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
The transition to April introduces an increase in the average high-temperature, shifting from a cold 41.2°F (5.1°C) in March to a cool 54.3°F (12.4°C). In April, Old Chatham experiences a temperature dip to an average of 36.1°F (2.3°C) at night.Humidity
April is the least humid month, with an average relative humidity of 75%.Rainfall
In Old Chatham, during April, the rain falls for 14.1 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 135.1 rainfall days, and 20.39" (518mm) of precipitation is accumulated.Snowfall
Months with snowfall in Old Chatham are January through May, October through December. In Old Chatham, in April, snow falls for 2.1 days, with typically accumulated 0.71" (18mm) of snow. In Old Chatham, during the entire year, snow falls for 36.9 days and aggregates up to 15.98" (406mm) of snow.Daylight
The average length of the day in April is 13h and 24min.On the first day of April, sunrise is at 6:35 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:53 pm EDT.
Sunshine
In Old Chatham, the average sunshine in April is 7.9h.UV index
In Old Chatham, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during April translates into the following guidance:
Undertake precautions - Obligation exists to protect against skin and eye damage. To guard against the harmful effects of the Sun, minimize exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Old Chatham?
What is the least humid month in Old Chatham?
What is the average humidity in April in Old Chatham?
How much does it rain in Old Chatham in April?
How many days does it snow in April in Old Chatham?
What is the average length of the day in April in Old Chatham?
What time are sunrise and sunset in April in Old Chatham?
How long on average sun shines in April in Old Chatham?
What is the UV index intensity in April in Old Chatham?
Average temperature in April
Old Chatham, NY
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is July (59°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in April
Old Chatham, 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
Old Chatham, NY
- Average wind speed in April: 7.9mph
The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in April
Old Chatham, NY
- Average humidity in April: 75%
The months with the highest relative humidity are February and December (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Old Chatham, NY
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in April
Old Chatham, NY
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in April
Old Chatham, NY
- Average snowfall in April: 0.71"
The month with the highest snowfall is March (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Old Chatham, NY
- Average snowfall days in April: 2.1 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Old Chatham, NY
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in April
Old Chatham, NY
- Average sunshine days in April: 13.5 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in April
Old Chatham, NY
- Average UV index in April: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Old Chatham, NY
- Average cloud cover in April: 50
The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in April
Old Chatham, NY
- Average visibility in April: 6mi
The months with the highest visibility are January, April, November and December (6mi).
The months with the lowest visibility are February, March, May, June, July, August, September and October (5mi).
Old Chatham, New York, USA
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