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
Westbrook in May experiences an increase in the average high-temperature, moving from April's frosty 49.3°F (9.6°C) to a refreshing 59°F (15°C). Westbrook's nighttime temperature during May is consistently averaged at a frosty 46.4°F (8°C).Humidity
The average relative humidity in May is 80%.Rainfall
In May, the rain falls for 12.4 days. Throughout May, 1.46" (37mm) of precipitation is accumulated. Throughout the year, there are 116.5 rainfall days, and 17.13" (435mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Westbrook aggregates 0.12" (3mm) of snow. Throughout the year, there are 30.1 snowfall days, and 12.24" (311mm) of snow is accumulated.Daylight
The average length of the day in May is 14h and 44min.On the first day of May, sunrise is at 5:32 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 8:15 pm EDT.
Sunshine
In May, the average sunshine is 8.3h.UV index
The average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, a daily UV index of 4 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
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 Westbrook have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index intensity in May?
Average temperature in May
Westbrook, ME
- Average high temperature in May: 59°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in May: 46.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in May
Westbrook, ME
- Average pressure in May: 29.99"Hg
The months with the highest atmospheric pressure are September and November (30.05"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Westbrook, ME
- Average wind speed in May: 8.2mph
The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in May
Westbrook, ME
- Average humidity in May: 80%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is November (75%).
Average rainfall in May
Westbrook, ME
- Average rainfall in May: 1.46"
The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (0.79").
Average rainfall days in May
Westbrook, ME
- Average rainfall days in May: 12.4 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is January (5 days).
Average snowfall in May
Westbrook, ME
- Average snowfall in May: 0.12"
The month with the highest snowfall is February (3.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Westbrook, ME
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Westbrook, ME
- 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in May
Westbrook, ME
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is July (15.3 days).
Average UV index in May
Westbrook, 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
Westbrook, ME
- Average cloud cover in May: 45
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Westbrook, 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).
Westbrook, Maine, USA
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