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 beginning of May marks a shift in the average high-temperature, moving from April's cool 51.6°F (10.9°C) to a comfortable 65.1°F (18.4°C). Harrisville, in May, observes a steady average low-temperature of 45.1°F (7.3°C).Humidity
In May, the average relative humidity is 76%.Rainfall
In May, the rain falls for 16 days. Throughout May, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Harrisville, there are 141.7 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.5 snowfall days, in May, Harrisville aggregates 0.67" (17mm) of snow. In Harrisville, during the entire year, snow falls for 59.9 days and aggregates up to 47.95" (1218mm) of snow.Daylight
In Harrisville, the average length of the day in May is 14h and 40min.On the first day of the month, sunrise is at 5:41 am and sunset at 7:49 pm. On the last day of May, sunrise is at 5:12 am and sunset at 8:20 pm EDT.
Sunshine
In May, the average sunshine is 7.7h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 in May translates into these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Harrisville?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When are sunrise and sunset in May?
How many hours of sunshine does Harrisville have in May?
What is the UV index reading in May?
Average temperature in May
Harrisville, NH
- Average high temperature in May: 65.1°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in May: 45.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in May
Harrisville, NH
- Average pressure in May: 30"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
Harrisville, NH
- Average wind speed in May: 6.5mph
The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in May
Harrisville, NH
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in May
Harrisville, NH
- Average rainfall in May: 2.6"
The wettest month (with the highest rainfall) is October (3.39").
The driest month (with the least rainfall) is August (2.28").
Average rainfall days in May
Harrisville, NH
- Average rainfall days in May: 16 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (6 days).
Average snowfall in May
Harrisville, NH
- Average snowfall in May: 0.67"
The month with the highest snowfall is February (11.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Harrisville, NH
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is February (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Harrisville, 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: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in May
Harrisville, NH
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is March (12 days).
Average UV index in May
Harrisville, NH
- Average UV index in May: 5
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in May
Harrisville, NH
- Average cloud cover in May: 52
The months with the most cloud cover are February and March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Harrisville, 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).
Harrisville, New Hampshire, USA
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