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
The transition to May introduces an increase in the average high-temperature, shifting from a cool 52.3°F (11.3°C) in April to a comfortable 65.5°F (18.6°C). Hillsboro, during May nights, observes an average temperature of 45.1°F (7.3°C).Humidity
The average relative humidity in May is 76%.Rainfall
In May, the rain falls for 15.6 days. Throughout May, 2.44" (62mm) of precipitation is accumulated. In Hillsboro, New Hampshire, during the entire year, the rain falls for 147.7 days and collects up to 30.91" (785mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Hillsboro. May is the last month it regularly snows. During 0.3 snowfall days, in May, Hillsboro aggregates 0.31" (8mm) of snow. Throughout the year, in Hillsboro, there are 54.9 snowfall days, and 37.2" (945mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 41min.On the first day of the month, sunrise is at 5:39 am and sunset at 7:49 pm. On the last day of May, in Hillsboro, New Hampshire, sunrise is at 5:10 am and sunset at 8:19 pm EDT.
Sunshine
The average sunshine in May in Hillsboro is 8h.UV index
In Hillsboro, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in May in Hillsboro?
What is the average humidity in May in Hillsboro?
How many days does it rain in May in Hillsboro?
What is the last month it snows in Hillsboro?
What is the average length of the day in May in Hillsboro?
When are sunrise and sunset in May in Hillsboro?
How long on average sun shines in May in Hillsboro?
How high is the UV index in May in Hillsboro?
Average temperature in May
Hillsboro, NH
- Average high temperature in May: 65.5°F
The warmest month (with the highest average high temperature) is July (79.7°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°F).
The coldest month (with the lowest average low temperature) is January (14.5°F).
Average pressure in May
Hillsboro, 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 (29.92"Hg).
Average wind speed in May
Hillsboro, NH
- Average wind speed in May: 6.3mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in May
Hillsboro, NH
- Average humidity in May: 76%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Hillsboro, NH
- Average rainfall in May: 2.44"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Hillsboro, NH
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in May
Hillsboro, NH
- Average snowfall in May: 0.31"
The month with the highest snowfall is February (10.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Hillsboro, NH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hillsboro, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in May
Hillsboro, NH
- Average sunshine days in May: 13.2 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in May
Hillsboro, 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).
Average cloud cover in May
Hillsboro, NH
- Average cloud cover in May: 50
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in May
Hillsboro, NH
- Average visibility in May: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Hillsboro, New Hampshire, USA
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