May weather forecast and climate
Trenton, MO

May, the last month of the spring, in Trenton, is a pleasant month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 71.4°F (21.9°C).

Temperature

In Trenton, Missouri, the average high-temperature in May rises, from an enjoyable 62.4°F (16.9°C) in April, to a pleasant 71.4°F (21.9°C). The average low-temperature, in May, is 54.3°F (12.4°C).

Humidity

The average relative humidity in May is 80%.

Rainfall

In May, the rain falls for 16.5 days. Throughout May, 3.66" (93mm) of precipitation is accumulated. Throughout the year, in Trenton, there are 131.5 rainfall days, and 26.85" (682mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Trenton. During 0.2 snowfall days, Trenton aggregates 0.24" (6mm) of snow. Throughout the year, there are 22.4 snowfall days, and 11.18" (284mm) of snow is accumulated.

Daylight

The average length of the day in Trenton is 14.4h.

Sunshine

In Trenton, the average sunshine is 8.6h.

UV index

The average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in May in Trenton?

The average high-temperature, in May, is 71.4°F (21.9°C), while the average low-temperature is 54.3°F (12.4°C).

What is the average humidity in May in Trenton?

The average relative humidity in May in Trenton is 80%.

How much does it rain in Trenton in May?

In Trenton, in May, during 16.5 rainfall days, 3.66" (93mm) of precipitation is typically accumulated.

What is the last month it snows in Trenton?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Trenton aggregates 0.24" (6mm) of snow.

How many hours of daylight does Trenton have in May?

The average length of the day in May in Trenton is 14.4h.

How long on average sun shines in May in Trenton?

In May, the average sunshine in Trenton is 8.6h.

What is the UV index intensity in May in Trenton?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in May - Trenton, MO
  • Average high temperature in May: 21.9°C

The warmest month (with the highest average high temperature) is July (29.2°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in May: 12.4°C

The month with the highest average low temperature is July (19.5°C).
The coldest month (with the lowest average low temperature) is January (-7.1°C).

Average pressure in May - Trenton, MO
  • Average pressure in May: 1013.6mbar

The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).

Average wind speed in May - Trenton, MO
  • Average wind speed in May: 13.1km/h

The windiest month (with the highest average wind speed) is March (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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

The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in May - Trenton, MO
  • Average rainfall in May: 93mm

The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is January (24mm).

Average rainfall days in May - Trenton, MO
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (4.4 days).

Average snowfall in May - Trenton, MO
  • Average snowfall in May: 6mm

The month with the highest snowfall is January (94mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in May - Trenton, MO
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Trenton, MO
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 8.6h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.7h).

Average sunshine days in May - Trenton, MO
  • Average sunshine days in May: 11.8 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May - Trenton, 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 - Trenton, MO
  • Average cloud cover in May: 41

Months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in May - Trenton, MO
  • Average visibility in May: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).