Jackson
Mississippi, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Jackson, MS

The view of the Capitol building in Jackson, Mississippi, from a beautiful tree park
The view of the Capitol building in Jackson, Mississippi, from a beautiful tree park
The last month of the spring, May, is also a moderately hot month in Jackson, Mississippi, with average temperature varying between 61.5°F (16.4°C) and 83.1°F (28.4°C).

Temperature

In May, the average high-temperature marginally rises, from 75.9°F (24.4°C) in April, to a still warm 83.1°F (28.4°C). In Jackson, Mississippi, the average low-temperature is 61.5°F (16.4°C).

Humidity

In Jackson, the average relative humidity is 73.8%.

Rainfall

In Jackson, during 8.9 rainfall days, 4.4" (111.3mm) of precipitation is typically accumulated. Throughout the year, in Jackson, there are 108.6 rainfall days, and 54.1" (1375.2mm) of precipitation is accumulated.

Daylight

In May, the average length of the day is 13.8h.

Sunshine

In Jackson, the average sunshine is 8.9h.

UV index

May through August, with an average maximum UV index of 10, are months with the highest UV index. A UV Index estimate of 8 to 10 represents a very high threat to health from unsafe exposure to the UV radiation for average individuals.
The daily maximum UV index of 10 interpret into the following advice:
Take special precautions, as unprotected eyes and skin can be burned and damaged quickly. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in May in Jackson?

In Jackson, in May, the average high-temperature is 83.1°F (28.4°C), and the average low-temperature is 61.5°F (16.4°C).

What is the average humidity in May in Jackson?

In Jackson, the average relative humidity in May is 73.8%.

How many days does it rain in May in Jackson?

In Jackson, in May, it is raining for 8.9 days, with typically 4.4" (111.3mm) of accumulated precipitation.

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

The average length of the day in May in Jackson is 13.8h.

How long on average sun shines in May in Jackson?

The average sunshine in May is 8.9h.

What are the months with the highest UV index in Jackson?

Months with the highest UV index are May through August, with an average maximum UV index of 10.

What is the UV index reading in May in Jackson?

The average daily maximum UV index in May in Jackson, Mississippi, is 10. A UV Index reading of 8 to 10 represents a very high health threat from the exposure to the Sun's UV rays.
Average temperature in May - Jackson, MS
  • Average high temperature in May: 28.4°C

Warmest months (with the highest average high temperature) are July and August (33.1°C).
The month with the lowest average high temperature is January (13.4°C).

  • Average low temperature in May: 16.4°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average humidity in May - Jackson, MS
  • Average humidity in May: 73.8%

The month with the highest relative humidity is September (77.3%).
The month with the lowest relative humidity is March (71.1%).

Average rainfall in May - Jackson, MS
  • Average rainfall in May: 111.3mm

The wettest month (with the highest rainfall) is December (130.8mm).
The driest month (with the lowest rainfall) is September (77mm).

Average rainfall days in May - Jackson, MS
  • Average rainfall days in May: 8.9 days

The month with the highest number of rainy days is July (10.7 days).
The month with the lowest number of rainy days is September (7 days).

Average daylight in May / Average sunshine in May - Jackson, MS
  • Average daylight in May: 13.8h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10.1h).

  • Average sunshine in May: 8.9h

The month with most sunshine is June (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 4.9h).

Average UV index in May - Jackson, MS
  • Average UV index in May: 10

Months with the highest UV index are May, June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).