May weather forecast
Plainfield, IN

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Weather in May

May kicks off the transition from spring to summer in Plainfield, resulting in considerably warmer temperatures than April. Clear skies and sunshine become frequent, rendering outdoor environments delightful. Green landscapes are enriched by floral accents, adding to the charm of the city's public spaces. The pleasant weather encourages various recreational activities, and local events commence their schedules. The mild winds, abundant sunshine, and pleasant temperatures make May an attractive month in Plainfield.

Temperature

The onset of May brings a rise in the average high-temperature, elevating from a refreshing 61.3°F (16.3°C) in April to a pleasant 71.6°F (22°C). Throughout May, Plainfield's nights cool down to an average of 55.4°F (13°C).

Humidity

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

Rainfall

May is the month with the most rainfall. Rain falls for 21.6 days and accumulates 4.53" (115mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Plainfield aggregates 0.04" (1mm) of snow. In Plainfield, during the entire year, snow falls for 40.4 days and aggregates up to 15.04" (382mm) of snow.

Daylight

In Plainfield, Indiana, the average length of the day in May is 14h and 23min.
On the first day of the month, sunrise is at 6:45 am and sunset at 8:40 pm. On the last day of May, sunrise is at 6:19 am and sunset at 9:07 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

What are May temperatures?

The high-temperature during May is 71.6°F (22°C) and the low-temperature is 55.4°F (13°C).

What is the average humidity in May?

In May, the average relative humidity is 80%.

What is the rainiest month?

May is the month with the most rainfall in Plainfield. Rain falls for 21.6 days and accumulates 4.53" (115mm) of precipitation.

How much does it rain in May?

In May, the rain falls for 21.6 days. Throughout May, 4.53" (115mm) of precipitation is accumulated.

What is the last month it snows in Plainfield?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Plainfield aggregates 0.04" (1mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 23min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 6:45 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 9:07 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.6h.

How high is the UV index in May?

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Plainfield, IN

Average temperature in May - Plainfield, IN
  • Average high temperature in May: 71.6°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in May: 55.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21°F).

Average pressure in May
Plainfield, IN

Average pressure in May - Plainfield, IN
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Plainfield, IN

Average wind speed in May - Plainfield, IN
  • Average wind speed in May: 7.9mph

The windiest months (with the highest average wind speed) are January and February (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in May
Plainfield, IN

Average humidity in May - Plainfield, IN
  • Average humidity in May: 80%

The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).

Average rainfall in May
Plainfield, IN

Average rainfall in May - Plainfield, IN
  • Average rainfall in May: 4.53"

The wettest month (with the highest rainfall) is May (4.53").
The driest months (with the least rainfall) are February and September (2.32").

Average rainfall days in May
Plainfield, IN

Average rainfall days in May - Plainfield, IN
  • Average rainfall days in May: 21.6 days

The month with the highest number of rainy days is May (21.6 days).
The month with the least rainy days is January (9.5 days).

Average snowfall in May
Plainfield, IN

Average snowfall in May - Plainfield, IN
  • Average snowfall in May: 0.04"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in May
Plainfield, IN

Average snowfall days in May - Plainfield, IN
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Plainfield, IN

Average daylight in May / Average sunshine in May - Plainfield, IN
  • 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

Average sunshine days in May
Plainfield, IN

Average sunshine days in May - Plainfield, IN
  • Average sunshine days in May: 7.3 days

The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (7.3 days).

Average UV index in May
Plainfield, IN

Average UV index in May - Plainfield, IN
  • 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, October, November and December (UV index 2).

Average cloud cover in May
Plainfield, IN

Average cloud cover in May - Plainfield, IN
  • Average cloud cover in May: 42

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in May
Plainfield, IN

Average visibility in May - Plainfield, IN
  • Average visibility in May: 6mi

The months with the highest visibility are February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, July and December (5mi).

Plainfield, Indiana, USA

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