May weather forecast
Milton, DE

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Weather in May

May experiences the second highest level of rainfall in Milton, Delaware at 1.02" (26mm), bringing considerable moisture to the city. This month commends itself as a junction of two seasons with the mercury pushing temperatures higher, hinting at the arrival of summer. The extended daylight duration of 14.3h offers ample time for residents to embrace the outdoors. The lash of wind that ruled the previous months shows a decline, setting a calm milieu. The hike in humidity to 80% manifests itself in the form of vibrant greenery all around.

Temperature

The shift from April to May sees a slight increase in the average high-temperature, transitioning from a mild 59.9°F (15.5°C) to a pleasant 68.5°F (20.3°C). Milton's temperature tends to fall to an average low of 57.6°F (14.2°C) during the nights of May.

Humidity

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

Rainfall

In May, the rain falls for 12.9 days. Throughout May, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 124.9 rainfall days, and 11.34" (288mm) of precipitation is accumulated.

Snowfall

January through March, May, November and December are months with snowfall in Milton, Delaware. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 10.7 snowfall days, and 1.97" (50mm) of snow is accumulated.

Daylight

In Milton, the average length of the day in May is 14h and 18min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:19 pm EDT.

Sunshine

In Milton, the average sunshine in May is 9.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 6 transforms into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature during May is 68.5°F (20.3°C) and the low-temperature is 57.6°F (14.2°C).

What is the most humid month?

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

What is the average humidity in May?

In Milton, Delaware, the average relative humidity in May is 80%.

How many days does it rain in May?

In Milton, during May, the rain falls for 12.9 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When does it start to snow?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in May?

In May, the average day length is 14h and 18min.

When is the sunrise / sunset in May?

On the first day of May, sunrise is at 6:02 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:19 pm EDT.

How many hours of sunshine does Milton have in May?

The average sunshine duration in May is 9.3h.

What are the months with the highest UV index?

The months with the highest UV index in Milton are May through August, with an average maximum UV index of 6.

What is the UV index reading in May?

In Milton, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe 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
Milton, DE

Average temperature in May - Milton, DE
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in May: 57.6°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in May
Milton, DE

Average pressure in May - Milton, DE
  • Average pressure in May: 30.02"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
Milton, DE

Average wind speed in May - Milton, DE
  • Average wind speed in May: 9mph

The windiest months (with the highest average wind speed) are January and February (10.8mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in May
Milton, DE

Average humidity in May - Milton, DE
  • Average humidity in May: 80%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in May
Milton, DE

Average rainfall in May - Milton, DE
  • Average rainfall in May: 1.02"

The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is September (0.63").

Average rainfall days in May
Milton, DE

Average rainfall days in May - Milton, DE
  • Average rainfall days in May: 12.9 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in May
Milton, DE

Average snowfall in May - Milton, DE
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in May
Milton, DE

Average snowfall days in May - Milton, DE
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Milton, DE

Average daylight in May / Average sunshine in May - Milton, DE
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in May: 9h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in May
Milton, DE

Average sunshine days in May - Milton, DE
  • Average sunshine days in May: 15.3 days

The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in May
Milton, DE

Average UV index in May - Milton, DE
  • Average UV index in May: 6

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

Average cloud cover in May
Milton, DE

Average cloud cover in May - Milton, DE
  • Average cloud cover in May: 39

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in May
Milton, DE

Average visibility in May - Milton, DE
  • 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).

Milton, Delaware, USA

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