Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Sandown in May shows a temperature shift, moving from an average high of a cool 53.2°F (11.8°C) in April to an enjoyable 64.6°F (18.1°C). Sandown anticipates an average minimum temperature of 46.9°F (8.3°C) in the month of May.Humidity
In Sandown, New Hampshire, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 14.9 days. Throughout May, 1.93" (49mm) of precipitation is accumulated. Throughout the year, in Sandown, New Hampshire, there are 137.4 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Sandown, New Hampshire. During 0.1 snowfall days, in May, Sandown aggregates 0.12" (3mm) of snow. Throughout the year, there are 37 snowfall days, and 24.88" (632mm) of snow is accumulated.Daylight
In Sandown, the average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 5:37 am and sunset at 7:46 pm. On the last day of May, in Sandown, sunrise is at 5:08 am and sunset at 8:16 pm EDT.
Sunshine
In Sandown, the average sunshine in May is 8.1h.UV index
The average daily maximum UV index in May in Sandown is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In May, the maximum UV index of 5 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Sandown?
What is the average humidity in May in Sandown?
How much does it rain in Sandown in May?
What is the last month it snows in Sandown?
What is the average length of the day in May in Sandown?
When is the sunrise / sunset in May in Sandown?
How long on average sun shines in May in Sandown?
What is the UV index reading in May in Sandown?
Average temperature in May
Sandown, NH
- Average high temperature in May: 64.6°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 (31.3°F).
- Average low temperature in May: 46.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in May
Sandown, NH
- Average pressure in May: 30"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Sandown, NH
- Average wind speed in May: 6.8mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in May
Sandown, NH
- Average humidity in May: 76%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (73%).
Average rainfall in May
Sandown, NH
- Average rainfall in May: 1.93"
The wettest month (with the highest rainfall) is December (2.99").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Sandown, NH
- Average rainfall days in May: 14.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in May
Sandown, NH
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Sandown, NH
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sandown, 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 6min).
- Average sunshine in May: 8h and 1min
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).
Average sunshine days in May
Sandown, NH
- Average sunshine days in May: 15 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is April (13.6 days).
Average UV index in May
Sandown, NH
- Average UV index in May: 5
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).
Average cloud cover in May
Sandown, 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 33).
Average visibility in May
Sandown, NH
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, June, October, November and December (6mi).
The months with the lowest visibility are February, May, July, August and September (5mi).
Sandown, New Hampshire, USA
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