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
A shift in the average high-temperature is noticeable in May, changing from a frosty 47.8°F (8.8°C) in April to a mild 58.3°F (14.6°C). Newcastle throughout May, records an average low-temperature of 45.1°F (7.3°C).Humidity
In Newcastle, the average relative humidity in May is 81%.Rainfall
In Newcastle, during May, the rain falls for 15.5 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, in Newcastle, there are 144.1 rainfall days, and 29.29" (744mm) of precipitation is accumulated.Snowfall
In Newcastle, snow does not fall in May through September.Daylight
In May, the average length of the day in Newcastle, Maine, is 14h and 46min.On the first day of the month, sunrise is at 5:28 am and sunset at 7:41 pm. On the last day of May, sunrise is at 4:58 am and sunset at 8:13 pm EDT.
Sunshine
The average sunshine in May is 8h.UV index
In May, the average daily maximum UV index in Newcastle is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the temperature in May in Newcastle?
What is the average humidity in May in Newcastle?
How much does it rain in Newcastle in May?
When it does not snow in Newcastle?
Does it snow in Newcastle in May?
How many hours of daylight does Newcastle have in May?
When are sunrise and sunset in May in Newcastle?
How many hours of sunshine does Newcastle have in May?
What is the UV index reading in May in Newcastle?
Average temperature in May
Newcastle, ME
- Average high temperature in May: 58.3°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is January (29.8°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 (18.9°F).
Average pressure in May
Newcastle, ME
- Average pressure in May: 29.99"Hg
The month with the highest atmospheric pressure is September (30.04"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Newcastle, ME
- Average wind speed in May: 8.5mph
The windiest month (with the highest average wind speed) is January (11.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Newcastle, ME
- Average humidity in May: 81%
The months with the highest relative humidity are June and July (83%).
The month with the lowest relative humidity is November (76%).
Average rainfall in May
Newcastle, ME
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is December (3.27").
The driest month (with the least rainfall) is July (1.57").
Average rainfall days in May
Newcastle, ME
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in May
Newcastle, ME
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Newcastle, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Newcastle, ME
- Average daylight in May: 14h and 5min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in May
Newcastle, ME
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is September (18.3 days).
The month with the least sunshine days is April (11.4 days).
Average UV index in May
Newcastle, ME
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Newcastle, ME
- Average cloud cover in May: 48
The months with the most cloud cover are February, March, April and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Newcastle, ME
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newcastle, Maine, USA
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