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
With the onset of May, Bristol sees a temperature rise, with the average high-temperature moving from April's fresh 50.5°F (10.3°C) to a comfortable 64.8°F (18.2°C). An average temperature of 43.5°F (6.4°C) is recorded in Bristol during the nights in May.Humidity
The average relative humidity in May is 76%.Rainfall
In Bristol, New Hampshire, in May, during 15.6 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 157.6 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.3 snowfall days, in May, Bristol aggregates 0.35" (9mm) of snow. Throughout the year, in Bristol, New Hampshire, there are 64.6 snowfall days, and 35.98" (914mm) of snow is accumulated.Daylight
In May, the average length of the day is 14h and 44min.On the first day of May, sunrise is at 5:38 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 5:08 am and sunset at 8:20 pm EDT.
Sunshine
The average sunshine in May is 8.1h.UV index
May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In May, the average maximum UV index of 5 translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
How many hours of daylight does Bristol have in May?
When is the sunrise / sunset in May in Bristol?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index intensity in May?
Average temperature in May
Bristol, NH
- Average high temperature in May: 64.8°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (25.7°F).
- Average low temperature in May: 43.5°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in May
Bristol, 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 (29.91"Hg).
Average wind speed in May
Bristol, NH
- Average wind speed in May: 5.9mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in May
Bristol, NH
- Average humidity in May: 76%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in May
Bristol, NH
- Average rainfall in May: 2.28"
The wettest month (with the highest rainfall) is October (3.15").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in May
Bristol, NH
- Average rainfall days in May: 15.6 days
The month with the highest number of rainy days is April (15.7 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in May
Bristol, NH
- Average snowfall in May: 0.35"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Bristol, NH
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bristol, NH
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in May: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in May
Bristol, NH
- Average sunshine days in May: 13 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (10.2 days).
Average UV index in May
Bristol, NH
- Average UV index in May: 5
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Bristol, NH
- Average cloud cover in May: 49
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 36).
Average visibility in May
Bristol, NH
- Average visibility in May: 5mi
The months with the highest visibility are April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are January, February, March and September (4mi).
Bristol, New Hampshire, USA
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