Climateby Month

Jackson, MS weather in May

NOAA 1991-2020 normals and daily records · Jackson all year

Expect warm, often humid weather with some rain in Jackson in May, with highs near 84°F and lows near 62°F. Rain falls on about 9 days.

Normal high
84°F
Normal low
62°F
Wet days
9
4.4 in total
Muggy days
14
dew point 65°F+

How May changes from start to finish

Normal values at the start and end of May
May 1May 31
Normal high80°F88°F
Normal low58°F66°F
Chance of a wet day28%30%
Sunrise / sunset6:14 am / 7:41 pm5:54 am / 8:01 pm
Daylight13.4 h14.1 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical May day

  1. 6 am65°Fdew point 62°F
  2. 9 am75°Fdew point 63°F
  3. Noon80°Fdew point 61°F
  4. 3 pm82°Fdew point 61°F
  5. 6 pm78°Fdew point 62°F
  6. 9 pm70°Fdew point 63°F

NOAA hourly normals (local standard time) from Jackson Intl Airport (6 mi away); average wind 6 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F4 of 31
  • Hot dayshigh 90°F or more5 of 31
  • Muggy daysdaily mean dew point 65°F or more14 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per May, counted from daily records for each year 1991-2020.

Rain in May

Normal precipitation is 4.4 in; a dry May brings about 2.7 in and a wet one about 6.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How May varies from year to year

  • Warmest May, 1991-20202018: average high 88°F
  • Coolest May1997: average high 81°F
  • Wettest May2004: 9.3 in
  • Driest May1996: 0.7 in
  • Highest reading95°F (May 30, 2016)
  • Lowest reading36°F (May 4, 2013)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

May compared with April and June

AprilMayJune
Normal high77°F84°F90°F
Normal low53°F62°F69°F
Wet days9910
Comfortable days1440
Daylight13.0 h13.8 h14.2 h

Highs change by +7°F from April and +6°F into June.

How Jackson ranks in May

  • Normal high83rd warmest of 378 cities; 1st of 2 in Mississippi
  • Wet days163rd driest of 378
  • Comfortable days265th most of 339

What to pack for Jackson in May

  • A rain jacket or umbrella – rain on about 9 days

Heating and cooling

May has 12 heating degree days and 258 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Jackson in May?

The normal high is 84°F and the normal low is 62°F. From 1991 to 2020 the hottest May reading was 95°F (most recently on May 30, 2016).

Does it rain a lot in Jackson in May?

About 9 days in May have at least 0.01 in of precipitation, and the normal total is 4.4 in. The wettest May in 1991-2020 was in 2004 (9.3 in); the driest was in 1996 (0.7 in).

Is May a good time to visit Jackson?

May ranks 6th of 12 months on our comfort score for Jackson (55 out of 100). It has about 4 comfortable days and about 5 days at 90°F or hotter. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Jackson Intl Airport (USW00003940), 6.4 mi ENE of the city center, 296 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Jackson International Airport (722350-03940), 6.4 mi ENE of the city center, 296 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).