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
Londonderry's weather in May shows a rise in the average high-temperature, moving up from April's cool 50.5°F (10.3°C) to an enjoyable 64.4°F (18°C). May in Londonderry is noted for a mean low-temperature of 44.2°F (6.8°C).Humidity
The months with the lowest humidity in Londonderry are April and May, with an average relative humidity of 76%.Rainfall
In May, the rain falls for 14.6 days. Throughout May, 1.22" (31mm) of precipitation is accumulated. Throughout the year, in Londonderry, there are 133 rainfall days, and 12.95" (329mm) 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, Londonderry aggregates 0.28" (7mm) of snow. Throughout the year, in Londonderry, there are 62.9 snowfall days, and 18.11" (460mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 42min.On the first day of the month, sunrise is at 5:43 am and sunset at 7:53 pm. On the last day of May, in Londonderry, sunrise is at 5:14 am and sunset at 8:24 pm EDT.
Sunshine
The average sunshine in May in Londonderry, Vermont, is 8.2h.UV index
The months with the highest UV index in Londonderry are May through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a daily UV index of 5 turns into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Londonderry in May?
What is the least humid month in Londonderry?
What is the average humidity in May in Londonderry?
How many days does it rain in May in Londonderry?
What is the last month it snows in Londonderry?
What is the average length of the day in May in Londonderry?
What time are sunrise and sunset in May in Londonderry?
How long on average sun shines in May in Londonderry?
What is the month with the highest UV index in Londonderry?
How high is the UV index in May in Londonderry?
Average temperature in May
Londonderry, VT
- Average high temperature in May: 64.4°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in May: 44.2°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in May
Londonderry, VT
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Londonderry, VT
- Average wind speed in May: 6.4mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in May
Londonderry, VT
- Average humidity in May: 76%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in May
Londonderry, VT
- Average rainfall in May: 1.22"
The wettest months (with the highest rainfall) are April and October (1.26").
The driest month (with the least rainfall) is March (0.79").
Average rainfall days in May
Londonderry, VT
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is May (14.6 days).
The months with the least rainy days are January and February (7.3 days).
Average snowfall in May
Londonderry, VT
- Average snowfall in May: 0.28"
The month with the highest snowfall is February (4.02").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Londonderry, VT
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Londonderry, VT
- 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 0min).
- Average sunshine in May: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
Londonderry, VT
- Average sunshine days in May: 13.6 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in May
Londonderry, VT
- 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 February and December (UV index 1).
Average cloud cover in May
Londonderry, VT
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Londonderry, VT
- 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).
Londonderry, Vermont, USA
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