May weather forecastDillsburg, PA

May

Weather in May

The last month of the spring, May, is a pleasant month in Dillsburg, Pennsylvania, with an average temperature varying between 70.5°F (21.4°C) and 51.8°F (11°C).

Temperature

The beginning of May signals a rise in the average high-temperature, moving from a moderate 60.3°F (15.7°C) in April to a pleasant 70.5°F (21.4°C). An average minimum temperature of 51.8°F (11°C) is recorded in Dillsburg during the month of May.

Humidity

In May, the average relative humidity in Dillsburg is 79%.

Rainfall

The month with the most rainfall is May, when the rain falls for 14.7 days and typically aggregates up to 1.34" (34mm) of precipitation.

Snowfall

In Dillsburg, snow does not fall in May through September.

Daylight

In Dillsburg, the average length of the day in May is 14h and 25min.
On the first day of the month, sunrise is at 6:06 am and sunset at 8:03 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:30 pm EDT.

Sunshine

The average sunshine in May is 8.5h.

UV index

May through July, 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 threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 6 in May interprets into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

The average high-temperature and low-temperature in Dillsburg during May are 70.5°F (21.4°C) and 51.8°F (11°C) respectively.

The average relative humidity in May is 79%.

The month with the most rainfall is May, when the rain falls for 14.7 days and typically aggregates up to 1.34" (34mm) of precipitation.

In May, the rain falls for 14.7 days. Throughout May, 1.34" (34mm) of precipitation is accumulated.

In Dillsburg, snow does not fall in May through September.

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

In May, the average day length is 14h and 25min.

In May, on the first day of the month, sunrise is at 6:06 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:30 pm EDT.

The average sunshine duration in May is 8.5h.

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

The average daily maximum UV index in May in Dillsburg, Pennsylvania, is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Dillsburg, PA

  • Average high temperature in May: 70.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in May: 51.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).

Average pressure in May
Dillsburg, PA

  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in May
Dillsburg, PA

  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in May
Dillsburg, PA

  • Average humidity in May: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are April and July (75%).

Average rainfall in May
Dillsburg, PA

  • Average rainfall in May: 1.34"

The wettest month (with the highest rainfall) is May (1.34").
The driest months (with the least rainfall) are January and February (0.75").

Average rainfall days in May
Dillsburg, PA

  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in May
Dillsburg, PA

  • Average snowfall in May: 0"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
Dillsburg, PA

  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Dillsburg, PA

  • Average daylight in May: 14h and 24min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in May: 8h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Dillsburg, PA

  • Average sunshine days in May: 13.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (13.8 days).

Average UV index in May
Dillsburg, PA

  • Average UV index in May: 6

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

Average cloud cover in May
Dillsburg, PA

  • Average cloud cover in May: 46

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in May
Dillsburg, PA

  • Average visibility in May: 5mi

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