May weather forecast and climate
Jefferson City, MO

The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri
The State Capitol building surrounded by a beautiful park in Jefferson City, Missouri
The last month of the spring, May, is a warm month in Jefferson City, Missouri, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 75.7°F (24.3°C).

Temperature

In Jefferson City, the average high-temperature increases, from a comfortable 66°F (18.9°C) in April, to a moderately hot 75.7°F (24.3°C). In Jefferson City, the average low-temperature is 55.8°F (13.2°C).

Humidity

The most humid month in Jefferson City, Missouri, is May, with an average relative humidity of 77%.

Rainfall

May is the month with the most rainfall in Jefferson City. Rain falls for 11.3 days and accumulates 1.3" (33mm) of precipitation.

Snowfall

In Jefferson City snow does not fall in April through October.

Daylight

In Jefferson City, the average length of the day is 14.3h.

Sunshine

The average sunshine in May is 9.1h.

UV index

In Jefferson City, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Jefferson City?

The average high-temperature, in May, is 75.7°F (24.3°C), while the average low-temperature is 55.8°F (13.2°C).

What is the most humid month in Jefferson City?

May is the most humid month in Jefferson City, with an average relative humidity of 77%.

What is the average humidity in May in Jefferson City?

The average relative humidity in May in Jefferson City is 77%.

How much does it rain in Jefferson City in May?

In Jefferson City, in May, during 11.3 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

What is the wettest month in Jefferson City?

The month with the most rainfall is May when the rain falls for 11.3 days and typically aggregates up to 1.3" (33mm) of precipitation.

When it does not snow in Jefferson City?

April through October are months without snowfall in Jefferson City.

What is the average length of the day in May in Jefferson City?

The average length of the day in May in Jefferson City is 14.3h.

How long on average sun shines in May in Jefferson City?

In May, the average sunshine in Jefferson City is 9.1h.

What is the UV index reading in May in Jefferson City?

In Jefferson City, Missouri, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in May - Jefferson City, MO
  • Average high temperature in May: 75.7°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).

  • Average low temperature in May: 55.8°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in May - Jefferson City, MO
  • Average pressure in May: 29.95"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.92").

Average wind speed in May - Jefferson City, MO
  • Average wind speed in May: 7.1mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May - Jefferson City, MO
  • Average humidity in May: 77%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).

Average rainfall in May - Jefferson City, MO
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").

Average rainfall days in May - Jefferson City, MO
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).

Average snowfall in May - Jefferson City, MO
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.71").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May - Jefferson City, MO
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.2 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Jefferson City, MO
  • Average daylight in May: 14.3h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 9.1h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in May - Jefferson City, MO
  • Average sunshine days in May: 16.7 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).

Average UV index in May - Jefferson City, MO
  • Average UV index in May: 5

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

Average cloud cover in May - Jefferson City, MO
  • Average cloud cover in May: 38

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in May - Jefferson City, MO
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).