May weather forecast
Jamesville, PA

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Weather in May

May, the last month of the spring in Jamesville, is an agreeable month, with temperature in the range of an average high of 68.7°F (20.4°C) and an average low of 49.6°F (9.8°C).

Temperature

As May begins, there is an increase in the average high-temperature, moving from a refreshing 57.7°F (14.3°C) in April to an agreeable 68.7°F (20.4°C). Nighttime temperature experiences an average drop to a chilly 49.6°F (9.8°C) in May.

Humidity

The average relative humidity in May is 79%.

Rainfall

In Jamesville, in May, during 17.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Jamesville, during the entire year, the rain falls for 167 days and collects up to 33.5" (851mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Jamesville, Pennsylvania. During 0.1 snowfall days, in May, Jamesville aggregates 0.16" (4mm) of snow. Throughout the year, there are 33.8 snowfall days, and 17.91" (455mm) of snow is accumulated.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:26 pm EDT.

Sunshine

In May, the average sunshine in Jamesville is 8.3h.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 5 during May translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The high-temperature, in May, in Jamesville, is 68.7°F (20.4°C), while the low-temperature averages to 49.6°F (9.8°C).

What is the average humidity in May?

In May, the average relative humidity is 79%.

How many days does it rain in May?

In Jamesville, in May, it is raining for 17.8 days, with typically 3.03" (77mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Jamesville aggregates 0.16" (4mm) of snow.

How many hours of daylight does Jamesville have in May?

In May, the average day length is 14h and 28min.

When are sunrise and sunset in May?

On the first day of May, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:26 pm EDT.

How many hours of sunshine does Jamesville have in May?

In Jamesville, the average sunshine duration in May is 8.3h.

What is the month with the highest UV index?

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

What is the UV index reading in May in Jamesville?

The average daily maximum UV index in May in Jamesville is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Jamesville, PA

Average temperature in May - Jamesville, PA
  • Average high temperature in May: 68.7°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in May: 49.6°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average pressure in May
Jamesville, PA

Average pressure in May - Jamesville, PA
  • Average pressure in May: 30.01"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).

Average wind speed in May
Jamesville, PA

Average wind speed in May - Jamesville, PA
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in May
Jamesville, PA

Average humidity in May - Jamesville, PA
  • Average humidity in May: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

Average rainfall in May
Jamesville, PA

Average rainfall in May - Jamesville, PA
  • Average rainfall in May: 3.03"

The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in May
Jamesville, PA

Average rainfall days in May - Jamesville, PA
  • Average rainfall days in May: 17.8 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in May
Jamesville, PA

Average snowfall in May - Jamesville, PA
  • Average snowfall in May: 0.16"

The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Jamesville, PA

Average snowfall days in May - Jamesville, PA
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Jamesville, PA
  • Average daylight in May: 14h and 3min

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 18min).

  • Average sunshine in May: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in May
Jamesville, PA

Average sunshine days in May - Jamesville, PA
  • Average sunshine days in May: 11.1 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in May
Jamesville, PA

Average UV index in May - Jamesville, PA
  • Average UV index in May: 5

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

Average cloud cover in May
Jamesville, PA

Average cloud cover in May - Jamesville, PA
  • Average cloud cover in May: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in May
Jamesville, PA

Average visibility in May - Jamesville, PA
  • Average visibility in May: 5mi

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

Jamesville, Pennsylvania, USA

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