May weather forecast
Harrington, DE

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Weather in May

In May, the weather begins to heat up in Harrington, reaching an average temperature of 70.9°F (21.6°C). The month experiences the highest rainfall of 3.11" (79mm) indicating the onset of the humid summer season. However, this increase in rainfall comes with an extended daily sunshine span making it lively and vibrant. Whether intending a visit or planning various activities, May offers an enjoyable time while also ushering in the approaching summer.

Temperature

May's onset witnesses a shift in the average high-temperature, moving from a refreshing 61.5°F (16.4°C) in April to a pleasant 70.9°F (21.6°C). Harrington witnesses an average low-temperature of 56.7°F (13.7°C) throughout the month of May.

Humidity

The months with the highest humidity are May, August and September, with an average relative humidity of 79%.

Rainfall

In May, the rain falls for 17.8 days. Throughout May, 3.11" (79mm) of precipitation is accumulated. Throughout the year, in Harrington, there are 167.5 rainfall days, and 35.35" (898mm) of precipitation is accumulated.

Snowfall

In Harrington, snow does not fall in May through October.

Daylight

In May, the average length of the day is 14h and 19min.
On the first day of the month, sunrise is at 6:03 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:38 am and sunset at 8:21 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, an average UV index of 6 transforms into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Boost your sun resistance with garments that are densely woven yet spacious.
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Frequently asked questions

What are the temperatures in Harrington in May?

In Harrington, in May, the average high-temperature is 70.9°F (21.6°C), and the average low-temperature is 56.7°F (13.7°C).

What is the most humid month in Harrington?

The months with the highest humidity in Harrington, Delaware, are May, August and September, with an average relative humidity of 79%.

What is the average humidity in May in Harrington?

The average relative humidity in May is 79%.

How many days does it rain in May in Harrington?

In May, the rain falls for 17.8 days. Throughout May, 3.11" (79mm) of precipitation is accumulated.

When it does not snow in Harrington?

In Harrington, snow does not fall in May through October.

Does it snow in Harrington in May?

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

What is the average length of the day in May in Harrington?

The average day length in May in Harrington, Delaware, is 14h and 19min.

When is the sunrise / sunset in May in Harrington?

On the first day of May, sunrise is at 6:03 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Harrington have in May?

In May, the average sunshine duration is 8.8h.

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

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

How high is the UV index in May in Harrington?

The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability 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
Harrington, DE

Average temperature in May - Harrington, DE
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in May: 56.7°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in May
Harrington, DE

Average pressure in May - Harrington, 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
Harrington, DE

Average wind speed in May - Harrington, DE
  • Average wind speed in May: 8.1mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in May
Harrington, DE

Average humidity in May - Harrington, DE
  • Average humidity in May: 79%

The months with the highest relative humidity are May, August and September (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in May
Harrington, DE

Average rainfall in May - Harrington, DE
  • Average rainfall in May: 3.11"

The wettest month (with the highest rainfall) is August (3.9").
The driest month (with the least rainfall) is January (2.13").

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Average rainfall days in May
Harrington, DE

Average rainfall days in May - Harrington, DE
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9 days).

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Average snowfall in May
Harrington, DE

Average snowfall in May - Harrington, DE
  • Average snowfall in May: 0"

The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Harrington, DE

Average snowfall days in May - Harrington, DE
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in May / Average sunshine in May - Harrington, DE
  • 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 30min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in May
Harrington, DE

Average sunshine days in May - Harrington, DE
  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (9.7 days).

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Average UV index in May
Harrington, DE

Average UV index in May - Harrington, 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
Harrington, DE

Average cloud cover in May - Harrington, DE
  • Average cloud cover in May: 43

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in May
Harrington, DE

Average visibility in May - Harrington, 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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Harrington, Delaware, USA

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