May weather forecastLancaster, NH
May
Weather in May
May brings warm and pleasant weather to Lancaster, shedding the remnants of winter. A significant increase in high average temperatures is characteristic of this month, providing ample opportunity for outdoor activities and leisure. Snowfall exits the forecast and average rainfall dips to 2.24" (57mm), paving the way for dryer conditions. May's weather is consistent, with temperatures consistently staying within moderate limits. The days continue to extend, offering more sunlight each day.Temperature
The onset of May marks a clear increase in the average high-temperature, escalating from a frosty 46.2°F (7.9°C) in April to an enjoyable 62.2°F (16.8°C). During the nights in May, Lancaster observes an average low-temperature of 41.2°F (5.1°C).Humidity
The least humid month is May, with an average relative humidity of 76%.Rainfall
In Lancaster, New Hampshire, 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
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.8 snowfall days, in May, 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, the average length of the day in May is 14h and 49min.On the first day of the month, sunrise is at 5:35 am and sunset at 7:51 pm. On the last day of May, sunrise is at 5:04 am and sunset at 8:23 pm EDT.
Sunshine
In Lancaster, the average sunshine in May is 7.7h.UV index
The average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in May
Lancaster, NH
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
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).
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%).
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").
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).
Average snowfall in May
Lancaster, NH
- Average snowfall in May: 0.79"
The month with the highest snowfall is February (13.43").
The months with the least snowfall are June, July, August and September (0").
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).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lancaster, NH
- Average daylight in May: 14h and 48min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in May: 7h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
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).
Average UV index in May
Lancaster, NH
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
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).
Average visibility in May
Lancaster, NH
- Average visibility in May: 5mi
The months with the highest visibility are May, June, July and November (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October and December (4mi).
