May weather forecast
Dillon, MS

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Weather in May

May, the last month of the spring in Dillon, is another warm month, with an average temperature fluctuating between 64°F (17.8°C) and 84.2°F (29°C).

Temperature

The onset of May introduces a subtle rise in the average high-temperature, nudging from 77.7°F (25.4°C) in April to a still moderately hot 84.2°F (29°C). Dillon records a mean low-temperature of 64°F (17.8°C) in May.

Heat index

For most parts of May, the heat index is computed to be a tropical 93.2°F (34°C). Ensure extra safety steps, heat exhaustion and heat cramps are likely. Long activity might lead to heatstroke.
Research indicates the heat index considers values in shaded locales and with light winds. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

The average relative humidity in May is 76%.

Rainfall

In Dillon, in May, during 14.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Dillon, during the entire year, the rain falls for 174 days and collects up to 34.29" (871mm) of precipitation.

Snowfall

In Dillon, snow does not fall in April through November.

Daylight

In May, the average length of the day is 13h and 44min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:40 pm. On the last day of May, sunrise is at 5:57 am and sunset at 7:59 pm CDT.

Sunshine

The average sunshine in May is 9.7h.

UV index

In May, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 6 during May leads to these advisories:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. 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.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot during May?

In Dillon, 84.2°F (29°C) is the average high-temperature and 64°F (17.8°C) is the average low-temperature during May. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in May is computed to be 93.2°F (34°C).

What is the average humidity in May?

In May, the average relative humidity is 76%.

How much does it rain in Dillon in May?

In May, the rain falls for 14.3 days. Throughout May, 2.68" (68mm) of precipitation is accumulated.

When it does not snow?

In Dillon, snow does not fall in April through November.

How many hours of daylight does Dillon have in May?

In May, the average day length is 13h and 44min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:15 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 7:59 pm CDT.

How long on average sun shines in May?

The average sunshine duration in May is 9.7h.

What is the UV index reading in May?

The average daily maximum UV index in May is 6. 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dillon, MS

Average temperature in May - Dillon, MS
  • Average high temperature in May: 84.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in May: 64°F

The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in May
Dillon, MS

Average pressure in May - Dillon, MS
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

Average wind speed in May
Dillon, MS

Average wind speed in May - Dillon, MS
  • Average wind speed in May: 5.7mph

The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).

Average humidity in May
Dillon, MS

Average humidity in May - Dillon, MS
  • Average humidity in May: 76%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Dillon, MS

Average rainfall in May - Dillon, MS
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in May
Dillon, MS

Average rainfall days in May - Dillon, MS
  • Average rainfall days in May: 14.3 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).

Average snowfall in May
Dillon, MS

Average snowfall in May - Dillon, MS
  • Average snowfall in May: 0"

The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in May
Dillon, MS

Average snowfall days in May - Dillon, MS
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Dillon, MS

Average daylight in May / Average sunshine in May - Dillon, MS
  • 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: 9h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

Average sunshine days in May
Dillon, MS

Average sunshine days in May - Dillon, MS
  • Average sunshine days in May: 15.2 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).

Average UV index in May
Dillon, MS

Average UV index in May - Dillon, MS
  • Average UV index in May: 6

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

Average cloud cover in May
Dillon, MS

Average cloud cover in May - Dillon, MS
  • Average cloud cover in May: 38

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).

Average visibility in May
Dillon, MS

Average visibility in May - Dillon, MS
  • Average visibility in May: 5mi

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

Dillon, Mississippi, USA

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