May weather forecast
Guilderland, NY

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Weather in May

May, the last month of the spring in Guilderland, is an enjoyable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 46.9°F (8.3°C).

Temperature

The transition from April to May brings a temperature rise, with average high-temperatures increasing from a cool 54.1°F (12.3°C) to an enjoyable 67.6°F (19.8°C). An average nighttime temperature of 46.9°F (8.3°C) is recorded during May.

Humidity

In Guilderland, the average relative humidity in May is 76%.

Rainfall

In Guilderland, in May, during 17.4 rainfall days, 3.07" (78mm) of precipitation is typically accumulated. Throughout the year, there are 160.4 rainfall days, and 32.44" (824mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Guilderland aggregates 0.2" (5mm) of snow. In Guilderland, during the entire year, snow falls for 51.2 days and aggregates up to 32.09" (815mm) of snow.

Daylight

In May, the average length of the day in Guilderland is 14h and 39min.
On the first day of the month, sunrise is at 5:48 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:20 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine is 8.8h.

UV index

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In May, the maximum UV index of 5 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are May temperatures?

The average high-temperature, in May, in Guilderland, is 67.6°F (19.8°C), while the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in May?

In Guilderland, the average relative humidity in May is 76%.

How much does it rain in May?

In May, the rain falls for 17.4 days. Throughout May, 3.07" (78mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Guilderland aggregates 0.2" (5mm) of snow.

How many hours of daylight does Guilderland have in May?

In Guilderland, the average day length in May is 14h and 39min.

When are sunrise and sunset in May?

On the first day of May in Guilderland, New York, sunrise is at 5:48 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 5:20 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Guilderland have in May?

The average sunshine duration in May is 8.8h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
Guilderland, NY

Average temperature in May - Guilderland, NY
  • Average high temperature in May: 67.6°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in May: 46.9°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 (16.7°F).

Average pressure in May
Guilderland, NY

Average pressure in May - Guilderland, NY
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in May
Guilderland, NY

Average wind speed in May - Guilderland, NY
  • Average wind speed in May: 6.6mph

The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in May
Guilderland, NY

Average humidity in May - Guilderland, NY
  • Average humidity in May: 76%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).

Average rainfall in May
Guilderland, NY

Average rainfall in May - Guilderland, NY
  • Average rainfall in May: 3.07"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in May
Guilderland, NY

Average rainfall days in May - Guilderland, NY
  • Average rainfall days in May: 17.4 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in May
Guilderland, NY

Average snowfall in May - Guilderland, NY
  • Average snowfall in May: 0.2"

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Guilderland, NY

Average snowfall days in May - Guilderland, NY
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Guilderland, NY
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in May
Guilderland, NY

Average sunshine days in May - Guilderland, NY
  • Average sunshine days in May: 12.1 days

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).

Average UV index in May
Guilderland, NY

Average UV index in May - Guilderland, NY
  • Average UV index in May: 5

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

Average cloud cover in May
Guilderland, NY

Average cloud cover in May - Guilderland, NY
  • Average cloud cover in May: 44

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).

Average visibility in May
Guilderland, NY

Average visibility in May - Guilderland, NY
  • Average visibility in May: 5mi

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

Guilderland, New York, USA

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