Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
In May, the meteorological conditions change with the average high-temperature moving from a refreshing 61.2°F (16.2°C) in April to an agreeable 71.2°F (21.8°C). During May, the nighttime temperature in Jamestown, Ohio, averages of 54.7°F (12.6°C).Humidity
In Jamestown, Ohio, the average relative humidity in May is 80%.Rainfall
The month with the most rainfall in Jamestown, Ohio, is May, when the rain falls for 19.4 days and typically aggregates up to 3.9" (99mm) of precipitation.Snowfall
Months with snowfall in Jamestown, Ohio, are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Jamestown aggregates 0.04" (1mm) of snow. In Jamestown, during the entire year, snow falls for 43.7 days and aggregates up to 14.45" (367mm) of snow.Daylight
In May, the average length of the day in Jamestown is 14h and 23min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:29 pm. On the last day of May, in Jamestown, sunrise is at 6:09 am and sunset at 8:56 pm EDT.
Sunshine
In Jamestown, the average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during May translates into the following guidance:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Jamestown?
What is the average humidity in May in Jamestown?
What is the rainiest month in Jamestown?
How much does it rain in Jamestown in May?
What is the last month it snows in Jamestown?
How many hours of daylight does Jamestown have in May?
When is the sunrise / sunset in May in Jamestown?
How many hours of sunshine does Jamestown have in May?
What is the UV index intensity in May in Jamestown?
Average temperature in May
Jamestown, OH
- Average high temperature in May: 71.2°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in May: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in May
Jamestown, OH
- Average pressure in May: 29.98"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in May
Jamestown, OH
- Average wind speed in May: 7.9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in May
Jamestown, OH
- Average humidity in May: 80%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in May
Jamestown, OH
- Average rainfall in May: 3.9"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in May
Jamestown, OH
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in May
Jamestown, OH
- Average snowfall in May: 0.04"
The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jamestown, OH
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jamestown, OH
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in May
Jamestown, OH
- Average sunshine days in May: 9.2 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in May
Jamestown, OH
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Jamestown, OH
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Jamestown, OH
- Average visibility in May: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Jamestown, Ohio, USA
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