April weather forecastRochester, NH
April
Weather in April
The weather in April in Rochester, New Hampshire, USA, takes a definitive turn towards spring. The humidity starts to become more noticeable, and the city generally basks under 13.4 hours of daylight, more than any month thus far. Average temperatures continue to rise, with the highest averaging at 52°F (11.1°C) and the lowest rising to 36.3°F (2.4°C), even though occasionally residents may still witness minor snowfall. The combination of warmer days, more sunlight, and a reduction in snowfall serves as an indication of the imminent arrival of summer. Consequently, April weather offers a break from the cold, snowy conditions of the previous months and transitions into a period of warmth and growth.Temperature
The start of April signals an increase in the average high-temperature, moving from a cold 39.7°F (4.3°C) in March to a cool 52°F (11.1°C). An average low-temperature of 36.3°F (2.4°C) is common during the nights of April.Humidity
With an average relative humidity of 75%, April is the least humid month.Rainfall
In Rochester, in April, during 14.5 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. Throughout the year, in Rochester, there are 143.1 rainfall days, and 29.06" (738mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Rochester, during April, snow falls for 2.2 days and regularly aggregates up to 2.09" (53mm) of snow. Throughout the year, there are 40 snowfall days, and 27.8" (706mm) of snow is accumulated.Daylight
In Rochester, New Hampshire, the average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:10 pm. On the last day of April, sunrise is at 5:37 am and sunset at 7:44 pm EDT.
Sunshine
In Rochester, the average sunshine in April is 7.9h.UV index
In Rochester, New Hampshire, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in April interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rochester, NH
- Average high temperature in April: 52°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 (29.7°F).
- Average low temperature in April: 36.3°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Rochester, NH
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Rochester, NH
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in April
Rochester, NH
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is April (75%).
Average rainfall in April
Rochester, NH
- Average rainfall in April: 2.87"
The wettest months (with the highest rainfall) are October and December (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in April
Rochester, NH
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in April
Rochester, NH
- Average snowfall in April: 2.09"
The month with the highest snowfall is December (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rochester, NH
- Average snowfall days in April: 2.2 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rochester, NH
- Average daylight in April: 13h and 24min
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 0min).
- Average sunshine in April: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Rochester, NH
- Average sunshine days in April: 13.3 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in April
Rochester, NH
- Average UV index in April: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in April
Rochester, NH
- Average cloud cover in April: 48
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Rochester, NH
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).
