May weather forecast
Lincoln, DE

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Weather in May

The last month of the spring, May, is an agreeable month in Lincoln, Delaware, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 70°F (21.1°C).

Temperature

May brings a temperature change, with average high-temperatures moving from April's refreshing 60.6°F (15.9°C) to a pleasant 70°F (21.1°C). The month of May records an average low-temperature of 57°F (13.9°C) in Lincoln.

Humidity

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

Rainfall

In Lincoln, Delaware, in May, it is raining for 16.1 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, in Lincoln, there are 152.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, May, November and December. May is the first month it typically snows in Lincoln. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Lincoln, during the entire year, snow falls for 10.4 days and aggregates up to 4.29" (109mm) of snow.

Daylight

In May, the average length of the day in Lincoln is 14h and 19min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:20 pm EDT.

Sunshine

The average sunshine in May is 9.1h.

UV index

The months with the highest UV index in Lincoln, Delaware, are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In May, a daily maximum UV index of 6 leads to the following instructions:
Resist extreme sun exposure. Guarding against solar damage is essential. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are May temperatures in Lincoln?

The high-temperature in Lincoln, Delaware, during May is 70°F (21.1°C) and the low-temperature is 57°F (13.9°C).

What is the most humid month in Lincoln?

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

What is the average humidity in May in Lincoln?

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

How much does it rain in Lincoln in May?

In Lincoln, Delaware, in May, it is raining for 16.1 days, with typically 2.28" (58mm) of accumulated precipitation.

When does it start snowing in Lincoln?

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 Lincoln?

The average day length in May in Lincoln is 14h and 19min.

When is the sunrise / sunset in May in Lincoln?

On the first day of May in Lincoln, sunrise is at 6:02 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:20 pm EDT.

How long on average sun shines in May in Lincoln?

The average sunshine duration in May in Lincoln, Delaware, is 9.1h.

What are the months with the highest UV index in Lincoln?

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

What is the UV index intensity in May in Lincoln?

In Lincoln, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
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
Lincoln, DE

Average temperature in May - Lincoln, DE
  • Average high temperature in May: 70°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in May: 57°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

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Average pressure in May
Lincoln, DE

Average pressure in May - Lincoln, 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).

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Average wind speed in May
Lincoln, DE

Average wind speed in May - Lincoln, DE
  • Average wind speed in May: 8.6mph

The windiest month (with the highest average wind speed) is February (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

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Average humidity in May
Lincoln, DE

Average humidity in May - Lincoln, 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%).

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Average rainfall in May
Lincoln, DE

Average rainfall in May - Lincoln, DE
  • Average rainfall in May: 2.28"

The wettest month (with the highest rainfall) is August (3.07").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in May
Lincoln, DE

Average rainfall days in May - Lincoln, DE
  • Average rainfall days in May: 16.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in May
Lincoln, DE

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

The month with the highest snowfall is January (1.22").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in May
Lincoln, DE

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

The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Lincoln, 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in May
Lincoln, DE

Average sunshine days in May - Lincoln, DE
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in May
Lincoln, DE

Average UV index in May - Lincoln, 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).

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Average cloud cover in May
Lincoln, DE

Average cloud cover in May - Lincoln, DE
  • Average cloud cover in May: 40

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in May
Lincoln, DE

Average visibility in May - Lincoln, 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).

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Lincoln, Delaware, USA

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