Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As Herkimer transitions into April, a rise in the average high-temperature is observed, moving from a cold 37.9°F (3.3°C) in March to a fresh 51.8°F (11°C). The average temperature during April nights is registered at a wintry 34.2°F (1.2°C).Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 78%.Rainfall
In Herkimer, in April, it is raining for 16.3 days, with typically 2.99" (76mm) of accumulated precipitation. In Herkimer, New York, during the entire year, the rain falls for 161.1 days and collects up to 31.54" (801mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Herkimer, in April, during 4.8 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 80.6 snowfall days, and 32.8" (833mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 26min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:26 pm. On the last day of April, sunrise is at 5:53 am and sunset at 8:00 pm EDT.
Sunshine
The average sunshine in April is 6.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during April translates into the following guidance:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What are the least humid months?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April in Herkimer?
When is the sunrise / sunset in April?
How many hours of sunshine does Herkimer have in April?
What is the UV index intensity in April?
Average temperature in April
Herkimer, NY
- Average high temperature in April: 51.8°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 April: 34.2°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 April
Herkimer, NY
- Average pressure in April: 29.97"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 April
Herkimer, NY
- Average wind speed in April: 9.2mph
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 April
Herkimer, NY
- Average humidity in April: 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 April
Herkimer, NY
- Average rainfall in April: 2.99"
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 April
Herkimer, NY
- Average rainfall days in April: 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 April
Herkimer, NY
- Average snowfall in April: 1.22"
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 April
Herkimer, NY
- Average snowfall days in April: 4.8 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 April /
Average sunshine in April
Herkimer, NY
- Average daylight in April: 13h and 2min
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 April: 6h and 5min
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 April
Herkimer, NY
- Average sunshine days in April: 9.9 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 April
Herkimer, NY
- Average UV index in April: 3
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 April
Herkimer, NY
- Average cloud cover in April: 55
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 April
Herkimer, NY
- Average visibility in April: 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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