April weather forecast and climate
Jackson, NH

April is a frosty spring month in Jackson, New Hampshire, with average temperature fluctuating between 47.8°F (8.8°C) and 30.9°F (-0.6°C).

Temperature

In April, the average high-temperature rises, from a cold 34.3°F (1.3°C) in March, to a chilly 47.8°F (8.8°C). In Jackson, in April, the average low-temperature is 30.9°F (-0.6°C).

Humidity

In Jackson, the average relative humidity in April is 79%.

Rainfall

Months with the most rainfall are April and October, with an average 1.46" (37mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Jackson. In April, it is snowing for 3.3 days. Throughout April, 2.68" (68mm) of snow is accumulated. Throughout the year, in Jackson, there are 41.7 snowfall days, and 19.96" (507mm) of snow is accumulated.

Daylight

In Jackson, New Hampshire, the average length of the day is 13.5h.

Sunshine

In April, the average sunshine in Jackson, New Hampshire, is 7.4h.

UV index

The average daily maximum UV index in Jackson, New Hampshire, is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 2 in April interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Jackson?

The average high-temperature, in April, in Jackson, is 47.8°F (8.8°C), while the average low-temperature is 30.9°F (-0.6°C).

What is the average humidity in April in Jackson?

In Jackson, New Hampshire, the average relative humidity in April is 79%.

How much does it rain in Jackson in April?

In April, the rain falls for 9 days. Throughout April, 1.46" (37mm) of precipitation is accumulated.

What is the wettest month in Jackson?

Months with the most rainfall are April and October, with an average 1.46" (37mm) of precipitation.

How many days does it snow in April in Jackson?

In Jackson, in April, during 3.3 snowfall days, 2.68" (68mm) of snow is typically accumulated.

What is the average length of the day in April in Jackson?

The average length of the day in April in Jackson is 13.5h.

How many hours of sunshine does Jackson have in April?

The average sunshine in April is 7.4h.

What is the UV index reading in April in Jackson?

In April, the average daily maximum UV index in Jackson is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in April - Jackson, NH
  • Average high temperature in April: 47.8°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in April: 30.9°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure in April - Jackson, NH
  • Average pressure in April: 29.95"

The month with the highest atmospheric pressure is November (30.06").
The month with the lowest atmospheric pressure is June (29.91").

Average wind speed in April - Jackson, NH
  • Average wind speed in April: 6mph

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in April - Jackson, NH
  • Average humidity in April: 79%

Months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (77%).

Average rainfall in April - Jackson, NH
  • Average rainfall in April: 1.46"

The wettest months (with the highest rainfall) are April and October (1.46").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in April - Jackson, NH
  • Average rainfall days in April: 9 days

Months with the highest number of rainy days are May and July (10.3 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in April - Jackson, NH
  • Average snowfall in April: 2.68"

The month with the highest snowfall is February (4.53").
Months with the least snowfall are June, July, August and September (0").

Average snowfall days in April - Jackson, NH
  • Average snowfall days in April: 3.3 days

The month with the highest number of snowfall days is February (8.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in April / Average sunshine in April - Jackson, NH
  • Average daylight in April: 13.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in April: 7.4h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 4.2h).

Average sunshine days in April - Jackson, NH
  • Average sunshine days in April: 18.3 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is June (18.2 days).

Average UV index in April - Jackson, NH
  • Average UV index in April: 2

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are February and December (UV index 1).

Average cloud cover in April - Jackson, NH
  • Average cloud cover in April: 53

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in April - Jackson, NH
  • Average visibility in April: 5mi

Months with the highest visibility are April, May, June, July, August, November and December (5mi).
Months with the lowest visibility are January, February, March, September and October (4mi).