May weather forecast
Granville, NY

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Weather in May

May, the last month of the spring in Granville, is an enjoyable month, with an average temperature fluctuating between 45°F (7.2°C) and 66.6°F (19.2°C).

Temperature

With the onset of May, Granville's average high-temperature experiences a noticeable rise, advancing from April's cool 52.2°F (11.2°C) to a refreshing 66.6°F (19.2°C). The nighttime temperature in Granville during May exhibits a clear drop from daytime highs, settling at a chilly 45°F (7.2°C).

Humidity

The average relative humidity in May is 75%.

Rainfall

In Granville, in May, it is raining for 17 days, with typically 2.68" (68mm) of accumulated precipitation. In Granville, New York, during the entire year, the rain falls for 153.4 days and collects up to 27.8" (706mm) of precipitation.

Snowfall

Months with snowfall in Granville are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Granville aggregates 0.55" (14mm) of snow. Throughout the year, there are 59.7 snowfall days, and 32.28" (820mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 43min.
On the first day of the month, sunrise is at 5:44 am and sunset at 7:55 pm. On the last day of May, in Granville, sunrise is at 5:15 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine in Granville, New York, is 8.4h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 5 in May translates into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in Granville?

In Granville, in May, the average high-temperature is 66.6°F (19.2°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in May in Granville?

In May, the average relative humidity in Granville, New York, is 75%.

How many days does it rain in May in Granville?

In Granville, in May, during 17 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

What is the last month it snows in Granville?

May is the last month it regularly snows in Granville, New York. During 0.3 snowfall days, in May, Granville aggregates 0.55" (14mm) of snow.

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

The average day length in May in Granville, New York, is 14h and 43min.

What time are sunrise and sunset in May in Granville?

In May, on the first day of the month, sunrise is at 5:44 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Granville have in May?

The average sunshine duration in May is 8.4h.

When is the highest UV index in Granville?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in May in Granville?

The average daily maximum UV index in May in Granville is 5. 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Granville, NY

Average temperature in May - Granville, NY
  • Average high temperature in May: 66.6°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in May: 45°F

The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in May
Granville, NY

Average pressure in May - Granville, NY
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Granville, NY

Average wind speed in May - Granville, NY
  • Average wind speed in May: 6.2mph

The windiest months (with the highest average wind speed) are January and April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Granville, NY

Average humidity in May - Granville, NY
  • Average humidity in May: 75%

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).

Average rainfall in May
Granville, NY

Average rainfall in May - Granville, NY
  • Average rainfall in May: 2.68"

The wettest month (with the highest rainfall) is June (2.91").
The driest months (with the least rainfall) are January, February and March (1.89").

Average rainfall days in May
Granville, NY

Average rainfall days in May - Granville, NY
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.2 days).

Average snowfall in May
Granville, NY

Average snowfall in May - Granville, NY
  • Average snowfall in May: 0.55"

The month with the highest snowfall is February (8.35").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Granville, NY

Average snowfall days in May - Granville, NY
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is February (15.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

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

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

Average sunshine days in May
Granville, NY

Average sunshine days in May - Granville, NY
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in May
Granville, NY

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Granville, NY

Average cloud cover in May - Granville, NY
  • Average cloud cover in May: 47

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in May
Granville, NY

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

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).

Granville, New York, USA

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