May weather forecast
West Lebanon, NH

Share

Weather in May

The last month of the spring, May, is a refreshing month in West Lebanon, New Hampshire, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 64.9°F (18.3°C).

Temperature

The arrival of May signals a clear increase in the average high-temperature, soaring from a fresh 50.5°F (10.3°C) in April to an enjoyable 64.9°F (18.3°C). During the month of May, an average temperature of 44.2°F (6.8°C) is noted during the nights.

Humidity

With an average relative humidity of 75%, May is the least humid month.

Rainfall

In West Lebanon, in May, during 16.2 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 28.46" (723mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, West Lebanon aggregates 0.31" (8mm) of snow. In West Lebanon, New Hampshire, during the entire year, snow falls for 68.9 days and aggregates up to 35.91" (912mm) of snow.

Daylight

In May, the average length of the day is 14h and 44min.
On the first day of the month, sunrise is at 5:40 am and sunset at 7:52 pm. On the last day of May, sunrise is at 5:10 am and sunset at 8:23 pm EDT.

Sunshine

In West Lebanon, the average sunshine in May is 8.2h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, a daily UV index of 5 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures?

The high-temperature, in May, in West Lebanon, records 64.9°F (18.3°C), while the low-temperature is 44.2°F (6.8°C).

What is the least humid month in West Lebanon?

With an average relative humidity of 75%, May is the least humid month.

What is the average humidity in May?

The average relative humidity in May is 75%.

How many days does it rain in May?

In West Lebanon, in May, it is raining for 16.2 days, with typically 2.32" (59mm) of accumulated precipitation.

What is the last month it snows?

May is the last month it regularly snows. During 0.4 snowfall days, in May, West Lebanon aggregates 0.31" (8mm) of snow.

What is the average length of the day in May?

The average day length in May is 14h and 44min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:40 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:10 am and sunset at 8:23 pm EDT.

How long on average sun shines in May?

The average sunshine duration in May is 8.2h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
West Lebanon, NH

Average temperature in May - West Lebanon, NH
  • Average high temperature in May: 64.9°F

The warmest month (with the highest average high temperature) is July (78.1°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 (56.7°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).

Average pressure in May
West Lebanon, NH

Average pressure in May - West Lebanon, 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
West Lebanon, NH

Average wind speed in May - West Lebanon, NH
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in May
West Lebanon, NH

Average humidity in May - West Lebanon, NH
  • Average humidity in May: 75%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (75%).

Average rainfall in May
West Lebanon, NH

Average rainfall in May - West Lebanon, NH
  • Average rainfall in May: 2.32"

The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in May
West Lebanon, NH

Average rainfall days in May - West Lebanon, NH
  • Average rainfall days in May: 16.2 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in May
West Lebanon, NH

Average snowfall in May - West Lebanon, NH
  • Average snowfall in May: 0.31"

The month with the highest snowfall is February (10.47").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
West Lebanon, NH

Average snowfall days in May - West Lebanon, NH
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
West Lebanon, NH

Average daylight in May / Average sunshine in May - West Lebanon, 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: 3h and 36min).

Average sunshine days in May
West Lebanon, NH

Average sunshine days in May - West Lebanon, NH
  • Average sunshine days in May: 12.4 days

The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is March (9.8 days).

Average UV index in May
West Lebanon, NH

Average UV index in May - West Lebanon, NH
  • Average UV index in May: 5

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in May
West Lebanon, NH

Average cloud cover in May - West Lebanon, NH
  • Average cloud cover in May: 49

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in May
West Lebanon, NH

Average visibility in May - West Lebanon, 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).

West Lebanon, New Hampshire, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location