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
The onset of May brings a rise in the average high-temperature, elevating from a fresh 51.8°F (11°C) in April to an enjoyable 65.8°F (18.8°C). Herkimer in May experiences a low-temperature average of 45.1°F (7.3°C).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 78%.Rainfall
May is the month with the most rainfall in Herkimer. Rain falls for 16.3 days and accumulates 3.23" (82mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.6 snowfall days, in May, Herkimer aggregates 0.08" (2mm) of snow. Throughout the year, there are 80.6 snowfall days, and 32.8" (833mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 5:52 am and sunset at 8:01 pm. On the last day of May, sunrise is at 5:23 am and sunset at 8:32 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In May, the maximum UV index of 4 suggests these recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Herkimer in May?
What is the least humid month?
What is the average humidity in May?
What is the rainiest month?
How much does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Herkimer have in May?
How high is the UV index in May?
Average temperature in May
Herkimer, NY
- Average high temperature in May: 65.8°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Herkimer, 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
Herkimer, NY
- Average wind speed in May: 7.6mph
The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in May
Herkimer, NY
- Average humidity in May: 78%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in May
Herkimer, NY
- Average rainfall in May: 3.23"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in May
Herkimer, NY
- Average rainfall days in May: 16.3 days
The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Herkimer, NY
- Average snowfall in May: 0.08"
The months with the highest snowfall are January and February (8.27").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Herkimer, NY
- Average snowfall days in May: 0.6 days
The month with the highest number of snowfall days is January (19.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Herkimer, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in May
Herkimer, NY
- Average sunshine days in May: 12.4 days
The month with the most sunshine days is September (15.6 days).
The month with the least sunshine days is February (4.9 days).
Average UV index in May
Herkimer, NY
- Average UV index in May: 4
The months with the highest UV index are 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
Herkimer, NY
- Average cloud cover in May: 48
The months with the most cloud cover are January and February (Cloud cover 73).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in May
Herkimer, NY
- Average visibility in May: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Herkimer, New York, USA
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