May weather forecast
Chatham, MS

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Weather in May

The last month of the spring, May, is another warm month in Chatham, Mississippi, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 65.1°F (18.4°C).

Temperature

As Chatham, Mississippi, transitions into May, a marginal rise in the average high-temperature is observed, moving from 73.8°F (23.2°C) in April to a still moderately hot 82°F (27.8°C). In Chatham, in May, the average low-temperature is a refreshing 65.1°F (18.4°C).

Heat index

The heat index for May is computed to be a tropical 87.8°F (31°C). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.
Keep in mind the heat index values are meant for areas in shade and with light wind. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', joins air temperature with relative humidity to produce a temperature perception for humans. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. 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 of high significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

The average relative humidity in May is 74%.

Rainfall

In Chatham, during May, the rain falls for 14.9 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in Chatham, there are 152.6 rainfall days, and 34.21" (869mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Chatham.

Daylight

In May, the average length of the day is 13h and 53min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of May, in Chatham, sunrise is at 5:56 am and sunset at 8:08 pm CDT.

Sunshine

In May, the average sunshine is 9.9h.

UV index

In Chatham, Mississippi, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 6 in May translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Chatham?

In May, in Chatham, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 65.1°F (18.4°C). In May, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 87.8°F (31°C).

What is the average humidity in May in Chatham?

The average relative humidity in May in Chatham is 74%.

How much does it rain in Chatham in May?

In Chatham, Mississippi, in May, it is raining for 14.9 days, with typically 2.76" (70mm) of accumulated precipitation.

When it does not snow in Chatham?

March through December are months without snowfall in Chatham.

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

The average day length in May is 13h and 53min.

When are sunrise and sunset in May in Chatham?

In May, on the first day of the month, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 8:08 pm CDT.

How long on average sun shines in May in Chatham?

The average sunshine duration in May is 9.9h.

What is the UV index reading in May in Chatham?

In Chatham, Mississippi, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's 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
Chatham, MS

Average temperature in May - Chatham, MS
  • Average high temperature in May: 82°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (52°F).

  • Average low temperature in May: 65.1°F

The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

Average pressure in May
Chatham, MS

Average pressure in May - Chatham, MS
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Chatham, MS

Average wind speed in May - Chatham, MS
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in May
Chatham, MS

Average humidity in May - Chatham, MS
  • Average humidity in May: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (67%).

Average rainfall in May
Chatham, MS

Average rainfall in May - Chatham, MS
  • Average rainfall in May: 2.76"

The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.61").

Average rainfall days in May
Chatham, MS

Average rainfall days in May - Chatham, MS
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in May
Chatham, MS

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

The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in May
Chatham, MS

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

The month with the highest number of snowfall days is February (0.8 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
Chatham, MS

Average daylight in May / Average sunshine in May - Chatham, MS
  • Average daylight in May: 13h and 5min

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

  • Average sunshine in May: 9h and 5min

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

Average sunshine days in May
Chatham, MS

Average sunshine days in May - Chatham, MS
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (11.9 days).

Average UV index in May
Chatham, MS

Average UV index in May - Chatham, 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
Chatham, MS

Average cloud cover in May - Chatham, MS
  • Average cloud cover in May: 31

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in May
Chatham, MS

Average visibility in May - Chatham, MS
  • 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).

Chatham, Mississippi, USA

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