April weather forecast
Londonderry, NH

Weather in April

April in Londonderry, New Hampshire, is a cool spring month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 37.4°F (3°C).

Temperature

In April, the average high-temperature rises from a wintry 41.2°F (5.1°C) in March to a fresh 55°F (12.8°C). In April, in Londonderry, the average low-temperature is 37.4°F (3°C).

Humidity

The least humid month is April, with an average relative humidity of 72%.

Rainfall

In Londonderry, it is raining for 9.8 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 104.4 rainfall days, and 12.95" (329mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Londonderry are January through May, October through December. In Londonderry, New Hampshire, during April, snow falls for 1.1 days and regularly aggregates up to 0.91" (23mm) of snow. In Londonderry, during the entire year, snow falls for 26.1 days and aggregates up to 11.54" (293mm) of snow.

Daylight

The average length of the day in April in Londonderry is 13h and 25min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:11 pm. On the last day of April, sunrise is at 5:40 am and sunset at 7:44 pm EDT.

Sunshine

The average sunshine in April is 8.1h.

UV index

In April, the average daily maximum UV index in Londonderry, New Hampshire, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 3 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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.
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FAQ

What is the temperature in April in Londonderry?

In Londonderry, New Hampshire, in April, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 37.4°F (3°C).

What is the least humid month in Londonderry?

April is the least humid month, with an average relative humidity of 72%.

What is the average humidity in April in Londonderry?

In Londonderry, New Hampshire, the average relative humidity in April is 72%.

How much does it rain in Londonderry in April?

In Londonderry, New Hampshire, in April, it is raining for 9.8 days, with typically 1.06" (27mm) of accumulated precipitation.

How many days does it snow in April in Londonderry?

In April, in Londonderry, it is snowing for 1.1 days. Throughout April, 0.91" (23mm) of snow is accumulated.

How many hours of daylight does Londonderry have in April?

In April, the average day length in Londonderry is 13h and 25min.

When is the sunrise / sunset in April in Londonderry?

In April, on the first day of the month, sunrise is at 6:27 am and sunset at 7:11 pm. On the last day of the month, in Londonderry, sunrise is at 5:40 am and sunset at 7:44 pm EDT.

How long on average sun shines in April in Londonderry?

In Londonderry, the average sunshine duration in April is 8.1h.

How high is the UV index in April in Londonderry?

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Londonderry, NH

Average temperature in April - Londonderry, NH
  • Average high temperature in April: 55°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.6°F).

  • Average low temperature in April: 37.4°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in April
Londonderry, NH

Average pressure in April - Londonderry, NH
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Londonderry, NH

Average wind speed in April - Londonderry, NH
  • Average wind speed in April: 7.6mph

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in April
Londonderry, NH

Average humidity in April - Londonderry, NH
  • Average humidity in April: 72%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (72%).

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Average rainfall in April
Londonderry, NH

Average rainfall in April - Londonderry, NH
  • Average rainfall in April: 1.06"

The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.75").

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Average rainfall days in April
Londonderry, NH

Average rainfall days in April - Londonderry, NH
  • Average rainfall days in April: 9.8 days

The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in April
Londonderry, NH

Average snowfall in April - Londonderry, NH
  • Average snowfall in April: 0.91"

The month with the highest snowfall is December (2.99").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Londonderry, NH

Average snowfall days in April - Londonderry, NH
  • Average snowfall days in April: 1.1 days

The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Londonderry, NH

Average daylight in April / Average sunshine in April - Londonderry, NH
  • Average daylight in April: 13h and 25min

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

  • Average sunshine in April: 8h and 6min

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 36min).

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Average sunshine days in April
Londonderry, NH

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

The months with the most sunshine days are January and December (21.3 days).
The month with the least sunshine days is June (16.7 days).

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Average UV index in April
Londonderry, NH

Average UV index in April - Londonderry, NH
  • Average UV index in April: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in April
Londonderry, NH

Average cloud cover in April - Londonderry, NH
  • Average cloud cover in April: 47

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in April
Londonderry, NH

Average visibility in April - Londonderry, NH
  • 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).

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