May weather forecast
Cliff Williams, MS

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Weather in May

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

Temperature

In May, the average high-temperature marginally rises from 76.6°F (24.8°C) in April to a still warm 83.8°F (28.8°C). The nighttime average for Cliff Williams in May plummets considerably from its daytime counterpart, resting at a comfortable 62.2°F (16.8°C).

Heat index

May's heat index is computed to be a hot 91.4°F (33°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.

Humidity

The average relative humidity in May is 74%.

Rainfall

In Cliff Williams, during May, the rain falls for 12.8 days and regularly aggregates up to 2.17" (55mm) of precipitation. In Cliff Williams, during the entire year, the rain falls for 158.9 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

In Cliff Williams, snow does not fall in March through October.

Daylight

In May, the average length of the day is 13h and 49min.
On the first day of May, 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 Cliff Williams, the average sunshine in May is 9.9h.

UV index

The average daily maximum UV index in May in Cliff Williams is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, a daily UV index of 6 turns into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

How hot is it 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 combines air temperature and relative humidity, in May is computed to be 91.4°F (33°C).

What is the average humidity in May?

The average relative humidity in May is 74%.

How many days does it rain in May?

In Cliff Williams, in May, during 12.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated.

When it does not snow?

March through October are months without snowfall in Cliff Williams.

What is the average length of the day in May?

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

When is the sunrise / sunset in May?

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

How high is the UV index in May?

The average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Cliff Williams, Mississippi, USA

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