May weather forecast
Morristown, NY

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Weather in May

The last month of the spring, May, is a comfortable month in Morristown, New York, with temperature in the range of an average high of 64.8°F (18.2°C) and an average low of 46°F (7.8°C).

Temperature

The start of May brings a shift in the average high-temperature, increasing from April's fresh 50.5°F (10.3°C) to a refreshing 64.8°F (18.2°C). During May, the average low-temperature is a frosty 46°F (7.8°C).

Humidity

The average relative humidity in May in Morristown is 79%.

Rainfall

In Morristown, during May, the rain falls for 16.4 days and regularly aggregates up to 2.64" (67mm) of precipitation. Throughout the year, in Morristown, there are 141.7 rainfall days, and 26.34" (669mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Morristown. May is the last month it regularly snows. During 0.5 snowfall days, in May, Morristown aggregates 0.08" (2mm) of snow. Throughout the year, in Morristown, there are 56.1 snowfall days, and 24.49" (622mm) of snow is accumulated.

Daylight

In Morristown, the average length of the day in May is 14h and 50min.
On the first day of the month, sunrise is at 5:51 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:20 am and sunset at 8:40 pm EDT.

Sunshine

In Morristown, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May in Morristown is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In May, a regular UV index of 4 translates into these guidelines:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the average May temperature in Morristown?

The high-temperature, in May, in Morristown, records 64.8°F (18.2°C), while the low-temperature is 46°F (7.8°C).

What is the average humidity in May in Morristown?

In May, the average relative humidity is 79%.

How many days does it rain in May in Morristown?

In Morristown, New York, during May, the rain falls for 16.4 days and regularly aggregates up to 2.64" (67mm) of precipitation.

What is the last month it snows in Morristown?

May is the last month it regularly snows in Morristown. During 0.5 snowfall days, in May, Morristown aggregates 0.08" (2mm) of snow.

How many hours of daylight does Morristown have in May?

The average day length in May is 14h and 50min.

When is the sunrise / sunset in May in Morristown?

On the first day of May in Morristown, sunrise is at 5:51 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:40 pm EDT.

How many hours of sunshine does Morristown have in May?

In May, the average sunshine duration is 8.5h.

How high is the UV index in May in Morristown?

In Morristown, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk 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
Morristown, NY

Average temperature in May - Morristown, NY
  • Average high temperature in May: 64.8°F

The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (24.1°F).

  • Average low temperature in May: 46°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in May
Morristown, NY

Average pressure in May - Morristown, NY
  • Average pressure in May: 29.97"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Morristown, NY

Average wind speed in May - Morristown, NY
  • Average wind speed in May: 7.7mph

The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

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Average humidity in May
Morristown, NY

Average humidity in May - Morristown, NY
  • Average humidity in May: 79%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).

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Average rainfall in May
Morristown, NY

Average rainfall in May - Morristown, NY
  • Average rainfall in May: 2.64"

The wettest month (with the highest rainfall) is August (2.76").
The driest months (with the least rainfall) are March and November (1.69").

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Average rainfall days in May
Morristown, NY

Average rainfall days in May - Morristown, NY
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (5 days).

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Average snowfall in May
Morristown, NY

Average snowfall in May - Morristown, NY
  • Average snowfall in May: 0.08"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Morristown, NY

Average snowfall days in May - Morristown, NY
  • Average snowfall days in May: 0.5 days

The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Morristown, NY

Average daylight in May / Average sunshine in May - Morristown, NY
  • Average daylight in May: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in May: 8h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).

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Average sunshine days in May
Morristown, NY

Average sunshine days in May - Morristown, NY
  • Average sunshine days in May: 12.8 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.1 days).

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Average UV index in May
Morristown, NY

Average UV index in May - Morristown, NY
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Morristown, NY

Average cloud cover in May - Morristown, NY
  • Average cloud cover in May: 45

The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in May
Morristown, NY

Average visibility in May - Morristown, NY
  • Average visibility in May: 6mi

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

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Morristown, New York, USA

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