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
May is characterized by a noticeable escalation in the average high-temperature, rising from a frosty 46°F (7.8°C) in April to an enjoyable 61.7°F (16.5°C). The temperature in Jefferson lowers to an average of 41.4°F (5.2°C) during May nights.Humidity
The least humid month in Jefferson is May, with an average relative humidity of 77%.Rainfall
In May, in Jefferson, the rain falls for 18.2 days. Throughout May, 2.8" (71mm) of precipitation is accumulated. In Jefferson, New Hampshire, during the entire year, the rain falls for 159.6 days and collects up to 31.97" (812mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Jefferson, New Hampshire. During 1.6 snowfall days, in May, Jefferson aggregates 1.65" (42mm) of snow. In Jefferson, during the entire year, snow falls for 109.1 days and aggregates up to 71.5" (1816mm) of snow.Daylight
In May, the average length of the day in Jefferson is 14h and 49min.On the first day of May, sunrise is at 5:35 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:04 am and sunset at 8:22 pm EDT.
Sunshine
In May, the average sunshine in Jefferson is 7.7h.UV index
The average daily maximum UV index in May in Jefferson is 4. 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, 4 in May, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What are May temperatures in Jefferson?
What is the least humid month in Jefferson?
What is the average humidity in May in Jefferson?
How much does it rain in Jefferson in May?
What is the last month it snows in Jefferson?
How many hours of daylight does Jefferson have in May?
When is the sunrise / sunset in May in Jefferson?
How many hours of sunshine does Jefferson have in May?
How high is the UV index in May in Jefferson?
Average temperature in May
Jefferson, NH
- Average high temperature in May: 61.7°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in May: 41.4°F
The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (9.1°F).
Average pressure in May
Jefferson, 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
Jefferson, NH
- Average wind speed in May: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in May
Jefferson, NH
- Average humidity in May: 77%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (77%).
Average rainfall in May
Jefferson, NH
- Average rainfall in May: 2.8"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in May
Jefferson, NH
- Average rainfall days in May: 18.2 days
The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in May
Jefferson, NH
- Average snowfall in May: 1.65"
The month with the highest snowfall is February (14.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Jefferson, NH
- Average snowfall days in May: 1.6 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Jefferson, NH
- Average daylight in May: 14h and 5min
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 4min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days in May
Jefferson, NH
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (7 days).
Average UV index in May
Jefferson, 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
Jefferson, NH
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in May
Jefferson, NH
- Average visibility in May: 5mi
The months with the highest visibility are May, June and July (5mi).
The months with the lowest visibility are January, February, March, April, August, September, October, November and December (4mi).
Jefferson, New Hampshire, USA
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