May weather forecast
Cliff Williams, MS

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Weather in May

May, the last month of the spring in Cliff Williams, is another warm month, with an average temperature varying between 83.8°F (28.8°C) and 62.2°F (16.8°C).

Temperature

With the transition into May, Cliff Williams experiences a subtle uplift in average high-temperatures, adjusting from a moderately hot 76.6°F (24.8°C) in April to a still warm 83.8°F (28.8°C). During May, Cliff Williams detects a significant contrast from its daytime temperatures, with nights averaging at an enjoyable 62.2°F (16.8°C).

Heat index

The heat index value for May is calculated to be a hot 91.4°F (33°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Direct sunshine exposure could raise heat index values by as much as 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is an estimation of the warmth sensation when considering humidity levels. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

In Cliff Williams, the average relative humidity in May is 74%.

Rainfall

In Cliff Williams, in May, during 12.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, in Cliff Williams, there are 158.9 rainfall days, and 31.57" (802mm) of precipitation is accumulated.

Snowfall

March through October are months without snowfall.

Daylight

In May, the average length of the day is 13h and 49min.
On the first day of May in Cliff Williams, sunrise is at 6:07 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 7:56 pm CDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.
Note: During May, 6 as the daily maximum UV index converts into the following advice:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

How hot does it get in Cliff Williams in May?

In Cliff Williams, in May, the average high-temperature is 83.8°F (28.8°C), and the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in May is calculated to be 91.4°F (33°C).

What is the average humidity in May in Cliff Williams?

In Cliff Williams, Mississippi, the average relative humidity in May is 74%.

How much does it rain in Cliff Williams in May?

In May, in Cliff Williams, Mississippi, the rain falls for 12.8 days. Throughout May, 2.17" (55mm) of precipitation is accumulated.

When it does not snow in Cliff Williams?

March through October are months without snowfall.

What is the average length of the day in May in Cliff Williams?

In May, the average day length in Cliff Williams, Mississippi, is 13h and 49min.

When is the sunrise / sunset in May in Cliff Williams?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 7:35 pm. On the last day of the month, in Cliff Williams, Mississippi, sunrise is at 5:48 am and sunset at 7:56 pm CDT.

How many hours of sunshine does Cliff Williams have in May?

In May, the average sunshine duration in Cliff Williams, Mississippi, is 9.9h.

What is the UV index reading in May in Cliff Williams?

The average daily maximum UV index in May in Cliff Williams is 6. A UV Index estimate of 6 to 7 represents a high health threat from 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
Cliff Williams, MS

Average temperature in May - Cliff Williams, MS
  • Average high temperature in May: 83.8°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.5°F).

  • Average low temperature in May: 62.2°F

The months with the highest average low temperature are July and August (71.6°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in May
Cliff Williams, MS

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in May
Cliff Williams, MS

Average wind speed in May - Cliff Williams, MS
  • Average wind speed in May: 5.9mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Cliff Williams, MS

Average humidity in May - Cliff Williams, MS
  • Average humidity in May: 74%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in May
Cliff Williams, MS

Average rainfall in May - Cliff Williams, MS
  • Average rainfall in May: 2.17"

The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.81").

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Average rainfall days in May
Cliff Williams, MS

Average rainfall days in May - Cliff Williams, MS
  • Average rainfall days in May: 12.8 days

The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in May
Cliff Williams, MS

Average snowfall in May - Cliff Williams, MS
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days in May
Cliff Williams, MS

Average snowfall days in May - Cliff Williams, MS
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Cliff Williams, MS

Average daylight in May / Average sunshine in May - Cliff Williams, MS
  • 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: 9h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Cliff Williams, MS

Average sunshine days in May - Cliff Williams, MS
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is July (8.2 days).

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Average UV index in May
Cliff Williams, MS

Average UV index in May - Cliff Williams, MS
  • 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
Cliff Williams, MS

Average cloud cover in May - Cliff Williams, MS
  • Average cloud cover in May: 35

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in May
Cliff Williams, MS

Average visibility in May - Cliff Williams, MS
  • Average visibility in May: 5mi

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

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Cliff Williams, Mississippi, USA

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