May weather forecast
Jacksonville, MO

Share

Weather in May

The last month of the spring, May, is an agreeable month in Jacksonville, Missouri, with temperature in the range of an average low of 55.2°F (12.9°C) and an average high of 72.7°F (22.6°C).

Temperature

The start of May brings a subtle rise in the average high-temperature, moving from an enjoyable 64°F (17.8°C) in April to a pleasant 72.7°F (22.6°C). The nighttime temperature dips to a cool 55.2°F (12.9°C) on average during May.

Humidity

May is the most humid month, with an average relative humidity of 80%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.62" (92mm) of precipitation.

Snowfall

May through August are months without snowfall.

Daylight

In Jacksonville, the average length of the day in May is 14h and 22min.
On the first day of May in Jacksonville, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:31 pm CDT.

Sunshine

In May, the average sunshine in Jacksonville, Missouri, is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 5 in May translates into these instructions:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Jacksonville?

The high-temperature in Jacksonville during May is 72.7°F (22.6°C) and the low-temperature is 55.2°F (12.9°C).

What is the most humid month in Jacksonville?

With an average relative humidity of 80%, May is the most humid month in Jacksonville.

What is the average humidity in May in Jacksonville?

In May, the average relative humidity in Jacksonville, Missouri, is 80%.

What is the rainiest month in Jacksonville?

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.62" (92mm) of precipitation.

How many days does it rain in May in Jacksonville?

In May, in Jacksonville, Missouri, the rain falls for 17.3 days. Throughout May, 3.62" (92mm) of precipitation is accumulated.

When it does not snow in Jacksonville?

May through August are months without snowfall.

Does it snow in Jacksonville in May?

In May, in Jacksonville, it doesn't snow. April is the latest month when it typically snows.

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

In Jacksonville, the average day length in May is 14h and 22min.

What time are sunrise and sunset in May in Jacksonville?

In May, on the first day of the month, sunrise is at 6:09 am and sunset at 8:04 pm. On the last day of the month, in Jacksonville, sunrise is at 5:44 am and sunset at 8:31 pm CDT.

How long on average sun shines in May in Jacksonville?

In May, the average sunshine duration in Jacksonville is 8.9h.

What is the UV index intensity in May in Jacksonville?

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Jacksonville, MO

Average temperature in May - Jacksonville, MO
  • Average high temperature in May: 72.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in May: 55.2°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in May
Jacksonville, MO

Average pressure in May - Jacksonville, MO
  • Average pressure in May: 29.94"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Jacksonville, MO

Average wind speed in May - Jacksonville, MO
  • Average wind speed in May: 8.1mph

The windiest months (with the highest average wind speed) are January, February and March (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).

Average humidity in May
Jacksonville, MO

Average humidity in May - Jacksonville, MO
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May
Jacksonville, MO

Average rainfall in May - Jacksonville, MO
  • Average rainfall in May: 3.62"

The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in May
Jacksonville, MO

Average rainfall days in May - Jacksonville, MO
  • Average rainfall days in May: 17.3 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).

Average snowfall in May
Jacksonville, MO

Average snowfall in May - Jacksonville, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is January (3.7").
The months with the least snowfall are May, June, July and August (0").

Average snowfall days in May
Jacksonville, MO

Average snowfall days in May - Jacksonville, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Jacksonville, MO

Average daylight in May / Average sunshine in May - Jacksonville, MO
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

Average sunshine days in May
Jacksonville, MO

Average sunshine days in May - Jacksonville, MO
  • Average sunshine days in May: 11.7 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in May
Jacksonville, MO

Average UV index in May - Jacksonville, MO
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in May
Jacksonville, MO

Average cloud cover in May - Jacksonville, MO
  • Average cloud cover in May: 39

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May
Jacksonville, MO

Average visibility in May - Jacksonville, MO
  • 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).

Jacksonville, Missouri, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location