May weather forecast and climate
Lancaster, NH

Weather in May

May, the last month of the spring, in Lancaster, is an enjoyable month, with average temperature fluctuating between 62.2°F (16.8°C) and 41.2°F (5.1°C).

Temperature

In Lancaster, the average high-temperature in May significantly increases, from a chilly 46.2°F (7.9°C) in April, to a comfortable 62.2°F (16.8°C). The average low-temperature, in Lancaster, is 41.2°F (5.1°C).

Humidity

May is the least humid month, with an average relative humidity of 76%.

Rainfall

In Lancaster, during May, the rain falls for 16.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 150.5 rainfall days, and 27.99" (711mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Lancaster. May is the last month it regularly snows in Lancaster. During 0.8 snowfall days, Lancaster aggregates 0.79" (20mm) of snow. In Lancaster, during the entire year, snow falls for 104.2 days, and aggregates up to 61.02" (1550mm) of snow.

Daylight

In Lancaster, New Hampshire, the average length of the day in May is 14.8h.

Sunshine

In May, the average sunshine is 7.7h.

UV index

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 4 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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.
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FAQ

What is the temperature in May in Lancaster?

In Lancaster, New Hampshire, in May, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 41.2°F (5.1°C).

What is the least humid month in Lancaster?

With an average relative humidity of 76%, May is the least humid month in Lancaster.

What is the average humidity in May in Lancaster?

The average relative humidity in May in Lancaster, New Hampshire, is 76%.

How many days does it rain in May in Lancaster?

In May, in Lancaster, New Hampshire, the rain falls for 16.5 days. Throughout May, 2.24" (57mm) of precipitation is accumulated.

What is the last month it snows in Lancaster?

May is the last month it regularly snows in Lancaster. During 0.8 snowfall days, in May, Lancaster aggregates 0.79" (20mm) of snow.

How many hours of daylight does Lancaster have in May?

The average length of the day in May is 14.8h.

How long on average sun shines in May in Lancaster?

In May, the average sunshine in Lancaster, New Hampshire, is 7.7h.

What is the UV index reading in May in Lancaster?

In May, the average daily maximum UV index in Lancaster is 4. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in May
Lancaster, NH

Average temperature in May - Lancaster, NH
  • Average high temperature in May: 62.2°F

The warmest month (with the highest average high temperature) is July (75.6°F).
The month with the lowest average high temperature is January (22.5°F).

  • Average low temperature in May: 41.2°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (9°F).

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Average pressure in May
Lancaster, NH

Average pressure in May - Lancaster, NH
  • Average pressure in May: 29.98"

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

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Average wind speed in May
Lancaster, NH

Average wind speed in May - Lancaster, NH
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in May
Lancaster, NH

Average humidity in May - Lancaster, NH
  • Average humidity in May: 76%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (76%).

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Average rainfall in May
Lancaster, NH

Average rainfall in May - Lancaster, NH
  • Average rainfall in May: 2.24"

The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is August (1.97").

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Average rainfall days in May
Lancaster, NH

Average rainfall days in May - Lancaster, NH
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (5 days).

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Average snowfall in May
Lancaster, NH

Average snowfall in May - Lancaster, NH
  • Average snowfall in May: 0.79"

The month with the highest snowfall is February (13.43").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Lancaster, NH

Average snowfall days in May - Lancaster, NH
  • Average snowfall days in May: 0.8 days

The month with the highest number of snowfall days is January (21.4 days).
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
Lancaster, NH

Average daylight in May / Average sunshine in May - Lancaster, NH
  • Average daylight in May: 14.8h

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 May: 7.7h

The month with the most sunshine is August (Average sunshine: 9.5h).
Months with the least sunshine are January and February (Average sunshine: 2.6).

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Average sunshine days in May
Lancaster, NH

Average sunshine days in May - Lancaster, NH
  • Average sunshine days in May: 12.5 days

The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is February (6.3 days).

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Average UV index in May
Lancaster, NH

Average UV index in May - Lancaster, NH
  • Average UV index in May: 4

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

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Average cloud cover in May
Lancaster, NH

Average cloud cover in May - Lancaster, NH
  • Average cloud cover in May: 52

The month with the most cloud cover is February (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 42).

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Average visibility in May
Lancaster, NH

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

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

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