May weather forecast and climate
Philadelphia, MO

May, the last month of the spring, in Philadelphia, is an agreeable month, with temperature in the range of an average low of 55.4°F (13°C) and an average high of 72.7°F (22.6°C).

Temperature

In May, the average high-temperature increases, from a comfortable 63.3°F (17.4°C) in April, to an agreeable 72.7°F (22.6°C). In Philadelphia, the average low-temperature is 55.4°F (13°C).

Humidity

Months with the highest humidity are May through July, with an average relative humidity of 80%.

Rainfall

May is the month with the most rainfall. Rain falls for 17.5 days and accumulates 3.58" (91mm) of precipitation.

Snowfall

May through October are months without snowfall in Philadelphia, Missouri.

Daylight

In Philadelphia, the average length of the day is 14.4h.

Sunshine

The average sunshine in Philadelphia is 9.2h.

UV index

The average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to the UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Philadelphia?

In Philadelphia, in May, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 55.4°F (13°C).

What are the most humid months in Philadelphia?

Months with the highest humidity in Philadelphia are May through July, with an average relative humidity of 80%.

What is the average humidity in May in Philadelphia?

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

How many days does it rain in May in Philadelphia?

In Philadelphia, in May, during 17.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated.

What is the wettest month in Philadelphia?

The month with the most rainfall in Philadelphia, Missouri, is May when the rain falls for 17.5 days and typically aggregates up to 3.58" (91mm) of precipitation.

Does it snow in Philadelphia in May?

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

When it does not snow in Philadelphia?

In Philadelphia, Missouri, snow does not fall in May through October.

How many hours of daylight does Philadelphia have in May?

In May, the average length of the day in Philadelphia, Missouri, is 14.4h.

How many hours of sunshine does Philadelphia have in May?

The average sunshine in May in Philadelphia, Missouri, is 9.2h.

How high is the UV index in May in Philadelphia?

The average daily maximum UV index in May in Philadelphia is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Philadelphia, MO
  • Average high temperature in May: 22.6°C

The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (0.9°C).

  • Average low temperature in May: 13°C

The month with the highest average low temperature is July (19.4°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

Average pressure in May - Philadelphia, MO
  • Average pressure in May: 1013.9mbar

The month with the highest atmospheric pressure is January (1021.1mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).

Average wind speed in May - Philadelphia, MO
  • Average wind speed in May: 13km/h

The windiest month (with the highest average wind speed) is January (16.2km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).

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

Months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in May - Philadelphia, MO
  • Average rainfall in May: 91mm

The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in May - Philadelphia, MO
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.4 days).

Average snowfall in May - Philadelphia, MO
  • Average snowfall in May: 0mm

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

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

The month with the highest number of snowfall days is January (7.3 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May / Average sunshine in May - Philadelphia, 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: 9.2h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 4.5h).

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

Months with the most sunshine days are January and December (19.4 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in May - Philadelphia, 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 - Philadelphia, MO
  • Average cloud cover in May: 38

The month with the most cloud cover is January (Cloud cover 51).
Months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in May - Philadelphia, 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).