May weather forecast
East Rochester, OH

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Weather in May

May, the last month of the spring in East Rochester, is an agreeable month, with an average temperature fluctuating between 50.7°F (10.4°C) and 70.9°F (21.6°C).

Temperature

East Rochester in May shows a temperature shift, moving from an average high of a moderate 59.4°F (15.2°C) in April to a pleasant 70.9°F (21.6°C). An average low-temperature of 50.7°F (10.4°C) is expected during May.

Humidity

In East Rochester, the average relative humidity in May is 78%.

Rainfall

In May, the rain falls for 19.8 days. Throughout May, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 175.9 rainfall days, and 31.06" (789mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, East Rochester aggregates 0.12" (3mm) of snow. In East Rochester, during the entire year, snow falls for 65.9 days and aggregates up to 23.86" (606mm) of snow.

Daylight

In East Rochester, the average length of the day in May is 14h and 28min.
On the first day of May, sunrise is at 6:21 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:48 pm EDT.

Sunshine

In East Rochester, the average sunshine in May is 8.7h.

UV index

In East Rochester, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature?

An average high-temperature, in May, in East Rochester, is 70.9°F (21.6°C) and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May?

In East Rochester, the average relative humidity in May is 78%.

How many days does it rain in May?

In May, the rain falls for 19.8 days. Throughout May, 2.99" (76mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, East Rochester aggregates 0.12" (3mm) of snow.

How many hours of daylight does East Rochester have in May?

The average day length in May is 14h and 28min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 6:21 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:48 pm EDT.

How many hours of sunshine does East Rochester have in May?

In May, the average sunshine duration is 8.7h.

How high is the UV index in May?

In East Rochester, 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 the Sun's UV radiation.
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
East Rochester, OH

Average temperature in May - East Rochester, OH
  • Average high temperature in May: 70.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

Average pressure in May
East Rochester, OH

Average pressure in May - East Rochester, OH
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in May
East Rochester, OH

Average wind speed in May - East Rochester, OH
  • Average wind speed in May: 6.5mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in May
East Rochester, OH

Average humidity in May - East Rochester, OH
  • Average humidity in May: 78%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).

Average rainfall in May
East Rochester, OH

Average rainfall in May - East Rochester, OH
  • Average rainfall in May: 2.99"

The wettest months (with the highest rainfall) are April and June (3.03").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in May
East Rochester, OH

Average rainfall days in May - East Rochester, OH
  • Average rainfall days in May: 19.8 days

The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (9.2 days).

Average snowfall in May
East Rochester, OH

Average snowfall in May - East Rochester, OH
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (5.94").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
East Rochester, OH

Average snowfall days in May - East Rochester, OH
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
East Rochester, OH

Average daylight in May / Average sunshine in May - East Rochester, OH
  • 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in May
East Rochester, OH

Average sunshine days in May - East Rochester, OH
  • Average sunshine days in May: 9.3 days

The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in May
East Rochester, OH

Average UV index in May - East Rochester, OH
  • 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
East Rochester, OH

Average cloud cover in May - East Rochester, OH
  • Average cloud cover in May: 45

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in May
East Rochester, OH

Average visibility in May - East Rochester, OH
  • Average visibility in May: 5mi

The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January and February (4mi).

East Rochester, Ohio, USA

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