May weather forecast
Loudon, NH

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Weather in May

May manifests as a delightful spring month in Loudon, New Hampshire, featuring a harmonious blend of warm temperatures, generous sunshine, and lavish greenery. A notable increase in average high temperature from 53.1°F (11.7°C) in April to 65.7°F (18.7°C) in May signifies this atmospheric condition. This change in weather brings about brighter longer days, preparing for the imminent summer season. While the UV index may rise to 5, the average rainfall dips slightly, resulting in optimal weather conditions. May's ever-changing daily patterns, ranging from brief rain showers to unexpected heatwaves, create a rich tapestry of weather events.

Temperature

The shift from April to May in Loudon, New Hampshire, sees an increase in the average high-temperature, transitioning from a cool 53.1°F (11.7°C) to a comfortable 65.7°F (18.7°C). Loudon, during the month of May, experiences an average low-temperature of 45.1°F (7.3°C).

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Loudon, during May, the rain falls for 14.6 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Loudon, during the entire year, the rain falls for 138.6 days and collects up to 27.24" (692mm) of precipitation.

Snowfall

Months with snowfall in Loudon, New Hampshire, are January through May, October through December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Loudon aggregates 0.24" (6mm) of snow. In Loudon, during the entire year, snow falls for 48.2 days and aggregates up to 30.71" (780mm) of snow.

Daylight

The average length of the day in May is 14h and 42min.
On the first day of May, sunrise is at 5:37 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:18 pm EDT.

Sunshine

In Loudon, the average sunshine in May is 8.2h.

UV index

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What is the average May temperature in Loudon?

The average high-temperature, in May, in Loudon, is 65.7°F (18.7°C), while the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in May in Loudon?

In May, the average relative humidity is 75%.

How much does it rain in Loudon in May?

In Loudon, in May, during 14.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated.

What is the last month it snows in Loudon?

May is the last month it regularly snows. During 0.2 snowfall days, in May, Loudon aggregates 0.24" (6mm) of snow.

How many hours of daylight does Loudon have in May?

The average day length in May is 14h and 42min.

What time are sunrise and sunset in May in Loudon?

In May, on the first day of the month, sunrise is at 5:37 am and sunset at 7:47 pm. On the last day of the month, in Loudon, sunrise is at 5:08 am and sunset at 8:18 pm EDT.

How long on average sun shines in May in Loudon?

In Loudon, the average sunshine duration in May is 8.2h.

What is the UV index reading in May in Loudon?

In Loudon, New Hampshire, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Loudon, NH

Average temperature in May - Loudon, NH
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.7°F).

  • Average low temperature in May: 45.1°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

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Average pressure in May
Loudon, NH

Average pressure in May - Loudon, NH
  • Average pressure in May: 29.99"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in May
Loudon, NH

Average wind speed in May - Loudon, NH
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Loudon, NH

Average humidity in May - Loudon, NH
  • Average humidity in May: 75%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in May
Loudon, NH

Average rainfall in May - Loudon, NH
  • Average rainfall in May: 2.13"

The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in May
Loudon, NH

Average rainfall days in May - Loudon, NH
  • Average rainfall days in May: 14.6 days

The month with the highest number of rainy days is April (15.2 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in May
Loudon, NH

Average snowfall in May - Loudon, NH
  • Average snowfall in May: 0.24"

The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Loudon, NH

Average snowfall days in May - Loudon, NH
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in May /
Average sunshine in May
Loudon, NH

Average daylight in May / Average sunshine in May - Loudon, NH
  • Average daylight in May: 14h and 4min

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 May: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in May
Loudon, NH

Average sunshine days in May - Loudon, NH
  • Average sunshine days in May: 14.1 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is April (12.4 days).

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Average UV index in May
Loudon, NH

Average UV index in May - Loudon, NH
  • Average UV index in May: 5

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, October, November and December (UV index 2).

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Average cloud cover in May
Loudon, NH

Average cloud cover in May - Loudon, NH
  • Average cloud cover in May: 48

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in May
Loudon, NH

Average visibility in May - Loudon, NH
  • Average visibility in May: 5mi

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

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Loudon, New Hampshire, USA

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