rolla, AR
  • Average rainfall in May: 3.66"

The wettest month (with the highest rainfall) is April (4.53").
The driest month (with the least rainfall) is September (2.24").

Average rainfall days in May
Rolla, AR

Average rainfall days in May - Rolla, AR
  • Average rainfall days in May: 16 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in May
Rolla, AR

Average snowfall in May - Rolla, AR
  • Average snowfall in May: 0"

The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Rolla, AR

Average snowfall days in May - Rolla, AR
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Rolla, AR

Average daylight in May / Average sunshine in May - Rolla, AR
  • Average daylight in May: 14h and 0min

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 May: 9h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in May
Rolla, AR

Average sunshine days in May - Rolla, AR
  • Average sunshine days in May: 13.2 days

The month with the most sunshine days is January (18.6 days).
The month with the least sunshine days is August (10 days).

Average UV index in May
Rolla, AR

Average UV index in May - Rolla, AR
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in May
Rolla, AR

Average cloud cover in May - Rolla, AR
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in May
Rolla, AR

Average visibility in May - Rolla, AR
  • Average visibility in May: 5mi

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

Rolla, Arkansas, USA

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